Monthly weather forecast and climate
Basel, Switzerland

The Rhine River passing through the city of Basel in Switzerland, with a view of the red stone Munster Cathedral building
The Rhine River passing through the city of Basel in Switzerland, with a view of the red stone Munster Cathedral building

Weather in January

January, the same as December, is another cold winter month in Basel, Switzerland, with average temperature varying between -1.1°C (30°F) and 4.5°C (40.1°F). January is the coldest month, with an average high-temperature of 4.5°C (40.1°F) and an average low-temperature of -1.1°C (30°F). Weather in January »

Weather in February

February, the last month of the winter, in Basel, is a chilly month, with average temperature fluctuating between -0.5°C (31.1°F) and 6.4°C (43.5°F). In Basel, the average high-temperature is practically the same as in January - a frosty 6.4°C (43.5°F). Weather in February »

Weather in March

March, the first month of the spring, in Basel, is a fresh month, with average temperature ranging between max 11.2°C (52.2°F) and min 2.5°C (36.5°F). In March, the average high-temperature slightly increases, from a chilly 6.4°C (43.5°F) in February, to a fresh 11.2°C (52.2°F). Weather in March »

Weather in April

April is a moderate spring month in Basel, Switzerland, with average temperature fluctuating between 5.1°C (41.2°F) and 15.2°C (59.4°F). In Basel, the average high-temperature marginally rises, from a cool 11.2°C (52.2°F) in March, to a moderate 15.2°C (59.4°F). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Basel, Switzerland, with average temperature varying between 9.2°C (48.6°F) and 19.6°C (67.3°F). In May, the average high-temperature slightly increases, from a moderate 15.2°C (59.4°F) in April, to an enjoyable 19.6°C (67.3°F). Weather in May »

Weather in June

June, the first month of the summer, in Basel, is a pleasant month, with temperature in the range of an average high of 22.9°C (73.2°F) and an average low of 12.4°C (54.3°F). In Basel, the average high-temperature slightly increases, from a comfortable 19.6°C (67.3°F) in May, to an agreeable 22.9°C (73.2°F). Weather in June »

Weather in July

July in Basel, Switzerland, is a moderately hot summer month, with average temperature ranging between min 14.5°C (58.1°F) and max 25.3°C (77.5°F). With an average high-temperature of 25.3°C (77.5°F) and an average low-temperature of 14.5°C (58.1°F), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Basel, Switzerland, with temperature in the range of an average low of 14.2°C (57.6°F) and an average high of 24.7°C (76.5°F). In Basel, the average high-temperature in August is practically the same as in July - a still moderately hot 24.7°C (76.5°F). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Basel, Switzerland, with average temperature fluctuating between 10.9°C (51.6°F) and 20.3°C (68.5°F). In Basel, the average high-temperature in September marginally drops, from a moderately hot 24.7°C (76.5°F) in August, to an agreeable 20.3°C (68.5°F). Weather in September »

Weather in October

October, like September, is another mild autumn month in Basel, Switzerland, with average temperature ranging between max 15.2°C (59.4°F) and min 7.4°C (45.3°F). In Basel, the average high-temperature drops, from an agreeable 20.3°C (68.5°F) in September, to a moderate 15.2°C (59.4°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Basel, Switzerland, with temperature in the range of an average low of 2.7°C (36.9°F) and an average high of 8.7°C (47.7°F). In Basel, the average high-temperature drops, from a moderate 15.2°C (59.4°F) in October, to a frosty 8.7°C (47.7°F). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Basel, Switzerland, with average temperature ranging between max 5.2°C (41.4°F) and min 0.1°C (32.2°F). In Basel, the average high-temperature in December marginally drops, from a chilly 8.7°C (47.7°F) in November, to a wintry 5.2°C (41.4°F). Weather in December »
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FAQ

What is the coldest month in Basel?

January is the coldest month in Basel, with an average high-temperature of 4.5°C (40.1°F) and an average low-temperature of -1.1°C (30°F).

How many days does it rain in Basel?

In Basel, during the entire year, the rain falls for 120.4 days and collects up to 843mm (33.19") of precipitation.

When does it snow in Basel?

Months with snowfall in Basel, Switzerland, are January through April, October through December.

How much does it snow in Basel?

In Basel, Switzerland, during the entire year, snow falls for 11.1 days, and aggregates up to 369mm (14.53") of snow.

When is the lowest UV index in Basel?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Basel, Switzerland.

What is the driest month in Basel?

February is the month with the least rainfall in Basel. Rain falls for 8.4 days and accumulates 45mm (1.77") of precipitation.

What is the snowiest month in Basel?

February is the month with the most snowfall. Snow falls for 2.9 days and accumulates 115mm (4.53") of snow.

What is the least humid month in Basel?

April is the least humid month in Basel, Switzerland, with an average relative humidity of 68%.

What is the wettest month in Basel?

The month with the most rainfall is May when the rain falls for 12.4 days and typically aggregates up to 99mm (3.9") of precipitation.

When it does not snow in Basel?

In Basel, Switzerland, snow does not fall in May through September.

When are the longest days in Basel?

June has the longest days of the year in Basel, with an average of 15.9h of daylight.

When is the highest UV index in Basel?

Months with the highest UV index in Basel are June and July, with an average maximum UV index of 7.

What is the warmest month in Basel?

The warmest month in Basel is July, with an average high-temperature of 25.3°C (77.5°F) and an average low-temperature of 14.5°C (58.1°F).

What month has the most sunshine in Basel?

The month with the most sunshine in Basel is July, with an average of 7.2h of sunshine.

What are the most humid months in Basel?

Months with the highest humidity in Basel, Switzerland, are November and December, with an average relative humidity of 82%.

What is the month with the shortest days in Basel?

With an average of 8.5h of daylight, December has the shortest days of the year in Basel.

What is the month with the least sunshine in Basel?

With an average of 1.7h of sunshine, December has the least sunshine of the year.

Average temperature
Basel, Switzerland

Average temperature - Basel, Switzerland

The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (4.5°C).

The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).

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Average humidity
Basel, Switzerland

Average humidity - Basel, Switzerland

Months with the highest relative humidity are November and December (82%).
The month with the lowest relative humidity is April (68%).

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Average rainfall
Basel, Switzerland

Average rainfall - Basel, Switzerland

The wettest month (with the highest rainfall) is May (99mm).
The driest month (with the least rainfall) is February (45mm).

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Average rainfall days
Basel, Switzerland

Average rainfall days - Basel, Switzerland

The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is February (8.4 days).

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Average snowfall
Basel, Switzerland

Average snowfall - Basel, Switzerland

The month with the highest snowfall is February (115mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days
Basel, Switzerland

Average snowfall days - Basel, Switzerland

The month with the highest number of snowfall days is January (3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Basel, Switzerland

Average daylight / Average sunshine - Basel, Switzerland

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

The month with the most sunshine is July (Average sunshine: 7.2h).
The month with the least sunshine is December (Average sunshine: 1.7h).

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Average UV index
Basel, Switzerland

Average UV index - Basel, Switzerland

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, November and December (UV index 1).

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