The best times to visit Glen for ideal weather are

mid July

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



Other Glen Travel Info

Weather in Glen


Average temperatures in Glen vary drastically. Considering humidity, temperatures feel cold all year with a chance of rain or snow throughout most of the year. The area is far less temperate than some — in the bottom 1 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 Glen, 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 56.1°F (13.4°C) with temperatures rarely dropping below 44.9°F (7.2°C) at night.

Glen Temperatures (Fahrenheit)


Glen 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.

Glen Perceived Temperature (F)


Glen Perceived Temperature (C)



Average Glen 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 13.9 5.7 -2.8
Feb 13.5 5.2 -3.1
Mar 21.7 13.7 6.5
Apr 32.2 25.1 18.9
May 44.3 37.9 32.2
Jun 50.7 44.9 39.9
Jul 55.3 49.5 44.4
Aug 54 48 42.2
Sep 49.6 43.7 37.6
Oct 37.8 31.9 26.2
Nov 29.5 22.7 15.6
Dec 22.4 14.4 6.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -10.1 -14.6 -19.3
Feb -10.3 -14.9 -19.5
Mar -5.7 -10.2 -14.2
Apr 0.1 -3.8 -7.3
May 6.8 3.3 0.1
Jun 10.4 7.2 4.4
Jul 12.9 9.7 6.9
Aug 12.2 8.9 5.7
Sep 9.8 6.5 3.1
Oct 3.2 -0.1 -3.2
Nov -1.4 -5.2 -9.1
Dec -5.3 -9.8 -14.3



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Glen are September, January, and then August. 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 2 days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid December with an average of 4 days of significant precipitation the week of December 10th.

When can you find snow in Glen? Weather stations report very large amounts of snow likely to be deepest around March, especially close to early March. The best time to ski (if at all) in Glen is often around around February 12th when fresh powder is deepest. 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 Glen.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 36% 11.7 4.4
Feb 38% 14.7 5.5
Mar 44% 17.9 6.2
Apr 47% 11.1 8
May 44% 2.8 7.1
Jun 48% 1.2 9.5
Jul 48% 0 9.1
Aug 38% 0 8.6
Sep 35% 1.2 7.2
Oct 44% 2.5 9.5
Nov 42% 3.7 6.7
Dec 57% 10 8.8

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 36 29.7 11.2
Feb 38 37.3 14
Mar 44 45.5 15.7
Apr 47 28.2 20.3
May 44 7.1 18
Jun 48 3 24.1
Jul 48 0 23.1
Aug 38 0 21.8
Sep 35 3 18.3
Oct 44 6.4 24.1
Nov 42 9.4 17
Dec 57 25.4 22.4


Humidity and Wind

Glen has some extremely humid months, and above average humidity throughout the year. The least humid month is November (69.6% relative humidity), and the most humid month is July (87.8%).

Wind in Glen is usually extremely strong. The windiest month is January, followed by February and December. January’s average wind speed of around 40.5 knots (46.6 MPH or 75 KPH) is considered “gale force winds.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early January where average top sustained speeds reach 61.2 knots, which is considered violent storm.

Relative Humidity (%)

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

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 40.5 Gale force winds 57.9 Violent storm
Feb 38.1 Gale force winds 55.8 Strong storm wind
Mar 36 Gale force winds 52.6 Violent storm
Apr 32.5 Moderate gale winds 48.6 Strong storm wind
May 26.4 Very strong breeze 39.9 Violent storm
Jun 23.8 Very strong breeze 36 Gale force winds
Jul 23.2 Very strong breeze 35.2 Violent storm
Aug 21.5 Strong breeze 33.5 Moderate gale winds
Sep 25.2 Very strong breeze 38.1 Violent storm
Oct 32.4 Moderate gale winds 46.7 Severe gale force winds
Nov 34.6 Gale force winds 49.4 Violent storm
Dec 37.9 Gale force winds 54.9 Strong storm wind

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 76.6%
Feb 75.6%
Mar 74.1%
Apr 74.6%
May 77.2%
Jun 84.5%
Jul 87.8%
Aug 85.3%
Sep 76.7%
Oct 79%
Nov 69.6%
Dec 76.8%


Is it Safe to Travel to Glen?

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 Glen, 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 Glen 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 Glen Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel very cold. Highs range from 49.3°F (9.6°C) and 15.9°F (-8.9°C) with far warmer temperatures in the later months. Rain is frequent with roughly 14 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 cold weather with high temperatures that are still jacket weather. These months see moderate precipitation with 12 to 15 days of precipitation per month. June – August is the busiest season for tourism in Glen, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 53.3°F (11.8°C) and 25.8°F (-3.4°C), which will feel very chilly given the humidity and wind. It rains or snows a good amount: 10 to 14 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 Glen to be enjoyable for warm weather travelers. The average high during this season is between 23.6°F (-4.7°C) and 10.3°F (-12.1°C). On average, it rains or snows a very great amount: 11 to 18 times per month. These times of year are the second busiest with tourists.


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