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Sarpsborg, Norway climate
Cfb Oceanic / temperate
Sarpsborg has a seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 22°C, while the coldest is January averaging around −4°C at night. Around 894 mm of precipitation falls each year, peaking in October (109 mm) and easing off in March (44 mm). At latitude 59°N, day length swings from 5.8 hours in midwinter to 18.2 hours at midsummer.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Sarpsborg climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 1 | 1 | 5 | 11 | 16 | 20 | 22 | 21 | 16 | 10 | 6 | 2 |
| Avg temp (°C) | −1 | −1 | 2 | 7 | 12 | 16 | 18 | 17 | 13 | 8 | 3 | 0 |
| Avg low (°C) | −4 | −4 | −2 | 2 | 7 | 11 | 14 | 13 | 9 | 5 | 1 | −3 |
| Precipitation (mm) | 75 | 54 | 44 | 49 | 56 | 66 | 72 | 93 | 84 | 109 | 102 | 89 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 1 | 1 | 5 | 11 | 16 | 20 |
| Avg temp (°C) | −1 | −1 | 2 | 7 | 12 | 16 |
| Avg low (°C) | −4 | −4 | −2 | 2 | 7 | 11 |
| Precipitation (mm) | 75 | 54 | 44 | 49 | 56 | 66 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 21 | 16 | 10 | 6 | 2 |
| Avg temp (°C) | 18 | 17 | 13 | 8 | 3 | 0 |
| Avg low (°C) | 14 | 13 | 9 | 5 | 1 | −3 |
| Precipitation (mm) | 72 | 93 | 84 | 109 | 102 | 89 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 13 | 11 | 9 | 9 | 10 | 10 | 11 | 13 | 11 | 14 | 15 | 14 |
| Days with high ≥ 32°C (days) | — | — | — | — | — | — | 0.2 | — | — | — | — | — |
| Days with low ≤ 0°C (days) | 20 | 20 | 18 | 7 | 0.4 | — | — | — | 0.2 | 4 | 12 | 19 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 13 | 11 | 9 | 9 | 10 | 10 |
| Days with high ≥ 32°C (days) | — | — | — | — | — | — |
| Days with low ≤ 0°C (days) | 20 | 20 | 18 | 7 | 0.4 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 13 | 11 | 14 | 15 | 14 |
| Days with high ≥ 32°C (days) | 0.2 | — | — | — | — | — |
| Days with low ≤ 0°C (days) | — | — | 0.2 | 4 | 12 | 19 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 75 | 69 | 68 | 65 | 67 | 68 | 68 | 70 | 73 | 76 | 76 |
| Relative humidity (%) | 97 | 96 | 90 | 83 | 79 | 79 | 81 | 84 | 87 | 92 | 96 | 97 |
| Wind speed (mph) | 1.4 | 1.3 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.5 | 1.6 | 1.5 | 1.4 | 1.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 75 | 69 | 68 | 65 | 67 |
| Relative humidity (%) | 97 | 96 | 90 | 83 | 79 | 79 |
| Wind speed (mph) | 1.4 | 1.3 | 1.4 | 1.4 | 1.4 | 1.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 68 | 70 | 73 | 76 | 76 |
| Relative humidity (%) | 81 | 84 | 87 | 92 | 96 | 97 |
| Wind speed (mph) | 1.4 | 1.5 | 1.6 | 1.5 | 1.4 | 1.3 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 26 years of daily observations at Sarpsborg, a weather station, inside the city. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.