BestDateWeather
✈️ Plan my tripPlan trip
Oslo, Norway · Temperate oceanic

Oslo in May: go or not?

Good time. Oslo in May gets 7.3/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 59.91°N · 10.75°E
⚡ This month's verdict
Go for it
Oslo · May
7.3
8–17°
Temperature
32%
Rain
8h
Sun
🌊 Seaside☁️ Often cloudy🍴 Gastronomy
Photo : Oliver Cole via Unsplash
The month in detail

What to expect in May

Spring marks the start of the good season in Oslo. Temperatures rise (17°C) and tourists have not yet arrived en masse. Expect rain on 32% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. June (7.7/10) is significantly better if possible.

May ranks 4 out of 12 months in Oslo. Compared to April: +6°C daytime, 6 pts more rainy days, +2.0h of sun per day.

This month's conditions

What it's like in May

UV index
5 · moderate
protect during midday hours
Feels like
dry air
5°
Daylight
16.8h of daylight
Air quality
good
AQI 28
Compare

Is May the right month?

The best month in Oslo is June (7.7/10), 0.4 pt higher than May.

See June →See all 12 months →
Book

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

See all →
Affiliate link · GetYourGuide
Practical info

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

🗣️LanguageNorwegian
💶CurrencyNorwegian Krone (kr)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘVery expensive · 5/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trendData unavailable
🔥Hottest monthJune · 21°C
❄️Coolest monthJanuary · 1°C
🌧️Rainiest month ⓘJuly · 38%

🏖️ Beach holiday

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Location

Where is Oslo ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Norway
Temperate oceanic climate with a 7.7 → 0.7 gap between best and worst month. 10 years of ERA5 data to choose by project.
59.91°N · 10.75°E
Questions

Frequently asked questions

What is the best time to visit Oslo?
June is the best month with 21.0°C highs, 12.0°C lows, 8.0h of sunshine and 36.0% rainy days. The months of June & July offer comparable conditions.
How many hours of sunshine does Oslo get in June?
Oslo averages 8.0 sunshine hours per day in June. It is the sunniest month with a climate score of 7.2/10.
What is the rainiest month in Oslo?
December is the most unfavourable month with December has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Oslo in June?
In June, overnight lows reach 12.0°C, while afternoon highs average 21.0°C.
Is Oslo good in winter?
In winter (December-February), Oslo scores 0.8/10 on average — Difficult period — prefer the peak season.. The best month overall remains June with a score of 7.2/10.
When should you avoid Oslo?
December is the most difficult month to visit Oslo, with December has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Oslo in May?
The average UV index reaches 5 in May in Oslo (moderate), with about 16.8h of daylight. Protect during midday hours.