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Visby, Sweden climate
Cfb Oceanic / temperate
Visby 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 February averaging around −3°C at night. Around 526 mm of precipitation falls each year, peaking in July (63 mm) and easing off in April (25 mm). At latitude 58°N, day length swings from 6.3 hours in midwinter to 17.7 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)Visby climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 2 | 2 | 4 | 10 | 15 | 19 | 22 | 21 | 17 | 11 | 6 | 4 |
| Avg temp (°C) | 0 | 0 | 1 | 6 | 10 | 14 | 17 | 17 | 13 | 8 | 4 | 2 |
| Avg low (°C) | −2 | −3 | −2 | 1 | 5 | 10 | 13 | 13 | 10 | 6 | 2 | 0 |
| Precipitation (mm) | 40 | 32 | 26 | 25 | 30 | 41 | 63 | 56 | 49 | 54 | 54 | 55 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 2 | 2 | 4 | 10 | 15 | 19 |
| Avg temp (°C) | 0 | 0 | 1 | 6 | 10 | 14 |
| Avg low (°C) | −2 | −3 | −2 | 1 | 5 | 10 |
| Precipitation (mm) | 40 | 32 | 26 | 25 | 30 | 41 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 21 | 17 | 11 | 6 | 4 |
| Avg temp (°C) | 17 | 17 | 13 | 8 | 4 | 2 |
| Avg low (°C) | 13 | 13 | 10 | 6 | 2 | 0 |
| Precipitation (mm) | 63 | 56 | 49 | 54 | 54 | 55 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 15 | 13 | 11 | 9 | 9 | 10 | 9 | 11 | 11 | 15 | 16 | 17 |
| Days with high ≥ 32°C (days) | — | — | — | — | — | — | 0.1 | 0.0 | — | — | — | — |
| Days with low ≤ 0°C (days) | 21 | 20 | 20 | 11 | 2 | 0.0 | — | — | 0.3 | 3 | 8 | 15 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 15 | 13 | 11 | 9 | 9 | 10 |
| Days with high ≥ 32°C (days) | — | — | — | — | — | — |
| Days with low ≤ 0°C (days) | 21 | 20 | 20 | 11 | 2 | 0.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 11 | 11 | 15 | 16 | 17 |
| Days with high ≥ 32°C (days) | 0.1 | 0.0 | — | — | — | — |
| Days with low ≤ 0°C (days) | — | — | 0.3 | 3 | 8 | 15 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 83 | 80 | 73 | 65 | 56 | 57 | 57 | 61 | 67 | 77 | 85 | 85 |
| Relative humidity (%) | 88 | 87 | 85 | 83 | 82 | 80 | 79 | 80 | 82 | 85 | 88 | 88 |
| Wind speed (mph) | 9.6 | 8.9 | 7.4 | 5.7 | 4.8 | 5.3 | 5.6 | 6.6 | 7.9 | 8.8 | 9.0 | 9.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 83 | 80 | 73 | 65 | 56 | 57 |
| Relative humidity (%) | 88 | 87 | 85 | 83 | 82 | 80 |
| Wind speed (mph) | 9.6 | 8.9 | 7.4 | 5.7 | 4.8 | 5.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 61 | 67 | 77 | 85 | 85 |
| Relative humidity (%) | 79 | 80 | 82 | 85 | 88 | 88 |
| Wind speed (mph) | 5.6 | 6.6 | 7.9 | 8.8 | 9.0 | 9.5 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Visby_flygplats, a weather station, about 3 km from the city centre. 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.