Climate and monthly weather forecastRiddes, Switzerland
Climate and monthly weather forecast
Weather in January
January, the same as December, in Riddes, Switzerland, is another subzero cold winter month, with an average temperature fluctuating between -2.2°C (28°F) and -10.6°C (12.9°F). January is the coldest month of the year, registering average temperatures as high as -2.2°C (28°F) and as low as -10.6°C (12.9°F). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Riddes, Switzerland, with temperature in the range of an average high of -1.9°C (28.6°F) and an average low of -10.8°C (12.6°F). February notes an average high-temperature of a still subzero cold -1.9°C (28.6°F), subtly differing from January's -2.2°C (28°F). Weather in February »Weather in March
The first month of the spring, March, is a cold month in Riddes, Switzerland, with temperature in the range of an average low of -7.1°C (19.2°F) and an average high of 1.2°C (34.2°F). A soft shift in the average high-temperature is noticeable in March, transitioning from a subzero cold -1.9°C (28.6°F) in February to a wintry 1.2°C (34.2°F). Weather in March »Weather in April
April, the same as March, is a wintry spring month in Riddes, Switzerland, with an average temperature fluctuating between 5.7°C (42.3°F) and -2.6°C (27.3°F). With the beginning of April, Riddes's average high-temperature sees a minor increase, transitioning from a cold 1.2°C (34.2°F) in March to a still icy 5.7°C (42.3°F). Weather in April »Weather in May
May, the last month of the spring in Riddes, is a chilly month, with an average temperature varying between 0.4°C (32.7°F) and 9.4°C (48.9°F). In Riddes, the average high-temperature in May slightly rises, from an icy 5.7°C (42.3°F) in April, to a frosty 9.4°C (48.9°F). Weather in May »Weather in June
The first month of the summer, June, is a moderate month in Riddes, Switzerland, with temperature in the range of an average high of 14.3°C (57.7°F) and an average low of 4.7°C (40.5°F). Riddes's June weather indicates a minor ascent in high-temperatures, adjusting from a frosty 9.4°C (48.9°F) in May to a mild 14.3°C (57.7°F). Weather in June »Weather in July
July in Riddes, Switzerland, is a comfortable summer month, with temperature in the range of an average low of 6.4°C (43.5°F) and an average high of 16.8°C (62.2°F). July experiences an average high-temperature of a comfortable 16.8°C (62.2°F), barely different from June's 14.3°C (57.7°F). Weather in July »Weather in August
August, the last month of the summer in Riddes, is another comfortable month, with an average temperature varying between 17°C (62.6°F) and 6.4°C (43.5°F). August, known for its average high temperature of 17°C (62.6°F) and an average low temperature of 6.4°C (43.5°F), is the warmest month. Weather in August »Weather in September
September, the first month of the autumn in Riddes, is also a fresh month, with an average temperature ranging between max 12.7°C (54.9°F) and min 3.6°C (38.5°F). Riddes's weather subtly changes with the onset of September, barely falling from an enjoyable 17°C (62.6°F) in August to a cool 12.7°C (54.9°F). Weather in September »Weather in October
October, the same as September, in Riddes, Switzerland, is another chilly autumn month, with an average temperature ranging between max 8.5°C (47.3°F) and min 0.2°C (32.4°F). October's onset introduces a mild reduction in the average high-temperature, from a cool 12.7°C (54.9°F) in September to a frosty 8.5°C (47.3°F). Weather in October »Weather in November
November, the last month of the autumn in Riddes, is another cold month, with an average temperature varying between -4.3°C (24.3°F) and 2.9°C (37.2°F). The shift to November brings a decrease in the average high-temperature, falling from a chilly 8.5°C (47.3°F) in October to an icy 2.9°C (37.2°F). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Riddes, Switzerland, with an average temperature fluctuating between -0.8°C (30.6°F) and -9.1°C (15.6°F). Riddes's progression into December involves a minor drop in the average high-temperature, slightly receding from a wintry 2.9°C (37.2°F) in November to a freezing cold -0.8°C (30.6°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Riddes, Switzerland
The warmest month (with the highest average high temperature) is August (17°C).
The month with the lowest average high temperature is January (-2.2°C).
The months with the highest average low temperature are July and August (6.4°C).
The coldest month (with the lowest average low temperature) is February (-10.8°C).
Average pressure
Riddes, Switzerland
- Average pressure in January:
1019.2mbar - Average pressure in February:
1017.4mbar - Average pressure in March:
1016.7mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1015.7mbar - Average pressure in June:
1016.2mbar
- Average pressure in July:
1016.8mbar - Average pressure in August:
1017.6mbar - Average pressure in September:
1018.2mbar - Average pressure in October:
1018.3mbar - Average pressure in November:
1015.8mbar - 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
Riddes, 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:
7.5km/h - Average wind speed in May:
7.2km/h - Average wind speed in June:
7km/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:
8.3km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity
Riddes, Switzerland
The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are July, August and October (79%).
Average rainfall
Riddes, Switzerland
The wettest month (with the highest rainfall) is May (110mm).
The driest month (with the least rainfall) is September (45mm).
Average rainfall days
Riddes, Switzerland
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
12.7 days - Average rainfall days in March:
17.2 days - Average rainfall days in April:
20.8 days - Average rainfall days in May:
23.3 days - Average rainfall days in June:
22.2 days
- Average rainfall days in July:
21.8 days - Average rainfall days in August:
19.4 days - Average rainfall days in September:
17.1 days - Average rainfall days in October:
13 days - Average rainfall days in November:
14.5 days - Average rainfall days in December:
12.7 days
The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is January (11.8 days).
Average snowfall
Riddes, Switzerland
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days
Riddes, Switzerland
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
8.4 days - Average snowfall days in March:
6.6 days - Average snowfall days in April:
2.2 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Riddes, Switzerland
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 42min
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:
5h - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h - Average sunshine in August:
10h - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 24min - Average sunshine in December:
5h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 5h).
Average sunshine days
Riddes, Switzerland
- Average sunshine days in January:
13.2 days - Average sunshine days in February:
9.9 days - Average sunshine days in March:
7.8 days - Average sunshine days in April:
6.1 days - Average sunshine days in May:
4.7 days - Average sunshine days in June:
5.5 days
- Average sunshine days in July:
5.3 days - Average sunshine days in August:
7.4 days - Average sunshine days in September:
9.4 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
12.6 days - Average sunshine days in December:
13.8 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is May (4.7 days).
Average UV index
Riddes, Switzerland
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and March (UV index 1).
Average cloud cover
Riddes, Switzerland
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 36).
Average visibility
Riddes, Switzerland
The months with the highest visibility are June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May and September (7km).





