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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, in Chalais, Switzerland, is a freezing cold winter month, with temperature in the range of an average high of -2.6°C (27.3°F) and an average low of -11.2°C (11.8°F). January, on average, is the coldest month, registering a high temperature of -2.6°C (27.3°F) and a low of -11.2°C (11.8°F). Weather in January »
Weather in February
February, the last month of the winter in Chalais, is another freezing cold month, with an average temperature fluctuating between -2.3°C (27.9°F) and -11.3°C (11.7°F). Transitioning into February, Chalais experiences an average high-temperature of a still subzero cold -2.3°C (27.9°F), marking a minor shift from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Chalais, is a cold month, with an average temperature fluctuating between 0.7°C (33.3°F) and -8°C (17.6°F). Chalais's weather in March presents a minor rise in the average high-temperature, moving from a subzero cold -2.3°C (27.9°F) in February to a cold 0.7°C (33.3°F). Weather in March »
Weather in April
April, the same as March, is a wintry spring month in Chalais, Switzerland, with an average temperature ranging between max 4.8°C (40.6°F) and min -3.3°C (26.1°F). As Chalais enters April, the average high-temperature marginally increases from the a cold 0.7°C (33.3°F) of March to a still wintry 4.8°C (40.6°F). Weather in April »
Weather in May
May, the last month of the spring in Chalais, is a chilly month, with temperature in the range of an average low of 0.2°C (32.4°F) and an average high of 8.8°C (47.8°F). May brings a slight increase in the average high-temperature, progressing from a wintry 4.8°C (40.6°F) in April to a chilly 8.8°C (47.8°F). Weather in May »
Weather in June
The first month of the summer, June, is a mild month in Chalais, Switzerland, with an average temperature ranging between min 4.3°C (39.7°F) and max 13.9°C (57°F). The shift into June brings an increase in the average high-temperature, moving from a chilly 8.8°C (47.8°F) in May to a moderate 13.9°C (57°F). Weather in June »
Weather in July
July in Chalais, Switzerland, is a comfortable summer month, with an average temperature fluctuating between 6.3°C (43.3°F) and 16.5°C (61.7°F). With average temperatures fluctuating between a high of 16.5°C (61.7°F) and a low of 6.3°C (43.3°F), July stands out as the warmest month. Weather in July »
Weather in August
The last month of the summer, August, is another comfortable month in Chalais, Switzerland, with an average temperature ranging between max 16.4°C (61.5°F) and min 6.4°C (43.5°F). Entering August, the average high-temperature is recorded at a still comfortable 16.4°C (61.5°F), exhibiting a minimal shift from July's 16.5°C (61.7°F). Weather in August »
Weather in September
The first month of the autumn, September, is also a fresh month in Chalais, Switzerland, with an average temperature ranging between max 12.3°C (54.1°F) and min 3.3°C (37.9°F). The arrival of September correlates with a minor temperature reduction, down from August's enjoyable 16.4°C (61.5°F) to a cool 12.3°C (54.1°F). Weather in September »
Weather in October
October, the same as September, in Chalais, Switzerland, is a frosty autumn month, with an average temperature ranging between min -0.1°C (31.8°F) and max 8°C (46.4°F). During the shift to October, Chalais records a mild decrease in average high-temperature, moving from a fresh 12.3°C (54.1°F) in September to a chilly 8°C (46.4°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a wintry month in Chalais, Switzerland, with temperature in the range of an average high of 2.4°C (36.3°F) and an average low of -4.5°C (23.9°F). The shift from October to November involves a decrease in the average high-temperature, from a chilly 8°C (46.4°F) to an icy 2.4°C (36.3°F). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Chalais, Switzerland, with an average temperature varying between -9.4°C (15.1°F) and -1.4°C (29.5°F). With the onset of December, Chalais experiences a modest temperature adjustment, with the average high-temperature gently receding from a wintry 2.4°C (36.3°F) in November to a subzero cold -1.4°C (29.5°F). Weather in December »
Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Chalais?
Chalais's coldest month, January, registers temperatures that range from a high of -2.6°C (27.3°F) to a low of -11.2°C (11.8°F).
How much does it rain in Chalais?
In Chalais, during the entire year, the rain falls for 159.9 days and collects up to 1035mm (40.75") of precipitation.
When does it snow in Chalais?
January through December are months with snowfall in Chalais.
How much does it snow in Chalais?
In Chalais, during the entire year, snow falls for 129 days and aggregates up to 4010mm (157.87") of snow.
When is the lowest UV index in Chalais?
The months with the lowest UV index in Chalais, Switzerland, are January, March, April and November, with an average maximum UV index of 1.
What is the month with the least sunshine in Chalais?
February has the least sunshine of the year, with an average of 4.5h of sunshine.
What is the most humid month in Chalais?
The most humid month in Chalais is March, with an average relative humidity of 91%.
What is the rainiest month in Chalais?
The month with the most rainfall is May, when the rain falls for 20.3 days and typically aggregates up to 126mm (4.96") of precipitation.
