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Portland weather in July 2025
Expect 26°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Portland in July. Check more long-term weather averages for Portland in July before you book your next holiday to Maine in 2025/2026.
- 2626°C max day temperature
- 9 hours of sunshine per day
- 1010 days with some rainfall
- 1515°C min night temperature
- 1515 hours of daylight per day
- LLow heat & humidity
- 7777 mm of monthly rainfall
- 88 (Very High) UV index
- 1616°C sea temperature
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Recommended for Maine
The July weather guide for Maine (Portland) 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 Portland in July?
Daytime temperatures usually reach 26°C in Portland in July with low heat and humidity, falling to 15°C at night.
How sunny is it in Portland in July?
There are normally 9 hours of bright sunshine each day in Portland in July - that's 59% of daylight hours.
How warm is the sea around Portland in July?
The average sea temperature around Portland in July is 16°C.
Does it rain in Portland in July?
There are usually 10 days with some rain in Portland in July and the average monthly rainfall is 77mm.
Portland July sunrise & sunset times
Browse the sunrise and sunset times for Portland in July 2025. Select a month to view Portland sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Tuesday, 1st July 2025 | 04:04 | 19:26 |
Wednesday, 16th July 2025 | 04:14 | 19:19 |
Thursday, 31st July 2025 | 04:29 | 19:05 |
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