August weather forecastLebanon, CT
August
Weather in August
The last month of the summer, August, is another warm month in Lebanon, Connecticut, with an average temperature fluctuating between 62.2°F (16.8°C) and 80.2°F (26.8°C).Temperature
August's onset records a minor alteration in the average high-temperature to a still moderately hot 80.2°F (26.8°C) from July's 81.9°F (27.7°C). Lebanon's August nights cool down to an average low-temperature of 62.2°F (16.8°C).Humidity
In Lebanon, Connecticut, the average relative humidity in August is 77%.Rainfall
In Lebanon, during August, the rain falls for 16.4 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Lebanon, during the entire year, the rain falls for 164.2 days and collects up to 33.74" (857mm) of precipitation.Snowfall
In Lebanon, snow does not fall in June through October.Daylight
In Lebanon, the average length of the day in August is 13h and 48min.On the first day of August, sunrise is at 5:44 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:23 pm EDT.
Sunshine
August has the most sunshine of the year in Lebanon, with an average of 10.3h 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 estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 6 in August translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Lebanon, CT
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in August
Lebanon, CT
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Lebanon, CT
- Average wind speed in August: 5.6mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in August
Lebanon, CT
- Average humidity in August: 77%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in August
Lebanon, CT
- Average rainfall in August: 2.76"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in August
Lebanon, CT
- Average rainfall days in August: 16.4 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in August
Lebanon, CT
- Average snowfall in August: 0"
The month with the highest snowfall is March (4.41").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Lebanon, CT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Lebanon, CT
- Average daylight in August: 13h 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 August: 10h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in August
Lebanon, CT
- Average sunshine days in August: 11.1 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in August
Lebanon, 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
Lebanon, CT
- Average cloud cover in August: 33
The months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Lebanon, CT
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).





