April weather forecast
Grenchen, Switzerland

April

Weather in April

April is a mild spring month in Grenchen, Switzerland, with temperature in the range of an average high of 14°C (57.2°F) and an average low of 3.5°C (38.3°F).

Temperature

Grenchen's weather in April presents a rise in the average high-temperature, moving from a chilly 8.8°C (47.8°F) in March to a refreshing 14°C (57.2°F). An average low-temperature of 3.5°C (38.3°F) is noted in Grenchen during the month of April.

Humidity

The months with the lowest humidity are April, July and August, with an average relative humidity of 79%.

Rainfall

In Grenchen, in April, it is raining for 17.7 days, with typically 59mm (2.32") of accumulated precipitation. Throughout the year, there are 195.6 rainfall days, and 870mm (34.25") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Grenchen, Switzerland, in April, snow falls for 1.1 days, with typically accumulated 23mm (0.91") of snow. In Grenchen, during the entire year, snow falls for 37.6 days and aggregates up to 557mm (21.93") of snow.

Daylight

In April, the average length of the day in Grenchen is 13h and 38min.
On the first day of April in Grenchen, Switzerland, sunrise is at 07:08 and sunset at 20:00. On the last day of the month, sunrise is at 06:14 and sunset at 20:40 CEST.

Sunshine

In Grenchen, the average sunshine in April is 9.1h.

UV index

The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 3 during April leads to these instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

What are the temperatures in Grenchen in April?
The high-temperature, in April, in Grenchen, is 14°C (57.2°F), while the low-temperature averages to 3.5°C (38.3°F).
What are the least humid months in Grenchen?
The months with the lowest humidity are April, July and August, with an average relative humidity of 79%.
What is the average humidity in April in Grenchen?
In Grenchen, the average relative humidity in April is 79%.
How many days does it rain in April in Grenchen?
In Grenchen, Switzerland, in April, during 17.7 rainfall days, 59mm (2.32") of precipitation is typically accumulated.
How many days does it snow in April in Grenchen?
In April, it is snowing for 1.1 days. Throughout April, 23mm (0.91") of snow is accumulated.
What is the average length of the day in April in Grenchen?
The average day length in April in Grenchen, Switzerland, is 13h and 38min.
When is the sunrise / sunset in April in Grenchen?
In April, on the first day of the month, sunrise is at 07:08 and sunset at 20:00. On the last day of the month, in Grenchen, sunrise is at 06:14 and sunset at 20:40 CEST.
How many hours of sunshine does Grenchen have in April?
In Grenchen, the average sunshine duration in April is 9.1h.
What is the UV index reading in April in Grenchen?
The average daily maximum UV index in April in Grenchen is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in April - Grenchen, Switzerland
Average temperature in April
Grenchen, Switzerland
  • Average high temperature in April: 14°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 (2.7°C).

  • Average low temperature in April: 3.5°C

The month with the highest average low temperature is July (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (-2.8°C).

Average pressure in April - Grenchen, Switzerland
Average pressure in April
Grenchen, 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 - Grenchen, Switzerland
Average wind speed in April
Grenchen, Switzerland
  • Average wind speed in April: 8.3km/h

The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).

Average humidity in April - Grenchen, Switzerland
Average humidity in April
Grenchen, Switzerland
  • Average humidity in April: 79%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April, July and August (79%).

Average rainfall in April - Grenchen, Switzerland
Average rainfall in April
Grenchen, Switzerland
  • Average rainfall in April: 59mm

The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (46mm).

Average rainfall days in April - Grenchen, Switzerland
Average rainfall days in April
Grenchen, Switzerland
  • Average rainfall days in April: 17.7 days

The month with the highest number of rainy days is May (21.9 days).
The month with the least rainy days is February (12.3 days).

Average snowfall in April - Grenchen, Switzerland
Average snowfall in April
Grenchen, Switzerland
  • Average snowfall in April: 23mm

The month with the highest snowfall is February (133mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in April - Grenchen, Switzerland
Average snowfall days in April
Grenchen, Switzerland
  • Average snowfall days in April: 1.1 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in April / Average sunshine in April - Grenchen, Switzerland
Average daylight in April /
Average sunshine in April
Grenchen, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in April - Grenchen, Switzerland
Average sunshine days in April
Grenchen, Switzerland
  • Average sunshine days in April: 9.7 days

The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is May (6.7 days).

Average UV index in April - Grenchen, Switzerland
Average UV index in April
Grenchen, 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 - Grenchen, Switzerland
Average cloud cover in April
Grenchen, Switzerland
  • Average cloud cover in April: 40

The months with the most cloud cover are January, February and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in April - Grenchen, Switzerland
Average visibility in April
Grenchen, Switzerland
  • Average visibility in April: 9km

The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).

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