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
A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from a fresh 12°C (53.6°F) in April to a refreshing 15.2°C (59.4°F). In May, Oberhelfenschwil records an average nighttime temperature of 4.8°C (40.6°F).Humidity
In May, the average relative humidity is 80%.Rainfall
May is the month with the most rainfall. Rain falls for 15.3 days and accumulates 91mm (3.58") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Oberhelfenschwil aggregates 32mm (1.26") of snow. In Oberhelfenschwil, during the entire year, snow falls for 53.4 days and aggregates up to 1344mm (52.91") of snow.Daylight
In Oberhelfenschwil, the average length of the day in May is 15h and 7min.On the first day of the month, sunrise is at 06:05 and sunset at 20:35. On the last day of May, sunrise is at 05:31 and sunset at 21:11 CEST.
Sunshine
The average sunshine in May in Oberhelfenschwil, Switzerland, is 9h.UV index
The average daily maximum UV index in May in Oberhelfenschwil is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 4 during May leads to these instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Oberhelfenschwil?
What is the average humidity in May in Oberhelfenschwil?
What is the wettest month in Oberhelfenschwil?
How much does it rain in Oberhelfenschwil in May?
What is the last month it snows in Oberhelfenschwil?
What is the average length of the day in May in Oberhelfenschwil?
What time are sunrise and sunset in May in Oberhelfenschwil?
How many hours of sunshine does Oberhelfenschwil have in May?
How high is the UV index in May in Oberhelfenschwil?
Average temperature in May
Oberhelfenschwil, Switzerland
- Average high temperature in May: 15.2°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in May: 4.8°C
The month with the highest average low temperature is August (10.5°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).
Average pressure in May
Oberhelfenschwil, Switzerland
- Average pressure in May: 1016.1mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in May
Oberhelfenschwil, Switzerland
- Average wind speed in May: 6.9km/h
The windiest month (with the highest average wind speed) is December (8km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in May
Oberhelfenschwil, Switzerland
- Average humidity in May: 80%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in May
Oberhelfenschwil, Switzerland
- Average rainfall in May: 91mm
The wettest month (with the highest rainfall) is May (91mm).
The driest month (with the least rainfall) is November (36mm).
Average rainfall days in May
Oberhelfenschwil, Switzerland
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in May
Oberhelfenschwil, Switzerland
- Average snowfall in May: 32mm
The month with the highest snowfall is January (417mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Oberhelfenschwil, Switzerland
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Oberhelfenschwil, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in May
Oberhelfenschwil, Switzerland
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is October (19.3 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in May
Oberhelfenschwil, 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 November and December (UV index 1).
Average cloud cover in May
Oberhelfenschwil, Switzerland
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Oberhelfenschwil, Switzerland
- Average visibility in May: 8km
The month with the highest visibility is July (9km).
The months with the lowest visibility are January and February (7km).
