Climate and monthly weather forecast
Allschwil, Switzerland

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Weather in January

January, like December, in Allschwil, Switzerland, is an icy winter month, with an average temperature fluctuating between 3.5°C (38.3°F) and -1.8°C (28.8°F). The coldest month is January, with an average high-temperature of 3.5°C (38.3°F) and an average low-temperature of -1.8°C (28.8°F). Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Allschwil, Switzerland, with an average temperature fluctuating between -1.5°C (29.3°F) and 5°C (41°F). February's average high-temperature is a still wintry 5°C (41°F), maintaining a close comparison with January's 3.5°C (38.3°F). Weather in February »

Weather in March

March, the first month of the spring in Allschwil, is a fresh month, with an average temperature ranging between max 10.2°C (50.4°F) and min 1.6°C (34.9°F). March's onset brings a temperature rise, moving from a wintry 5°C (41°F) in February to a cool 10.2°C (50.4°F). Weather in March »

Weather in April

April is a refreshing spring month in Allschwil, Switzerland, with temperature in the range of an average low of 4.7°C (40.5°F) and an average high of 15.2°C (59.4°F). Allschwil's weather in April shows a rise in the average high-temperature, moving up from March's cool 10.2°C (50.4°F) to a moderate 15.2°C (59.4°F). Weather in April »

Weather in May

May, the last month of the spring in Allschwil, is a refreshing month, with an average temperature ranging between max 17.8°C (64°F) and min 7.3°C (45.1°F). Allschwil, Switzerland, experiences a recorded average high-temperature of an enjoyable 17.8°C (64°F) in May, closely aligned with April's 15.2°C (59.4°F). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Allschwil, Switzerland, with temperature in the range of an average high of 21.6°C (70.9°F) and an average low of 11.1°C (52°F). Allschwil observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's refreshing 17.8°C (64°F) to a pleasant 21.6°C (70.9°F). Weather in June »

Weather in July

July in Allschwil, Switzerland, is a warm summer month, with temperature in the range of an average high of 23.8°C (74.8°F) and an average low of 13°C (55.4°F). As July takes hold, the average high-temperature is a warm 23.8°C (74.8°F), nearly mirroring that of the previous month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Allschwil, Switzerland, with an average temperature fluctuating between 24.1°C (75.4°F) and 13.3°C (55.9°F). August proves to be the warmest month, recording an average peak temperature of 24.1°C (75.4°F) and a minimum temperature of 13.3°C (55.9°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a comfortable month in Allschwil, Switzerland, with an average temperature varying between 19.7°C (67.5°F) and 9.4°C (48.9°F). Start of September brings a slight shift in the average high-temperature, dipping a bit from August's moderately hot 24.1°C (75.4°F) to a refreshing 19.7°C (67.5°F). Weather in September »

Weather in October

October, the same as September, in Allschwil, Switzerland, is another mild autumn month, with an average temperature fluctuating between 6°C (42.8°F) and 14.8°C (58.6°F). October sees a slight reduction in average high-temperature, with a shift from an enjoyable 19.7°C (67.5°F) in September to a mild 14.8°C (58.6°F). Weather in October »

Weather in November

November, the last month of the autumn in Allschwil, is another chilly month, with an average temperature ranging between max 8.8°C (47.8°F) and min 2.5°C (36.5°F). In Allschwil, the average high-temperature in November drops from a mild 14.8°C (58.6°F) in October to a frosty 8.8°C (47.8°F). Weather in November »

Weather in December

December, the first month of the winter in Allschwil, is still a cold month, with an average temperature fluctuating between -0.1°C (31.8°F) and 5.1°C (41.2°F). Allschwil records a mild change in average high-temperature during December, easing from a chilly 8.8°C (47.8°F) in November to a wintry 5.1°C (41.2°F). Weather in December »
Updated: Feb 3, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What part of the year is the coldest in Allschwil?

