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Chatham weather in July 2025
Expect 25°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Chatham in July. Check more long-term weather averages for Chatham in July before you book your next holiday to Massachusetts in 2025/2026.
- 2525°C max day temperature
- 9 hours of sunshine per day
- 99 days with some rainfall
- 1717°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 6464 mm of monthly rainfall
- 88 (Very High) UV index
- 1818°C sea temperature
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Chatham by month
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Recommended for Massachusetts
The July weather guide for Massachusetts (Chatham) 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.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Chatham in July?
Daytime temperatures usually reach 25°C in Chatham in July with no heat and humidity, falling to 17°C at night.
How sunny is it in Chatham in July?
There are normally 9 hours of bright sunshine each day in Chatham in July - that's 57% of daylight hours.
How warm is the sea around Chatham in July?
The average sea temperature around Chatham in July is 18°C.
Does it rain in Chatham in July?
There are usually 9 days with some rain in Chatham in July and the average monthly rainfall is 64mm.
Chatham July sunrise & sunset times
Browse the sunrise and sunset times for Chatham in July 2025. Select a month to view Chatham sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Tuesday, 1st July 2025 | 04:09 | 19:18 |
Wednesday, 16th July 2025 | 04:20 | 19:12 |
Thursday, 31st July 2025 | 04:33 | 18:58 |
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