Climate and monthly weather forecastHertsön, Sweden

Climate and monthly weather forecast

Weather in January

January, the same as December, in Hertsön, Sweden, is a freezing cold winter month, with an average temperature varying between -5.7°C (21.7°F) and -9.9°C (14.2°F). In Hertsön, January is the month with the lowest recorded average temperatures, measuring a high of -5.7°C (21.7°F) and a low of -9.9°C (14.2°F). Weather in January »

Weather in February

February, the last month of the winter in Hertsön, is another freezing cold month, with temperature in the range of an average high of -5.4°C (22.3°F) and an average low of -10.6°C (12.9°F). February's commencement is accompanied by an average high-temperature of a still freezing cold -5.4°C (22.3°F), diverging marginally from January's -5.7°C (21.7°F). Weather in February »

Weather in March

The first month of the spring, March, is still a freezing cold month in Hertsön, Sweden, with an average temperature fluctuating between -1.7°C (28.9°F) and -6.8°C (19.8°F). March witnesses a minor rise in the average high-temperature, transitioning from a freezing cold -5.4°C (22.3°F) in February to a still subzero cold -1.7°C (28.9°F). Weather in March »

Weather in April

April is a wintry spring month in Hertsön, Sweden, with an average temperature varying between -1.8°C (28.8°F) and 2.3°C (36.1°F). April's onset witnesses a minor shift in the average high-temperature, moving from a freezing cold -1.7°C (28.9°F) in March to a cold 2.3°C (36.1°F). Weather in April »

Weather in May

May, the last month of the spring in Hertsön, is a frosty month, with temperature in the range of an average high of 8.6°C (47.5°F) and an average low of 4°C (39.2°F). As Hertsön transitions into May, a rise in the average high-temperature is observed, moving from an icy 2.3°C (36.1°F) in April to a chilly 8.6°C (47.5°F). Weather in May »

Weather in June

June, the first month of the summer in Hertsön, is a refreshing month, with an average temperature ranging between max 13.3°C (55.9°F) and min 8.9°C (48°F). As Hertsön transitions into June, the average high-temperature is observed to slightly rise from a frosty 8.6°C (47.5°F) in May to a mild 13.3°C (55.9°F). Weather in June »

Weather in July

July in Hertsön, Sweden, is an enjoyable summer month, with temperature in the range of an average low of 13°C (55.4°F) and an average high of 17.3°C (63.1°F). In Hertsön, July records the highest average temperatures, peaking at 17.3°C (63.1°F) and reaching a low of 13°C (55.4°F). Weather in July »

Weather in August

The last month of the summer, August, is another comfortable month in Hertsön, Sweden, with an average temperature ranging between max 16.6°C (61.9°F) and min 12.4°C (54.3°F). The average high-temperature is a still enjoyable 16.6°C (61.9°F) in August, hardly different from the 17.3°C (63.1°F) recorded in July. Weather in August »

Weather in September

The first month of the autumn, September, is still a cool month in Hertsön, Sweden, with temperature in the range of an average high of 12.5°C (54.5°F) and an average low of 8.6°C (47.5°F). Hertsön's September weather features a light decline in high-temperatures, reducing from a comfortable 16.6°C (61.9°F) in August to a cool 12.5°C (54.5°F). Weather in September »

Weather in October

October, like September, in Hertsön, Sweden, is another cold autumn month, with an average temperature fluctuating between 2.7°C (36.9°F) and 5.7°C (42.3°F). October's arrival coincides with a drop in the average high-temperature, decreasing from September's fresh 12.5°C (54.5°F) to an icy 5.7°C (42.3°F). Weather in October »

Weather in November

November, the last month of the autumn in Hertsön, is also a wintry month, with an average temperature ranging between max 1.5°C (34.7°F) and min -1.4°C (29.5°F). The start of November comes with a small reduction in the average high-temperature, subtly receding from an icy 5.7°C (42.3°F) in October to a still cold 1.5°C (34.7°F). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Hertsön, Sweden, with temperature in the range of an average high of -2.1°C (28.2°F) and an average low of -5.7°C (21.7°F). December sees a slight reduction in average high-temperature, with a shift from an icy 1.5°C (34.7°F) in November to a freezing cold -2.1°C (28.2°F). Weather in December »

Frequently asked questions

Hertsön's coldest weather arrives in January, when temperatures average a high of -5.7°C (21.7°F) and a low of -9.9°C (14.2°F).

In Hertsön, during the entire year, the rain falls for 110.8 days and collects up to 409mm (16.1") of precipitation.

Months with snowfall are January through May, October through December.

In Hertsön, during the entire year, snow falls for 82.2 days and aggregates up to 846mm (33.31") of snow.

The months with the lowest UV index in Hertsön are January through March, November and December, with an average maximum UV index of 1.

The most humid month in Hertsön, Sweden, is February, with an average relative humidity of 93%.

The month with the least rainfall is April, when the rain falls for 9.3 days and typically collects 25mm (0.98") of precipitation.

The least humid month in Hertsön, Sweden, is June, with an average relative humidity of 70%.

June through September are months without snowfall.

The month with the longest days in Hertsön, Sweden, is June, with an average of 22h and 30min of daylight.

Hertsön's warmest month, July, registers temperatures that range from a high of 17.3°C (63.1°F) to a low of 13°C (55.4°F).

With an average of 12.8h of sunshine, July has the most sunshine of the year in Hertsön.

The month with the highest UV index in Hertsön, Sweden, is July, with an average maximum UV index of 5.

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 most rainfall in Hertsön is December, when the rain falls for 6.3 days and typically aggregates up to 46mm (1.81") of precipitation.

The month with the most snowfall in Hertsön, Sweden, is December, when snow falls for 15 days and typically aggregates up to 178mm (7.01") of snow.

With an average of 3h and 30min of daylight, December has the shortest days of the year.

The month with the least sunshine is December, with an average of 1.3h of sunshine.

Average temperature
Hertsön, Sweden

The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-5.7°C).

The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).

Average pressure
Hertsön, Sweden

The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).

Average wind speed
Hertsön, Sweden

The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is April (13km/h).

Average humidity
Hertsön, Sweden

The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (70%).

Average rainfall
Hertsön, Sweden

The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days
Hertsön, Sweden

The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (3.1 days).

Average snowfall
Hertsön, Sweden

The month with the highest snowfall is December (178mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days
Hertsön, Sweden

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Hertsön, Sweden

The month with the longest days is June (Average daylight: 22h and 30min).
The month with the shortest days is December (Average daylight: 3h and 30min).

The month with the most sunshine is July (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).

Average sunshine days
Hertsön, Sweden

The months with the most sunshine days are June and October (16.5 days).
The month with the least sunshine days is December (11.6 days).

Average UV index
Hertsön, Sweden

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover
Hertsön, Sweden

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility
Hertsön, Sweden

The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and April (7km).