Norway Oslo Weather in June — Climate Guide
June in Oslo is very-high
Oslo Weather in June — Quick Answer
As of 2026- Avg temp
- 20° / 10°
- Rainfall
- 70mm · 10 days
- Crowds
- Very busy
As of 2026, Oslo in June averages a high of 20°C and low of 10°C with 70mm of rain over about 10 days. Summer ideal — t-shirt + light jacket evening. Midnight sun peak — sun barely sets (22:50 sunset, civil twilight all night). Pack eye mask if sensitive sleeper.
June is very-high for Oslo.
June is Oslo's canonical sweet-spot month — high 20°C / 68°F, low 10°C / 50°F. Daylight at maximum — 18-19 hours, with civil twilight all night (technical 'midnight sun' but Oslo is far enough south that the sun still technically sets briefly).
The summer solstice June 21 + Sankthansaften June 23 (St. John's Eve, the canonical Norwegian summer celebration with bonfires along the coast). Norwegians flood out to summer cabins. Oslo + the fjord still very accessible to tourists.
Travel score
Oslo June Weather Stats
Avg High
20°C
Avg Low
10°C
Rainy Days
10
70mm total
Sunshine
9h
Daily avg
Humidity
65%
moderate
UV Index
6
High
Wind
9 km/h
Gusts 25
Sea Temp
12°C
swimming chilly
Crowds
Very busy
At attractions
June Sunrise & Sunset
Air Quality
PM2.5
6 μg/m³
PM10
14 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
21°C
Nighttime
10°C
Humidity and wind affect how the actual temperature feels.
Wind
9 km/h
Max gust 25 km/h
Activities Recommended for June
June Travel Pros & Cons
Pros
- Midnight sun peak — civil twilight all night
- Sankthansaften bonfires summer solstice
- Oslofjord cruise season peak
- Outdoor cafe culture peak
- Pride Oslo + Norwegian Wood Festival
Cons
- Hotels at sustained peak
- Long daylight requires eye mask
- Crowds at peak attractions
- Sankthansaften domestic-vacation departures
June Events & Festivals
- Sankthansaften St. John's Eve bonfires (June 23, summer solstice traditional)
- Norwegian Wood Festival (mid-June, indie music)
- Pride Oslo (late June, Norway's biggest pride parade)
Oslo in June — Full Picture
June is Oslo's canonical sweet-spot month — high 20°C / 68°F, low 10°C / 50°F. Daylight at maximum — 18-19 hours, with civil twilight all night (technical 'midnight sun' but Oslo is far enough south that the sun still technically sets briefly).
The summer solstice June 21 + Sankthansaften June 23 (St. John's Eve, the canonical Norwegian summer celebration with bonfires along the coast). Norwegians flood out to summer cabins. Oslo + the fjord still very accessible to tourists.
Oslofjord cruise season at peak — the Premium Silent Boat 2-hour electric tour ($63) is the canonical Oslofjord experience. Outdoor seating at Aker Brygge + Sørenga floating sauna + Tjuvholmen rooftop bars.
Vigeland Park bloom + Frogner Park outdoor concerts. Norwegian Wood Festival (mid-June at Frogner Park, $80-180 day ticket) — indie + folk music in the park. Pride Oslo late June (Norway's biggest pride parade).
Hotel pricing at sustained high — book 3-4 months ahead. Pack eye mask if sensitive sleeper (sunset 22:50, sunrise 04:00). The most-Norwegian visit-Oslo month.
What to Wear & What to Pack
Summer ideal — t-shirt + light jacket evening. Midnight sun peak — sun barely sets (22:50 sunset, civil twilight all night). Pack eye mask if sensitive sleeper.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
9.3°C
1.3°C
8.7/mo
Summer (Jun·Jul·Aug)
Current21.7°C
11.7°C
10.7/mo
Autumn (Sep·Oct·Nov)
11°C
4°C
11.3/mo
Winter (Dec·Jan·Feb)
-1°C
-6°C
8.7/mo
Oslo Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| -2° | -7° | 9d·50mm | 1h | 80% | 0 | Quiet | Low season | |
| -1° | -7° | 7d·40mm | 2h | 78% | 1 | Quiet | Low season | |
| 3° | -3° | 8d·50mm | 4h | 75% | 2 | Moderate | Shoulder | |
| 9° | 1° | 9d·50mm | 6h | 70% | 3 | Moderate | Shoulder | |
| May (Best) | 16° | 6° | 9d·60mm | 8h | 65% | 5 | Very busy | Peak |
| June (Best) | 20° | 10° | 10d·70mm | 9h | 65% | 6 | Very busy | Peak |
| July (Best) | 23° | 13° | 11d·80mm | 9h | 65% | 6 | Very busy | Peak |
| August (Best) | 22° | 12° | 11d·90mm | 7h | 70% | 5 | Very busy | Peak |
| 17° | 8° | 11d·90mm | 5h | 75% | 3 | Busy | Shoulder | |
| 11° | 4° | 12d·100mm | 3h | 80% | 2 | Moderate | Shoulder | |
| 5° | 0° | 11d·80mm | 1h | 80% | 1 | Quiet | Low season | |
| 0° | -4° | 10d·60mm | 1h | 82% | 0 | Busy | Peak |
View Other Months
Oslo June Hotel Picks
Frequently Asked Questions
Is June a good time to visit Oslo?
Oslo in June is very-high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Oslo in June?
Oslo June averages a high of 20°C and a low of 10°C.
Does it rain much in Oslo in June?
Oslo June averages 70mm of rainfall over about 10 rainy days.
What should I wear in Oslo in June?
Summer ideal — t-shirt + light jacket evening. Midnight sun peak — sun barely sets (22:50 sunset, civil twilight all night). Pack eye mask if sensitive sleeper.
What time are sunrise and sunset in Oslo in June?
Oslo June sunrise is 04:00 and sunset is 22:50, with 18h 50m of daylight.
What's the air quality like in Oslo in June?
Oslo June air quality (AQI) averages 22, rated Good. PM2.5 averages 6μg/m³.
What activities are recommended in Oslo in June?
In June, Oslo is great for Oslofjord Premium Silent Boat cruise $63, Sankthansaften bonfire June 23, Vigeland Park bloom evening walk midnight sun.
Is June peak season in Oslo?
Oslo June crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Oslo
View Other Months
Planning a June trip to Oslo?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.