Climate and monthly weather forecastJaun, Switzerland

Climate and monthly weather forecast

Weather in January

January, the same as December, in Jaun, Switzerland, is a freezing cold winter month, with an average temperature varying between -8.8°C (16.2°F) and -0.3°C (31.5°F). The temperature hits its lowest levels in January and February, recording an average high-temperature of -0.3°C (31.5°F). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Jaun, Switzerland, with an average temperature ranging between min -9.1°C (15.6°F) and max -0.3°C (31.5°F). January and February, when the average high-temperature reaches -0.3°C (31.5°F), are the coldest months. Weather in February »

Weather in March

March, the first month of the spring in Jaun, is a cold month, with an average temperature ranging between max 3.5°C (38.3°F) and min -5.3°C (22.5°F). The shift into March brings a slight increase in the average high-temperature, moving from a freezing cold -0.3°C (31.5°F) in February to a wintry 3.5°C (38.3°F). Weather in March »

Weather in April

April is a frosty spring month in Jaun, Switzerland, with an average temperature ranging between max 8.8°C (47.8°F) and min -1.1°C (30°F). As March transitions into April, a change in temperatures is observed, with average highs moving from a cold 3.5°C (38.3°F) to a frosty 8.8°C (47.8°F). Weather in April »

Weather in May

The last month of the spring, May, is a cool month in Jaun, Switzerland, with an average temperature fluctuating between 2.3°C (36.1°F) and 12.3°C (54.1°F). The embrace of May brings a minor uplift in the average high-temperature, shifting from a frosty 8.8°C (47.8°F) in April to a fresh 12.3°C (54.1°F). Weather in May »

Weather in June

June, the first month of the summer in Jaun, is a comfortable month, with an average temperature fluctuating between 5.9°C (42.6°F) and 16.9°C (62.4°F). In Jaun, the average high-temperature in June slightly increases from a fresh 12.3°C (54.1°F) in May to a comfortable 16.9°C (62.4°F). Weather in June »

Weather in July

July, like June, in Jaun, Switzerland, is another refreshing summer month, with an average temperature varying between 7.9°C (46.2°F) and 19.1°C (66.4°F). The average high-temperature during July registers at a still refreshing 19.1°C (66.4°F), closely corresponding to the preceding month. Weather in July »

Weather in August

August, the last month of the summer in Jaun, is another refreshing month, with an average temperature ranging between min 7.8°C (46°F) and max 19.3°C (66.7°F). Jaun's August weather, marked by an average high temperature of 19.3°C (66.7°F) and an average low temperature of 7.8°C (46°F), is the warmest in the year. Weather in August »

Weather in September

The first month of the autumn, September, is still a mild month in Jaun, Switzerland, with an average temperature varying between 15.1°C (59.2°F) and 5.2°C (41.4°F). A subtle shift in Jaun's weather is observed as August turns into September, with the average high temperature reducing from a refreshing 19.3°C (66.7°F) to a mild 15.1°C (59.2°F). Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Jaun, Switzerland, with an average temperature varying between 11°C (51.8°F) and 1.5°C (34.7°F). The beginning of October subtly marks a decrease in the average high-temperature, transitioning from a mild 15.1°C (59.2°F) in September to a cool 11°C (51.8°F). Weather in October »

Weather in November

November, the last month of the autumn in Jaun, is also an icy month, with an average temperature ranging between min -2.5°C (27.5°F) and max 5.2°C (41.4°F). Jaun's weather in November involves a decrease in the average high-temperature, moving down from October's fresh 11°C (51.8°F) to an icy 5.2°C (41.4°F). Weather in November »

Weather in December

December, the first month of the winter in Jaun, is still a cold month, with an average temperature varying between 1°C (33.8°F) and -6.4°C (20.5°F). As December commences, the average high-temperature subtly reduces, transitioning from 5.2°C (41.4°F) in November to a still wintry 1°C (33.8°F). Weather in December »

Frequently asked questions

January and February mark Jaun's lowest temperatures, averaging a high-temperature of -0.3°C (31.5°F).

In Jaun, during the entire year, the rain falls for 86 days and collects up to 404mm (15.91") of precipitation.

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

In Jaun, during the entire year, snow falls for 35.6 days and aggregates up to 977mm (38.46") of snow.

The month with the least sunshine in Jaun, Switzerland, is January, with an average of 5h of sunshine.

February and March, with an average relative humidity of 89%, are most humid months.

May is the month with the most rainfall in Jaun. Rain falls for 11.3 days and accumulates 53mm (2.09") of precipitation.

June through September are months without snowfall.

With an average of 15h and 48min of daylight, June has the longest days of the year in Jaun, Switzerland.

June through August, with an average maximum UV index of 4, are months with the highest UV index.

July, August and October, with an average relative humidity of 79%, are the least humid months.

The months with the most sunshine are July and August, with an average of 10.2h of sunshine.

August is the month when Jaun's temperatures reach their peak, with averages of 19.3°C (66.7°F) and lows of 7.8°C (46°F).

The month with the least rainfall in Jaun is September, when the rain falls for 6.9 days and typically collects 13mm (0.51") of precipitation.

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

November is the month with the lowest UV index, with an average maximum UV index of 1.

The month with the most snowfall in Jaun is December, when snow falls for 7.2 days and typically aggregates up to 236mm (9.29") of snow.

The month with the shortest days is December, with an average of 8h and 36min of daylight.

Average temperature
Jaun, Switzerland

The warmest month (with the highest average high temperature) is August (19.3°C).
The months with the lowest average high temperature are January and February (-0.3°C).

The month with the highest average low temperature is July (7.9°C).
The coldest month (with the lowest average low temperature) is February (-9.1°C).

Average pressure
Jaun, Switzerland

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed
Jaun, Switzerland

The windiest month (with the highest average wind speed) is December (9.2km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).

Average humidity
Jaun, Switzerland

The months with the highest relative humidity are February and March (89%).
The months with the lowest relative humidity are July, August and October (79%).

Average rainfall
Jaun, Switzerland

The wettest month (with the highest rainfall) is May (53mm).
The driest month (with the least rainfall) is September (13mm).

Average rainfall days
Jaun, Switzerland

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (3 days).

Average snowfall
Jaun, Switzerland

The month with the highest snowfall is December (236mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days
Jaun, Switzerland

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Jaun, Switzerland

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days
Jaun, Switzerland

The month with the most sunshine days is October (24.6 days).
The month with the least sunshine days is June (17.8 days).

Average UV index
Jaun, Switzerland

The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is November (UV index 1).

Average cloud cover
Jaun, Switzerland

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are August and October (Cloud cover 35).

Average visibility
Jaun, Switzerland

The months with the highest visibility are April, June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March, May and September (7km).