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Oslo weather in May 2025
Expect 15°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Oslo in May. Check more long-term weather averages for Oslo in May before you book your next holiday to Norway in 2025/2026.
- 1515°C max day temperature
- 7 hours of sunshine per day
- 1414 days with some rainfall
- 55°C min night temperature
- 1717 hours of daylight per day
- 0No heat & humidity
- 5656 mm of monthly rainfall
- 44 (Moderate) UV index
- 99°C sea temperature
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Oslo by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Norway
The May weather guide for Norway (Oslo) 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 Norway
How warm is it in Oslo in May?
Daytime temperatures usually reach 15°C in Oslo in May, falling to 5°C at night.
How sunny is it in Oslo in May?
There are normally 7 hours of bright sunshine each day in Oslo in May - that's 41% of daylight hours.
Is the sea cold around Oslo in May?
The average sea temperature around Oslo in May is 9°C.
Does it rain in Oslo in May?
There are usually 14 days with some rain in Oslo in May and the average monthly rainfall is 56mm.
Oslo May sunrise & sunset times
Browse the sunrise and sunset times for Oslo in May 2025. Select a month to view Oslo sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 04:15 | 20:15 |
Friday, 16th May 2025 | 03:37 | 20:51 |
Saturday, 31st May 2025 | 03:08 | 21:22 |
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