January is Allschwil's coldest month, registering average high temperatures of 3.5°C (38.3°F) and lows of -1.8°C (28.8°F).

What is the most humid month in Allschwil?

January is the most humid month in Allschwil, Switzerland, with an average relative humidity of 87%.

How many days does it rain in Allschwil?

In Allschwil, during the entire year, the rain falls for 178.8 days and collects up to 677mm (26.65") of precipitation.

When does it snow in Allschwil?

January through March, October through December are months with snowfall.

How much does it snow in Allschwil?

In Allschwil, during the entire year, snow falls for 25.2 days and aggregates up to 217mm (8.54") of snow.

When is the lowest UV index in Allschwil?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What are the least humid months in Allschwil?

April, July and August, with an average relative humidity of 77%, are the least humid months in Allschwil, Switzerland.

When it does not snow in Allschwil?

In Allschwil, Switzerland, snow does not fall in April through September.

What is the wettest month in Allschwil?

June is the month with the most rainfall. Rain falls for 19.6 days and accumulates 84mm (3.31") of precipitation.

When are the longest days in Allschwil?

With an average of 15h and 54min of daylight, June has the longest days of the year in Allschwil, Switzerland.

What are the months with the highest UV index in Allschwil?

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

What month has the most sunshine in Allschwil?

With an average of 10.2h of sunshine, July has the most sunshine of the year in Allschwil.

What month is the hottest in Allschwil?

In Allschwil, August registers the highest temperatures, averaging 24.1°C (75.4°F) at the peak and 13.3°C (55.9°F) at the lowest.

What is the driest month in Allschwil?

September is the month with the least rainfall in Allschwil, Switzerland. Rain falls for 12.5 days and accumulates 33mm (1.3") of precipitation.

When is Daylight Saving Time (DST) in Allschwil?

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Allschwil, 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.

When does it snow the most in Allschwil?

The month with the most snowfall in Allschwil is December, when snow falls for 5.8 days and typically aggregates up to 61mm (2.4") of snow.

What is the month with the shortest days in Allschwil?

With an average of 8h and 30min of daylight, December has the shortest days of the year in Allschwil, Switzerland.

What is the month with the least sunshine in Allschwil?

December has the least sunshine of the year, with an average of 4.6h of sunshine.

Average temperature
Allschwil, Switzerland

Average temperature - Allschwil, Switzerland

The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (3.5°C).

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).

Average pressure
Allschwil, Switzerland

Average pressure - Allschwil, Switzerland

The month with the highest atmospheric pressure is December (1020.7mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).

Average wind speed
Allschwil, Switzerland

Average wind speed - Allschwil, Switzerland

The windiest months (with the highest average wind speed) are February and March (9.9km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

Average humidity
Allschwil, Switzerland

Average humidity - Allschwil, Switzerland

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall
Allschwil, Switzerland

Average rainfall - Allschwil, Switzerland

The wettest month (with the highest rainfall) is June (84mm).
The driest month (with the least rainfall) is September (33mm).

Average rainfall days
Allschwil, Switzerland

Average rainfall days - Allschwil, Switzerland

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is October (11.5 days).

Average snowfall
Allschwil, Switzerland

Average snowfall - Allschwil, Switzerland

The month with the highest snowfall is December (61mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days
Allschwil, Switzerland

Average snowfall days - Allschwil, Switzerland

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Allschwil, Switzerland

Average daylight / Average sunshine - Allschwil, Switzerland

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days
Allschwil, Switzerland

Average sunshine days - Allschwil, Switzerland

The month with the most sunshine days is October (16.8 days).
The months with the least sunshine days are May and June (8.3 days).

Average UV index
Allschwil, Switzerland

Average UV index - Allschwil, Switzerland

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover
Allschwil, Switzerland

Average cloud cover - Allschwil, Switzerland

The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility
Allschwil, Switzerland

Average visibility - Allschwil, Switzerland

The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).

Allschwil, Switzerland

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