Climate and monthly weather forecastRunnaby, Sweden

Climate and monthly weather forecast

Weather in January

January, like December, is a freezing cold winter month in Runnaby, Sweden, with an average temperature ranging between max -1.1°C (30°F) and min -4.5°C (23.9°F). January, on average, is the coldest month, registering a high temperature of -1.1°C (30°F) and a low of -4.5°C (23.9°F). Weather in January »

Weather in February

February, the last month of the winter in Runnaby, is also a subzero cold month, with an average temperature fluctuating between -0.2°C (31.6°F) and -4.5°C (23.9°F). With February's advent, Runnaby sees an average high-temperature of a still freezing cold -0.2°C (31.6°F), subtly shifted from January's -1.1°C (30°F). Weather in February »

Weather in March

March, the first month of the spring in Runnaby, is a cold month, with an average temperature fluctuating between -2.3°C (27.9°F) and 3.8°C (38.8°F). Runnaby's March weather indicates a minor increase in high-temperatures, edging from February's subzero cold -0.2°C (31.6°F) to an icy 3.8°C (38.8°F). Weather in March »

Weather in April

April in Runnaby, Sweden, is a fresh spring month, with an average temperature fluctuating between 10.5°C (50.9°F) and 2.1°C (35.8°F). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a wintry 3.8°C (38.8°F) to a fresh 10.5°C (50.9°F). Weather in April »

Weather in May

The last month of the spring, May, is a mild month in Runnaby, Sweden, with an average temperature fluctuating between 15.8°C (60.4°F) and 6°C (42.8°F). In Runnaby, the average high-temperature in May rises, from a fresh 10.5°C (50.9°F) in April, to a refreshing 15.8°C (60.4°F). Weather in May »

Weather in June

The first month of the summer, June, is a refreshing month in Runnaby, Sweden, with an average temperature ranging between min 9.8°C (49.6°F) and max 19.5°C (67.1°F). With the onset of June, Runnaby's weather sees a minor temperature rise, transitioning from a refreshing 15.8°C (60.4°F) in May to an enjoyable 19.5°C (67.1°F). Weather in June »

Weather in July

July is an agreeable summer month in Runnaby, Sweden, with an average temperature ranging between min 12.3°C (54.1°F) and max 21.8°C (71.2°F). July, having an average high-temperature of 21.8°C (71.2°F) and an average low-temperature of 12.3°C (54.1°F), is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another pleasant month in Runnaby, Sweden, with an average temperature fluctuating between 20.4°C (68.7°F) and 11.5°C (52.7°F). The transition from July to August brings an average high-temperature of a still pleasant 20.4°C (68.7°F), barely different from July's 21.8°C (71.2°F). Weather in August »

Weather in September

September, the first month of the autumn in Runnaby, is still a refreshing month, with an average temperature varying between 8.6°C (47.5°F) and 15.8°C (60.4°F). The shift from August to September coincides with a small decrease in the average high-temperature, down to a refreshing 15.8°C (60.4°F) from an agreeable 20.4°C (68.7°F). Weather in September »

Weather in October

October, the same as September, in Runnaby, Sweden, is a frosty autumn month, with an average temperature varying between 9.2°C (48.6°F) and 4.2°C (39.6°F). October comes with a decrease in the average high-temperature, falling from a refreshing 15.8°C (60.4°F) in September to a chilly 9.2°C (48.6°F). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Runnaby, Sweden, with an average temperature fluctuating between 4.2°C (39.6°F) and 1.1°C (34°F). November's arrival comes with a mild decrease in the average high-temperature, moving subtly from a frosty 9.2°C (48.6°F) in October to a wintry 4.2°C (39.6°F). Weather in November »

Weather in December

December, the first month of the winter in Runnaby, is also a wintry month, with an average temperature ranging between min -2.6°C (27.3°F) and max 0.7°C (33.3°F). The advent of December brings a subtle shift in temperature, with the average high moving from an icy 4.2°C (39.6°F) in November to a still cold 0.7°C (33.3°F). Weather in December »

Frequently asked questions

January is Runnaby's coldest month, registering average high temperatures of -1.1°C (30°F) and lows of -4.5°C (23.9°F).

January and February, with an average relative humidity of 91%, are most humid months.

Throughout the year, in Runnaby, there are 104.5 rainfall days, and 149mm (5.87") of precipitation is accumulated.

January through May, October through December are months with snowfall in Runnaby.

In Runnaby, Sweden, during the entire year, snow falls for 48.1 days and aggregates up to 162mm (6.38") of snow.

January and February, with an average maximum UV index of 1, are months with the lowest UV index in Runnaby, Sweden.

February has the least sunshine of the year, with an average of 2.9h of sunshine.

March is the month with the most snowfall. Snow falls for 7.7 days and accumulates 39mm (1.54") of snow.

April is the month with the least rainfall. Rain falls for 7.7 days and accumulates 6mm (0.24") of precipitation.

The least humid month is May, with an average relative humidity of 69%.

In Runnaby, Sweden, snow does not fall in June through September.

With an average of 18h and 30min of daylight, June has the longest days of the year in Runnaby, Sweden.

With an average of 12.2h of sunshine, June has the most sunshine of the year.

June and July, with an average maximum UV index of 5, are months with the highest UV index in Runnaby, Sweden.

The warmest period in Runnaby tends to be July, when average temperatures fluctuate between a high of 21.8°C (71.2°F) and a low of 12.3°C (54.1°F).

July is the month with the most rainfall. Rain falls for 13.6 days and accumulates 20mm (0.79") 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.

The month with the shortest days is December, with an average of 6h and 18min of daylight.

Average temperature
Runnaby, Sweden

The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-1.1°C).

The month with the highest average low temperature is July (12.3°C).
The coldest months (with the lowest average low temperature) are January and February (-4.5°C).

Average pressure
Runnaby, Sweden

The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).

Average wind speed
Runnaby, Sweden

The windiest month (with the highest average wind speed) is December (12.8km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).

Average humidity
Runnaby, Sweden

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (69%).

Average rainfall
Runnaby, Sweden

The wettest month (with the highest rainfall) is July (20mm).
The driest month (with the least rainfall) is April (6mm).

Average rainfall days
Runnaby, Sweden

The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is February (4.5 days).

Average snowfall
Runnaby, Sweden

The month with the highest snowfall is March (39mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days
Runnaby, Sweden

The month with the highest number of snowfall days is February (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Runnaby, Sweden

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 18min).

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).

Average sunshine days
Runnaby, Sweden

The month with the most sunshine days is March (19 days).
The months with the least sunshine days are February and December (15.4 days).

Average UV index
Runnaby, 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 February (UV index 1).

Average cloud cover
Runnaby, Sweden

The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 43).

Average visibility
Runnaby, Sweden

The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January and February (7km).