Zip 03801 (Portsmouth, NH) Climate

The climate in 03801 Portsmouth, NH is generally mild year-round with distinct seasons. Summers are warm and humid, while winters are cold and snowy with temperatures typically ranging from the mid-20s to low 30s. Spring and fall offer pleasant weather with moderate temperatures. Annual precipitation averages about 45 inches per year with most of it occurring during the winter months. Overall, the area experiences a temperate climate that is perfect for outdoor activities throughout the year.

Portsmouth (zip 03801), New Hampshire gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Portsmouth (zip 03801) averages 53 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 200 sunny days per year in Portsmouth (zip 03801). The US average is 205 sunny days.

Portsmouth (zip 03801) gets some kind of precipitation, on average, 118 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 82 degrees
Winter Low: the January low is 14
Rain: averages 50 inches of rain a year
Snow: averages 53 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 03801 zip code is 6.8 (10=best), which means it is one of the most pleasant places in New Hampshire.

9.2 Summer - 4.6 Winter

August, July and June are the most pleasant months in the 03801 zip code, while January and December are the least comfortable months.

Climate	Portsmouth, New Hampshire	United States
	Unlock	38.1 in.
	53.2 in.	Unlock
	Unlock	106.2 days
	200 days	Unlock
	81.9°	85.8°
	Unlock	21.7°
	6.8	Unlock
	Unlock	4.3
	46 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for the 03801 zip code with an average high temperature of 81.9°, which ranks it as warmer than most places in New Hampshire. In the 03801 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 03801 zip code are June, August and July.

In the 03801 zip code, there are 8.0 days annually when the high temperature is over 90°, which is hotter than most places in New Hampshire.

January has the coldest nighttime temperatures for the 03801 zip code with an average of 13.8°. This is one of the warmest places in New Hampshire.

In the 03801 zip code, there are 149.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New Hampshire.

In the 03801 zip code, there are 7.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New Hampshire.

Humidity in the 03801 zip code is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and June.

November is the wettest month in the 03801 zip code with 4.8 inches of rain, and the driest month is January with 3.5 inches. The wettest season is Summer with 28% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 50.1 inches in the 03801 zip code means that it is one of the wettest places in New Hampshire.

May is the rainiest month in the 03801 zip code with 11.4 days of rain, and February is the driest month with only 7.7 rainy days. There are 118.3 rainy days annually in the 03801 zip code, which is one of the least rainy places in New Hampshire. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 53.2 inches in the 03801 zip code means that it is one of the least snowy places in New Hampshire. January is the snowiest month in the 03801 zip code with 16.7 inches of snow, and 6 months of the year have significant snowfall.

Reviews for Portsmouth

See all ()

Write a Review

Start Your Review of Portsmouth

Jobs

The premier source for comprehensive city data for over 30 years.