The best times to visit West Chesterfield for ideal weather are

May 21st to September 30th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other West Chesterfield Travel Info

Weather in West Chesterfield


Average temperatures in West Chesterfield vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 38th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit West Chesterfield, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 83.1°F (28.4°C) with temperatures rarely dropping below 60.8°F (16°C) at night.

West Chesterfield Temperatures (Fahrenheit)


West Chesterfield Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

West Chesterfield Perceived Temperature (F)


West Chesterfield Perceived Temperature (C)



Average West Chesterfield Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 31.8 22 13.1
Feb 33 23 13.4
Mar 43.7 33 23.7
Apr 58.2 45.5 34.2
May 70.7 57.7 45.8
Jun 76.1 64.4 54.7
Jul 81.8 70 60
Aug 79.8 67.3 57.1
Sep 72.9 60.4 50.6
Oct 60.6 49.3 40.2
Nov 49 38.3 29.5
Dec 37.8 29.4 21.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -0.1 -5.6 -10.5
Feb 0.6 -5 -10.3
Mar 6.5 0.6 -4.6
Apr 14.6 7.5 1.2
May 21.5 14.3 7.7
Jun 24.5 18 12.6
Jul 27.7 21.1 15.6
Aug 26.6 19.6 13.9
Sep 22.7 15.8 10.3
Oct 15.9 9.6 4.6
Nov 9.4 3.5 -1.4
Dec 3.2 -1.4 -5.7



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in West Chesterfield are January, August, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January. For example, on the week of January 22nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early October with an average of 2 days of significant precipitation the week of October 1st.

When can you find snow in West Chesterfield? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in West Chesterfield.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in West Chesterfield (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 10% 0 1.3
Feb 13% 0 1.8
Mar 15% 0 3
Apr 16% 0 1.9
May 14% 0 1.9
Jun 19% 0 3
Jul 21% 0 5.1
Aug 12% 0 2.3
Sep 15% 0 2.7
Oct 18% 0 3.9
Nov 14% 0 1.8
Dec 17% 0 2.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 10 0 3.3
Feb 13 0 4.6
Mar 15 0 7.6
Apr 16 0 4.8
May 14 0 4.8
Jun 19 0 7.6
Jul 21 0 13
Aug 12 0 5.8
Sep 15 0 6.9
Oct 18 0 9.9
Nov 14 0 4.6
Dec 17 0 5.3


Humidity and Wind

West Chesterfield has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (47.9% relative humidity), and the most humid month is September (64.2%).

Wind in West Chesterfield is usually extremely calm. The windiest month is March, followed by April and February. March’s average wind speed of around 4.7 knots (5.5 MPH or 8.8 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late March where average top sustained speeds reach 14.7 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in West Chesterfield.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 3.8 Barely noticeable 11.3 Significant breeze
Feb 4.1 Light breeze 12.1 Significant breeze
Mar 4.7 Light breeze 13.1 Significant breeze
Apr 4.7 Light breeze 13.4 Significant breeze
May 4 Light breeze 12.3 Significant breeze
Jun 3.3 Barely noticeable 10.7 Gentle breeze
Jul 3.1 Barely noticeable 10.9 Significant breeze
Aug 2.7 Barely noticeable 10.3 Gentle breeze
Sep 2.8 Barely noticeable 10.1 Significant breeze
Oct 3.3 Barely noticeable 10.9 Gentle breeze
Nov 3.6 Barely noticeable 11.2 Significant breeze
Dec 3.7 Barely noticeable 10.6 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 57.3%
Feb 53%
Mar 49.6%
Apr 47.9%
May 52.7%
Jun 61.9%
Jul 61.8%
Aug 61.7%
Sep 64.2%
Oct 62.3%
Nov 57.2%
Dec 62.2%


Is it Safe to Travel to West Chesterfield?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in West Chesterfield, NH, US is June, followed by August and September. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit West Chesterfield in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 56.3 in November means 56.3% of the tourists vs. June.



Overall West Chesterfield Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 75.7°F (24.3°C) and 35.2°F (1.8°C) with far warmer temperatures in the later months. Rain is somewhat common with 4 to 5 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 4 to 7 days of precipitation per month. June – August is the busiest season for tourism in West Chesterfield, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 78°F (25.6°C) and 43.9°F (6.6°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 6 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in West Chesterfield to be enjoyable for warm weather travelers. The average high during this season is between 39.6°F (4.2°C) and 28.7°F (-1.8°C). On average, it rains or snows a fair amount: 3 to 5 times per month. These times of year are the second busiest with tourists.


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