The best times to visit Hanover 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 Hanover Travel Info

Weather in Hanover


Average temperatures in Hanover vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 21st 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 Hanover, 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 84.9°F (29.4°C) with temperatures rarely dropping below 59.5°F (15.3°C) at night.

Hanover Temperatures (Fahrenheit)


Hanover 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.

Hanover Perceived Temperature (F)


Hanover Perceived Temperature (C)



Average Hanover 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 30.8 20.7 10.2
Feb 32.9 21.9 11.2
Mar 44 32.1 21.2
Apr 59.1 45.5 33.4
May 72.8 58.2 44.6
Jun 77.9 64.8 53.4
Jul 83.4 70.1 58.5
Aug 81.5 67.7 56.5
Sep 74.4 60.6 49.8
Oct 61 48.8 38.9
Nov 48.8 37.5 28.3
Dec 37 28.5 20.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -0.7 -6.3 -12.1
Feb 0.5 -5.6 -11.6
Mar 6.7 0.1 -6
Apr 15.1 7.5 0.8
May 22.7 14.6 7
Jun 25.5 18.2 11.9
Jul 28.6 21.2 14.7
Aug 27.5 19.8 13.6
Sep 23.6 15.9 9.9
Oct 16.1 9.3 3.8
Nov 9.3 3.1 -2.1
Dec 2.8 -1.9 -6.6



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Hanover are January, November, 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 is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid June with an average of 3 days of significant precipitation the week of June 11th.

When can you find snow in Hanover? 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 Hanover.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 18% 0 2.1
Feb 19% 0 2.2
Mar 19% 0 2.6
Apr 22% 0 3
May 25% 0 3.5
Jun 34% 0 4.6
Jul 31% 0 5.4
Aug 21% 0 3.7
Sep 21% 0 3.4
Oct 26% 0 4.8
Nov 19% 0 2.3
Dec 30% 0 3.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 18 0 5.3
Feb 19 0 5.6
Mar 19 0 6.6
Apr 22 0 7.6
May 25 0 8.9
Jun 34 0 11.7
Jul 31 0 13.7
Aug 21 0 9.4
Sep 21 0 8.6
Oct 26 0 12.2
Nov 19 0 5.8
Dec 30 0 9.1


Humidity and Wind

Hanover has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (46.3% relative humidity), and the most humid month is September (67.7%).

Wind in Hanover is usually extremely calm. The windiest month is April, followed by March and February. April’s average wind speed of around 4.7 knots (5.4 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 early April where average top sustained speeds reach 12.7 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 10.5 Gentle breeze
Feb 4.1 Light breeze 11 Significant breeze
Mar 4.6 Light breeze 11.9 Gentle breeze
Apr 4.7 Light breeze 12.3 Significant breeze
May 3.9 Barely noticeable 10.9 Gentle breeze
Jun 3.2 Barely noticeable 9.6 Gentle breeze
Jul 3.1 Barely noticeable 9.8 Gentle breeze
Aug 2.7 Barely noticeable 9.1 Gentle breeze
Sep 2.9 Barely noticeable 9.1 Gentle breeze
Oct 3.2 Barely noticeable 9.7 Gentle breeze
Nov 3.6 Barely noticeable 9.9 Gentle breeze
Dec 3.5 Barely noticeable 9.7 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 55.6%
Feb 51.4%
Mar 48.6%
Apr 46.3%
May 51.3%
Jun 62.1%
Jul 64.4%
Aug 65.6%
Sep 67.7%
Oct 65.4%
Nov 59.5%
Dec 64.2%


Is it Safe to Travel to Hanover?

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 Hanover, 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 Hanover 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 Hanover Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 77°F (25°C) and 35.1°F (1.7°C) with far warmer temperatures in the later months. Rain is somewhat common with 6 to 8 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 7 to 10 days of precipitation per month. June – August is the busiest season for tourism in Hanover, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 79.5°F (26.4°C) and 42.2°F (5.7°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 8 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 Hanover to be enjoyable for warm weather travelers. The average high during this season is between 38.6°F (3.7°C) and 28°F (-2.2°C). On average, it rains or snows a fair amount: 5 to 9 times per month. These times of year are the second busiest with tourists.


Best Times to Travelthe United States › Hanover, NH, US