Oslo · May
Run in the morning.
Cool month: average high 60°F, low 44°F. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
60° / 44°F
Humidity
67%
Rain days
15/mo
Wind
10 mph
What May feels like in Oslo
Sunrise
04:38
Mid-month average
Sunset
21:48
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Oslo in May
The kit for May in Oslo: a long-sleeve or light jacket for the first mile, a water-resistant cap or jacket on standby.
May vs the surrounding months
vs April
+9° avg high
+4 rain days
Oslo in April →
May
60°F avg high
15 rain days
Best: morning
vs June
-9° avg high
+1 rain days
Oslo in June →
Frequently Asked Questions
What is the best time of day to run in Oslo in May?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Oslo in May?+
Average high 60°F, average low 44°F.
How does May compare to surrounding months in Oslo?+
Compared to April (avg high 51°F), May is warmer. Compared to June (avg high 69°F), May is cooler.
Does it rain often in Oslo in May?+
Expect about 15 measurable rain days in May, on average.