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Härnösand, Sweden climate
Dfb Warm-summer humid continental
Härnösand has a seasonal cold-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 69°F, while the coldest is February averaging around 17°F at night. Around 29 inches of precipitation falls each year, peaking in November (3.3 inches) and easing off in February (1.6 inches). At latitude 63°N, day length swings from 4.5 hours in midwinter to 19.5 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)Härnösand climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 30 | 31 | 37 | 46 | 55 | 64 | 69 | 67 | 58 | 47 | 38 | 33 |
| Avg temp (°F) | 24 | 24 | 30 | 38 | 47 | 56 | 62 | 60 | 52 | 41 | 33 | 27 |
| Avg low (°F) | 19 | 17 | 23 | 30 | 39 | 48 | 54 | 52 | 45 | 35 | 28 | 22 |
| Precipitation (in) | 2.6 | 1.6 | 1.6 | 1.6 | 1.9 | 1.9 | 2.9 | 3.1 | 2.7 | 3.3 | 3.3 | 2.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 30 | 31 | 37 | 46 | 55 | 64 |
| Avg temp (°F) | 24 | 24 | 30 | 38 | 47 | 56 |
| Avg low (°F) | 19 | 17 | 23 | 30 | 39 | 48 |
| Precipitation (in) | 2.6 | 1.6 | 1.6 | 1.6 | 1.9 | 1.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 69 | 67 | 58 | 47 | 38 | 33 |
| Avg temp (°F) | 62 | 60 | 52 | 41 | 33 | 27 |
| Avg low (°F) | 54 | 52 | 45 | 35 | 28 | 22 |
| Precipitation (in) | 2.9 | 3.1 | 2.7 | 3.3 | 3.3 | 2.8 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 12 | 11 | 9 | 11 | 11 | 12 | 12 | 13 | 14 | 16 | 15 |
| Days with high ≥ 90°F (days) | — | — | — | — | — | — | 0.1 | — | — | — | — | — |
| Days with low ≤ 32°F (days) | 28 | 26 | 27 | 19 | 4 | 0.0 | — | — | 1 | 10 | 20 | 26 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 12 | 11 | 9 | 11 | 11 |
| Days with high ≥ 90°F (days) | — | — | — | — | — | — |
| Days with low ≤ 32°F (days) | 28 | 26 | 27 | 19 | 4 | 0.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 12 | 12 | 13 | 14 | 16 | 15 |
| Days with high ≥ 90°F (days) | 0.1 | — | — | — | — | — |
| Days with low ≤ 32°F (days) | — | — | 1 | 10 | 20 | 26 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 70 | 64 | 64 | 67 | 66 | 67 | 66 | 67 | 69 | 71 | 70 |
| Relative humidity (%) | 93 | 93 | 90 | 85 | 83 | 82 | 84 | 84 | 85 | 88 | 90 | 92 |
| Wind speed (mph) | 9.1 | 8.2 | 7.2 | 6.1 | 5.3 | 5.4 | 5.7 | 6.5 | 7.6 | 8.5 | 8.8 | 9.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 70 | 64 | 64 | 67 | 66 |
| Relative humidity (%) | 93 | 93 | 90 | 85 | 83 | 82 |
| Wind speed (mph) | 9.1 | 8.2 | 7.2 | 6.1 | 5.3 | 5.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 67 | 66 | 67 | 69 | 71 | 70 |
| Relative humidity (%) | 84 | 84 | 85 | 88 | 90 | 92 |
| Wind speed (mph) | 5.7 | 6.5 | 7.6 | 8.5 | 8.8 | 9.1 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Harnosand, 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.