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Boo Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Boo.
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Climate overview of Boo
Boo, in Stockholm County, Sweden, experiences a humid continental climate with significant seasonal temperature variation. The area has pleasant summers and very cold winters with the region receiving moderate precipitation fairly well distributed throughout the year, including substantial snowfall during the winter months.
This area attracts tourists with its beautiful archipelago setting and proximity to Stockholm's islands. Let's now guide you through the climate details for a complete overview on the best time to visit.
Boo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Boo - and find the best time to visit.
Monthly Temperature in Boo
The climate in Boo is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a pleasant 21°C (70°F) in July to a very cold 2°C (36°F) in February.
Nighttime temperatures range from 14°C (57°F) in July to -3°C (27°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Boo
Generally, Boo receives mid-range precipitation levels, with 652 mm (26 in) annually. The amount of precipitation varies moderately throughout the year. The wettest month, August, sees around 72 mm (2.8 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, March, still receives a respectable 36 mm (1.4 in) of snow/rainfall. For more details, please visit our Boo Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Boo
In Boo, summer days are longer and more sunny, with daily sunshine hours peaking at 9.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.1 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Stockholm, Sweden (17 KM, 11 Miles).
Daily hours of sunshine
Data from: Stockholm, Sweden (17 KM, 11 Miles).
Water Temperature in Boo
The mean water temperature over the year ranges from 1°C (34°F) in March to 19°C (66°F) in August.
Water temperature over the year
Data from: Stockholm, Sweden (17 KM, 11 Miles).
Humidity in Boo by Month
The relative humidity is high throughout the year in Boo.
The city experiences its highest humidity in November, reaching 87%. In May, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Stockholm, Sweden (17 KM, 11 Miles).
Wind Speed in Boo
The mean wind speed varies between 3 m/s (6 knots) and 4 m/s (8 knots) throughout the year. It is lowest in January, February, March, April, July, August, September, November and December and highest during May, June and October. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Stockholm, Sweden (17 KM, 11 Miles).
Best Time to Visit Boo
Conditions in Boo are generally most comfortable in July and August. They are typically least comfortable in January, February, March, April, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
cold
Apr
cold
May
mixed
Jun
very good
Jul
excellent
Aug
excellent
Sep
good
Oct
mixed
Nov
cold
Dec
cold
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: May, June and July
- Fewest rainy days: April, May and June
- Warmest water temperature: August, although the water may still feel cool.
- Seasonal pattern: A distinct dry season from March to April, with pleasant summers and very cold winters
- Coldest conditions: February, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Boo
What is the best time to visit Boo?
July and August typically offer the most optimal weather in Boo. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Boo has a distinct dry season from March to April, with pleasant summers and very cold winters.
What temperatures can I expect in Boo?
Daytime highs range from 2°C (36°F) in February to 21°C (70°F) in July. Nighttime lows range from -3°C (27°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Boo get?
Annual rainfall is around 652 mm (26 in). August is the wettest month with 72 mm (2.8 in), while March is the driest with 36 mm (1.4 in).
How sunny is Boo?
Boo receives around 1,917 hours of sunshine per year. July is the sunniest month with 283 hours, while December is the cloudiest with just 32 hours.
Boo 3-Day Forecast
Boo on the map
Boo is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
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