2025 Compare Climate & Weather:
Greenville, CA vs Harrisburg, PA

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Highlights

On average, there are 193 sunny days per year in Harrisburg. Greenville averages 245 sunny days per year. The US average is 205 sunny days.

Harrisburg, Pennsylvania gets 41.8 inches of rain, on average, per year. Greenville, California gets 49.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Harrisburg averages 25.8 inches of snow per year. Greenville averages 71.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Harrisburg, Pennsylvania
Summer High: the July high is around 85.1 degrees
Winter Low: the January low is 22.4
Rain: averages 41.8 inches of rain a year
Snow: averages 25.8 inches of snow a year

Greenville, California
Summer High: the July high is around 87.8 degrees
Winter Low: the January low is 24.9
Rain: averages 49.5 inches of rain a year
Snow: averages 71.1 inches of snow a year

BestPlaces Comfort Index

Harrisburg

The annual BestPlaces Comfort Index for Harrisburg is 7.2 (10=best), which means it is one of the most pleasant places in Pennsylvania.

7.2 / 10

June, September and August are the most pleasant months in Harrisburg, while January and February are the least comfortable months.

Greenville

The annual BestPlaces Comfort Index for Greenville is 7.0 (10=best), which means it is one of the least comfortable places in California.

7 / 10

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

Average Monthly High / Low (°F)

Month	Greenville, CA	Harrisburg, PA
January	43° / 25°	37° / 22°
February	48° / 27°	41° / 24°
March	55° / 30°	50° / 32°
April	61° / 33°	62° / 41°
May	71° / 40°	72° / 51°
June	79° / 45°	81° / 61°
July	88° / 50°	85° / 65°
August	87° / 48°	83° / 64°
September	80° / 42°	75° / 56°
October	67° / 35°	64° / 44°
November	52° / 30°	53° / 35°
December	42° / 25°	41° / 27°

Hot, Freezing, Rainy, Snowy Days: Greenville / Harrisburg

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	26 / 27	10 / 10	4 / 5
February	0 / 0	21 / 23	9 / 9	4 / 4
March	0 / 0	20 / 16	9 / 10	3 / 2
April	0 / 0	13 / 3	7 / 12	2 / 1
May	1 / 1	4 / 0	5 / 13	0 / 0
June	4 / 3	1 / 0	3 / 11	0 / 0
July	12 / 6	0 / 0	1 / 11	0 / 0
August	10 / 4	0 / 0	1 / 10	0 / 0
September	4 / 1	2 / 0	2 / 9	0 / 0
October	0 / 0	10 / 2	5 / 9	0 / 0
November	0 / 0	19 / 11	9 / 10	2 / 1
December	0 / 0	25 / 24	10 / 10	4 / 3

July is the hottest month for Greenville with an average high temperature of 87.8°, which ranks it as about average compared to other places in California. In Greenville, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Greenville are June, September and May.

July is the hottest month for Harrisburg with an average high temperature of 85.1°, which ranks it as warmer than most places in Pennsylvania. In Harrisburg, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Harrisburg are September, June and August.

January has the coldest nighttime temperatures for Greenville with an average of 24.9°. This is one of the coldest places in California.

January has the coldest nighttime temperatures for Harrisburg with an average of 22.4°. This is one of the warmest places in Pennsylvania.

In Greenville, there are 31.0 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Harrisburg, there are 13.8 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Greenville, there are 139.2 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in California.

In Harrisburg, there are 105.1 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Pennsylvania.

In Greenville, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in California.

In Harrisburg, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

December is the wettest month in Greenville with 9.1 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 51% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 49.5 inches in Greenville means that it is one of the wettest places in California.

July is the wettest month in Harrisburg with 4.2 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Autumn with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 41.8 inches in Harrisburg means that it is drier than most places in Pennsylvania.

December is the rainiest month in Greenville with 10.1 days of rain, and July is the driest month with only 0.9 rainy days. There are 71.2 rainy days annually in Greenville, which is rainier than most places in California. The rainiest season is Spring when it rains 41% of the time and the driest is Autumn with only a 6% chance of a rainy day.

May is the rainiest month in Harrisburg with 12.6 days of rain, and September is the driest month with only 8.9 rainy days. There are 122.4 rainy days annually in Harrisburg, which is less rainy than most places in Pennsylvania. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 71.1 inches in Greenville means that it is one of the snowiest places in California.

An annual snowfall of 25.8 inches in Harrisburg means that it is less snowy than most places in Pennsylvania.

January is the snowiest month in Greenville with 18.2 inches of snow, and 7 months of the year have significant snowfall.

February is the snowiest month in Harrisburg with 8.3 inches of snow, and 6 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 Greenville 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 Harrisburg 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:
Greenville, CA vs Harrisburg, PA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Greenville / Harrisburg

January has the coldest nighttime temperatures for Greenville with an average of 24.9°. This is one of the coldest places in California.

January has the coldest nighttime temperatures for Harrisburg with an average of 22.4°. This is one of the warmest places in Pennsylvania.

In Greenville, there are 31.0 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Harrisburg, there are 13.8 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Greenville, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in California.

In Harrisburg, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

An annual snowfall of 71.1 inches in Greenville means that it is one of the snowiest places in California.

An annual snowfall of 25.8 inches in Harrisburg means that it is less snowy than most places in Pennsylvania.

January is the snowiest month in Greenville with 18.2 inches of snow, and 7 months of the year have significant snowfall.

February is the snowiest month in Harrisburg with 8.3 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

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Reviews for Harrisburg 2 Reviews

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2025 Compare Climate & Weather:Greenville, CA vs Harrisburg, PA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Greenville / Harrisburg

January has the coldest nighttime temperatures for Greenville with an average of 24.9°. This is one of the coldest places in California.January has the coldest nighttime temperatures for Harrisburg with an average of 22.4°. This is one of the warmest places in Pennsylvania.

In Greenville, there are 31.0 days annually when the high temperature is over 90°, which is cooler than most places in California.In Harrisburg, there are 13.8 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Greenville, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in California.In Harrisburg, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

An annual snowfall of 71.1 inches in Greenville means that it is one of the snowiest places in California.An annual snowfall of 25.8 inches in Harrisburg means that it is less snowy than most places in Pennsylvania.

January is the snowiest month in Greenville with 18.2 inches of snow, and 7 months of the year have significant snowfall.February is the snowiest month in Harrisburg with 8.3 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

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Reviews for Harrisburg 2 Reviews

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2025 Compare Climate & Weather:
Greenville, CA vs Harrisburg, PA

January has the coldest nighttime temperatures for Greenville with an average of 24.9°. This is one of the coldest places in California.

January has the coldest nighttime temperatures for Harrisburg with an average of 22.4°. This is one of the warmest places in Pennsylvania.

In Greenville, there are 31.0 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Harrisburg, there are 13.8 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Greenville, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in California.

In Harrisburg, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

An annual snowfall of 71.1 inches in Greenville means that it is one of the snowiest places in California.

An annual snowfall of 25.8 inches in Harrisburg means that it is less snowy than most places in Pennsylvania.

January is the snowiest month in Greenville with 18.2 inches of snow, and 7 months of the year have significant snowfall.

February is the snowiest month in Harrisburg with 8.3 inches of snow, and 6 months of the year have significant snowfall.