2025 Compare Climate & Weather:
Sullivan, MO vs St. James, MO

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Highlights

On average, there are 195 sunny days per year in St. James. Sullivan averages 200 sunny days per year. The US average is 205 sunny days.

St. James, Missouri gets 46.2 inches of rain, on average, per year. Sullivan, Missouri gets 45.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

St. James averages 11.6 inches of snow per year. Sullivan averages 12.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

St. James, Missouri
Summer High: the July high is around 88.4 degrees
Winter Low: the January low is 20.5
Rain: averages 46.2 inches of rain a year
Snow: averages 11.6 inches of snow a year

Sullivan, Missouri
Summer High: the July high is around 88.7 degrees
Winter Low: the January low is 19.3
Rain: averages 45.1 inches of rain a year
Snow: averages 12.8 inches of snow a year

BestPlaces Comfort Index

St. James

The annual BestPlaces Comfort Index for St. James is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

7.2 / 10

September, May and June are the most pleasant months in St. James, while January and December are the least comfortable months.

Sullivan

The annual BestPlaces Comfort Index for Sullivan is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

7.2 / 10

September, May and June are the most pleasant months in Sullivan, while January and December are the least comfortable months.

Average Monthly High / Low (°F)

Month	Sullivan, MO	St. James, MO
January	41° / 19°	41° / 21°
February	47° / 23°	46° / 24°
March	57° / 31°	56° / 33°
April	68° / 41°	67° / 43°
May	76° / 51°	76° / 52°
June	84° / 60°	83° / 62°
July	89° / 64°	88° / 66°
August	88° / 63°	88° / 64°
September	80° / 53°	79° / 56°
October	69° / 42°	68° / 44°
November	57° / 32°	56° / 34°
December	44° / 22°	43° / 23°

Hot, Freezing, Rainy, Snowy Days: Sullivan / St. James

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	27 / 26	7 / 8	2 / 2
February	0 / 0	22 / 22	7 / 8	2 / 3
March	0 / 0	17 / 15	9 / 11	1 / 1
April	0 / 0	7 / 5	10 / 11	0 / 0
May	1 / 1	1 / 0	11 / 13	0 / 0
June	5 / 4	0 / 0	9 / 11	0 / 0
July	13 / 13	0 / 0	8 / 10	0 / 0
August	12 / 12	0 / 0	7 / 8	0 / 0
September	3 / 3	0 / 0	7 / 8	0 / 0
October	0 / 0	6 / 4	8 / 9	0 / 0
November	0 / 0	16 / 13	8 / 10	0 / 1
December	0 / 0	25 / 24	8 / 9	2 / 2

July is the hottest month for Sullivan with an average high temperature of 88.7°, which ranks it as warmer than most places in Missouri. In Sullivan, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sullivan are May, September and June.

July is the hottest month for St. James with an average high temperature of 88.4°, which ranks it as about average compared to other places in Missouri. In St. James, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. James are September, May and June.

January has the coldest nighttime temperatures for Sullivan with an average of 19.3°. This is colder than most places in Missouri.

January has the coldest nighttime temperatures for St. James with an average of 20.5°. This is about average compared to other places in Missouri.

In Sullivan, there are 35.8 days annually when the high temperature is over 90°, which is hotter than most places in Missouri.

In St. James, there are 33.0 days annually when the high temperature is over 90°, which is about average compared to other places in Missouri.

In Sullivan, there are 119.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.

In St. James, there are 108.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.

In Sullivan, there are 4.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Missouri.

In St. James, there are 3.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Missouri.

May is the wettest month in Sullivan with 5.3 inches of rain, and the driest month is February with 2.5 inches. The wettest season is Summer with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 45.1 inches in Sullivan means that it is wetter than most places in Missouri.

May is the wettest month in St. James with 5.3 inches of rain, and the driest month is February with 2.3 inches. The wettest season is Summer with 29% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 46.2 inches in St. James means that it is wetter than most places in Missouri.

May is the rainiest month in Sullivan with 10.6 days of rain, and January is the driest month with only 6.8 rainy days. There are 97.8 rainy days annually in Sullivan, which is about average compared to other places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 22% chance of a rainy day.

