Climate and monthly weather forecastKällby, Sweden
Climate and monthly weather forecast
Weather in January
January, like December, in Källby, Sweden, is a wintry winter month, with temperature in the range of an average high of 0.4°C (32.7°F) and an average low of -2.8°C (27°F). In Källby, the lowest temperatures are generally noted in January, averaging a high of 0.4°C (32.7°F) and a low of -2.8°C (27°F). Weather in January »Weather in February
February, the last month of the winter in Källby, is another cold month, with temperature in the range of an average high of 0.6°C (33.1°F) and an average low of -3.2°C (26.2°F). February records an average high-temperature of a still cold 0.6°C (33.1°F), indicating a minor variation from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is still a cold month in Källby, Sweden, with an average temperature ranging between min -1°C (30.2°F) and max 4.2°C (39.6°F). March's arrival signals a modest temperature shift, moving from a wintry 0.6°C (33.1°F) in February to a still cold 4.2°C (39.6°F). Weather in March »Weather in April
April is a fresh spring month in Källby, Sweden, with an average temperature fluctuating between 3.3°C (37.9°F) and 10.4°C (50.7°F). Källby, Sweden, sees an increase in the average high-temperature with the arrival of April, moving from March's icy 4.2°C (39.6°F) to a fresh 10.4°C (50.7°F). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Källby, Sweden, with an average temperature varying between 15.2°C (59.4°F) and 6.8°C (44.2°F). The beginning of May marks a minor shift in the average high-temperature, moving from April's cool 10.4°C (50.7°F) to a moderate 15.2°C (59.4°F). Weather in May »Weather in June
June, the first month of the summer in Källby, is an enjoyable month, with an average temperature fluctuating between 10.1°C (50.2°F) and 18.3°C (64.9°F). June's onset brings a subtle temperature rise, moving from a moderate 15.2°C (59.4°F) in May to an enjoyable 18.3°C (64.9°F). Weather in June »Weather in July
July is a pleasant summer month in Källby, Sweden, with an average temperature fluctuating between 12.6°C (54.7°F) and 20.6°C (69.1°F). In Källby, July is identified by the highest average temperatures, reaching a peak of 20.6°C (69.1°F) and a low of 12.6°C (54.7°F). Weather in July »Weather in August
August, the last month of the summer in Källby, is another refreshing month, with an average temperature fluctuating between 19.8°C (67.6°F) and 12.3°C (54.1°F). Källby registers an average high-temperature of a comfortable 19.8°C (67.6°F) with the arrival of August, showing minor deviation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Källby, is also a moderate month, with an average temperature varying between 9.7°C (49.5°F) and 15.8°C (60.4°F). September ushers in a minute temperature change, with average high-temperatures reducing from August's enjoyable 19.8°C (67.6°F) to a mild 15.8°C (60.4°F). Weather in September »Weather in October
October, like September, in Källby, Sweden, is another fresh autumn month, with temperature in the range of an average high of 10.2°C (50.4°F) and an average low of 5.7°C (42.3°F). October weather is marked by a drop in the average high-temperature, falling from a mild 15.8°C (60.4°F) in September to a cool 10.2°C (50.4°F). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in Källby, Sweden, with an average temperature fluctuating between 5.5°C (41.9°F) and 2.5°C (36.5°F). The advent of November brings a slight shift in average high-temperature, moving from a fresh 10.2°C (50.4°F) in October to a wintry 5.5°C (41.9°F). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Källby, Sweden, with temperature in the range of an average low of -1.2°C (29.8°F) and an average high of 2.1°C (35.8°F). The arrival of December corresponds with a light shift in temperature, down from a cold 5.5°C (41.9°F) in November to a still icy 2.1°C (35.8°F). Weather in December »Updated: Feb 1, 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
Källby notes the coldest temperatures in January, with a average high of 0.4°C (32.7°F) and a low of -2.8°C (27°F).
January, February and December, with an average relative humidity of 88%, are most humid months in Källby.
In Källby, during the entire year, the rain falls for 152.6 days and collects up to 462mm (18.19") of precipitation.
Months with snowfall are January through May, October through December.
