Overall on the next 14 days there will be 1 days with snow in Oslo and a total of 0.7 cm of snow.
It will be snowy on the following days:
Oslo weather in May 2026
Click on a day for an hourly weather forecast
Friday
May 8
0 mm
14° / 1°
Saturday
May 9
0.3 mm
15° / 3°
Sunday
May 10
1 mm
14° / 4°
Monday
May 11
0.7 cm
10° / 1°
Tuesday
May 12
0 mm
14° / -2°
Wednesday
May 13
9 mm
11° / 4°
Thursday
May 14
0.5 mm
14° / 2°
Friday
May 15
1.3 mm
14° / 2°
Saturday
May 16
9.3 mm
9° / 5°
Sunday
May 17
0 mm
15° / 4°
Monday
May 18
0 mm
16° / 2°
Tuesday
May 19
2.8 mm
15° / 7°
Wednesday
May 20
0 mm
21° / 5°
Thursday
May 21
0 mm
22° / 9°
🌨️ Snowy days in Oslo 2026 (May)
The average weather in Oslo in May
The temperatures in Oslo in May are quite cold with temperatures between 5°C and 15°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Oslo during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Oslo can expect a few days of snow in May.
Our weather forecast can give you a great sense of what weather to expect in Oslo in May 2026.
If you’re planning to visit Oslo in the near future, we highly recommend that you review the 14 day weather forecast for Oslo before you arrive.
Temperatures
15° / 5°
Rainy Days
7
Snowy Days
1
Dry Days
23
Rainfall
85
mm
Sun Hours
8.6
Hrs
Historic average weather for May
Click on a day for an hourly weather forecast
Explore the weather in Oslo in other months
Oslo annual weather
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -7° | 3 | 13 | 15 | 51 mm | Awful | Oslo in January |
| February | -1° / -8° | 4 | 11 | 14 | 45 mm | Awful | Oslo in February |
| March | 3° / -5° | 6 | 16 | 10 | 46 mm | Awful | Oslo in March |
| April | 10° / 2° | 4 | 23 | 3 | 39 mm | Bad | Oslo in April |
| May | 15° / 5° | 7 | 23 | 1 | 85 mm | Ok | Oslo in May |
| June | 19° / 9° | 7 | 23 | 0 | 89 mm | Ok | Oslo in June |
| July | 21° / 11° | 7 | 24 | 0 | 99 mm | Ok | Oslo in July |
| August | 20° / 11° | 7 | 24 | 0 | 94 mm | Ok | Oslo in August |
| September | 16° / 8° | 5 | 25 | 0 | 69 mm | Good | Oslo in September |
| October | 10° / 4° | 7 | 23 | 1 | 68 mm | Bad | Oslo in October |
| November | 4° / 0° | 6 | 18 | 6 | 67 mm | Awful | Oslo in November |
| December | -1° / -5° | 6 | 14 | 11 | 58 mm | Awful | Oslo in December |
Temperatures in Oslo in May
Rain in Oslo in May
Recommended Hotels in Oslo
Weather in Oslo in May - FAQ
What is the average temperature in Oslo in May?
The average temperature in Oslo in May is 5/15° C.
What is the chance of rain in Oslo in May?
On average, there are 7 rainy days in Oslo during May.
Weather wise, is May a good time to visit Oslo?
The weather in Oslo in May is ok.
Can it snow in Oslo in May?
On average, there are 1 snowy days in Oslo in May.
More about the weather in Oslo