Climate and monthly weather forecastAlster, Sweden
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Alster, Sweden, with temperature in the range of an average low of -3.2°C (26.2°F) and an average high of -0.3°C (31.5°F). January, with average temperatures reaching a high of -0.3°C (31.5°F) and a low of -3.2°C (26.2°F), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is an icy month in Alster, Sweden, with an average temperature ranging between min -3.8°C (25.2°F) and max 0°C (32°F). The unfolding of February shows an average high-temperature of an icy 0°C (32°F), indicating a slight variance from January's -0.3°C (31.5°F). Weather in February »Weather in March
March, the first month of the spring in Alster, is also an icy month, with temperature in the range of an average low of -1.3°C (29.7°F) and an average high of 3.5°C (38.3°F). The coming of March brings a minor shift in Alster's weather, with average high-temperatures adjusting from February's 0°C (32°F) to a still wintry 3.5°C (38.3°F). Weather in March »Weather in April
April is a frosty spring month in Alster, Sweden, with an average temperature fluctuating between 9.8°C (49.6°F) and 3.3°C (37.9°F). Alster's transition into April sees a rise in the average high-temperature, advancing from a cold 3.5°C (38.3°F) in March to a frosty 9.8°C (49.6°F). Weather in April »Weather in May
May, the last month of the spring in Alster, is a mild month, with an average temperature fluctuating between 14.8°C (58.6°F) and 7°C (44.6°F). May's arrival brings a change in high-temperatures, moving from a chilly 9.8°C (49.6°F) in April to a mild 14.8°C (58.6°F). Weather in May »Weather in June
June, the first month of the summer in Alster, is an enjoyable month, with an average temperature varying between 10.9°C (51.6°F) and 18.6°C (65.5°F). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a refreshing 14.8°C (58.6°F) in May to an enjoyable 18.6°C (65.5°F). Weather in June »Weather in July
July in Alster, Sweden, is a pleasant summer month, with an average temperature varying between 20.8°C (69.4°F) and 13.3°C (55.9°F). In Alster, July is the month with the highest recorded average temperatures, measuring a high of 20.8°C (69.4°F) and a low of 13.3°C (55.9°F). Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Alster, Sweden, with an average temperature ranging between min 13.2°C (55.8°F) and max 19.8°C (67.6°F). Alster indicates an average high-temperature of an enjoyable 19.8°C (67.6°F) in August, showing minor variation from July's 20.8°C (69.4°F). Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Alster, Sweden, with an average temperature varying between 10°C (50°F) and 15.6°C (60.1°F). As September arrives, Alster's weather displays a minor decrease in high-temperatures, transitioning from August's comfortable 19.8°C (67.6°F) to a still refreshing 15.6°C (60.1°F). Weather in September »Weather in October
October, the same as September, in Alster, Sweden, is a frosty autumn month, with an average temperature varying between 9.6°C (49.3°F) and 5.5°C (41.9°F). Transition into October marks a drop in the average high-temperature, moving from a moderate 15.6°C (60.1°F) in September to a frosty 9.6°C (49.3°F). Weather in October »Weather in November
November, the last month of the autumn in Alster, is also an icy month, with an average temperature fluctuating between 2.4°C (36.3°F) and 5.1°C (41.2°F). November's onset introduces a mild reduction in the average high-temperature, from a frosty 9.6°C (49.3°F) in October to a wintry 5.1°C (41.2°F). Weather in November »Weather in December
December, the first month of the winter in Alster, is also an icy month, with an average temperature fluctuating between 1.5°C (34.7°F) and -1.5°C (29.3°F). The transition to December results in a modest reduction in average high-temperature, moving from a cold 5.1°C (41.2°F) in November to a still wintry 1.5°C (34.7°F). Weather in December »Updated: Jul 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With average temperatures fluctuating between a high of -0.3°C (31.5°F) and a low of -3.2°C (26.2°F), January stands out as the coldest month.
In Alster, during the entire year, the rain falls for 151 days and collects up to 477mm (18.78") of precipitation.
Months with snowfall are January through May, October through December.
The month with the most snowfall is January, when snow falls for 12 days and typically aggregates up to 108mm (4.25") of snow.
