July weather forecastDurham, CT
July
Weather in July
July, like June, in Durham, Connecticut, is a moderately hot summer month, with an average temperature ranging between max 82.8°F (28.2°C) and min 64°F (17.8°C).Temperature
Durham experiences its highest temperatures in July, with an average peak of 82.8°F (28.2°C) and a low of 64°F (17.8°C).Heat index
July's heat index is appraised at a hot 89.6°F (32°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and 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 highly important for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In July, the average relative humidity is 76%.Rainfall
In Durham, during July, the rain falls for 17.3 days and regularly aggregates up to 3.19" (81mm) of precipitation. In Durham, during the entire year, the rain falls for 160 days and collects up to 34.57" (878mm) of precipitation.Snowfall
In Durham, snow does not fall in June through October.Daylight
In Durham, the average length of the day in July is 14h and 50min.On the first day of July, sunrise is at 5:21 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:08 pm EDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.2h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In July, the maximum UV index of 6 suggests this advice:
Fend off overexposure. Sun protection is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Durham, CT
- Average high temperature in July: 82.8°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in July: 64°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in July
Durham, CT
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Durham, CT
- Average wind speed in July: 5.5mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in July
Durham, CT
- Average humidity in July: 76%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in July
Durham, CT
- Average rainfall in July: 3.19"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in July
Durham, CT
- Average rainfall days in July: 17.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in July
Durham, CT
- Average snowfall in July: 0"
The month with the highest snowfall is March (4.33").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in July
Durham, CT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Durham, CT
- Average daylight in July: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 10h and 12min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in July
Durham, CT
- Average sunshine days in July: 12.2 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in July
Durham, CT
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Durham, CT
- Average cloud cover in July: 36
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in July
Durham, CT
- Average visibility in July: 5mi
The months with the highest visibility are January, March, April, August, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July and September (5mi).
