April weather forecastCastro, Switzerland
April
Weather in April
April is a cold spring month in Castro, Switzerland, with an average temperature varying between -4.7°C (23.5°F) and 2.7°C (36.9°F).Temperature
The shift into April is characterized by a subtle rise in the average high-temperature, transitioning from March's freezing cold -0.8°C (30.6°F) to an icy 2.7°C (36.9°F). Castro's nights in April cool down to an average low-temperature of -4.7°C (23.5°F).Humidity
In Castro, the average relative humidity in April is 93%.Rainfall
In April, the rain falls for 19.1 days. Throughout April, 116mm (4.57") of precipitation is accumulated. Throughout the year, in Castro, Switzerland, there are 200.1 rainfall days, and 1619mm (63.74") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Castro. In Castro, during April, snow falls for 11.8 days and regularly aggregates up to 377mm (14.84") of snow. Throughout the year, in Castro, there are 114.5 snowfall days, and 3819mm (150.35") of snow is accumulated.Daylight
The average length of the day in April in Castro is 13h and 35min.On the first day of the month, sunrise is at 07:02 and sunset at 19:53. On the last day of April, in Castro, sunrise is at 06:10 and sunset at 20:32 CEST.
Sunshine
The average sunshine in April in Castro is 5.2h.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, the average maximum UV index of 1 translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Castro, Switzerland
- Average high temperature in April: 2.7°C
The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (-3.9°C).
- Average low temperature in April: -4.7°C
The month with the highest average low temperature is July (6.3°C).
The coldest month (with the lowest average low temperature) is February (-12.7°C).
Average pressure in April
Castro, Switzerland
- Average pressure in April: 1015.3mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in April
Castro, Switzerland
- Average wind speed in April: 8.4km/h
The windiest month (with the highest average wind speed) is December (10km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in April
Castro, Switzerland
- Average humidity in April: 93%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is July (82%).
Average rainfall in April
Castro, Switzerland
- Average rainfall in April: 116mm
The wettest month (with the highest rainfall) is August (205mm).
The driest month (with the least rainfall) is February (71mm).
Average rainfall days in April
Castro, Switzerland
- Average rainfall days in April: 19.1 days
The month with the highest number of rainy days is July (27.2 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in April
Castro, Switzerland
- Average snowfall in April: 377mm
The month with the highest snowfall is December (734mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in April
Castro, Switzerland
- Average snowfall days in April: 11.8 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Castro, 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 42min).
- Average sunshine in April: 5h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in April
Castro, Switzerland
- Average sunshine days in April: 4.3 days
The month with the most sunshine days is October (12.1 days).
The month with the least sunshine days is July (2.3 days).
Average UV index in April
Castro, Switzerland
- Average UV index in April: 1
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).
Average cloud cover in April
Castro, Switzerland
- Average cloud cover in April: 68
The months with the most cloud cover are March and April (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 50).
Average visibility in April
Castro, Switzerland
- Average visibility in April: 5km
The months with the highest visibility are June and July (8km).
The months with the lowest visibility are January, February, March and April (5km).
