August weather forecastBristol, CT
August
Weather in August
Although August continues the summer streak in Bristol, it ushers in the initial signs of its retreat. The mercury in the city hovers around a high of 80.4°F (26.9°C). Thankfully, the generous sunlight and clear weather result in favourable conditions for outdoor activities. As the month progresses, the slowly shortening days hint at the upcoming fall. Evenings by the end of August start getting noticeably cooler, offering a delightful contrast to the midday warmth.Temperature
The shift to August signals an average high-temperature of a still moderately hot 80.4°F (26.9°C), subtly varied from July's 82.4°F (28°C). Bristol, in the month of August, anticipates a consistent average low-temperature of 61.3°F (16.3°C).Humidity
The average relative humidity in August in Bristol is 76%.Rainfall
In Bristol, during August, the rain falls for 17.5 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, there are 170 rainfall days, and 35.43" (900mm) of precipitation is accumulated.Snowfall
In Bristol, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 48min.On the first day of the month, sunrise is at 5:46 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:26 pm EDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.2h of sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 6 in August translates into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Bristol, CT
- Average high temperature in August: 80.4°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in August
Bristol, 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
Bristol, CT
- Average wind speed in August: 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 (5.2mph).
Average humidity in August
Bristol, CT
- Average humidity in August: 76%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall in August
Bristol, CT
- Average rainfall in August: 3.03"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in August
Bristol, CT
- Average rainfall days in August: 17.5 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in August
Bristol, CT
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Bristol, CT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Bristol, 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 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 30min).
Average sunshine days in August
Bristol, CT
- Average sunshine days in August: 10.9 days
The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is June (10 days).
Average UV index in August
Bristol, CT
- Average UV index in August: 6
The months with the highest UV index are June, July and August (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
Bristol, CT
- Average cloud cover in August: 35
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Bristol, CT
- Average visibility in August: 5mi
The months with the highest visibility are January, April, October, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August and September (5mi).
