April weather forecastHamm, Germany
April
Weather in April
April in Hamm, Germany, is a moderate spring month, with an average temperature fluctuating between 14.6°C (58.3°F) and 5.1°C (41.2°F).Temperature
April witnesses an increase in the average high-temperature, moving from a chilly 9.4°C (48.9°F) in March to a mild 14.6°C (58.3°F). April brings with it a nighttime average temperature of 5.1°C (41.2°F).Humidity
In Hamm, the average relative humidity in April is 75%.Rainfall
In Hamm, during April, the rain falls for 10.3 days and regularly aggregates up to 11mm (0.43") of precipitation. Throughout the year, in Hamm, there are 126.4 rainfall days, and 168mm (6.61") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Hamm. April is the last month it regularly snows in Hamm. During 0.4 snowfall days, in April, Hamm aggregates 1mm (0.04") of snow. In Hamm, during the entire year, snow falls for 17.5 days and aggregates up to 51mm (2.01") of snow.Daylight
In April, the average length of the day is 13h and 55min.On the first day of April in Hamm, sunrise is at 07:02 and sunset at 20:02. On the last day of the month, sunrise is at 06:00 and sunset at 20:51 CEST.
Sunshine
In Hamm, the average sunshine in April is 8.7h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 during April translates into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hamm, Germany
- Average high temperature in April: 14.6°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in April: 5.1°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in April
Hamm, Germany
- Average pressure in April: 1016mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in April
Hamm, Germany
- Average wind speed in April: 11.3km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.3km/h).
Average humidity in April
Hamm, Germany
- Average humidity in April: 75%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in April
Hamm, Germany
- Average rainfall in April: 11mm
The wettest month (with the highest rainfall) is December (17mm).
The driest month (with the least rainfall) is September (9mm).
Average rainfall days in April
Hamm, Germany
- Average rainfall days in April: 10.3 days
The months with the highest number of rainy days are May and July (13.3 days).
The month with the least rainy days is September (8.3 days).
Average snowfall in April
Hamm, Germany
- Average snowfall in April: 1mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Hamm, Germany
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is January (5.5 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
Hamm, Germany
- Average daylight in April: 13h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in April: 8h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in April
Hamm, Germany
- Average sunshine days in April: 16.5 days
The month with the most sunshine days is October (18.7 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in April
Hamm, Germany
- Average UV index in April: 4
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
Hamm, Germany
- Average cloud cover in April: 41
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in April
Hamm, Germany
- Average visibility in April: 9km
The months with the highest visibility are February, March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, October, November and December (8km).








