Tananger climate — normals and trends
Tananger (Norway) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.2 °C and it receives 1,800 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is August (14.8 °C on average) and the coldest is February (2.5 °C). Rainfall peaks in October.
Tananger averages 28 frost days, 0 hot days (≥ 30 °C) and 199 rainy days per year.
Tananger has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 43 to 13 per year over the period.
The hottest day of the period reached 25.5 °C (on 28 July 2019) and the coldest -13.9 °C (on 25 January 1942).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
TanangerRogaland
- coords
- 58.94°, 5.57°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.2°C
Average daily high
9.3°C
Average daily low
7.1°C
Annual rainfall
1,800mm
Sunshine / day
7.7h
Mean relative humidity
81%
Average peak wind
31.1km/h
Seasonal range
12.3°C
Frost days (< 0 °C)
28 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
199 d/yr
Annual snowfall
46.2 cm
Average feels-like high
5.7 °C
Average feels-like low
2.3 °C
Average peak gust
43.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.33 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
25.5 °C
28 July 2019
Coldest day
-13.9 °C
25 January 1942
Wettest day
98 mm
4 September 1990
Windiest day
92.1 km/h
22 September 1969
Strongest gust
141.5 km/h
5 December 2013
Hottest feels-like
26.7 °C
10 August 2004
Coldest feels-like
-22.8 °C
25 January 1942
Snowiest day
23.8 cm
4 January 1968
Sunniest day
17.4 h
20 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 4.9 °C | +0.8 °C | 145 mm | -15 mm |
| Feb | 5.0 °C | +1.4 °C | 96 mm | -28 mm |
| Mar | 6.5 °C | +1.9 °C | 117 mm | +2 mm |
| Apr | 8.9 °C | +2.1 °C | 33 mm | -55 mm |
| May | 11.1 °C | +0.9 °C | 78 mm | -5 mm |
| Jun | 13.6 °C | +0.7 °C | 124 mm | +33 mm |
| Jul | 17.6 °C | +2.5 °C | 98 mm | -14 mm |
| Aug | 16.1 °C | +0.2 °C | 165 mm | -4 mm |
| Sep | 15.4 °C | +1.3 °C | 305 mm | +88 mm |
| Oct | 12.2 °C | +1.1 °C | 205 mm | -28 mm |
| Nov | 9.1 °C | +1.3 °C | 239 mm | +28 mm |
| Dec | 8.5 °C | +2.8 °C | 310 mm | +111 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Tananger?
Tananger has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.2 °C and it receives 1,800 mm of precipitation per year.
What is the hottest day ever recorded in Tananger?
The hottest day measured in Tananger between 1940 and 2025 was 28 July 2019, reaching 25.5 °C.
What is the coldest day in Tananger?
The coldest day measured in Tananger between 1940 and 2025 was 25 January 1942, at -13.9 °C.
Does it snow in Tananger?
Yes. Tananger gets on average 46.2 cm of snow per year and has around 28 frost days.
Has the climate of Tananger warmed?
Yes: Tananger warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tananger?
The wettest day measured in Tananger between 1940 and 2025 was 4 September 1990, with 98 mm of rain in 24 hours.
What was the windiest day in Tananger?
The windiest day measured in Tananger between 1940 and 2025 was 22 September 1969, with winds reaching 92.1 km/h.
What is the warmest month in Tananger?
The warmest month in Tananger is August (14.8 °C on average); the coldest is February (2.5 °C).
How much does it rain in Tananger?
Tananger receives on average 1,800 mm of precipitation per year, spread over about 199 rainy days.
Is it sunny in Tananger?
Tananger gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tananger?
The heaviest 24-hour snowfall measured in Tananger between 1940 and 2025 was 4 January 1968, with 23.8 cm.
Are there tropical nights in Tananger?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Tananger.
What was the most extreme apparent temperature in Tananger?
In Tananger, between 1940 and 2025, the highest apparent temperature reached 26.7 °C on 10 August 2004, and the lowest was -22.8 °C on 25 January 1942.
Compare Tananger with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tananger