Expand
Contents
- The climate of Windham
- The best time to visit Windham
- The worst time to visit Windham
- Spring weather in Windham
- Summer weather in Windham
- Autumn weather in Windham
- Winter weather in Windham
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Windham
Geographical positioning and climatic classification play a significant role in Windham, New Hampshire, USA's overall weather scenario. According to the Köppen climate classification, Windham falls under the Dfb category, which suggests a humid continental climate, with no dry season and a warm summer.
Travelling across the calendar year, a close inspection of the weather parameters shows a significant variation. The high temperatures range from a chilling 32.2°F (0.1°C) in January to a warm 81.7°F (27.6°C) in July. Low temperatures, too, shift from 20.3°F (-6.5°C) in the icy days of January to 63°F (17.2°C) during the balmy nights of July. Humidity levels remain quite steady, hovering around 74 to 79%, creating a relatively moist environment for the citizens.
Rainfall distribution follows a somewhat arbitrary pattern, with December clocking in the maximum average rainfall of 2.87" (73mm) and September the least with 1.3" (33mm). On average, Windham experience between 7.6 to 15.9 days of rain per month, keeping the region well hydrated. However, the winter months from December to February and March to a lesser extent bring occasional snowfall. It peaks in February with an average of 5.87" (149mm), giving the town a picturesque, snow-clad look.
Travelling across the calendar year, a close inspection of the weather parameters shows a significant variation. The high temperatures range from a chilling 32.2°F (0.1°C) in January to a warm 81.7°F (27.6°C) in July. Low temperatures, too, shift from 20.3°F (-6.5°C) in the icy days of January to 63°F (17.2°C) during the balmy nights of July. Humidity levels remain quite steady, hovering around 74 to 79%, creating a relatively moist environment for the citizens.
Rainfall distribution follows a somewhat arbitrary pattern, with December clocking in the maximum average rainfall of 2.87" (73mm) and September the least with 1.3" (33mm). On average, Windham experience between 7.6 to 15.9 days of rain per month, keeping the region well hydrated. However, the winter months from December to February and March to a lesser extent bring occasional snowfall. It peaks in February with an average of 5.87" (149mm), giving the town a picturesque, snow-clad look.
The best time to visit Windham
Given the climate synopsis, the period from May to September can be considered as an optimal time to visit Windham. During these months, the city experiences pleasant high temperatures running from 66°F (18.9°C) to 81.7°F (27.6°C). Additionally, these months boast a considerable amount of daylight from 14.7 hours in May down to 12.5 hours in September. Combined with more sunshine hours, this period provides an ample opportunity for outdoor exploration and activities.
The worst time to visit Windham
Contrarily, January and February might prove to be challenging for visitors due to low temperatures and increased snowfall. High temperatures average between 32.2°F (0.1°C) to 34.9°F (1.6°C) and snowfall averages around 5.87" (149mm) in February. In addition to this, these months have the year's shortest daylight periods, with January seeing only 9.5 hours per day.
Spring weather in Windham
Spring in Windham spans from March to May, showcasing a gradual rise in temperature from 42.1°F (5.6°C) to 66°F (18.9°C). This period is characterized by a moderate level of rainfall, decreasing from 2.64" (67mm) in April to 1.97" (50mm) in May. The lengthening daylight from 12 hours in March to 14.7 hours in May ensures a bright and pleasant spring season.
Summer weather in Windham
Summer in Windham, from June through August, is typically warm with average high temperatures peaking in July at 81.7°F (27.6°C). The period also sees a slight drop in rainfall and an increased amount of daily sunshine, with 15.3 hours of daylight and 10.3 hours of sunshine in June. The region's relative humidity remains fairly consistent, contributing to the overall pleasantness of the season.
Autumn weather in Windham
Fall sees a cascade of changing temperatures from a comfortable 72.3°F (22.4°C) in September to a more crisp 48.2°F (9°C) come November. November also sees a slight resurgence in rainfall with 2.64" (67mm), adding a wet edge to the otherwise moderate weather. The drop in daylight hours from 12.5 to 9.8 hours supports the cooler atmosphere of the fall season.
Winter weather in Windham
Winter in Windham arrives in December and lasts until February. During this period, the temperatures drop drastically with high temperatures averaging between 37.9°F (3.3°C) to 34.9°F (1.6°C) from December to February. Moreover, snowfall begins in December, leading to an average of 8.5 days of snowfall in January. With only around 9 hours of daylight, the winter season in Windham could be categorized as long, cold, and typically cloudy, making it less ideal for outdoor activities.
