Climate and monthly weather forecastMonthey, Switzerland

Climate and monthly weather forecast

Weather in January

January, like December, in Monthey, Switzerland, is a wintry winter month, with an average temperature ranging between max 0.6°C (33.1°F) and min -6.9°C (19.6°F). In Monthey, the lowest average temperatures are observed in January, with a high of 0.6°C (33.1°F) and a low of -6.9°C (19.6°F). Weather in January »

Weather in February

February, the last month of the winter in Monthey, is also an icy month, with an average temperature varying between -7.1°C (19.2°F) and 0.8°C (33.4°F). A minor adjustment in Monthey's average high-temperature is noted with the start of February, touching a still wintry 0.8°C (33.4°F) from January's 0.6°C (33.1°F). Weather in February »

Weather in March

March, the first month of the spring in Monthey, is still a cold month, with temperature in the range of an average high of 4.5°C (40.1°F) and an average low of -3.2°C (26.2°F). Monthey perceives a slight temperature ascent during March, with average high-temperatures adjusting from 0.8°C (33.4°F) in February to a still cold 4.5°C (40.1°F). Weather in March »

Weather in April

April is a frosty spring month in Monthey, Switzerland, with an average temperature ranging between max 9.9°C (49.8°F) and min 0.8°C (33.4°F). Entering April, Monthey sees a temperature rise, with the average high-temperature advancing from March's icy 4.5°C (40.1°F) to a chilly 9.9°C (49.8°F). Weather in April »

Weather in May

May, the last month of the spring in Monthey, is a cool month, with an average temperature ranging between min 3.7°C (38.7°F) and max 12.8°C (55°F). The introduction of May sees an average high-temperature of a fresh 12.8°C (55°F), hardly deviating from April. Weather in May »

Weather in June

June, the first month of the summer in Monthey, is a refreshing month, with temperature in the range of an average high of 17.5°C (63.5°F) and an average low of 7.6°C (45.7°F). June witnesses a minor rise in the average high-temperature, transitioning from a fresh 12.8°C (55°F) in May to a comfortable 17.5°C (63.5°F). Weather in June »

Weather in July

July, the same as June, is another comfortable summer month in Monthey, Switzerland, with an average temperature varying between 9.3°C (48.7°F) and 19.8°C (67.6°F). Monthey witnesses its highest temperatures in July and August, reaching an average of 19.8°C (67.6°F). Weather in July »

Weather in August

August, the last month of the summer in Monthey, is another comfortable month, with an average temperature ranging between min 9°C (48.2°F) and max 19.8°C (67.6°F). In Monthey, the warmest period comes during July and August, when the average high-temperature touches 19.8°C (67.6°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a refreshing month in Monthey, Switzerland, with temperature in the range of an average low of 6°C (42.8°F) and an average high of 16°C (60.8°F). With the beginning of September, the average high-temperature shows a small decrease, transitioning from 19.8°C (67.6°F) in August to a still comfortable 16°C (60.8°F). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Monthey, Switzerland, with an average temperature fluctuating between 2.9°C (37.2°F) and 11.7°C (53.1°F). The beginning of October brings a slight decrease in the average high-temperature, transitioning from a comfortable 16°C (60.8°F) in September to a fresh 11.7°C (53.1°F). Weather in October »

Weather in November

November, the last month of the autumn in Monthey, is another cold month, with an average temperature varying between -0.8°C (30.6°F) and 5.9°C (42.6°F). The arrival of November corresponds with a shift in temperature, down from a fresh 11.7°C (53.1°F) in October to a cold 5.9°C (42.6°F). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Monthey, Switzerland, with an average temperature varying between -4.7°C (23.5°F) and 2°C (35.6°F). December reveals a small adjustment in temperature, transitioning from an average high of a wintry 5.9°C (42.6°F) in November to a still cold 2°C (35.6°F). Weather in December »

Frequently asked questions

The coldest period in Monthey, Switzerland, is January, when temperatures fluctuate between an average high of 0.6°C (33.1°F) and a low of -6.9°C (19.6°F).

Throughout the year, in Monthey, there are 215.6 rainfall days, and 1219mm (47.99") of precipitation is accumulated.

January through May, September through December are months with snowfall in Monthey.

The month with the most snowfall in Monthey, Switzerland, is January, when snow falls for 7.7 days and typically aggregates up to 148mm (5.83") of snow.

Throughout the year, there are 31.1 snowfall days, and 561mm (22.09") of snow is accumulated.

January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Monthey, Switzerland.

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

The most humid month in Monthey is February, with an average relative humidity of 87%.

May is the month with the most rainfall. Rain falls for 23.5 days and accumulates 144mm (5.67") of precipitation.

June through August are months without snowfall in Monthey, Switzerland.

The month with the longest days is June, with an average of 15h and 42min of daylight.

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

In Monthey, the warmest period comes during July and August, when the average high-temperature touches 19.8°C (67.6°F).

The month with the most sunshine is July, with an average of 10.5h of sunshine.

August is the least humid month in Monthey, with an average relative humidity of 77%.

The month with the least rainfall in Monthey, Switzerland, is September, when the rain falls for 16.9 days and typically collects 54mm (2.13") of precipitation.

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

With an average of 8h and 42min of daylight, December has the shortest days of the year in Monthey, Switzerland.

Average temperature
Monthey, Switzerland

The warmest months (with the highest average high temperature) are July and August (19.8°C).
The month with the lowest average high temperature is January (0.6°C).

The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is February (-7.1°C).

Average pressure
Monthey, Switzerland

The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed
Monthey, 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
Monthey, Switzerland

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (77%).

Average rainfall
Monthey, Switzerland

The wettest month (with the highest rainfall) is May (144mm).
The driest month (with the least rainfall) is September (54mm).

Average rainfall days
Monthey, Switzerland

The month with the highest number of rainy days is May (23.5 days).
The month with the least rainy days is October (13.3 days).

Average snowfall
Monthey, Switzerland

The month with the highest snowfall is January (148mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days
Monthey, Switzerland

The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Monthey, Switzerland

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

Average sunshine days
Monthey, Switzerland

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (4.3 days).

Average UV index
Monthey, Switzerland

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover
Monthey, Switzerland

The months with the most cloud cover are January, February, March, May and December (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility
Monthey, Switzerland

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