OsloPhoto: JopkeB · CC BY-SA 4.0Norway · Europe
Best time to visit Oslo
Oslo pairs modern architecture with forest and fjord. Summer is pleasantly mild, winter cold and snowy.
Climate decision
Best travel months for Oslo
Joint highest scores
Next highest scores
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
June · Mean daily maximum
19.4 °C
1991–2025: 17.9 °C
+1.6 °C · higher
April · Wet days
9 days/month
1991–2025: 10.9 days/month
-1.9 days/month · lower
July · Monthly precipitation
131.9 mm/month
1991–2025: 106.7 mm/month
+25.2 mm/month · higher
July: 0/155 days at or above 30 °C; highest single value 29.7 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · City climate
Oslo: choose the season before the trip style
The lowest and highest average daily highs are 23.6 °C apart. Temperature is therefore the first decision layer, while rain and sunshine refine the choice of month.
How to read the curve
A single annual score hides the change of seasons. The useful question is which temperature window suits the planned city trip.
Lowest average daily low
January · -8.7 °C
Highest average daily high
July · 20.1 °C
Most rainy days
July · 16.8
Most sunshine
June · 6.9 h
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| January | -4 | -9 | 13 | 76 | 0.4 | 98 | 0.3 | 22 |
| February | -2 | -8 | 11 | 59 | 1.1 | 98 | 0.3 | 28 |
| March | 2 | -5 | 11 | 57 | 2.8 | 93 | 0.3 | 32 |
| April | 8 | -0 | 11 | 61 | 4.6 | 83 | 0.3 | 41 |
| May | 14 | 5 | 13 | 81 | 6.1 | 78 | 0.3 | 50 |
| June | 18 | 9 | 14 | 94 | 6.9 | 78 | 0.3 | 61 |
| July | 20 | 12 | 17 | 107 | 6.4 | 80 | 0.3 | 61 |
| August | 19 | 11 | 16 | 116 | 5.0 | 84 | 0.3 | 56 |
| September | 14 | 7 | 13 | 99 | 3.2 | 87 | 0.4 | 46 |
| October | 8 | 2 | 15 | 104 | 1.4 | 93 | 0.3 | 25 |
| November | 1 | -3 | 15 | 96 | 0.5 | 96 | 0.3 | 19 |
| December | -3 | -8 | 14 | 76 | 0.2 | 97 | 0.3 | 21 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
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Where to stay in Oslo
Compare available stays, prices and cancellation terms for Oslo on Booking.com.
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Useful next decisions
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Similar destinations
The number is the overall climate score, not a similarity score.
Country and region
Frequently asked questions
When is the best time to visit Oslo?
The strongest climate months are June, July. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in Oslo?
The average daily maximum temperature in Oslo is highest in July at around 20 °C.