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
April's onset witnesses a shift in the average high-temperature, moving from a frosty 8.3°C (46.9°F) in March to a moderate 13.9°C (57°F). During April, Roggwil observes a consistent average nighttime temperature of 3.8°C (38.8°F).Humidity
In April, the average relative humidity is 76%.Rainfall
April is the month with the least rainfall in Roggwil. Rain falls for 14.5 days and accumulates 52mm (2.05") of precipitation.Snowfall
January through May, October through December are months with snowfall in Roggwil. In Roggwil, in April, during 2.8 snowfall days, 71mm (2.8") of snow is typically accumulated. In Roggwil, during the entire year, snow falls for 55.7 days and aggregates up to 1345mm (52.95") of snow.Daylight
In April, the average length of the day is 13h and 38min.On the first day of April, 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 Roggwil, the average sunshine in April is 9.6h.UV index
In Roggwil, Switzerland, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the average April temperature in Roggwil?
What is the average humidity in April in Roggwil?
What is the driest month in Roggwil?
How much does it rain in Roggwil in April?
How many days does it snow in April in Roggwil?
What is the average length of the day in April in Roggwil?
When is the sunrise / sunset in April in Roggwil?
How long on average sun shines in April in Roggwil?
How high is the UV index in April in Roggwil?
Average temperature in April
Roggwil, Switzerland
- Average high temperature in April: 13.9°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in April: 3.8°C
The months with the highest average low temperature are July and August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in April
Roggwil, Switzerland
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in April
Roggwil, Switzerland
- Average wind speed in April: 7.8km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in April
Roggwil, Switzerland
- Average humidity in April: 76%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).
Average rainfall in April
Roggwil, Switzerland
- Average rainfall in April: 52mm
The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in April
Roggwil, Switzerland
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in April
Roggwil, Switzerland
- Average snowfall in April: 71mm
The month with the highest snowfall is January (353mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Roggwil, Switzerland
- Average snowfall days in April: 2.8 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 and August (0 days).
Average daylight in April /
Average sunshine in April
Roggwil, Switzerland
- Average daylight in April: 13h and 4min
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 36min).
- Average sunshine in April: 9h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in April
Roggwil, Switzerland
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in April
Roggwil, 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, November and December (UV index 2).
Average cloud cover in April
Roggwil, Switzerland
- Average cloud cover in April: 36
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Roggwil, Switzerland
- Average visibility in April: 9km
The months with the highest visibility are April, May, June, July, August, October and November (9km).
The months with the lowest visibility are January, February, March, September and December (8km).
Roggwil, Switzerland
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