July weather forecastChatham, NH
July
Weather in July
July is a warm summer month in Chatham, New Hampshire, with an average temperature fluctuating between 76.8°F (24.9°C) and 55.8°F (13.2°C).Temperature
The average temperatures reach their apex in July, averaging 76.8°F (24.9°C) at the high end and 55.8°F (13.2°C) at the low end.Humidity
In Chatham, the average relative humidity in July is 79%.Rainfall
In Chatham, during July, the rain falls for 15.4 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, in Chatham, there are 158 rainfall days, and 18.58" (472mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Chatham, New Hampshire.Daylight
The average length of the day in July is 15h and 7min.On the first day of the month, sunrise is at 5:04 am and sunset at 8:31 pm. On the last day of July, sunrise is at 5:31 am and sunset at 8:09 pm EDT.
Sunshine
The average sunshine in July in Chatham, New Hampshire, is 9.9h.UV index
The months with the highest UV index in Chatham are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: During July, 5 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Chatham, NH
- Average high temperature in July: 76.8°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in July: 55.8°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in July
Chatham, NH
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Chatham, NH
- Average wind speed in July: 4.5mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in July
Chatham, NH
- Average humidity in July: 79%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May and November (77%).
Average rainfall in July
Chatham, NH
- Average rainfall in July: 1.5"
The wettest months (with the highest rainfall) are April and October (2.17").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in July
Chatham, NH
- Average rainfall days in July: 15.4 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in July
Chatham, NH
- Average snowfall in July: 0"
The month with the highest snowfall is February (6.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Chatham, NH
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Chatham, NH
- Average daylight in July: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in July: 9h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in July
Chatham, NH
- Average sunshine days in July: 12 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (10.1 days).
Average UV index in July
Chatham, NH
- Average UV index in July: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in July
Chatham, NH
- Average cloud cover in July: 39
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in July
Chatham, NH
- Average visibility in July: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).
