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Ascension Island weather in May 2025
Expect 28°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Ascension Island in May. Check more long-term weather averages for Ascension Island in May before you book your next holiday to St Helena & Islands in 2025/2026.
- 2828°C max day temperature
- 9 hours of sunshine per day
- 2020 days with some rainfall
- 2525°C min night temperature
- 1212 hours of daylight per day
- MModerate heat & humidity
- 3131 mm of monthly rainfall
- 1111 (Extreme) UV index
- 2727°C sea temperature
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Recommended for St Helena & Islands
The May weather guide for St Helena & Islands (Ascension Island) 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)
How hot is it in Ascension Island in May?
Daytime temperatures usually reach 28°C in Ascension Island in May with moderate heat and humidity, falling to 25°C at night.
How sunny is it in Ascension Island in May?
There are normally 9 hours of bright sunshine each day in Ascension Island in May - that's 72% of daylight hours.
How warm is the sea around Ascension Island in May?
The average sea temperature around Ascension Island in May is 27°C.
Does it ever rain in Ascension Island in May?
There are usually 20 days with some rain in Ascension Island in May and the average monthly rainfall is 31mm.
Ascension Island May sunrise & sunset times
Browse the sunrise and sunset times for Ascension Island in May 2025. Select a month to view Ascension Island sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 07:00 | 18:49 |
Friday, 16th May 2025 | 07:02 | 18:46 |
Saturday, 31st May 2025 | 07:05 | 18:46 |
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