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
May
Weather in May
Temperature
As Olten welcomes May, the average high-temperature sees a modest rise, transitioning from a mild 14.3°C (57.7°F) in April to a still refreshing 17.3°C (63.1°F). In May, Olten records an average nighttime temperature of 5.8°C (42.4°F).Humidity
In Olten, the average relative humidity in May is 81%.Rainfall
The month with the most rainfall is May, when the rain falls for 22.4 days and typically aggregates up to 106mm (4.17") of precipitation.Snowfall
Months with snowfall in Olten are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Olten aggregates 11mm (0.43") of snow. In Olten, during the entire year, snow falls for 39.9 days and aggregates up to 652mm (25.67") of snow.Daylight
The average length of the day in May is 15h and 7min.On the first day of May in Olten, sunrise is at 06:10 and sunset at 20:40. On the last day of the month, sunrise is at 05:35 and sunset at 21:16 CEST.
Sunshine
In Olten, the average sunshine in May is 9.1h.UV index
In Olten, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Olten in May?
What is the average humidity in May in Olten?
What is the wettest month in Olten?
How many days does it rain in May in Olten?
What is the last month it snows in Olten?
What is the average length of the day in May in Olten?
What time are sunrise and sunset in May in Olten?
How many hours of sunshine does Olten have in May?
What is the UV index intensity in May in Olten?
Average temperature in May
Olten, Switzerland
- Average high temperature in May: 17.3°C
The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in May: 5.8°C
The months with the highest average low temperature are July and August (11.8°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in May
Olten, Switzerland
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in May
Olten, Switzerland
- Average wind speed in May: 7.6km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in May
Olten, Switzerland
- Average humidity in May: 81%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in May
Olten, Switzerland
- Average rainfall in May: 106mm
The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is September (45mm).
Average rainfall days in May
Olten, Switzerland
- Average rainfall days in May: 22.4 days
The month with the highest number of rainy days is May (22.4 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in May
Olten, Switzerland
- Average snowfall in May: 11mm
The month with the highest snowfall is February (153mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Olten, Switzerland
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Olten, Switzerland
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in May
Olten, Switzerland
- Average sunshine days in May: 6.6 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (6.6 days).
Average UV index in May
Olten, Switzerland
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Olten, Switzerland
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Olten, Switzerland
- Average visibility in May: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
