July weather forecastHarwinton, CT
July
Weather in July
July, the same as June, is a moderately hot summer month in Harwinton, Connecticut, with an average temperature fluctuating between 81.3°F (27.4°C) and 61.3°F (16.3°C).Temperature
In Harwinton, Connecticut, July is the month with the highest recorded average temperatures, measuring a high of 81.3°F (27.4°C) and a low of 61.3°F (16.3°C).Heat index
The heat index value during July is evaluated at a tropical 86°F (30°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Observations indicate that the heat index values are for shady locations with light wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In July, the average relative humidity is 77%.Rainfall
In Harwinton, during July, the rain falls for 16.8 days and regularly aggregates up to 2.99" (76mm) of precipitation. Throughout the year, there are 157.7 rainfall days, and 32.72" (831mm) of precipitation is accumulated.Snowfall
In Harwinton, snow does not fall in June through September.Daylight
In July, the average length of the day is 14h and 52min.On the first day of July, sunrise is at 5:21 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:11 pm EDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.1h of sunshine.UV index
In Harwinton, the average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In July, the maximum UV index of 5 suggests these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Harwinton, CT
- Average high temperature in July: 81.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in July: 61.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in July
Harwinton, 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
Harwinton, CT
- Average wind speed in July: 5.2mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in July
Harwinton, CT
- Average humidity in July: 77%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in July
Harwinton, CT
- Average rainfall in July: 2.99"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in July
Harwinton, CT
- Average rainfall days in July: 16.8 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in July
Harwinton, CT
- Average snowfall in July: 0"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Harwinton, CT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Harwinton, CT
- Average daylight in July: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 10h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in July
Harwinton, CT
- Average sunshine days in July: 12.8 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in July
Harwinton, CT
- Average UV index in July: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in July
Harwinton, CT
- Average cloud cover in July: 37
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in July
Harwinton, CT
- Average visibility in July: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
