April weather forecast
Therwil, Switzerland

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Weather in April

April is a moderate spring month in Therwil, Switzerland, with an average temperature varying between 15.2°C (59.4°F) and 4.7°C (40.5°F).

Temperature

April witnesses an increase in the average high-temperature, moving from a fresh 10.2°C (50.4°F) in March to a refreshing 15.2°C (59.4°F). An average low-temperature of 4.7°C (40.5°F) is noted during the nights in April.

Humidity

April, July and August, with an average relative humidity of 77%, are the least humid months in Therwil.

Rainfall

In Therwil, during April, the rain falls for 14.8 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, there are 178.8 rainfall days, and 677mm (26.65") of precipitation is accumulated.

Snowfall

In Therwil, snow does not fall in April through September.

Daylight

In Therwil, Switzerland, the average length of the day in April is 13h and 39min.
On the first day of April, sunrise is at 07:07 and sunset at 19:59. On the last day of the month, sunrise is at 06:13 and sunset at 20:40 CEST.

Sunshine

In Therwil, the average sunshine in April is 9h.

UV index

The average daily maximum UV index in April in Therwil, Switzerland, is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 in April converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Therwil in April?

The average high-temperature and low-temperature in Therwil during April are 15.2°C (59.4°F) and 4.7°C (40.5°F) respectively.

What is the least humid month in Therwil?

April, July and August, with an average relative humidity of 77%, are the least humid months in Therwil.

What is the average humidity in April in Therwil?

In April, the average relative humidity in Therwil is 77%.

How much does it rain in Therwil in April?

In Therwil, in April, it is raining for 14.8 days, with typically 41mm (1.61") of accumulated precipitation.

When it does not snow in Therwil?

April through September are months without snowfall.

Does it snow in Therwil in April?

In April, it doesn't snow. March is the latest month when it typically snows.

How many hours of daylight does Therwil have in April?

In Therwil, the average day length in April is 13h and 39min.

When is the sunrise / sunset in April in Therwil?

In April, on the first day of the month, sunrise is at 07:07 and sunset at 19:59. On the last day of the month, in Therwil, Switzerland, sunrise is at 06:13 and sunset at 20:40 CEST.

How long on average sun shines in April in Therwil?

In April, the average sunshine duration in Therwil is 9h.

How high is the UV index in April in Therwil?

In Therwil, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
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
Therwil, Switzerland

Average temperature in April - Therwil, Switzerland
  • Average high temperature in April: 15.2°C

The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (3.5°C).

  • Average low temperature in April: 4.7°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).

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Average pressure in April
Therwil, Switzerland

Average pressure in April - Therwil, Switzerland
  • Average pressure in April: 1015.7mbar

The month with the highest atmospheric pressure is December (1020.7mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).

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Average wind speed in April
Therwil, Switzerland

Average wind speed in April - Therwil, Switzerland
  • Average wind speed in April: 8.5km/h

The windiest months (with the highest average wind speed) are February and March (9.9km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

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Average humidity in April
Therwil, Switzerland

Average humidity in April - Therwil, Switzerland
  • Average humidity in April: 77%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April, July and August (77%).

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Average rainfall in April
Therwil, Switzerland

Average rainfall in April - Therwil, Switzerland
  • Average rainfall in April: 41mm

The wettest month (with the highest rainfall) is June (84mm).
The driest month (with the least rainfall) is September (33mm).

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Average rainfall days in April
Therwil, Switzerland

Average rainfall days in April - Therwil, Switzerland
  • Average rainfall days in April: 14.8 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is October (11.5 days).

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Average snowfall in April
Therwil, Switzerland

Average snowfall in April - Therwil, Switzerland
  • Average snowfall in April: 0mm

The month with the highest snowfall is December (61mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

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Average snowfall days in April
Therwil, Switzerland

Average snowfall days in April - Therwil, Switzerland
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Therwil, Switzerland

Average daylight in April / Average sunshine in April - Therwil, 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: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days in April
Therwil, Switzerland

Average sunshine days in April - Therwil, Switzerland
  • Average sunshine days in April: 12.2 days

The month with the most sunshine days is October (16.8 days).
The months with the least sunshine days are May and June (8.3 days).

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Average UV index in April
Therwil, Switzerland

Average UV index in April - Therwil, 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).

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Average cloud cover in April
Therwil, Switzerland

Average cloud cover in April - Therwil, Switzerland
  • Average cloud cover in April: 39

The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in April
Therwil, Switzerland

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

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

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Therwil, Switzerland

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