Ideal weather days in Oslo
The best time to visit Oslo for warm, dry weather is May to August, with 17 to 20 such days a month.
How many days here suit you?
Set your ideal day. Each day measured at Oslo's weather station in 2023–2025 is checked against it.
They're most common in May to August.
This station doesn't record cloud cover, so the sky setting is left out here.
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Your ideal days in Oslo, month by month
Why the other days don't count
- Too cold247
- Too wet111
- Too windy9
- Too hot0
A day can fail more than one test.
Warm and dry, beach and mild days
With the Warm & dry preset (a high of 18–33 °C, no more than 1 mm of rain, wind under 20 km/h), Oslo averaged 85 days a year in 2023–2025. Every number here is counted from real measured days in Norway, not from climate averages.
Beach days (a high of 26–35 °C, almost no rain, mostly sunny) are most common in (up to 4 a month, 8 a year). Mild, still days (16–26 °C, light wind) are most common in May to June and August to September (up to 16 a month, 80 a year).
What spoils the other days
Most of the days that don't count are too cold (a high under 18 °C): 247 a year, mostly in October to April. Another 111 are wet (more than 1 mm of rain), mostly in June to October and December to April. A day can fail more than one test.
Oslo weather, month by month
| Month | Typical high | Rain days | Windy days | Clear days | Warm & dry days |
|---|---|---|---|---|---|
| January | 1 °C 34 °F | 13 | 2 | 6 | 0 of 31 |
| February | 3 °C 37 °F | 9 | 0 | 8 | 0 of 28 |
| March | 5 °C 41 °F | 10 | 0 | 8 | 0 of 31 |
| April | 12 °C 54 °F | 10 | 0 | 8 | 3 of 30 |
| May | 20 °C 67 °F | 5 | 1 | 10 | 17 of 31 |
| June | 23 °C 73 °F | 11 | 0 | 6 | 18 of 30 |
| July | 23 °C 73 °F | 15 | 0 | 4 | 17 of 31 |
| August | 22 °C 71 °F | 12 | 0 | 4 | 20 of 31 |
| September | 18 °C 64 °F | 14 | 0 | 5 | 9 of 30 |
| October | 12 °C 53 °F | 9 | 2 | 5 | 0 of 31 |
| November | 4 °C 39 °F | 9 | 2 | 5 | 0 of 30 |
| December | 1 °C 34 °F | 12 | 1 | 6 | 0 of 31 |
| Year | 129 | 9 | 75 | 85 of 365 |
Typical high is the median daily maximum. A rain day has 1 mm or more; a windy day a mean wind above 20 km/h; a clear day a daytime cloud cover of 2/8 or less on average (9:00–17:00). Days are averaged over 2023–2025 and scaled to the length of each month.
Year by year
- 2023 89 warm, dry days
- 2024 73 warm, dry days
- 2025 incomplete (8 of 12 months)
Questions
When is the best time to visit Oslo for good weather?
The best time to visit Oslo for warm, dry weather is May to August, with 17 to 20 such days a month. Beach days (a high of 26–35 °C, almost no rain, mostly sunny) are most common in (up to 4 a month, 8 a year). Counted from measured days at Oslo Blindern station, 2023–2025.
Does it rain a lot in Oslo?
On average 129 days a year had 1 mm of rain or more in 2023–2025. The wettest month was July (15 rain days), the driest May (5).
How many sunny days does Oslo get a year?
About 75 days a year had mostly clear skies (daytime cloud cover of 2/8 or less on average, 9:00–17:00), most of them in May (10).
How warm does Oslo get?
The median daily high ranged from 1 °C (34 °F) in January to 23 °C (73 °F) in June.
Nearby
- Aarhus420 km, Denmark78 days
- Gdańsk780 km, Poland103 days
- Edinburgh930 km, United Kingdom61 days
- Warsaw1070 km, Poland125 days
- Saint Petersburg1090 km, Russia95 days
- Tromsø1150 km41 days
- Murmansk1470 km, Russia63 days
Where is the best climate in Norway?
Open Oslo on the map Set your own temperature, rain and wind limits.
Source: Oslo Blindern weather station (01492099999), 5 km from the centre of Oslo, 97 m above sea level. Daily records from NOAA's Global Surface Summary of the Day, 2023–2025; 83% of days have a complete record. A single station may not represent every part of a city, and three years is a short record.