Weather in January
Kicking off the year, January grapples with the hold of winter. The climate condition embraces a noticeable level of humidity, translating into frequent snowfall. The month receives 3.46" (88mm) of snow, accumulating over 8.5 days. Weather in January »
Weather in February
February brings forth minor relief to January's intense winter chill. Namely, the temperatures rise slightly, paving the way for more comfortable days, but do not quite escape the winter threshold. Notably, February observes an increase in snowfall with 5.87" (149mm) deposited over 7.7 days. Weather in February »
Weather in March
March, the first month of the spring in Windham, is also an icy month, with temperature in the range of an average low of 28.6°F (-1.9°C) and an average high of 42.1°F (5.6°C). March's arrival coincides with a marginal rise in the average high-temperature, moving from February's cold 34.9°F (1.6°C) to a still icy 42.1°F (5.6°C). Weather in March »
Weather in April
April is a fresh spring month in Windham, New Hampshire, with an average temperature ranging between max 54.7°F (12.6°C) and min 38.8°F (3.8°C). Observing a rise in April, the average high-temperature goes from March's wintry 42.1°F (5.6°C) to a fresh 54.7°F (12.6°C). Weather in April »
Weather in May
As the calendar flips to May, spring is fully underway. The tantalizing smell of blooming flowers fills the air, coupled with a heightened comfort in temperatures. This month is indeed a break from the snowfall, with precipitation reduced to only 0.16" (4mm) contained within 0.1 days. Weather in May »
Weather in June
June brings forth the zenith of spring coupled with the first glimpses of summer. The outdoor scenery buzzes with life and vibrancy, and any potential remnants of snow have effectively disappeared. Moreover, this month marks the first without any snowfall. Weather in June »
Weather in July
July witnesses the peak of the summer season. Mid-year, Windham enjoys a stretch of unarguably warm weather complemented by extended daylight hours. The highest annual temperature, 81.7°F (27.6°C), is recorded in July. Meanwhile, the generous sunshine maximizes outdoor activities, while the retained mildness in wind conditions adds a refreshing balance to the increasing heat. Weather in July »
Weather in August
Despite the advent of August, the consistently warm trend continues unabated. The transition to a slightly more tolerable weather range is seen, though summer remains in full-swing. Regardless, August does not push the envelope much further than July, and the temperature is a close contender for the year's annual highest at 79.9°F (26.6°C). Weather in August »
Weather in September
September signifies the arrival of the late-summer to early-fall transitory phase. It heralds the gradual reduction of heat, though the weather still remains comfortably warm for the most part. In contrast to the preceding months, September offers no precipitation, marking the first month devoid of rainfall. Weather in September »
Weather in October
October encapsulates the heart of the fall season. The dropping temperatures deem it a joyful period for admirers of mild weather. However, the tenacity of Windham's climate is demonstrated with a minimal snowfall of 0.08" (2mm) occurring over 0.1 days. Weather in October »
Weather in November
November undeniably hints at the conclusion of fall, leading into the initial stages of winter. A coolness persistently lingers in the air, pointing towards the upcoming cold stretch. The snowfall from October carries forward to November, though in a minimal quantity of 0.91" (23mm) spread over 1.7 days. Weather in November »
Weather in December
Closing the year, December unabashedly ushers in the winter season. The cold is now an everyday reality, turning landscapes into beautiful frosted masterpieces. With December, the dominant snowfall returns, having accumulated 4.49" (114mm) over 5.3 days. Weather in December »
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
January, noted for its average high-temperature of 32.2°F (0.1°C) and an average low-temperature of 20.3°F (-6.5°C), is considered the coldest month.
How many days does it rain?
In Windham, during the entire year, the rain falls for 144 days and collects up to 26.97" (685mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
In Windham, during the entire year, snow falls for 31.9 days and aggregates up to 20.94" (532mm) of snow.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
February is the most humid month, with an average relative humidity of 79%.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 7.7 days and typically aggregates up to 5.87" (149mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.7h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Windham, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month?
April is the least humid month, with an average relative humidity of 71%.
When it does not snow?
In Windham, snow does not fall in June through September.
When are the longest days in Windham?
June has the longest days of the year, with an average of 15h and 18min of daylight.
What is the month with the highest UV index in Windham?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What time of the year is the hottest?
Windham notes the warmest temperatures in July, with a average high of 81.7°F (27.6°C) and a low of 63°F (17.2°C).
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.6h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 10.6 days and typically collects 1.3" (33mm) of precipitation.
What is the rainiest month?
December is the month with the most rainfall. Rain falls for 10.6 days and accumulates 2.87" (73mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Windham, NH
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.2°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure
Windham, NH
- Average pressure in January:
30"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Windham, NH
- Average wind speed in January:
9.2mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7.4mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Windham, NH
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Windham, NH
- Average rainfall in January:
2.17" - Average rainfall in February:
2.13" - Average rainfall in March:
2.56" - Average rainfall in April:
2.64" - Average rainfall in May:
1.97" - Average rainfall in June:
2.2"
- Average rainfall in July:
1.97" - Average rainfall in August:
1.69" - Average rainfall in September:
1.3" - Average rainfall in October:
2.83" - Average rainfall in November:
2.64" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days
Windham, NH
- Average rainfall days in January:
7.6 days - Average rainfall days in February:
7.6 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
14.4 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is May (15.9 days).
The months with the least rainy days are January and February (7.6 days).
Average snowfall
Windham, NH
- Average snowfall in January:
3.46" - Average snowfall in February:
5.87" - Average snowfall in March:
4.29" - Average snowfall in April:
1.69" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Windham, NH
- Average snowfall days in January:
8.5 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
7.1 days - Average snowfall days in April:
1.4 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
5.3 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Windham, NH
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Windham, NH
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
16.5 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is May (13.5 days).
Average UV index
Windham, NH
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Windham, NH
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Windham, NH
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Windham, New Hampshire, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location