When to visit Oslo?
The decision rests on several criteria. Climate score, tourist crowds and feasible activities.
What you grasp in 5 seconds
Oslo offers 4 comfortable months, with 4 months to avoid (January, February, November, December). The gap is sharp: 7.7 in June vs 0.7 in November.
What to check next
Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.
Next action
Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.
How we calculate the score
The score combines 4 weighted criteria using 10 years of real climate data (ERA5).
Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →
Compare all 12 months
Month-by-month details: temperature, rain, sunshine, score and verdict.
| Month | T° min | T° max | Rain % | mm/day | Sun | Score | Verdict |
|---|---|---|---|---|---|---|---|
| 🌧️ January → | -5°C | 1°C | 32% | 2.3mm | 1.5h | 0.8/10 | Tough conditions |
| 🌧️ February → | -3°C | 2°C | 32% | 2.0mm | 2.7h | 0.9/10 | Tough conditions |
| 🌥️ March → | -2°C | 5°C | 26% | 1.7mm | 4.6h | 4.0/10 | Decent period |
| 🌥️ April → | 2°C | 11°C | 26% | 1.7mm | 6.1h | 4.3/10 | Decent period |
| ⛅ May → | 8°C | 17°C | 32% | 2.2mm | 8.1h | 7.3/10 | Best period |
| ☀️ June → | 12°C | 21°C | 36% | 2.9mm | 8.0h | 7.7/10 | Best period |
| ☀️ July → | 14°C | 21°C | 38% | 3.6mm | 7.8h | 7.7/10 | Best period |
| ☀️ August → | 13°C | 20°C | 37% | 2.9mm | 6.7h | 7.5/10 | Best period |
| 🌥️ September → | 10°C | 16°C | 35% | 3.0mm | 5.1h | 4.4/10 | Decent period |
| 🌥️ October → | 5°C | 11°C | 37% | 3.0mm | 3.0h | 4.1/10 | Decent period |
| 🌧️ November → | 1°C | 5°C | 35% | 2.7mm | 1.7h | 0.7/10 | Tough conditions |
| 🌧️ December → | -2°C | 2°C | 34% | 2.2mm | 1.1h | 0.8/10 | Tough conditions |
Oslo week by week: your odds of avoiding rain
For each week of the year: in how many years out of 10 it was mostly dry (at most 2 rainy days), 2016 to 2025.
Safest week: Apr 16 to Apr 22, mostly dry in 9 years out of 10 (1.2 rainy day(s) on average).
Most exposed: Jul 2 to Jul 8, mostly dry in 3 years out of 10 (3.4 rainy days on average).
| Jan | Jan 16/10-1°C | Jan 85/100°C | Jan 155/10-1°C | Jan 225/101°C | Jan 294/100°C |
|---|---|---|---|---|---|
| Feb | Feb 57/100°C | Feb 126/101°C | Feb 194/103°C | Feb 266/104°C | |
| Mar | Mar 56/103°C | Mar 127/105°C | Mar 198/108°C | Mar 266/108°C | |
| Apr | Apr 27/109°C | Apr 97/1010°C | Apr 169/1014°C | Apr 235/1012°C | Apr 306/1014°C |
| May | May 77/1015°C | May 147/1018°C | May 213/1018°C | May 285/1021°C | |
| Jun | Jun 45/1020°C | Jun 114/1021°C | Jun 184/1021°C | Jun 255/1023°C | |
| Jul | Jul 23/1020°C | Jul 93/1022°C | Jul 166/1023°C | Jul 234/1023°C | Jul 304/1021°C |
| Aug | Aug 64/1020°C | Aug 136/1021°C | Aug 205/1020°C | Aug 278/1019°C | |
| Sep | Sep 34/1019°C | Sep 103/1017°C | Sep 179/1016°C | Sep 245/1014°C | |
| Oct | Oct 15/1012°C | Oct 86/1012°C | Oct 155/109°C | Oct 224/109°C | Oct 293/108°C |
| Nov | Nov 55/106°C | Nov 126/105°C | Nov 197/103°C | Nov 264/102°C | |
| Dec | Dec 36/101°C | Dec 107/101°C | Dec 175/102°C | Dec 246/101°C |
A specific date? The app computes the same figure day by day.
Annual temperatures — Oslo
Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.
For your trip
A few angles depending on what kind of trip you are planning.
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
🎟️ Activities & tours · Oslo
GetYourGuide selection · free cancellation
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.
Country · Norway
🌡️ Climate
🏖️ Beach holiday
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Where is Oslo ?
Global position + regional geographic context.