July weather forecast
Windham, NH

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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. Despite the soaring temperatures, rainfall is within manageable limits, allowing for uninterrupted enjoyment of the season.

Temperature

In Windham, July records the highest average temperatures, peaking at 81.7°F (27.6°C) and reaching a low of 63°F (17.2°C).

Heat index

During July, the heat index is calculated to be a hot 86°F (30°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

The average relative humidity in July in Windham is 74%.

Rainfall

In Windham, in July, during 14.4 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, in Windham, there are 144 rainfall days, and 26.97" (685mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in July in Windham is 14h and 58min.
On the first day of the month, sunrise is at 5:11 am and sunset at 8:27 pm. On the last day of July, sunrise is at 5:36 am and sunset at 8:06 pm EDT.

Sunshine

The average sunshine in July in Windham, New Hampshire, is 10.3h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Windham. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 6 during July translates into the following directions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What is the hottest time of year in Windham?

Windham's temperatures tend to reach their peak averages in July, with a high of 81.7°F (27.6°C) and a low of 63°F (17.2°C).

What is the usual temperature for Windham in July?

The high-temperature, in July, in Windham, records 81.7°F (27.6°C), while the low-temperature is 63°F (17.2°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 86°F (30°C).

What is the average humidity in July in Windham?

In Windham, New Hampshire, the average relative humidity in July is 74%.

How much does it rain in Windham in July?

In Windham, New Hampshire, during July, the rain falls for 14.4 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow in Windham?

In Windham, New Hampshire, snow does not fall in June through September.

How many hours of daylight does Windham have in July?

The average day length in July in Windham is 14h and 58min.

When is the sunrise / sunset in July in Windham?

On the first day of July in Windham, New Hampshire, sunrise is at 5:11 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:06 pm EDT.

How long on average sun shines in July in Windham?

The average sunshine duration in July in Windham, New Hampshire, is 10.3h.

What is the month with the highest UV index in Windham?

The months with the highest UV index in Windham, New Hampshire, are June through August, with an average maximum UV index of 6.

What is the UV index reading in July in Windham?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Windham, NH

Average temperature in July - Windham, NH
  • Average high temperature in July: 81.7°F

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).

  • Average low temperature in July: 63°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).

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Average pressure in July
Windham, NH

Average pressure in July - Windham, NH
  • Average pressure in July: 29.94"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).

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Average wind speed in July
Windham, NH

Average wind speed in July - Windham, NH
  • Average wind speed in July: 5.6mph

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).

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Average humidity in July
Windham, NH

Average humidity in July - Windham, NH
  • Average humidity in July: 74%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in July
Windham, NH

Average rainfall in July - Windham, NH
  • Average rainfall in July: 1.97"

The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in July
Windham, NH

Average rainfall days in July - Windham, NH
  • Average rainfall days in July: 14.4 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).

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Average snowfall in July
Windham, NH

Average snowfall in July - Windham, NH
  • Average snowfall in July: 0"

The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Windham, NH

Average snowfall days in July - Windham, NH
  • Average snowfall days in July: 0 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).

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Average daylight in July /
Average sunshine in July
Windham, NH

Average daylight in July / Average sunshine in July - Windham, NH
  • Average daylight in July: 15h and 0min

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 July: 10h and 2min

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).

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Average sunshine days in July
Windham, NH

Average sunshine days in July - Windham, NH
  • Average sunshine days in July: 15.1 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).

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Average UV index in July
Windham, NH

Average UV index in July - Windham, NH
  • Average UV index in July: 6

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).

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Average cloud cover in July
Windham, NH

Average cloud cover in July - Windham, NH
  • Average cloud cover in July: 33

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in July
Windham, NH

Average visibility in July - Windham, NH
  • Average visibility in July: 6mi

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).

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Windham, New Hampshire, USA

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