Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Heimiswil in April shows a temperature shift, moving from an average high of a chilly 7.9°C (46.2°F) in March to a mild 13.4°C (56.1°F). Heimiswil's nights in April cool down to an average low-temperature of 3°C (37.4°F).Humidity
In April, the average relative humidity is 78%.Rainfall
In Heimiswil, during April, the rain falls for 13.5 days and regularly aggregates up to 51mm (2.01") of precipitation. Throughout the year, there are 158.6 rainfall days, and 789mm (31.06") of precipitation is accumulated.Snowfall
Months with snowfall in Heimiswil are January through May, October through December. In Heimiswil, in April, during 3.8 snowfall days, 101mm (3.98") of snow is typically accumulated. Throughout the year, there are 59.1 snowfall days, and 1284mm (50.55") of snow is accumulated.Daylight
In April, the average length of the day in Heimiswil is 13h and 38min.On the first day of April, sunrise is at 07:07 and sunset at 19:58. On the last day of the month, sunrise is at 06:14 and sunset at 20:38 CEST.
Sunshine
In Heimiswil, the average sunshine in April is 9.1h.UV index
In April, the average daily maximum UV index in Heimiswil is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the average April temperature in Heimiswil?
What is the average humidity in April in Heimiswil?
How many days does it rain in April in Heimiswil?
How many days does it snow in April in Heimiswil?
What is the average length of the day in April in Heimiswil?
When is the sunrise / sunset in April in Heimiswil?
How long on average sun shines in April in Heimiswil?
What is the UV index reading in April in Heimiswil?
Average temperature in April
Heimiswil, 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
Heimiswil, 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
Heimiswil, 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
Heimiswil, 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
Heimiswil, 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
Heimiswil, 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
Heimiswil, 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
Heimiswil, 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
Heimiswil, Switzerland
- Average daylight in April: 13h and 4min
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 1min
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
Heimiswil, 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
Heimiswil, 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
Heimiswil, 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
Heimiswil, 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).
Heimiswil, Switzerland
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