Weather in April
Temperature
Basel in April denotes a subtle temperature transition, adjusting from an average high of a cool 11.2°C (52.2°F) in March to a mild 15.2°C (59.4°F). In April, Basel encounters an average low-temperature of 5.1°C (41.2°F) during the night.Humidity
With an average relative humidity of 68%, April is the least humid month in Basel.Rainfall
In April, the rain falls for 10.2 days. Throughout April, 64mm (2.52") of precipitation is accumulated. Throughout the year, in Basel, there are 120.4 rainfall days, and 843mm (33.19") of precipitation is accumulated.Snowfall
Months with snowfall in Basel are January through April, October through December. April is the last month it regularly snows in Basel. During 0.2 snowfall days, in April, Basel aggregates 7mm (0.28") of snow. In Basel, Switzerland, during the entire year, snow falls for 11.1 days and aggregates up to 369mm (14.53") of snow.Daylight
In Basel, the average length of the day in April is 13h and 39min.On the first day of the month, sunrise is at 07:07 and sunset at 19:59. On the last day of April, in Basel, sunrise is at 06:13 and sunset at 20:40 CEST.
Sunshine
In Basel, the average sunshine in April is 5.1h.UV index
In April, the average daily maximum UV index in Basel is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 during April translates into the following directions:
Guard yourself - Avoiding sunburn is suggested. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What are April temperatures in Basel?
What is the least humid month in Basel?
What is the average humidity in April in Basel?
How much does it rain in Basel in April?
What is the last month it snows in Basel?
How many hours of daylight does Basel have in April?
When is the sunrise / sunset in April in Basel?
How many hours of sunshine does Basel have in April?
What is the UV index intensity in April in Basel?
Average temperature in April
Basel, Switzerland
- Average high temperature in April: 15.2°C
The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in April: 5.1°C
The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).
Average humidity in April
Basel, Switzerland
- Average humidity in April: 68%
The months with the highest relative humidity are November and December (82%).
The month with the lowest relative humidity is April (68%).
Average rainfall in April
Basel, Switzerland
- Average rainfall in April: 64mm
The wettest month (with the highest rainfall) is May (99mm).
The driest month (with the least rainfall) is February (45mm).
Average rainfall days in April
Basel, Switzerland
- Average rainfall days in April: 10.2 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in April
Basel, Switzerland
- Average snowfall in April: 7mm
The month with the highest snowfall is February (115mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in April
Basel, Switzerland
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Basel, 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 30min).
- Average sunshine in April: 5h and 1min
The month with the most sunshine is July (Average sunshine: 7h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average UV index in April
Basel, Switzerland
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 1).
Basel, Switzerland
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