In Alster, Sweden, during the entire year, snow falls for 47.6 days and aggregates up to 416mm (16.38") of snow.
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
February is the most humid month, with an average relative humidity of 88%.
The month with the least rainfall is April, when the rain falls for 10.2 days and typically collects 16mm (0.63") of precipitation.
The least humid month is May, with an average relative humidity of 69%.
In Alster, snow does not fall in June through September.
June has the longest days of the year, with an average of 18h and 30min of daylight.
With an average of 12.7h of sunshine, June has the most sunshine of the year.
The months with the highest UV index are June and July, with an average maximum UV index of 5.
July stands out as Alster's warmest month, with temperatures ranging between an average high of 20.8°C (69.4°F) and a low of 13.3°C (55.9°F).
July is the month with the most rainfall. Rain falls for 17.4 days and accumulates 57mm (2.24") of precipitation.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
December has the shortest days of the year, with an average of 6h and 12min of daylight.
The month with the least sunshine is December, with an average of 3.2h of sunshine.
Average temperature
Alster, Sweden
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-0.3°C).
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is February (-3.8°C).
Average pressure
Alster, Sweden
- Average pressure in January:
1011.3mbar - Average pressure in February:
1011.4mbar - Average pressure in March:
1012.1mbar - Average pressure in April:
1014.2mbar - Average pressure in May:
1014.2mbar - Average pressure in June:
1012.3mbar
- Average pressure in July:
1010.9mbar - Average pressure in August:
1012.1mbar - Average pressure in September:
1013.2mbar - Average pressure in October:
1014mbar - Average pressure in November:
1010.5mbar - Average pressure in December:
1008mbar
The months with the highest atmospheric pressure are April and May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed
Alster, Sweden
- Average wind speed in January:
16.2km/h - Average wind speed in February:
15km/h - Average wind speed in March:
14.7km/h - Average wind speed in April:
13.4km/h - Average wind speed in May:
12.9km/h - Average wind speed in June:
12.8km/h
- Average wind speed in July:
12.7km/h - Average wind speed in August:
13.4km/h - Average wind speed in September:
14.9km/h - Average wind speed in October:
16.2km/h - Average wind speed in November:
16.5km/h - Average wind speed in December:
16.7km/h
The windiest month (with the highest average wind speed) is December (16.7km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity
Alster, Sweden
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (69%).
Average rainfall
Alster, Sweden
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days
Alster, Sweden
- Average rainfall days in January:
7.1 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
9.5 days - Average rainfall days in April:
10.2 days - Average rainfall days in May:
15 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
17 days - Average rainfall days in September:
13.9 days - Average rainfall days in October:
14.7 days - Average rainfall days in November:
13.8 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and February (7.1 days).
Average snowfall
Alster, Sweden
The month with the highest snowfall is January (108mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Alster, Sweden
- Average snowfall days in January:
12 days - Average snowfall days in February:
11.9 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
1.9 days - Average snowfall days in May:
0.6 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.4 days - Average snowfall days in November:
4.6 days - Average snowfall days in December:
8.4 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Alster, Sweden
- Average daylight in January:
7h and 0min - Average daylight in February:
9h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 36min - Average daylight in May:
17h and 6min - Average daylight in June:
18h and 30min
- Average daylight in July:
17h and 48min - Average daylight in August:
15h and 30min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 12min - Average daylight in November:
7h and 42min - Average daylight in December:
6h and 12min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in January:
3h and 24min - Average sunshine in February:
3h and 24min - Average sunshine in March:
5h and 18min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 6min - Average sunshine in June:
12h and 42min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
9h and 24min - Average sunshine in September:
8h and 0min - Average sunshine in October:
4h and 30min - Average sunshine in November:
3h and 30min - Average sunshine in December:
3h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days
Alster, Sweden
- Average sunshine days in January:
13.3 days - Average sunshine days in February:
12 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
17.5 days - Average sunshine days in May:
14 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
12.7 days - Average sunshine days in November:
10.6 days - Average sunshine days in December:
13.1 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is November (10.6 days).
Average UV index
Alster, Sweden
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Alster, Sweden
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are June, July and August (Cloud cover 40).
Average visibility
Alster, Sweden
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (8km).
