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
A shift in the average high-temperature is noticeable in April, changing from a frosty 9°C (48.2°F) in March to a mild 14.3°C (57.7°F). The average low-temperature in Iserlohn during April nights is an icy 5°C (41°F).Humidity
In Iserlohn, the average relative humidity in April is 75%.Rainfall
April and September are months with the least rain in Iserlohn when the rain falls for 14.8 days and typically aggregates up to 32mm (1.26") of rain.Snowfall
Months with snowfall in Iserlohn, Germany, are January through May, October through December. In Iserlohn, Germany, during April, snow falls for 1.3 days and regularly aggregates up to 5mm (0.2") of snow. Throughout the year, there are 37.4 snowfall days, and 381mm (15") of snow is accumulated.Daylight
In Iserlohn, the average length of the day in April is 13h and 53min.On the first day of April, sunrise is at 07:03 and sunset at 20:02. On the last day of the month, sunrise is at 06:01 and sunset at 20:50 CEST.
Sunshine
In Iserlohn, the average sunshine in April is 8.7h.UV index
In April, the average daily maximum UV index in Iserlohn is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Iserlohn?
What is the average humidity in April in Iserlohn?
What is the driest month in Iserlohn?
How many days does it rain in April in Iserlohn?
How many days does it snow in April in Iserlohn?
How many hours of daylight does Iserlohn have in April?
What time are sunrise and sunset in April in Iserlohn?
How many hours of sunshine does Iserlohn have in April?
How high is the UV index in April in Iserlohn?
Average temperature in April
Iserlohn, Germany
- Average high temperature in April: 14.3°C
The warmest months (with the highest average high temperature) are July and August (22.7°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in April: 5°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 (-0.5°C).
Average pressure in April
Iserlohn, Germany
- Average pressure in April: 1015.9mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in April
Iserlohn, Germany
- Average wind speed in April: 10.8km/h
The windiest month (with the highest average wind speed) is December (14.7km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in April
Iserlohn, Germany
- Average humidity in April: 75%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in April
Iserlohn, Germany
- Average rainfall in April: 32mm
The wettest month (with the highest rainfall) is December (76mm).
The driest months (with the least rainfall) are April and September (32mm).
Average rainfall days in April
Iserlohn, Germany
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is September (13.2 days).
Average snowfall in April
Iserlohn, Germany
- Average snowfall in April: 5mm
The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Iserlohn, Germany
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Iserlohn, Germany
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in April: 8h and 4min
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 30min).
Average sunshine days in April
Iserlohn, Germany
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is December (6.6 days).
Average UV index in April
Iserlohn, Germany
- 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, November and December (UV index 2).
Average cloud cover in April
Iserlohn, Germany
- Average cloud cover in April: 42
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in April
Iserlohn, Germany
- Average visibility in April: 9km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, March, September, October, November and December (8km).
