Oslo, Norway skyline

Oslo Weather in June

What June is usually like in Oslo, Norway — from 2006–2025 averages.

Expect Oslo to reach about 20°C (68°F) by day and 11.4°C (52.5°F) at night in June, with 12 rainy days bringing 94 mm and around 13.3 hours of sunshine each day.

Avg high

20°C (68°F)

Avg low

11.4°C (52.5°F)

Rainfall

94 mm (3.7 in)

Rainy days

12 days

Sunshine

13.3 h / day

Humidity

68%

June vs the rest of the year

June is warmer than 10 of the other 11 months, and the 3rd wettest month in Oslo.

MonthAvg highvs JuneRainRainy days
January-1.4°C (29.5°F)−21.4°C (−38.5°F)76 mm12
February-0.1°C (31.8°F)−20.1°C (−36.2°F)60 mm10
March4.5°C (40.1°F)−15.5°C (−27.9°F)53 mm8
April10.5°C (50.9°F)−9.5°C (−17.1°F)50 mm8
May15.9°C (60.6°F)−4.1°C (−7.4°F)79 mm12
June20°C (68°F)—94 mm12
July21.6°C (70.9°F)+1.6°C (+2.9°F)121 mm14
August19.7°C (67.5°F)−0.3°C (−0.5°F)114 mm15
September15.9°C (60.6°F)−4.1°C (−7.4°F)91 mm11
October9.5°C (49.1°F)−10.5°C (−18.9°F)92 mm12
November4.3°C (39.7°F)−15.7°C (−28.3°F)83 mm12
December0.2°C (32.4°F)−19.8°C (−35.6°F)71 mm12

What June feels like in Oslo

In Oslo, June brings early summer. Afternoons are mild and comfortable for most people in light layers. Once the sun goes down the air changes: nights are cool. The air is fairly humid, though at these temperatures it rarely feels oppressive.

Rain in Oslo in June

Expect a mix of dry and wet days, with rain about one day in 3. Each rainy day adds about 7.8 mm (0.3 in), a proper wetting rather than a sprinkle. That is close to Oslo's typical rain per wet day for the whole year (about 7.1 mm). It is among the three wettest months of the year.

Daylight and sunshine in June

On 15 June the sun rises at about 3:54 am and sets around 10:40 pm local time, giving 18 h 46 min of daylight. Since mid-May the day has gained 1 h 43 min. About 71% of daylight hours are sunny; in short, there are plenty of bright spells.

How June compares to the rest of the year

June is the 2nd warmest month of the year in Oslo. Against May, the average high is 4.1°C (7.4°F) higher, with 15 mm more rain. Temperatures keep climbing into July. By July, typical highs are 21.6°C (70.9°F).

Who June suits

  • Sightseeing: a good fit — daytime temperatures are fine for walking around.
  • Parks & outdoor: a good fit — pleasant for gardens, parks and riversides.
  • Beach: less ideal — too many rainy days.
  • Hiking: a good fit — mild temperatures for trails.

Tips for visiting Oslo in June

Versatile Layers

Days are noticeably warmer than nights — layers you can add or remove.

Rain Protection

Keep a small umbrella in your bag and wear shoes that cope with puddles.

Sunglasses

Bright days make sunglasses worth packing.

Quick questions

How warm is Oslo in June?

Expect around 20°C (68°F) in the afternoon and 11.4°C (52.5°F) at night, which most visitors would call mild.

Does it rain a lot in Oslo in June?

Quite a lot — 94 mm spread over about 12 days.

What should I wear in Oslo in June?

Based on the averages: versatile layers, rain protection and sunglasses. Bring something extra for the cooler evenings.

Is June or July better for visiting Oslo?

On our 12-month climate ranking, June comes out ahead (#1 of 12 vs #2). July is warmer and has more rainy days.

Is June a good time to visit Oslo?

Good

Good — comfortable temperatures, frequent rain (about 12 rainy days), plenty of sunshine (13.3 h a day). Within Oslo's own year, June ranks #1 of 12 — one of the 3 best months to visit.

June in other Norway cities

Warmer or drier places in June

Plan a trip to Oslo

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Oslo weather by month.