April weather forecast
Winterthur, Switzerland

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Weather in April

April in Winterthur evokes a true sense of spring, with temperatures favoring a mild climate. Temperatures tend to lie between 3.3°C (37.9°F) and 15.8°C (60.4°F), providing a balance between cool and moderately warm conditions. Most traces of winter snowfall are well past, highlighting spring's blossoming effect in the city. There's also a visibly enhancing pattern of daylight hours, aiding city dwellers to savor longer outdoor times.

Temperature

April sees a rise in the average high-temperature, climbing from a frosty 9.6°C (49.3°F) in March to a mild 15.8°C (60.4°F). Winterthur observes a noteworthy temperature drop from the daily highs during April nights, with a mean temperature of 3.3°C (37.9°F).

Humidity

April and July, with an average relative humidity of 76%, are the least humid months in Winterthur, Switzerland.

Rainfall

In Winterthur, in April, it is raining for 13.6 days, with typically 44mm (1.73") of accumulated precipitation. In Winterthur, during the entire year, the rain falls for 155.4 days and collects up to 704mm (27.72") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Winterthur, during April, snow falls for 1.3 days and regularly aggregates up to 38mm (1.5") of snow. Throughout the year, there are 42.6 snowfall days, and 729mm (28.7") of snow is accumulated.

Daylight

In Winterthur, the average length of the day in April is 13h and 39min.
On the first day of April, sunrise is at 07:02 and sunset at 19:55. On the last day of the month, sunrise is at 06:08 and sunset at 20:35 CEST.

Sunshine

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

UV index

In April, the average daily maximum UV index in Winterthur is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 3 during April translates into these guidelines:
Take precautions - Protection against sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To cut down UV radiation exposure by about half, sport a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

What is the temperature in April in Winterthur?

In Winterthur, 15.8°C (60.4°F) is the average high-temperature and 3.3°C (37.9°F) is the average low-temperature during April.

What is the least humid month in Winterthur?

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

What is the average humidity in April in Winterthur?

In April, the average relative humidity is 76%.

How many days does it rain in April in Winterthur?

In Winterthur, Switzerland, during April, the rain falls for 13.6 days and regularly aggregates up to 44mm (1.73") of precipitation.

How much does it snow in Winterthur in April?

In Winterthur, during April, snow falls for 1.3 days and regularly aggregates up to 38mm (1.5") of snow.

How many hours of daylight does Winterthur have in April?

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

When are sunrise and sunset in April in Winterthur?

On the first day of April in Winterthur, sunrise is at 07:02 and sunset at 19:55. On the last day of the month, sunrise is at 06:08 and sunset at 20:35 CEST.

How long on average sun shines in April in Winterthur?

In April, the average sunshine duration is 9h.

What is the UV index reading in April in Winterthur?

In April, the average daily maximum UV index in Winterthur, Switzerland, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Winterthur, Switzerland

Average temperature in April - Winterthur, Switzerland
  • Average high temperature in April: 15.8°C

The warmest month (with the highest average high temperature) is July (24.6°C).
The month with the lowest average high temperature is January (3.3°C).

  • Average low temperature in April: 3.3°C

The months with the highest average low temperature are July and August (12.1°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).

Average pressure in April
Winterthur, Switzerland

Average pressure in April - Winterthur, 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
Winterthur, Switzerland

Average wind speed in April - Winterthur, Switzerland
  • Average wind speed in April: 7.5km/h

The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

Average humidity in April
Winterthur, Switzerland

Average humidity in April - Winterthur, 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
Winterthur, Switzerland

Average rainfall in April - Winterthur, Switzerland
  • Average rainfall in April: 44mm

The wettest month (with the highest rainfall) is December (82mm).
The driest month (with the least rainfall) is September (29mm).

Average rainfall days in April
Winterthur, Switzerland

Average rainfall days in April - Winterthur, Switzerland
  • Average rainfall days in April: 13.6 days

The month with the highest number of rainy days is May (18.4 days).
The months with the least rainy days are September and November (9.9 days).

Average snowfall in April
Winterthur, Switzerland

Average snowfall in April - Winterthur, Switzerland
  • Average snowfall in April: 38mm

The month with the highest snowfall is January (182mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April
Winterthur, Switzerland

Average snowfall days in April - Winterthur, Switzerland
  • Average snowfall days in April: 1.3 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Winterthur, 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 months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in April
Winterthur, Switzerland

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

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is February (11.1 days).

Average UV index in April
Winterthur, Switzerland

Average UV index in April - Winterthur, Switzerland
  • Average UV index in April: 3

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in April
Winterthur, Switzerland

Average cloud cover in April - Winterthur, Switzerland
  • Average cloud cover in April: 40

The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in April
Winterthur, Switzerland

Average visibility in April - Winterthur, Switzerland
  • Average visibility in April: 8km

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

Winterthur, Switzerland

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