2025 Compare Climate & Weather:
Islip, NY vs Wahpeton, ND

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Highlights

On average, there are 197 sunny days per year in Wahpeton. Islip averages 206 sunny days per year. The US average is 205 sunny days.

Wahpeton, North Dakota gets 23.8 inches of rain, on average, per year. Islip, New York gets 46.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Wahpeton averages 35.5 inches of snow per year. Islip averages 26.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Wahpeton, North Dakota
Summer High: the July high is around 83.1 degrees
Winter Low: the January low is -0.2
Rain: averages 23.8 inches of rain a year
Snow: averages 35.5 inches of snow a year

Islip, New York
Summer High: the July high is around 82.4 degrees
Winter Low: the January low is 23.4
Rain: averages 46.9 inches of rain a year
Snow: averages 26.7 inches of snow a year

BestPlaces Comfort Index

Wahpeton

The annual BestPlaces Comfort Index for Wahpeton is 6.5 (10=best), which means it is more comfortable than most places in North Dakota.

6.5 / 10

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

Islip

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

7.2 / 10

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

Average Monthly High / Low (°F)

Month	Islip, NY	Wahpeton, ND
January	38° / 23°	20° / 0°
February	41° / 25°	25° / 5°
March	48° / 31°	37° / 19°
April	59° / 40°	56° / 33°
May	69° / 50°	70° / 46°
June	78° / 60°	78° / 56°
July	82° / 66°	83° / 60°
August	81° / 65°	82° / 58°
September	74° / 58°	72° / 48°
October	63° / 46°	57° / 35°
November	54° / 38°	39° / 21°
December	43° / 29°	23° / 6°

Hot, Freezing, Rainy, Snowy Days: Islip / Wahpeton

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	25 / 31	10 / 6	3 / 5
February	0 / 0	23 / 28	9 / 4	3 / 3
March	0 / 0	16 / 28	10 / 6	2 / 4
April	0 / 0	3 / 14	11 / 7	0 / 1
May	0 / 1	0 / 1	10 / 9	0 / 0
June	1 / 2	0 / 0	10 / 10	0 / 0
July	3 / 5	0 / 0	9 / 10	0 / 0
August	1 / 4	0 / 0	8 / 9	0 / 0
September	0 / 1	0 / 1	8 / 8	0 / 0
October	0 / 0	1 / 12	8 / 7	0 / 0
November	0 / 0	8 / 26	10 / 6	0 / 4
December	0 / 0	21 / 31	10 / 5	2 / 4

July is the hottest month for Islip with an average high temperature of 82.4°, which ranks it as warmer than most places in New York. In Islip, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Islip are June, August and September.

July is the hottest month for Wahpeton with an average high temperature of 83.1°, which ranks it as warmer than most places in North Dakota. In Wahpeton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wahpeton are June, August and July.

January has the coldest nighttime temperatures for Islip with an average of 23.4°. This is warmer than most places in New York.

January has the coldest nighttime temperatures for Wahpeton with an average of -0.2°. This is about average compared to other places in North Dakota.

In Islip, there are 5.9 days annually when the high temperature is over 90°, which is about average compared to other places in New York.

In Wahpeton, there are 12.3 days annually when the high temperature is over 90°, which is about average compared to other places in North Dakota.

In Islip, there are 96.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New York.

In Wahpeton, there are 171.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in North Dakota.

In Islip, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New York.

In Wahpeton, there are 41.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in North Dakota.

April is the wettest month in Islip with 4.5 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Summer with 27% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 46.9 inches in Islip means that it is wetter than most places in New York.

June is the wettest month in Wahpeton with 3.6 inches of rain, and the driest month is February with 0.5 inches. The wettest season is Autumn with 41% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 23.8 inches in Wahpeton means that it is one of the wettest places in North Dakota.

April is the rainiest month in Islip with 10.7 days of rain, and August is the driest month with only 7.9 rainy days. There are 111.7 rainy days annually in Islip, which is one of the least rainy places in New York. 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.

