Visby, on the Swedish island of Gotland, features a mild maritime climate with cool, pleasant summers and relatively mild, windy winters. The city experiences moderate rainfall year-round, significant seasonal daylight swings, and lush green landscapes. With long summer days and a lively festival season, Visby is a charming destination for history, culture, and outdoor activities.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Visby’s climate is shaped by its Baltic Sea location, resulting in four distinct seasons and moderate temperature swings. Summers (June–August) are cool to pleasantly warm, with average highs of 19–22°C and lows of 11–14°C. July is the warmest month, and heatwaves above 25°C are rare but possible. Summer brings long daylight hours – up to 18 hours in June – and up to 9–11 hours of sunshine daily. The Baltic Sea moderates temperature extremes, and the sea reaches 17–18°C in August, making swimming possible for the hardy. Summer is also the rainiest period, with July and August each receiving around 50–67 mm of rain, often in brief showers, and the city is at its most vibrant with festivals and outdoor events.
Winters (December–February) are chilly, damp, and windy, with average highs of 1–4°C and lows near or just below freezing. Snowfall is possible but rarely heavy or long-lasting, and rain or sleet is frequent. Days are short, with only 6–7 hours of daylight and 1–2 hours of sunshine. Spring (March–May) and autumn (September–November) are transitional, with rapidly changing weather, mild to cool temperatures (7–16°C), and moderate rainfall. Winds are generally moderate to strong year-round, especially in autumn and winter, averaging 20–25 km/h. Annual precipitation is about 530–620 mm, and humidity is high, supporting Visby’s lush parks and gardens. The city’s climate is milder than mainland Sweden, making it attractive for year-round visits.
| Average climate data for Visby, Sweden | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 2 | 2 | 4 | 8 | 12 | 17 | 20 | 19 | 16 | 10 | 7 | 4 | 20 |
| Average minimum temperature (°C) | -0 | -1 | 0 | 4 | 7 | 12 | 15 | 16 | 13 | 8 | 5 | 2 | -1 |
| Average precipitation (mm) | 27 | 25 | 24 | 13 | 21 | 30 | 41 | 34 | 32 | 36 | 34 | 34 | 350 |
| Average rainfall days (days) | 9 | 7 | 11 | 8 | 11 | 11 | 13 | 14 | 14 | 14 | 14 | 13 | 139 |
| Average snowfall (mm) | 62 | 59 | 35 | 11 | 3 | 0 | 0 | 0 | 0 | 1 | 11 | 53 | 236 |
| Average snowfall days (days) | 12 | 11 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 9 | 43 |
| Average relative humidity (%) | 83 | 83 | 81 | 76 | 76 | 75 | 77 | 76 | 79 | 79 | 84 | 84 | 79 |
| Average wind speed (km/h) | 24 | 22 | 21 | 18 | 17 | 17 | 17 | 17 | 21 | 23 | 22 | 26 | 21 |
| Average water temperature (°C) | 3 | 2 | 2 | 3 | 8 | 15 | 18 | 19 | 16 | 11 | 7 | 5 | 9 |
| Average daily daylight hours (h) | 7 | 9 | 11 | 14 | 16 | 18 | 17 | 15 | 12 | 10 | 8 | 6 | 12 |
| Average daily sunshine hours (h) | 2 | 3 | 5 | 9 | 9 | 11 | 10 | 10 | 8 | 4 | 3 | 3 | 6 |
| Average cloud coverage (%) | 71 | 69 | 53 | 39 | 36 | 33 | 33 | 32 | 40 | 55 | 65 | 69 | 50 |
| Average UV index | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 2 | 2 | 3 |
The best time to visit Visby is from June to August, when temperatures are mildest, days are longest, and the city is lively with festivals, outdoor dining, and the Medieval Week. This period offers the best conditions for sightseeing, cycling, and enjoying Gotland’s beaches and historic sites, with pleasant evenings and vibrant city life.
The least favourable time to visit Visby is from November to March, when temperatures are lowest, days are shortest, and frequent rain, wind, and overcast skies can limit outdoor activities. While winters are milder than much of Sweden, the damp and grey weather may not appeal to all travellers, though the town remains peaceful and atmospheric.
Visby has a mild maritime climate with cool, pleasant summers and relatively mild, windy winters. Rain falls year-round, and the city experiences long daylight hours in summer and short days in winter.
The best time to visit Visby is from June to August, when temperatures are mild, days are long, and the city hosts festivals and outdoor events. This is also the best period for swimming and sightseeing.
Snowfall occurs occasionally from December to March, but snow cover is usually brief. Winters are more often rainy and windy than snowy, and some years see little or no snow at all.
Visby receives moderate rainfall, averaging 530–620 mm annually. Rain falls throughout the year, with July and August being the wettest months and April the driest. Showers are usually brief.
Summer highs in Visby typically reach 19–22°C, with July being the warmest month. Heatwaves above 25°C are rare but possible, and nights remain cool and comfortable even in midsummer.
Pack layers for cool mornings and evenings, a rain jacket for frequent showers, and sun protection for summer. Even in summer, a jumper or light jacket is useful for cooler evenings or windy days.
Winds in Visby are generally moderate to strong, especially in autumn and winter. The city’s coastal location means breezy conditions are common, particularly outside summer.
The warmest month, with the highest average maximum temperature, is July (19.8 °C). The month with the lowest average maximum temperature is February (1.7 °C). Overall, the average maximum temperature over the whole year is 10 °C.
The month with the highest average minimum temperature is August (15.6 °C). The coldest month, with the lowest average minimum temperature, is February (-0.6 °C). Overall, the average minimum temperature over the whole year is 6.8 °C.
The month with the highest average water temperature is August (19 °C). The month with the lowest average water temperature is March (1.7 °C). Overall, the average water temperature over the whole year is 9 °C.
The wettest month, with the highest amount of precipitation, is July (41.4 mm). The driest month, with the least amount of precipitation, is April (13.2 mm). Over the whole year there are 350.3 mm of rainfall on average.
The month with the most days of rain is October (14.4 days). The month with the fewest days of rain is February (7.1 days). Over the whole year there are 139.2 days of rain on average.
The month with the most snowfall is January (62.2 mm). The months with the least snowfall are June, July, August and September (0 mm). Over the whole year there are 235.5 mm of snowfall on average.
The month with the most days of snowfall is January (12.5 days). The months with the fewest days of snowfall are July, August and September (0 days). Over the whole year there are 43.1 days of snowfall on average.
The month with the highest average relative humidity is December (84 %). The month with the lowest average relative humidity is June (74.7 %). The overall average relative humidity over the whole year is 79.5 %.
The windiest month, with the highest average wind speed, is December (25.5 km/h). The calmest month, with the lowest average wind speed, is May (16.8 km/h). The overall average wind speed over the whole year is 20.5 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is January (70.8 %). The month with the clearest skies, so the lowest cloud coverage, is August (31.6 %). Over the whole year there is an average cloud coverage of 49.6 %.
The month with the longest days, so the most daylight, is June (Average daylight: 18 h). The month with the shortest days, so the least daylight, is December (Average daylight: 6.1 h). Over the whole year there are 12 h of daylight per day on average.
The month with the most sunshine per day is June (Average sunshine: 11 h). The month with the least sunshine per day is January (Average sunshine: 2.1 h). Over the whole year there are 6.5 h of sunlight per day on average.
The months with the highest average UV index are June, July and August (UV index: 5). The months with the lowest average UV index are January and February (UV index: 1). Over the whole year the average UV index is 3.1.
