Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
Aarau's weather in April presents a rise in the average high-temperature, moving from a chilly 9°C (48.2°F) in March to a moderate 14.3°C (57.7°F). Throughout the nights in April, Aarau experiences an average low-temperature of 3.1°C (37.6°F).Humidity
April and July, with an average relative humidity of 78%, are the least humid months.Rainfall
In April, the rain falls for 16.3 days. Throughout April, 56mm (2.2") of precipitation is accumulated. Throughout the year, there are 190.8 rainfall days, and 880mm (34.65") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Aarau, during April, snow falls for 1.3 days and regularly aggregates up to 46mm (1.81") of snow. Throughout the year, there are 39.9 snowfall days, and 652mm (25.67") of snow is accumulated.Daylight
In April, the average length of the day is 13h and 38min.On the first day of April, sunrise is at 07:05 and sunset at 19:57. On the last day of the month, sunrise is at 06:11 and sunset at 20:38 CEST.
Sunshine
In Aarau, the average sunshine in April is 9.1h.UV index
In Aarau, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
How many hours of daylight does Aarau have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April in Aarau?
How high is the UV index in April?
Average temperature in April
Aarau, Switzerland
- Average high temperature in April: 14.3°C
The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in April: 3.1°C
The months with the highest average low temperature are July and August (11.8°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in April
Aarau, 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
Aarau, 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 (5.9km/h).
Average humidity in April
Aarau, Switzerland
- Average humidity in April: 78%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in April
Aarau, Switzerland
- Average rainfall in April: 56mm
The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is September (45mm).
Average rainfall days in April
Aarau, Switzerland
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is May (22.4 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in April
Aarau, Switzerland
- Average snowfall in April: 46mm
The month with the highest snowfall is February (153mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Aarau, Switzerland
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Aarau, 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 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in April
Aarau, Switzerland
- Average sunshine days in April: 12.2 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (6.6 days).
Average UV index in April
Aarau, 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, October, November and December (UV index 2).
Average cloud cover in April
Aarau, Switzerland
- Average cloud cover in April: 39
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Aarau, Switzerland
- Average visibility in April: 9km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
