April weather forecast
Koblenz, Switzerland

April

Weather in April

April is a mild spring month in Koblenz, Switzerland, with an average temperature varying between 15.3°C (59.5°F) and 3.8°C (38.8°F).

Temperature

In April, the average high-temperature increases from a chilly 9.6°C (49.3°F) in March to a mild 15.3°C (59.5°F). Koblenz experiences an average nighttime temperature of 3.8°C (38.8°F) in the month of April.

Humidity

The months with the lowest humidity are April and July, with an average relative humidity of 76%.

Rainfall

The months with the least rainfall are April and September Rain falls for 13.4 days and accumulates 38mm (1.5") of rain.

Snowfall

Months with snowfall in Koblenz are January through May, October through December. In Koblenz, in April, snow falls for 1.4 days, with typically accumulated 48mm (1.89") of snow. Throughout the year, in Koblenz, Switzerland, there are 52.6 snowfall days, and 964mm (37.95") of snow is accumulated.

Daylight

The average length of the day in April in Koblenz is 13h and 40min.
On the first day of the month, sunrise is at 07:04 and sunset at 19:57. On the last day of April, sunrise is at 06:10 and sunset at 20:37 CEST.

Sunshine

The average sunshine in April in Koblenz is 9.1h.

UV index

The average daily maximum UV index in April in Koblenz is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 3 in April transforms into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

What are the temperatures in Koblenz in April?
An average high-temperature, in April, in Koblenz, is 15.3°C (59.5°F) and the average low-temperature is 3.8°C (38.8°F).
What are the least humid months in Koblenz?
The months with the lowest humidity in Koblenz are April and July, with an average relative humidity of 76%.
What is the average humidity in April in Koblenz?
The average relative humidity in April in Koblenz, Switzerland, is 76%.
What is the driest month in Koblenz?
The months with the least rainfall in Koblenz are April and September Rain falls for 13.4 days and accumulates 38mm (1.5") of rain.
How much does it rain in Koblenz in April?
In April, in Koblenz, the rain falls for 13.4 days. Throughout April, 38mm (1.5") of precipitation is accumulated.
How much does it snow in Koblenz in April?
In April, it is snowing for 1.4 days. Throughout April, 48mm (1.89") of snow is accumulated.
How many hours of daylight does Koblenz have in April?
The average day length in April in Koblenz is 13h and 40min.
When are sunrise and sunset in April in Koblenz?
On the first day of April in Koblenz, Switzerland, sunrise is at 07:04 and sunset at 19:57. On the last day of the month, sunrise is at 06:10 and sunset at 20:37 CEST.
How many hours of sunshine does Koblenz have in April?
The average sunshine duration in April in Koblenz is 9.1h.
How high is the UV index in April in Koblenz?
The average daily maximum UV index in April in Koblenz, Switzerland, is 3. A UV Index value of 3 to 5 symbolizes 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 - Koblenz, Switzerland
Average temperature in April
Koblenz, Switzerland
  • Average high temperature in April: 15.3°C

The warmest months (with the highest average high temperature) are July and August (24.4°C).
The month with the lowest average high temperature is January (3.3°C).

  • Average low temperature in April: 3.8°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

Average pressure in April - Koblenz, Switzerland
Average pressure in April
Koblenz, 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 - Koblenz, Switzerland
Average wind speed in April
Koblenz, Switzerland
  • Average wind speed in April: 7.4km/h

The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).

Average humidity in April - Koblenz, Switzerland
Average humidity in April
Koblenz, Switzerland
  • Average humidity in April: 76%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in April - Koblenz, Switzerland
Average rainfall in April
Koblenz, Switzerland
  • Average rainfall in April: 38mm

The wettest month (with the highest rainfall) is August (82mm).
The driest months (with the least rainfall) are April and September (38mm).

Average rainfall days in April - Koblenz, Switzerland
Average rainfall days in April
Koblenz, Switzerland
  • Average rainfall days in April: 13.4 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in April - Koblenz, Switzerland
Average snowfall in April
Koblenz, Switzerland
  • Average snowfall in April: 48mm

The month with the highest snowfall is December (232mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April - Koblenz, Switzerland
Average snowfall days in April
Koblenz, Switzerland
  • Average snowfall days in April: 1.4 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in April - Koblenz, Switzerland
Average sunshine days in April
Koblenz, Switzerland
  • Average sunshine days in April: 14.3 days

The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (11 days).

Average UV index in April - Koblenz, Switzerland
Average UV index in April
Koblenz, 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 - Koblenz, Switzerland
Average cloud cover in April
Koblenz, Switzerland
  • Average cloud cover in April: 39

The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).

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

The months with the highest visibility are April, July and August (9km).
The months with the lowest visibility are January and February (7km).

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