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Oslo in May
The weather in May
In May, Oslo averages daytime highs of 17° and night-time lows of 7° — mild weather by day. Expect around 60 mm of precipitation spread over about 15 wet days, with average cloud cover near 36%.
Days are 5.7° warmer than in April on average, and June is warmer again by about 3.7°.
May scores 60/100 — fair conditions for sightseeing — and ranks 4th of the twelve months for Oslo. For the most comfortable weather, consider June, July and August instead.
Around the middle of the month the sun rises at 04:41 and sets at 21:47 local time, giving 17 h 06 min of daylight. Days lengthen by 136 minutes over the month.
Why 60/100?
How the score for May is builtComfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Oslo this month
Norway's best in May
Sarpsborg
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Oslo in May: quick answers
Is May a good time to visit Oslo?
May scores 60/100 for Oslo, which we rate as fair. Average highs are 17°C with 15 wet days.
How warm is Oslo in May?
Daytime highs average 17°C and night-time lows 7°C in May.
Does it rain a lot in Oslo in May?
Oslo receives about 60 mm of precipitation in May, falling on around 15 days.