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Connecticut weather in August 2025
Expect 28°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Connecticut in August. Check more long-term weather averages for Connecticut in August before you book your next holiday to Connecticut in 2025/2026.
- 2828°C max day temperature
- 9 hours of sunshine per day
- 1010 days with some rainfall
- 1616°C min night temperature
- 1414 hours of daylight per day
- MModerate heat & humidity
- 9393 mm of monthly rainfall
- 88 (Very High) UV index
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The August weather guide for Connecticut (Hartford) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Connecticut destinations
Below are average maximum temperatures at popular countries, regions and places in Connecticut in August. Select a holiday destination to see more weather parameters.
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Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Connecticut in August?
Daytime temperatures usually reach 28°C in Hartford, Connecticut in August with moderate heat and humidity, falling to 16°C at night.
How sunny is it in Connecticut in August?
There are normally 9 hours of bright sunshine each day in Hartford, Connecticut in August - that's 62% of daylight hours.
Does it rain in Connecticut in August?
There are usually 10 days with some rain in Hartford, Connecticut in August and the average monthly rainfall is 93mm.
What is the chance of a hurricane in Connecticut in August?
On average less than 1 day in August in Hartford, Connecticut is likely to be affected by the passage of one or more tropical storms.
Connecticut August sunrise & sunset times
Browse the sunrise and sunset times for Connecticut in August 2025. Select a month to view Connecticut sunrise and sunset times for the next 12 months. The Connecticut sunrise and sunset times shown below are for Hartford.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 04:45 | 19:08 |
Saturday, 16th August 2025 | 05:01 | 18:49 |
Sunday, 31st August 2025 | 05:16 | 18:25 |
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