June is the rainiest month in Wahpeton with 10.3 days of rain, and February is the driest month with only 4.4 rainy days. There are 87.4 rainy days annually in Wahpeton, which is rainier than most places in North Dakota. The rainiest season is Autumn when it rains 33% of the time and the driest is Spring with only a 17% chance of a rainy day.

An annual snowfall of 26.7 inches in Islip means that it is less snowy than most places in New York.

An annual snowfall of 35.5 inches in Wahpeton means that it is less snowy than most places in North Dakota.

February is the snowiest month in Islip with 8.0 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Wahpeton with 8.4 inches of snow, and 7 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 Islip 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 Wahpeton 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:
Islip, NY vs Wahpeton, ND

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Islip / Wahpeton

January has the coldest nighttime temperatures for Islip with an average of 23.4°. This is warmer than most places in New York.

January has the coldest nighttime temperatures for Wahpeton with an average of -0.2°. This is about average compared to other places in North Dakota.

In Islip, there are 5.9 days annually when the high temperature is over 90°, which is about average compared to other places in New York.

In Wahpeton, there are 12.3 days annually when the high temperature is over 90°, which is about average compared to other places in North Dakota.

In Islip, there are 96.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New York.

In Wahpeton, there are 171.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in North Dakota.

In Islip, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New York.

In Wahpeton, there are 41.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in North Dakota.

An annual snowfall of 26.7 inches in Islip means that it is less snowy than most places in New York.

An annual snowfall of 35.5 inches in Wahpeton means that it is less snowy than most places in North Dakota.

February is the snowiest month in Islip with 8.0 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Wahpeton with 8.4 inches of snow, and 7 months of the year have significant snowfall.

DID YOU KNOW?

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Reviews for Wahpeton 2 Reviews

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2025 Compare Climate & Weather:Islip, NY vs Wahpeton, ND

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Islip / Wahpeton

January has the coldest nighttime temperatures for Islip with an average of 23.4°. This is warmer than most places in New York.January has the coldest nighttime temperatures for Wahpeton with an average of -0.2°. This is about average compared to other places in North Dakota.

In Islip, there are 5.9 days annually when the high temperature is over 90°, which is about average compared to other places in New York.In Wahpeton, there are 12.3 days annually when the high temperature is over 90°, which is about average compared to other places in North Dakota.

In Islip, there are 96.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New York.In Wahpeton, there are 171.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in North Dakota.

In Islip, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New York.In Wahpeton, there are 41.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in North Dakota.

An annual snowfall of 26.7 inches in Islip means that it is less snowy than most places in New York.An annual snowfall of 35.5 inches in Wahpeton means that it is less snowy than most places in North Dakota.

February is the snowiest month in Islip with 8.0 inches of snow, and 6 months of the year have significant snowfall.January is the snowiest month in Wahpeton with 8.4 inches of snow, and 7 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Islip 2 Reviews

Reviews for Wahpeton 2 Reviews

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Zips In WAHPETON, NORTH DAKOTA

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2025 Compare Climate & Weather:
Islip, NY vs Wahpeton, ND

January has the coldest nighttime temperatures for Islip with an average of 23.4°. This is warmer than most places in New York.

January has the coldest nighttime temperatures for Wahpeton with an average of -0.2°. This is about average compared to other places in North Dakota.

In Islip, there are 5.9 days annually when the high temperature is over 90°, which is about average compared to other places in New York.

In Wahpeton, there are 12.3 days annually when the high temperature is over 90°, which is about average compared to other places in North Dakota.

In Islip, there are 96.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New York.

In Wahpeton, there are 171.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in North Dakota.

In Islip, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New York.

In Wahpeton, there are 41.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in North Dakota.

An annual snowfall of 26.7 inches in Islip means that it is less snowy than most places in New York.

An annual snowfall of 35.5 inches in Wahpeton means that it is less snowy than most places in North Dakota.

February is the snowiest month in Islip with 8.0 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Wahpeton with 8.4 inches of snow, and 7 months of the year have significant snowfall.