Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The transition from April to May brings a subtle temperature rise, with average high-temperatures increasing from a wintry 2.4°C (36.3°F) to a still icy 5.8°C (42.4°F). An average nighttime temperature of -2°C (28.4°F) is noted in Arolla during the month of May.Humidity
In Arolla, Switzerland, the average relative humidity in May is 89%.Rainfall
The month with the most rainfall in Arolla is May, when the rain falls for 14.8 days and typically aggregates up to 154mm (6.06") of precipitation.Snowfall
Months with snowfall in Arolla are January through December. In Arolla, in May, snow falls for 19.5 days, with typically accumulated 900mm (35.43") of snow. Throughout the year, there are 168.8 snowfall days, and 6180mm (243.31") of snow is accumulated.Daylight
In May, the average length of the day is 14h and 58min.On the first day of the month, sunrise is at 06:15 and sunset at 20:38. On the last day of May, in Arolla, sunrise is at 05:42 and sunset at 21:12 CEST.
Sunshine
In Arolla, the average sunshine in May is 7h.UV index
In Arolla, the average daily maximum UV index in May is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 2 in May translates into this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
How cold is it in Arolla in May?
What is the average humidity in May in Arolla?
What is the rainiest month in Arolla?
How much does it rain in Arolla in May?
How much does it snow in Arolla in May?
How many hours of daylight does Arolla have in May?
When are sunrise and sunset in May in Arolla?
How long on average sun shines in May in Arolla?
What is the UV index intensity in May in Arolla?
Average temperature in May
Arolla, Switzerland
- Average high temperature in May: 5.8°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 May: -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 May
Arolla, Switzerland
- Average pressure in May: 1015.4mbar
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 May
Arolla, Switzerland
- Average wind speed in May: 7.7km/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 May
Arolla, Switzerland
- Average humidity in May: 89%
The month with the highest relative humidity is April (91%).
The month with the lowest relative humidity is July (80%).
Average rainfall in May
Arolla, Switzerland
- Average rainfall in May: 154mm
The wettest month (with the highest rainfall) is May (154mm).
The driest month (with the least rainfall) is February (58mm).
Average rainfall days in May
Arolla, Switzerland
- Average rainfall days in May: 14.8 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 May
Arolla, Switzerland
- Average snowfall in May: 900mm
The month with the highest snowfall is November (1031mm).
The month with the least snowfall is July (11mm).
Average snowfall days in May
Arolla, Switzerland
- Average snowfall days in May: 19.5 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 May /
Average sunshine in May
Arolla, Switzerland
- Average daylight in May: 15h and 0min
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 May: 7h and 0min
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 May
Arolla, Switzerland
- Average sunshine days in May: 4.6 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 May
Arolla, Switzerland
- Average UV index in May: 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 May
Arolla, Switzerland
- Average cloud cover in May: 60
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 May
Arolla, Switzerland
- Average visibility in May: 6km
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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