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United StatesThe weather in August in Connecticut
It's warm in August in Connecticut with an average temperature of 28°C. Temperatures this month range from a low of 26°C to a high of 30°C. At night, you can expect temperatures between 17°C and 20°C.
Looking for sun? August isn’t a good month to be in Connecticut. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Connecticut, United States. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 34°C in 2021, Connecticut reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 18°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 25°C.
Rainfall amount
In August, there is an average of 145 mm of precipitation, spread over 16 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in August for Connecticut
Click on any day in August to get detailed info about the usual weather on that day in Connecticut. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Connecticut | New York | |
|---|---|---|
| Average temperature | 28°C | 30°C |
| Max. temperature | 30°C | 31°C |
| Min. temperature | 17°C | -5°C |
| Total precipitation | 145 mm | 79 mm |
| Rainy days | 16 days | 13 days |
Start of August
The month of August starts in Connecticut with hot temps, averaging around 28°C during the day and nights around 19°C.
Mid August
By mid-August, daytime temps rise to around 29°C, with nights around 19°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of August
By the end of August, the average daytime temperature in Connecticut is around 28°C, while nighttime temps are about 18°C. A shower might pop up, but overall, the weather will be dry and sunny.
Find affordable vacations to Connecticut
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Connecticut for all months and discover the best travel time
The climate in Connecticut is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Connecticut to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in August in Connecticut, United States. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Connecticut
Temperature in August in Connecticut over the years
Precipitation charts
These charts show the average amount of precipitation in August in Connecticut, United States. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Connecticut
Total precipitation in August in Connecticut over the years
Daily UV index in August in Connecticut
This chart shows the average daily UV index in August in Connecticut, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Connecticut
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Average weather in Connecticut by month
Click on a month below to see detailed weather info for Connecticut. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.