Climate Insights for Björlanda

The climate in Björlanda is cool. The average annual temperature is 9°C and approximately 955mm of precipitation falls per year. Björlanda receives a notable amount of rainfall throughout the year, including during its driest month. Björlanda is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, January, March, when temperatures can drop to 1°C. Light snow can occur between January and December.

Björlanda sees moderate temperature variation throughout the year, ranging from 1°C to 19°C. August is the warmest month, though highs remain moderate at 19°C with a mean of 17°C. February is the coolest month, with minimum temperatures around 1°C and an average of 2°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.

Björlanda is a moderately rainy area, receiving approximately 955mm of precipitation annually, which averages out to around 80mm per month. The wettest month is October, averaging 112mm of rainfall. August and September also tend to see above-average precipitation. The driest month is May, with just 39mm. That's 73mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Light snowfall can occur between January and December, totalling around 46cm annually. January is the snowiest month with approximately 14cm.

Björlanda is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently spring in Björlanda, which began on March 20, 2026. Björlanda is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 19°C, while the coldest stretch bottoms out in February near 1°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Björlanda is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 77mm per month. By contrast, August can be uncomfortably hot with highs reaching 19°C, while February is the coldest period with lows dropping to 1°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Björlanda based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.