🔎 Weather for a date or period
Actual day-by-day weather for the selected period (ERA5). Up to 1 year.
📆 On this day before
Data for previous years is being prepared.
🏆 Hottest and coldest day in Oslo (over the full observation series)
+33°
Hottest day
July 27, 2018
-28°
Coldest day
January 8, 1982
🗓 Monthly climate in Oslo
| Month | Day | Night | Precip |
|---|---|---|---|
| January | 0° | -5° | 73 mm |
| February | +2° | -4° | 60 mm |
| March | +5° | -2° | 58 mm |
| April | +11° | +2° | 50 mm |
| May | +17° | +7° | 78 mm |
| June | +21° | +12° | 86 mm |
| July | +22° | +14° | 112 mm |
| August | +20° | +13° | 94 mm |
| September | +17° | +10° | 101 mm |
| October | +10° | +5° | 83 mm |
| November | +5° | +1° | 80 mm |
| December | +1° | -3° | 67 mm |
🕰 Weather in Oslo August 18 in past years
+29°
Heat record · 1995
+8°
Cold record · 1993
📜
This day in history. The hottest August 18 in Oslo was in 1995 (+29°), the coldest in 1993 (+8°). 86 years of observations. Normal for August: day +20°, night +13°.
📒 For school and home
Weather diary
ready-made observation table for a month — for school
Weather for the month
August calendar: forecast + climate normal
Air quality
AQI 30 — good
FAQ about the weather archive in Oslo ❓
What was the weather in Oslo on a specific date?
Pick a date or range in the form above — we show actual day-by-day weather (ERA5 reanalysis, up to a year back). For today’s date in past years see “On this day before”.
Hottest and coldest day in the history in Oslo?
Heat record — +33° (July 27, 2018), cold record — -28° (January 8, 1982). Observations over the full available series.
What's the typical weather in Oslo in August?
On average +20° by day, +13° at night, precipitation about 94 mm (ERA5 climate normal).
Since what year is the weather archive in Oslo kept?
Climate normals and records come from the ERA5 reanalysis. Actual day-by-day weather is available for the last year.
Climate and weather archive in Oslo
Monthly climate normals in Oslo (average day and night temperatures, precipitation) are computed from the ERA5 reanalysis. The observation archive accrues from launch. Data: Open-Meteo (ERA5).