April weather forecastOllen, Germany
April
Weather in April
April is a moderate spring month in Ollen, Germany, with temperature in the range of an average low of 4.8°C (40.6°F) and an average high of 14.1°C (57.4°F).Temperature
Ollen's transition into April is marked by a rise in the average high-temperature, advancing from a frosty 8.8°C (47.8°F) in March to a mild 14.1°C (57.4°F). The average nighttime temperature lowers to a wintry 4.8°C (40.6°F) throughout April.Humidity
April and August, with an average relative humidity of 77%, are the least humid months.Rainfall
The month with the least rainfall is April, when the rain falls for 12.8 days and typically collects 22mm (0.87") of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.4 snowfall days, in April, Ollen aggregates 1mm (0.04") of snow. In Ollen, during the entire year, snow falls for 16.9 days and aggregates up to 94mm (3.7") of snow.Daylight
In April, the average length of the day is 14h and 1min.On the first day of April, sunrise is at 06:58 and sunset at 20:01. On the last day of the month, sunrise is at 05:52 and sunset at 20:53 CEST.
Sunshine
The average sunshine in April is 8.4h.UV index
In Ollen, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 3 in April leads to these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Ollen, Germany
- Average high temperature in April: 14.1°C
The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in April: 4.8°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in April
Ollen, Germany
- Average pressure in April: 1016mbar
The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in April
Ollen, Germany
- Average wind speed in April: 14km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in April
Ollen, Germany
- Average humidity in April: 77%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April and August (77%).
Average rainfall in April
Ollen, Germany
- Average rainfall in April: 22mm
The wettest month (with the highest rainfall) is June (50mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in April
Ollen, Germany
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in April
Ollen, Germany
- Average snowfall in April: 1mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Ollen, Germany
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Ollen, Germany
- Average daylight in April: 14h and 0min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in April
Ollen, Germany
- Average sunshine days in April: 14.5 days
The month with the most sunshine days is April (14.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in April
Ollen, Germany
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Ollen, Germany
- Average cloud cover in April: 43
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in April
Ollen, Germany
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).





