Oslo weather in May
Oslo in May averages 12°C (53°F), 60 mm of rain and 8 hours of sun a day.
Of the twelve months in Oslo, May is the fifth warmest, the sixth driest and the sunniest.
- Average temp
- 12°C (53°F)
7–17°C · 44–62°F
- Rainfall
- 60 mm
Showers likely
- Sunshine
- 8 h
hours per day
What is Oslo like in May?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Oslo in May?
High-factor sun cream
With 8 hours of sun a day, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
A light rain jacket
About 60 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 7°C (44°F).
May compared with April and June
May in Oslo is 5.2°C warmer than April and 12 mm wetter than it, which averages 7°C (44°F).
May in Oslo is 3.8°C cooler than June and 19 mm drier than it, which averages 16°C (60°F).
Daylight in Oslo in May
On 15 May the sun is up for 17 hours 10 minutes in Oslo, rising about 04:39 and setting about 21:49 local time.
May ends 2 hours 14 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 1 hour 37 minutes short of June, the longest-lit month here.
Where to stay in Oslo
Dates are a starting point for May.
Travel guides for Oslo
What to read before you book.
Oslo weather by month
TemperatureRainfall
How May compares with the rest of the year
May is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -2°C / 28°F | 58 mm |
| February | -2°C / 29°F | 46 mm |
| March | 2°C / 35°F | 40 mm |
| April | 7°C / 44°F | 48 mm |
| May | 12°C / 53°F | 60 mm |
| June | 16°C / 60°F | 80 mm |
| July | 18°C / 64°F | 86 mm |
| August | 17°C / 62°F | 104 mm |
| September | 13°C / 55°F | 81 mm |
| October | 7°C / 44°F | 94 mm |
| November | 2°C / 36°F | 84 mm |
| December | -1°C / 29°F | 54 mm |
Similar weather in May
Other destinations whose May averages sit close to this one.
Check another month
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FAQs about Oslo in May
May climate averages for Oslo, 1991–2020.
Oslo averages 12°C (53°F) in May, ranging from about 7°C (44°F) at night to 17°C (62°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 60 mm falls across May, enough to need a light jacket but not enough to reshape a trip.
No. May averages 12°C (53°F) against 16°C (60°F) in June — 3.8°C cooler.
May is 5.2°C warmer than April, and 12 mm wetter.
Yes. May falls inside the most comfortable stretch of the year here, April to September, on temperature and rainfall together.
About 8 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what May is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 17 hours 10 minutes of daylight in mid-May, against 18 hours 47 minutes in June and 5 hours 57 minutes in December.
On 15 May, sunrise is about 04:39 and sunset about 21:49 local time. Both shift across the month — the month ends 2 hours 14 minutes longer than it starts.