May is the rainiest month in St. James with 12.6 days of rain, and September is the driest month with only 7.9 rainy days. There are 114.9 rainy days annually in St. James, which is one of the rainiest places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 22% chance of a rainy day.

An annual snowfall of 12.8 inches in Sullivan means that it is about average compared to other places in Missouri.

An annual snowfall of 11.6 inches in St. James means that it is less snowy than most places in Missouri.

December is the snowiest month in Sullivan with 4.0 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in St. James with 3.2 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Sullivan 2 Reviews

Jill · Sherman Oaks, CA

re:

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't More

| Reply

NC For Me · Apex, NC

re:

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but More

| Reply

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Reviews for St. James 2 Reviews

Jill · Sherman Oaks, CA

re:

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't More

| Reply

NC For Me · Apex, NC

re:

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but More

| Reply

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2025 Compare Climate & Weather:
Sullivan, MO vs St. James, MO

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sullivan / St. James

January has the coldest nighttime temperatures for Sullivan with an average of 19.3°. This is colder than most places in Missouri.

January has the coldest nighttime temperatures for St. James with an average of 20.5°. This is about average compared to other places in Missouri.

In Sullivan, there are 35.8 days annually when the high temperature is over 90°, which is hotter than most places in Missouri.

In St. James, there are 33.0 days annually when the high temperature is over 90°, which is about average compared to other places in Missouri.

In Sullivan, there are 119.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.

In St. James, there are 108.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.

In Sullivan, there are 4.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Missouri.

In St. James, there are 3.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Missouri.

An annual snowfall of 12.8 inches in Sullivan means that it is about average compared to other places in Missouri.

An annual snowfall of 11.6 inches in St. James means that it is less snowy than most places in Missouri.

December is the snowiest month in Sullivan with 4.0 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in St. James with 3.2 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Sullivan 2 Reviews

Reviews for St. James 2 Reviews

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2025 Compare Climate & Weather:Sullivan, MO vs St. James, MO

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sullivan / St. James

January has the coldest nighttime temperatures for Sullivan with an average of 19.3°. This is colder than most places in Missouri.January has the coldest nighttime temperatures for St. James with an average of 20.5°. This is about average compared to other places in Missouri.

In Sullivan, there are 35.8 days annually when the high temperature is over 90°, which is hotter than most places in Missouri.In St. James, there are 33.0 days annually when the high temperature is over 90°, which is about average compared to other places in Missouri.

In Sullivan, there are 119.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.In St. James, there are 108.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.

In Sullivan, there are 4.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Missouri.In St. James, there are 3.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Missouri.

An annual snowfall of 12.8 inches in Sullivan means that it is about average compared to other places in Missouri.An annual snowfall of 11.6 inches in St. James means that it is less snowy than most places in Missouri.

December is the snowiest month in Sullivan with 4.0 inches of snow, and 5 months of the year have significant snowfall.January is the snowiest month in St. James with 3.2 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Sullivan 2 Reviews

Reviews for St. James 2 Reviews

Most Recent Searches On Compare Climate & Weather

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Zips In Sullivan, Missouri

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2025 Compare Climate & Weather:
Sullivan, MO vs St. James, MO

January has the coldest nighttime temperatures for Sullivan with an average of 19.3°. This is colder than most places in Missouri.

January has the coldest nighttime temperatures for St. James with an average of 20.5°. This is about average compared to other places in Missouri.

In Sullivan, there are 35.8 days annually when the high temperature is over 90°, which is hotter than most places in Missouri.

In St. James, there are 33.0 days annually when the high temperature is over 90°, which is about average compared to other places in Missouri.

In Sullivan, there are 119.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.

In St. James, there are 108.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.

In Sullivan, there are 4.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Missouri.

In St. James, there are 3.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Missouri.

An annual snowfall of 12.8 inches in Sullivan means that it is about average compared to other places in Missouri.

An annual snowfall of 11.6 inches in St. James means that it is less snowy than most places in Missouri.

December is the snowiest month in Sullivan with 4.0 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in St. James with 3.2 inches of snow, and 5 months of the year have significant snowfall.