August weather forecastHarwinton, CT
August
Weather in August
August, the last month of the summer in Harwinton, is also a moderately hot month, with an average temperature fluctuating between 59.9°F (15.5°C) and 79.3°F (26.3°C).Temperature
The average high-temperature for August is a still moderately hot 79.3°F (26.3°C), closely aligning with the temperature of the preceding month. Nighttime temperatures in August average to a refreshing 59.9°F (15.5°C).Humidity
The average relative humidity in August is 78%.Rainfall
In August, the rain falls for 14.8 days. Throughout August, 2.64" (67mm) of precipitation is accumulated. In Harwinton, during the entire year, the rain falls for 157.7 days and collects up to 32.72" (831mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 49min.On the first day of the month, sunrise is at 5:47 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:26 pm EDT.
Sunshine
July and August, with an average of 10.1h of sunshine, are months with the most sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harwinton, CT
- Average high temperature in August: 79.3°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 August: 59.9°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 August
Harwinton, CT
- Average pressure in August: 29.98"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 August
Harwinton, CT
- Average wind speed in August: 5.1mph
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 August
Harwinton, CT
- Average humidity in August: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in August
Harwinton, CT
- Average rainfall in August: 2.64"
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 August
Harwinton, CT
- Average rainfall days in August: 14.8 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 August
Harwinton, CT
- Average snowfall in August: 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 August
Harwinton, CT
- Average snowfall days in August: 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 August /
Average sunshine in August
Harwinton, CT
- Average daylight in August: 13h and 48min
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 August: 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 August
Harwinton, CT
- Average sunshine days in August: 14.3 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 August
Harwinton, CT
- Average UV index in August: 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 August
Harwinton, CT
- Average cloud cover in August: 36
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 August
Harwinton, CT
- Average visibility in August: 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).
