Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The onset of October coincides with a reduction in the average high-temperature, falling from a fresh 10.4°C (50.7°F) in September to a wintry 5.4°C (41.7°F). Arolla experiences an average temperature drop to a freezing cold -2°C (28.4°F) during October nights.Humidity
In Arolla, the average relative humidity in October is 83%.Rainfall
In Arolla, in October, it is raining for 9.2 days, with typically 90mm (3.54") of accumulated precipitation. Throughout the year, in Arolla, there are 138.3 rainfall days, and 1170mm (46.06") of precipitation is accumulated.Snowfall
January through December are months with snowfall. In Arolla, during October, snow falls for 12.2 days and regularly aggregates up to 634mm (24.96") of snow. Throughout the year, in Arolla, there are 168.8 snowfall days, and 6180mm (243.31") of snow is accumulated.Daylight
In Arolla, the average length of the day in October is 10h and 55min.On the first day of October in Arolla, sunrise is at 07:29 and sunset at 19:10 CEST. On the last day of the month, sunrise is at 07:09 and sunset at 17:17 CET.
Note: On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 02:00; consequently, the time zone reverts from CET to CEST.
Sunshine
The average sunshine in October in Arolla is 5.8h.UV index
The average daily maximum UV index in October in Arolla is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In October, a regular UV index of 2 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold does it get in Arolla in October?
What is the average humidity in October in Arolla?
How many days does it rain in October in Arolla?
How much does it snow in Arolla in October?
How many hours of daylight does Arolla have in October?
When are sunrise and sunset in October in Arolla?
When does Daylight Saving Time (DST) end in October in Arolla?
How many hours of sunshine does Arolla have in October?
How high is the UV index in October in Arolla?
Average temperature in October
Arolla, Switzerland
- Average high temperature in October: 5.4°C
The warmest months (with the highest average high temperature) are July and August (14.4°C).
The month with the lowest average high temperature is January (-4.2°C).
- Average low temperature in October: -2°C
The month with the highest average low temperature is August (4.7°C).
The coldest month (with the lowest average low temperature) is January (-13.3°C).
Average pressure in October
Arolla, Switzerland
- Average pressure in October: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in October
Arolla, Switzerland
- Average wind speed in October: 8.1km/h
The windiest month (with the highest average wind speed) is December (10km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in October
Arolla, Switzerland
- Average humidity in October: 83%
The month with the highest relative humidity is April (91%).
The month with the lowest relative humidity is July (80%).
Average rainfall in October
Arolla, Switzerland
- Average rainfall in October: 90mm
The wettest month (with the highest rainfall) is May (154mm).
The driest month (with the least rainfall) is February (58mm).
Average rainfall days in October
Arolla, Switzerland
- Average rainfall days in October: 9.2 days
The month with the highest number of rainy days is July (23 days).
The month with the least rainy days is November (3.5 days).
Average snowfall in October
Arolla, Switzerland
- Average snowfall in October: 634mm
The month with the highest snowfall is November (1031mm).
The month with the least snowfall is July (11mm).
Average snowfall days in October
Arolla, Switzerland
- Average snowfall days in October: 12.2 days
The month with the highest number of snowfall days is April (23.8 days).
The months with the least snowfall days are July and August (1.3 days).
Average daylight in October /
Average sunshine in October
Arolla, Switzerland
- Average daylight in October: 10h and 5min
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 October: 5h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 30min).
Average sunshine days in October
Arolla, Switzerland
- Average sunshine days in October: 14.5 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is June (4.1 days).
Average UV index in October
Arolla, Switzerland
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, April and November (UV index 1).
Average cloud cover in October
Arolla, Switzerland
- Average cloud cover in October: 47
The month with the most cloud cover is April (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in October
Arolla, Switzerland
- Average visibility in October: 7km
The months with the highest visibility are June, July and August (8km).
The months with the lowest visibility are February, March, April, May and November (6km).
Arolla, Switzerland
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