August weather forecastHaddam, CT
August
Weather in August
August, the last month of the summer in Haddam, is also a moderately hot month, with an average temperature varying between 80.4°F (26.9°C) and 62.8°F (17.1°C).Temperature
Haddam sees the arrival of August with an average high-temperature of a still warm 80.4°F (26.9°C), indicating a subtle variation from July. Throughout August, Haddam experiences a low-temperature average of 62.8°F (17.1°C).Humidity
In August, the average relative humidity is 76%.Rainfall
In Haddam, during August, the rain falls for 11.1 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Haddam, during the entire year, the rain falls for 109.9 days and collects up to 11.14" (283mm) of precipitation.Snowfall
In Haddam, Connecticut, snow does not fall in June through October.Daylight
The average length of the day in August is 13h and 47min.On the first day of August, sunrise is at 5:45 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:24 pm EDT.
Sunshine
July and August, with an average of 10.1h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 6 during August translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Haddam, CT
- Average high temperature in August: 80.4°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in August: 62.8°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in August
Haddam, 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
Haddam, CT
- Average wind speed in August: 5.7mph
The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in August
Haddam, CT
- Average humidity in August: 76%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in August
Haddam, CT
- Average rainfall in August: 1.02"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in August
Haddam, CT
- Average rainfall days in August: 11.1 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in August
Haddam, CT
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.14").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Haddam, CT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (5.2 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
Haddam, 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 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 30min).
Average sunshine days in August
Haddam, CT
- Average sunshine days in August: 16.9 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (16.3 days).
Average UV index in August
Haddam, 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
Haddam, CT
- Average cloud cover in August: 35
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Haddam, CT
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July and August (5mi).
