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Oslo, Norway · Temperate oceanic

Oslo: best months to visit

June (7.7/10) · November (0.7/10).

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 59.91°N · 10.75°E
⚡ Quick answer
June
Depends on your goals
7.7/10
☀️ Jun
Top score (7.7/10)
🌤️ Jul
Alt. (7.7/10)
Nov
Plus rude (0.7/10)
🌊 Seaside☁️ Often cloudy🍴 Gastronomy
Photo par Oliver Cole via Unsplash
Decide

When to visit Oslo?

The decision rests on several criteria. Climate score, tourist crowds and feasible activities.

Verdict: In Oslo, June and July clearly stand out. November concentrates the least favorable conditions.
Top & avoid
🏆 June · 7.7 July · 7.7 August · 7.5 May · 7.3 ⚠️ November · 0.7
0.8
Jan
0.9
Feb
4.0
Mar
4.3
Apr
7.3
May
7.7
Jun
7.7
Jul
7.5
Aug
4.4
Sep
4.1
Oct
0.7
Nov
0.8
Dec
Best period · ≥ 7 Decent period · 4 – 7 Tough conditions · < 4

What you grasp in 5 seconds

Oslo offers 4 comfortable months, with 4 months to avoid (January, February, November, December). The gap is sharp: 7.7 in June vs 0.7 in November.

What to check next

Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.

Next action

Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.

How we calculate the score

The score combines 4 weighted criteria using 10 years of real climate data (ERA5).

Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →

Understand

Compare all 12 months

Month-by-month details: temperature, rain, sunshine, score and verdict.

✅ 4 comfortable months (May · Jun · Jul · Aug)
MonthT° minT° maxRain %mm/daySunScoreVerdict
🌧️ January →23°F34°F32%2.3mm1.5h0.8/10Tough conditions
🌧️ February →27°F36°F32%2.0mm2.7h0.9/10Tough conditions
🌥️ March →28°F41°F26%1.7mm4.6h4.0/10Decent period
🌥️ April →36°F52°F26%1.7mm6.1h4.3/10Decent period
⛅ May →46°F63°F32%2.2mm8.1h7.3/10Best period
☀️ June →54°F70°F36%2.9mm8.0h7.7/10Best period
☀️ July →57°F70°F38%3.6mm7.8h7.7/10Best period
☀️ August →55°F68°F37%2.9mm6.7h7.5/10Best period
🌥️ September →50°F61°F35%3.0mm5.1h4.4/10Decent period
🌥️ October →41°F52°F37%3.0mm3.0h4.1/10Decent period
🌧️ November →34°F41°F35%2.7mm1.7h0.7/10Tough conditions
🌧️ December →28°F36°F34%2.2mm1.1h0.8/10Tough conditions
📊 Quick read
Optimal window
May → Aug
Good transition
Apr · Sep
Tough period
Jan · Feb · Nov · Dec
🌡️ Detailed conditions (June)
🌡️ Feel
Comfortable
☀️ UV
5.4 · Moderate
💧 Humidity feel
49°F · Dry
☔ Rain
36% · 2.9 mm/day
🌅 Sunshine
8.0h/day
Week by week

Oslo week by week: your odds of avoiding rain

For each week of the year: in how many years out of 10 it was mostly dry (at most 2 rainy days), 2016 to 2025.

Safest week: Apr 16 to Apr 22, mostly dry in 9 years out of 10 (1.2 rainy day(s) on average).

Most exposed: Jul 2 to Jul 8, mostly dry in 3 years out of 10 (3.4 rainy days on average).

Number = years out of 10 with at most 2 rainy days in the week. Source: ERA5 reanalysis (ECMWF) via Open-Meteo, daily data 2016-2025. Rainy day = at least 1 mm, as everywhere on the site.
JanJan 16/1030°FJan 85/1032°FJan 155/1030°FJan 225/1035°FJan 294/1032°F
FebFeb 57/1033°FFeb 126/1035°FFeb 194/1037°FFeb 266/1039°F
MarMar 56/1037°FMar 127/1041°FMar 198/1046°FMar 266/1046°F
AprApr 27/1048°FApr 97/1051°FApr 169/1056°FApr 235/1053°FApr 306/1056°F
MayMay 77/1060°FMay 147/1064°FMay 213/1065°FMay 285/1069°F
JunJun 45/1067°FJun 114/1070°FJun 184/1070°FJun 255/1073°F
JulJul 23/1069°FJul 93/1072°FJul 166/1073°FJul 234/1074°FJul 304/1070°F
AugAug 64/1069°FAug 136/1070°FAug 205/1067°FAug 278/1067°F
SepSep 34/1066°FSep 103/1063°FSep 179/1061°FSep 245/1058°F
OctOct 15/1054°FOct 86/1053°FOct 155/1049°FOct 224/1048°FOct 293/1046°F
NovNov 55/1043°FNov 126/1041°FNov 197/1038°FNov 264/1035°F
DecDec 36/1033°FDec 107/1033°FDec 175/1036°FDec 246/1034°F

A specific date? The app computes the same figure day by day.

10-year trend

Annual temperatures — Oslo

Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.

Annual data unavailable for this destination.
Tailor

For your trip

A few angles depending on what kind of trip you are planning.

🏖️ Beaches: Jun-Sept🌊 Swell: Sept-Mar🚤 Water activities
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 trip.

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 · 70°F
❄️Coolest monthJanuary · 34°F
🌧️Rainiest month ⓘJuly · 38%

🏖️ Beach trip

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

Related destinations & guides

If this destination doesn't fit your dates, here are alternatives and guides.

Location

Where is Oslo ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
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 70°F highs, 54°F 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 54°F, while afternoon highs average 70°F.
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.