When are the longest days in Chalais?
June has the longest days of the year in Chalais, Switzerland, with an average of 15h and 42min of daylight.
What is the month with the highest UV index in Chalais?
The months with the highest UV index are June and July, with an average maximum UV index of 4.
What month is the hottest in Chalais?
Temperature readings reach their annual highs in July, averaging 16.5°C (61.7°F) and a minimum average of 6.3°C (43.3°F).
What are the least humid months in Chalais?
The months with the lowest humidity are July and August, with an average relative humidity of 79%.
When it does not snow in Chalais?
The month with the least snowfall in Chalais is July, when snow falls for 0.5 days and typically aggregates up to 5mm (0.2") of snow.
What is the month with the most sunshine in Chalais?
July and August, with an average of 9.7h of sunshine, are months with the most sunshine.
What is the driest month in Chalais?
September and October are months with the least rain in Chalais when the rain falls for 16.5 days and typically aggregates up to 54mm (2.13") of rain.
When is Daylight Saving Time (DST) in Chalais?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, 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 Chalais?
The month with the most snowfall is December, when snow falls for 18.4 days and typically aggregates up to 887mm (34.92") of snow.
What is the month with the shortest days in Chalais?
With an average of 8h and 42min of daylight, December has the shortest days of the year.
Average temperature
Chalais, Switzerland
The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (-2.6°C).
The month with the highest average low temperature is August (6.4°C).
The coldest month (with the lowest average low temperature) is February (-11.3°C).
Average pressure
Chalais, Switzerland
- Average pressure in January:
1019.3mbar - Average pressure in February:
1017.4mbar - Average pressure in March:
1016.8mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1015.8mbar - Average pressure in June:
1016.2mbar
- Average pressure in July:
1016.8mbar - Average pressure in August:
1017.6mbar - Average pressure in September:
1018.3mbar - Average pressure in October:
1018.4mbar - Average pressure in November:
1015.9mbar - Average pressure in December:
1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed
Chalais, Switzerland
- Average wind speed in January:
8km/h - Average wind speed in February:
8km/h - Average wind speed in March:
8.1km/h - Average wind speed in April:
7.3km/h - Average wind speed in May:
7.2km/h - Average wind speed in June:
6.9km/h
- Average wind speed in July:
6.6km/h - Average wind speed in August:
6.2km/h - Average wind speed in September:
6.5km/h - Average wind speed in October:
7.4km/h - Average wind speed in November:
8.1km/h - Average wind speed in December:
8.4km/h
The windiest month (with the highest average wind speed) is December (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity
Chalais, Switzerland
The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall
Chalais, Switzerland
- Average rainfall in January:
93mm - Average rainfall in February:
75mm - Average rainfall in March:
85mm - Average rainfall in April:
57mm - Average rainfall in May:
126mm - Average rainfall in June:
109mm
The wettest month (with the highest rainfall) is May (126mm).
The driest months (with the least rainfall) are September and October (54mm).
Average rainfall days
Chalais, Switzerland
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
20.3 days - Average rainfall days in June:
22.2 days
- Average rainfall days in July:
22.8 days - Average rainfall days in August:
20.5 days - Average rainfall days in September:
16.5 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
6 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall
Chalais, Switzerland
- Average snowfall in January:
727mm - Average snowfall in February:
619mm - Average snowfall in March:
657mm - Average snowfall in April:
244mm - Average snowfall in May:
306mm - Average snowfall in June:
22mm
The month with the highest snowfall is December (887mm).
The month with the least snowfall is July (5mm).
Average snowfall days
Chalais, Switzerland
- Average snowfall days in January:
20.3 days - Average snowfall days in February:
19.8 days - Average snowfall days in March:
21.1 days - Average snowfall days in April:
15 days - Average snowfall days in May:
9.3 days - Average snowfall days in June:
1.8 days
- Average snowfall days in July:
0.5 days - Average snowfall days in August:
0.4 days - Average snowfall days in September:
2.1 days - Average snowfall days in October:
6 days - Average snowfall days in November:
14.3 days - Average snowfall days in December:
18.4 days
The month with the highest number of snowfall days is March (21.1 days).
The month with the least snowfall days is August (0.4 days).
Average daylight / Average sunshine
Chalais, Switzerland
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 4min
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).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 3min - Average sunshine in March:
5h and 1min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 0min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Chalais, Switzerland
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
8.4 days - Average sunshine days in March:
7.6 days - Average sunshine days in April:
5.8 days - Average sunshine days in May:
4.2 days - Average sunshine days in June:
4.7 days
- Average sunshine days in July:
4.8 days - Average sunshine days in August:
7.1 days - Average sunshine days in September:
9.7 days - Average sunshine days in October:
15.4 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
12.2 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (4.2 days).
Average UV index
Chalais, Switzerland
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, March, April and November (UV index 1).
Average cloud cover
Chalais, Switzerland
The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 38).
Average visibility
Chalais, Switzerland
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).
