July weather forecast and climate
Windham, CT

Weather in July

July, the same as June, is another warm summer month in Windham, Connecticut, with average temperature varying between 63°F (17.2°C) and 81.9°F (27.7°C).

Temperature

With an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 63°F (17.2°C), July is the warmest month.

Heat index

In July, the average heat index is computed to be a tropical 88°F (31.1°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, pregnancy, metabolic differences), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In July, the average relative humidity is 78%.

Rainfall

In July, in Windham, the rain falls for 17 days. Throughout July, 3.19" (81mm) of precipitation is accumulated. Throughout the year, in Windham, there are 164.2 rainfall days, and 33.74" (857mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall in Windham.

Daylight

In Windham, the average length of the day is 14.8h.

Sunshine

In July, the average sunshine is 10.2h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Windham?

The warmest month is July, with an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 63°F (17.2°C).

What is the temperature in July in Windham?

In July, in Windham, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 63°F (17.2°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 88°F (31.1°C).

What is the average humidity in July in Windham?

The average relative humidity in July is 78%.

How many days does it rain in July in Windham?

In July, in Windham, the rain falls for 17 days. Throughout July, 3.19" (81mm) of precipitation is accumulated.

When it does not snow in Windham?

June through October are months without snowfall in Windham.

What is the average length of the day in July in Windham?

In Windham, Connecticut, the average length of the day in July is 14.8h.

How long on average sun shines in July in Windham?

The average sunshine in July is 10.2h.

What are the months with the highest UV index in Windham?

Months with the highest UV index in Windham, Connecticut, 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 in Windham, Connecticut, is 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.

Average temperature in July
Windham, CT

Average temperature in July - Windham, CT
  • Average high temperature in July: 81.9°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.4°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 (21.6°F).

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Average pressure in July
Windham, CT

Average pressure in July - Windham, CT
  • Average pressure in July: 29.95"

The month with the highest atmospheric pressure is November (30.08").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in July
Windham, CT

Average wind speed in July - Windham, CT
  • Average wind speed in July: 5.7mph

The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in July
Windham, CT

Average humidity in July - Windham, CT
  • Average humidity in July: 78%

Months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in July
Windham, CT

Average rainfall in July - Windham, CT
  • Average rainfall in July: 3.19"

The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in July
Windham, CT

Average rainfall days in July - Windham, CT
  • Average rainfall days in July: 17 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in July
Windham, CT

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

The month with the highest snowfall is March (4.41").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
Windham, CT

Average snowfall days in July - Windham, CT
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (8.3 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Windham, CT
  • Average daylight in July: 14.8h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in July: 10.2h

The month with the most sunshine is August (Average sunshine: 10.3h).
The month with the least sunshine is December (Average sunshine: 4.7h).

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Average sunshine days in July
Windham, CT

Average sunshine days in July - Windham, CT
  • Average sunshine days in July: 11.5 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index in July
Windham, CT

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

Months with the highest UV index are June, July and August (UV index 6).
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, CT

Average cloud cover in July - Windham, CT
  • Average cloud cover in July: 36

Months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in July
Windham, CT

Average visibility in July - Windham, CT
  • Average visibility in July: 5mi

Months with the highest visibility are January, March, April, October, November and December (6mi).
Months with the lowest visibility are February, May, June, July, August and September (5mi).

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