August weather forecastColumbia, CT
August
Weather in August
The last month of the summer, August, is another warm month in Columbia, Connecticut, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 62.2°F (16.8°C).Temperature
The advent of August observes an average high-temperature of a still warm 80.2°F (26.8°C), nearly identical to July's 81.9°F (27.7°C). During the August nights, an average temperature of 62.2°F (16.8°C) is observed.Humidity
In Columbia, the average relative humidity in August is 77%.Rainfall
In Columbia, in August, it is raining for 16.4 days, with typically 2.76" (70mm) of accumulated precipitation. In Columbia, during the entire year, the rain falls for 164.2 days and collects up to 33.74" (857mm) of precipitation.Snowfall
In Columbia, snow does not fall in June through October.Daylight
The average length of the day in August is 13h and 49min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:06 pm. On the last day of August, sunrise is at 6:14 am and sunset at 7:23 pm EDT.
Sunshine
With an average of 10.3h of sunshine, August has the most sunshine of the year.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 risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 6 during August, leads to the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Columbia, 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
Columbia, 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
Columbia, 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
Columbia, 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
Columbia, 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
Columbia, 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
Columbia, 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
Columbia, 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
Columbia, 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 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
Columbia, 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
Columbia, 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
Columbia, 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
Columbia, 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).
