Basel
Switzerland
Long-term weather forecast
Long-term weather forecast

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
January, the same as December, is another cold winter month in Basel, Switzerland, with average temperature fluctuating between 4.5°C (40.1°F) and -1.1°C (30°F). With an average high-temperature of 4.5°C (40.1°F) and an average low-temperature of -1.1°C (30°F), January is the coldest month. Weather in January »
The last month of the winter, February, is a chilly month in Basel, Switzerland, with average temperature varying between 6.4°C (43.5°F) and -0.5°C (31.1°F). In Basel, the average high-temperature is relatively the same as in January - a frosty 6.4°C (43.5°F). Weather in February »

March, the first month of the spring, in Basel, is a fresh month, with temperature in the range of an average high of 11.2°C (52.2°F) and an average low of 2.5°C (36.5°F). In Basel, the average high-temperature marginally rises, from a chilly 6.4°C (43.5°F) in February, to a cool 11.2°C (52.2°F). Weather in March »

April is a mild spring month in Basel, Switzerland, with temperature in the range of an average low of 5.1°C (41.2°F) and an average high of 15.2°C (59.4°F). In Basel, Switzerland, the average high-temperature slightly increases, from a cool 11.2°C (52.2°F) in March, to a moderate 15.2°C (59.4°F). Weather in April »

The last month of the spring, May, is a comfortable month in Basel, Switzerland, with temperature in the range of an average high of 19.6°C (67.3°F) and an average low of 9.2°C (48.6°F). In May, the average high-temperature marginally rises, from a mild 15.2°C (59.4°F) in April, to a comfortable 19.6°C (67.3°F). Weather in May »

The first month of the summer, June, is an agreeable month in Basel, Switzerland, with average temperature varying between 22.9°C (73.2°F) and 12.4°C (54.3°F). In June, the average high-temperature marginally rises, from a comfortable 19.6°C (67.3°F) in May, to a pleasant 22.9°C (73.2°F). Weather in June »

July in Basel, Switzerland, is a warm summer month, with average temperature fluctuating between 25.3°C (77.5°F) and 14.5°C (58.1°F). The warmest month 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). Weather in July »

August, the last month of the summer, in Basel, is also a moderately hot month, 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, Switzerland, 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 »

The first month of the autumn, September, is still a pleasant month in Basel, Switzerland, with temperature in the range of an average low of 10.9°C (51.6°F) and an average high of 20.3°C (68.5°F). In September, the average high-temperature slightly decreases, from a warm 24.7°C (76.5°F) in August, to an agreeable 20.3°C (68.5°F). Weather in September »

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

The last month of the autumn, November, is also a frosty month in Basel, Switzerland, with average temperature fluctuating between 2.7°C (36.9°F) and 8.7°C (47.7°F). In November, the average high-temperature decreases, from a mild 15.2°C (59.4°F) in October, to a chilly 8.7°C (47.7°F). Weather in November »

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 slightly decreases, from a frosty 8.7°C (47.7°F) in November, to a wintry 5.2°C (41.4°F). Weather in December »

What is the coldest month in Basel?

The coldest month in Basel is January, 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?

Throughout the year, there are 120.4 rainfall days, and 843mm (33.2") of precipitation is accumulated.

When does it snow in Basel?

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

How many days does it snow in Basel?

Throughout the year, in Basel, there are 11.1 snowfall days, and 369mm (14.5") of snow is accumulated.

When is the lowest UV index in Basel?

Months with the lowest UV index are January, November and December, with an average maximum UV index of 1.

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 (1.8") of precipitation.

When does it snow the most in Basel?

The month with the most snowfall in Basel, Switzerland, is February when snow falls for 2.9 days and typically aggregates up to 115mm (4.5") of snow.

What is the least humid month in Basel?

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

What is the wettest month in Basel?

May is the month with the most rainfall. Rain falls for 12.4 days and accumulates 99mm (3.9") of precipitation.

When are the longest days in Basel?

With an average of 15.9h of daylight, June has the longest days of the year.

What is the month with 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?

July is the warmest month in Basel, Switzerland, 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 are November and December, with an average relative humidity of 82%.

What is the month with the shortest days in Basel?

The month with the shortest days in Basel, Switzerland, is December, with an average of 8.5h of daylight.

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 humidity - Basel, Switzerland
Average rainfall - 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 lowest number of rainy days is February (8.4 days).

Average snowfall - Basel, Switzerland
Average snowfall days - Basel, Switzerland

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

Average daylight / Average sunshine - Basel, Switzerland
Average UV index - Basel, Switzerland