January is the month with the most snowfall. Snow falls for 11.2 days and accumulates 94mm (3.7") of snow.
In Källby, Sweden, during the entire year, snow falls for 46.2 days and aggregates up to 378mm (14.88") of snow.
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Källby, Sweden.
The months with the least sunshine are February and December, with an average of 3.2h of sunshine.
With an average relative humidity of 71%, April is the least humid month.
The month with the least rainfall is April, when the rain falls for 11.2 days and typically collects 18mm (0.71") of precipitation.
June is the month with the most rainfall. Rain falls for 16 days and accumulates 56mm (2.2") of precipitation.
June through September are months without snowfall.
June has the longest days of the year, with an average of 18h and 12min of daylight.
The month with the most sunshine in Källby is June, with an average of 11.3h of sunshine.
The months with the highest UV index in Källby, Sweden, are June and July, with an average maximum UV index of 5.
July is the month when Källby, Sweden, experiences its warmest temperatures, averaging a high of 20.6°C (69.1°F) and a low of 12.6°C (54.7°F).
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Källby, Sweden, 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.
With an average of 6h and 30min of daylight, December has the shortest days of the year in Källby.
Average temperature
Källby, Sweden
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (0.4°C).
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is February (-3.2°C).
Average pressure
Källby, Sweden
- Average pressure in January:
1011.4mbar - Average pressure in February:
1011.6mbar - Average pressure in March:
1012.5mbar - Average pressure in April:
1014.4mbar - Average pressure in May:
1014.4mbar - Average pressure in June:
1012.6mbar
- Average pressure in July:
1011.3mbar - Average pressure in August:
1012.5mbar - Average pressure in September:
1013.6mbar - Average pressure in October:
1014.1mbar - Average pressure in November:
1010.5mbar - Average pressure in December:
1008.5mbar
The months with the highest atmospheric pressure are April and May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed
Källby, Sweden
- Average wind speed in January:
17.7km/h - Average wind speed in February:
16.6km/h - Average wind speed in March:
16.2km/h - Average wind speed in April:
14.9km/h - Average wind speed in May:
13.7km/h - Average wind speed in June:
13.1km/h
- Average wind speed in July:
12.9km/h - Average wind speed in August:
13.3km/h - Average wind speed in September:
15km/h - Average wind speed in October:
16.6km/h - Average wind speed in November:
17.2km/h - Average wind speed in December:
18.2km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity
Källby, Sweden
The months with the highest relative humidity are January, February and December (88%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Källby, Sweden
The wettest month (with the highest rainfall) is June (56mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days
Källby, Sweden
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
14.6 days - Average rainfall days in November:
12.4 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is February (7.1 days).
Average snowfall
Källby, Sweden
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Källby, Sweden
- Average snowfall days in January:
11.2 days - Average snowfall days in February:
11.8 days - Average snowfall days in March:
7.2 days - Average snowfall days in April:
2.1 days - Average snowfall days in May:
0.4 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:
0.7 days - Average snowfall days in November:
3.3 days - Average snowfall days in December:
9.5 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Källby, Sweden
- Average daylight in January:
7h and 12min - Average daylight in February:
9h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 30min - Average daylight in May:
16h and 48min - Average daylight in June:
18h and 12min
- Average daylight in July:
17h and 30min - Average daylight in August:
15h and 18min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 12min - Average daylight in November:
7h and 48min - Average daylight in December:
6h and 30min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in January:
3h and 18min - Average sunshine in February:
3h and 12min - Average sunshine in March:
5h and 18min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 42min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
8h and 54min - Average sunshine in September:
7h and 36min - Average sunshine in October:
4h and 12min - Average sunshine in November:
3h and 30min - Average sunshine in December:
3h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days
Källby, Sweden
- Average sunshine days in January:
11.9 days - Average sunshine days in February:
10.5 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
15.2 days - Average sunshine days in May:
14 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
12.7 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
13.2 days - Average sunshine days in November:
11.4 days - Average sunshine days in December:
10.6 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (10.5 days).
Average UV index
Källby, 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
Källby, Sweden
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 42).
Average visibility
Källby, Sweden
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).
