April weather forecastSumiswald, Switzerland
April
Weather in April
April is a moderate spring month in Sumiswald, Switzerland, with an average temperature ranging between min 3°C (37.4°F) and max 13.4°C (56.1°F).Temperature
As Sumiswald transitions into April, a rise in the average high-temperature is observed, moving from a chilly 7.9°C (46.2°F) in March to a mild 13.4°C (56.1°F). In the month of April, Sumiswald's average low-temperature falls to an icy 3°C (37.4°F).Humidity
In April, the average relative humidity in Sumiswald is 78%.Rainfall
In Sumiswald, Switzerland, in April, during 13.5 rainfall days, 51mm (2.01") of precipitation is typically accumulated. Throughout the year, in Sumiswald, Switzerland, there are 158.6 rainfall days, and 789mm (31.06") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Sumiswald, Switzerland. In Sumiswald, in April, during 3.8 snowfall days, 101mm (3.98") of snow is typically accumulated. In Sumiswald, during the entire year, snow falls for 59.1 days and aggregates up to 1284mm (50.55") of snow.Daylight
In April, the average length of the day in Sumiswald is 13h and 37min.On the first day of April in Sumiswald, Switzerland, sunrise is at 07:06 and sunset at 19:58. On the last day of the month, sunrise is at 06:13 and sunset at 20:38 CEST.
Sunshine
In April, the average sunshine in Sumiswald, Switzerland, is 9.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sumiswald, Switzerland
- Average high temperature in April: 13.4°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in April: 3°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).
Average pressure in April
Sumiswald, Switzerland
- Average pressure in April: 1015.6mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in April
Sumiswald, Switzerland
- Average wind speed in April: 7.4km/h
The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in April
Sumiswald, Switzerland
- Average humidity in April: 78%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (77%).
Average rainfall in April
Sumiswald, Switzerland
- Average rainfall in April: 51mm
The wettest month (with the highest rainfall) is June (99mm).
The driest month (with the least rainfall) is September (37mm).
Average rainfall days in April
Sumiswald, Switzerland
- Average rainfall days in April: 13.5 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in April
Sumiswald, Switzerland
- Average snowfall in April: 101mm
The month with the highest snowfall is January (269mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Sumiswald, Switzerland
- Average snowfall days in April: 3.8 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sumiswald, Switzerland
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in April
Sumiswald, Switzerland
- Average sunshine days in April: 12.1 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in April
Sumiswald, Switzerland
- Average UV index in April: 3
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 April
Sumiswald, Switzerland
- Average cloud cover in April: 40
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Sumiswald, Switzerland
- Average visibility in April: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
