Weather for Oslo in May is typically good with an average maximum temperature of +61°F during the day, and approximately 5 sunny days monthly. Typically, there are about 8 rainy days with the total average precipitation that falls in May around 83 mm. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Good to know:
May is usually the driest month of the year in Oslo
Average weather
☀️
+61°F
Avg. max. temperature
+28°F
Min.
+86°F
Max.
83 mm
Total precipitation
64%
Avg. humidity
2 m/s
Avg. wind
5 ☀️
Sunny Days
18 ⛅️
Cloudy
8 🌦
Rainy
Our opinion: Oslo has good weather in May.
Average temperature in Oslo in May
Here are the expected maximum, average and minimum temperatures in Oslo for May based on the historical data.
Last Year
Historical Data
The temperature in May is +61°F on average, with a range between a maximum of +68°F during the day and a minimum of +34°F at night.
The average maximum temperature goes up 11% by the end of the month, compared with the beginning of the month, from +61°F to +64°F.
Is Oslo warm or cold in May?
Oslo is typically mild in May.
Maximum temperatures go up compared to the previous month from +50°F to +61°F. The minimum temperature also goes up from +36°F to +45°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Oslo:
Climate in Oslo in May
Oslo weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+50°F
+61°F
+68°F
Min. temperature
+16°F
+28°F
+37°F
Max. temperature
+77°F
+86°F
+91°F
Rainfall
43 mm
83 mm
89 mm
Wind
2 m/s
2 m/s
2 m/s
Humidity
68%
64%
65%
Air pressure
1011 HPa
1012 HPa
1010 HPa
Sunny days
5
5
4
Cloudy days
20
18
18
Rainy days
4
8
8
Snowy days
1
0
0
May often has better weather than April.It’s getting warmer as May arrives. The average maximum temperature goes up from +50°F to +61°F during the day.Prepare for more rain. Average rainfall goes from 43 mm to 83 mm.It feels drier, as humidity decreases from 68% to 64%.The average wind speed doesn’t change much during May, staying around 2 m/s.The amount of sunny days stay about the same, averaging 5 sunny days during the month.
June brings much the same weather, it remains good.
Wind speed in Oslo in May based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Oslo is gradually increasing during May, going from 2 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during May in Oslo based on historical data.
Last Year
Historical Data
Typically, there is a 48% chance of rain on an average day in May, with total rainfall of approximately 48 mm. The maximum amount of rainfall per day is around 9 mm, which is considered light rain.May is a pretty wet month with over 15 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Oslo wettest month is October, where a typical day has a 29% chance of precipitation and 116 mm of rainfall per day. March, on the other hand, is the driest month with a mere 6% chance of precipitation and 26 mm of rainfall per day.
How was the weather last May in Oslo?
This is the weather in Oslo in May 2023:
1 May
☁️
+60°F
2 May
☀️
+59°F
3 May
☁️
+56°F
4 May
☁️
+56°F
5 May
☁️
+64°F
6 May
☀️
+66°F
7 May
☀️
+60°F
8 May
☀️
+60°F
9 May
☁️
+64°F
10 May
☁️
+53°F
11 May
☀️
+57°F
12 May
☀️
+61°F
13 May
☁️
+59°F
14 May
☀️
+63°F
15 May
☁️
+65°F
16 May
☁️
+65°F
17 May
☀️
+67°F
18 May
☀️
+63°F
19 May
☁️
+64°F
20 May
☁️
+67°F
21 May
🌧️
+54°F
22 May
☁️
+61°F
23 May
☁️
+63°F
24 May
☁️
+63°F
25 May
☁️
+62°F
26 May
🌧️
+61°F
27 May
☁️
+56°F
28 May
☁️
+64°F
29 May
☁️
+57°F
30 May
☁️
+61°F
31 May
☁️
+64°F
In May 2023 Oslo had 9 sunny days, 20 cloudy days, and 2 rainy days. The average maximum temperature was +61°F, with an absolute maximum of +68°F and a minimum of +54°F. The average humidity was 31%, with a maximum of 97% and a minimum of 1%. The average wind speed was 2 m/s, with a maximum of 6 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change Over the Years
This is how Oslo climate has changed over the last 43 years.
The climate in Oslo in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1996 (+57°F) and the highest in 2018 (+74°F). The driest year was 1994 with only 1 mm of rainfall, and the wettest year was 2020 with 288 mm.
FAQ
Frequently asked questions about the weather in Oslo in May:
Is May a good time to visit Oslo?
May is a really good time to go to Oslo. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Oslo.
Can you sunbathe in Oslo in May?
May has mild temperatures in Oslo. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is Oslo rainy in May?
Oslo is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Oslo in May?
Usually, it’s not very sunny in Oslo in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Oslo, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.