April weather forecastSempach, Switzerland

April weather for Sempach, Switzerland: In Sempach, in April, during 1.3 snowfall days, 53mm (2.09") of snow is typically accumulated. In Sempach, in April, during 1.3 snowfall days, 53mm (2.09") of snow is typically accumulated.

April

Weather in April

April is a cool spring month in Sempach, Switzerland, with temperature in the range of an average high of 12.8°C (55°F) and an average low of 2.2°C (36°F).

Temperature

With the arrival of April, the average high-temperature transitions from a frosty 7°C (44.6°F) in March to a fresh 12.8°C (55°F). During April, the nighttime temperature in Sempach averages of 2.2°C (36°F).

Humidity

The average relative humidity in April is 78%.

Rainfall

In Sempach, in April, it is raining for 16.7 days, with typically 58mm (2.28") of accumulated precipitation. In Sempach, during the entire year, the rain falls for 186.8 days and collects up to 981mm (38.62") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Sempach, in April, during 1.3 snowfall days, 53mm (2.09") of snow is typically accumulated. Throughout the year, there are 35.5 snowfall days, and 692mm (27.24") of snow is accumulated.

Daylight

In Sempach, Switzerland, the average length of the day in April is 13h and 38min.
On the first day of the month, sunrise is at 07:04 and sunset at 19:56. On the last day of April, sunrise is at 06:11 and sunset at 20:36 CEST.

Sunshine

In Sempach, Switzerland, the average sunshine in April is 9.3h.

UV index

The average daily maximum UV index in April in Sempach is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 3 in April suggests the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

The average high-temperature and low-temperature during April are 12.8°C (55°F) and 2.2°C (36°F) respectively.

The average relative humidity in April in Sempach, Switzerland, is 78%.

In Sempach, during April, the rain falls for 16.7 days and regularly aggregates up to 58mm (2.28") of precipitation.

In Sempach, in April, during 1.3 snowfall days, 53mm (2.09") of snow is typically accumulated.

In April, the average day length in Sempach, Switzerland, is 13h and 38min.

On the first day of April in Sempach, Switzerland, sunrise is at 07:04 and sunset at 19:56. On the last day of the month, sunrise is at 06:11 and sunset at 20:36 CEST.

In April, the average sunshine duration in Sempach is 9.3h.

In April, the average daily maximum UV index in Sempach is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Sempach, Switzerland

  • Average high temperature in April: 12.8°C

The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (2.2°C).

  • Average low temperature in April: 2.2°C

The month with the highest average low temperature is August (10.9°C).
The coldest month (with the lowest average low temperature) is February (-4.9°C).

Average pressure in April
Sempach, Switzerland

  • Average pressure in April: 1015.6mbar

The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in April
Sempach, Switzerland

  • Average wind speed in April: 7.2km/h

The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

Average humidity in April
Sempach, Switzerland

  • Average humidity in April: 78%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (77%).

Average rainfall in April
Sempach, Switzerland

  • Average rainfall in April: 58mm

The wettest month (with the highest rainfall) is July (121mm).
The driest month (with the least rainfall) is September (52mm).

Average rainfall days in April
Sempach, Switzerland

  • Average rainfall days in April: 16.7 days

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is October (11.2 days).

Average snowfall in April
Sempach, Switzerland

  • Average snowfall in April: 53mm

The month with the highest snowfall is February (169mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April
Sempach, Switzerland

  • Average snowfall days in April: 1.3 days

The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in April: 13h and 36min

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 18min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in April
Sempach, Switzerland

  • Average sunshine days in April: 10.6 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (7.3 days).

Average UV index in April
Sempach, 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, March, November and December (UV index 2).

Average cloud cover in April
Sempach, Switzerland

  • Average cloud cover in April: 38

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in April
Sempach, Switzerland

  • Average visibility in April: 8km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is January (7km).