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Connecticut weather in October 2025
Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Connecticut in October. Check more long-term weather averages for Connecticut in October before you book your next holiday to Connecticut in 2025/2026.
- 1818°C max day temperature
- 6 hours of sunshine per day
- 88 days with some rainfall
- 55°C min night temperature
- 1111 hours of daylight per day
- 0No heat & humidity
- 9090 mm of monthly rainfall
- 44 (Moderate) UV index
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The October 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 October. Select a holiday destination to see more weather parameters.
All Connecticut destinations
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Connecticut in October?
Daytime temperatures usually reach 18°C in Hartford, Connecticut in October, falling to 5°C at night.
How sunny is it in Connecticut in October?
There are normally 6 hours of bright sunshine each day in Hartford, Connecticut in October - that's 58% of daylight hours.
Does it rain in Connecticut in October?
There are usually 8 days with some rain in Hartford, Connecticut in October and the average monthly rainfall is 90mm.
Connecticut October sunrise & sunset times
Browse the sunrise and sunset times for Connecticut in October 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 |
---|---|---|
Wednesday, 1st October 2025 | 05:48 | 17:32 |
Thursday, 16th October 2025 | 06:05 | 17:07 |
Friday, 31st October 2025 | 06:22 | 16:46 |
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