Norway
Oslo in May: weather & travel advice
This month's data profile
Rain shapes the decision
Oslo in May is climatically mixed. The average daily high is around 14 °C. With about 13 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
50/100 · #4
Warmth
#5
Dryness
#5
Sun
#3
Published best categories: City break, Active
Oslo · MayPhoto: JopkeB · CC BY-SA 4.0Climate facts
- Average high
- 14 °C
- Average low
- 5 °C
- Rainy days (est.)
- 13 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 78 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| April | 8 | -0 | 11 | 61 | 4.6 | 83 | 0.3 | 41 |
| May (selected) | 14 | 5 | 13 | 81 | 6.1 | 78 | 0.3 | 50 |
| June | 18 | 9 | 14 | 94 | 6.9 | 78 | 0.3 | 61 |
How do the previous and next months compare?
Baseline: May (50/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| April | -9 | -5.9 °C | -4.9 °C | -2.1 | -19.9 mm | -1.5 h | +5 % | ±0 m/s |
| June | +11 | +3.8 °C | +4.3 °C | +1.2 | +13.4 mm | +0.8 h | -0.3 % | ±0 m/s |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Oslo in May?
The average daily high is around 14 °C, with an average daily low of about 5 °C.
Does it rain a lot in Oslo in May?
The curated estimate is about 13 rainy days per month, not a directly measured long-term average. Total precipitation averages around 81 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Oslo?
By the climate score, June and July are the strongest months for Oslo. May is not among them.