April weather forecastBaltrum, Germany
April
Weather in April
April is a fresh spring month in Baltrum, Germany, with an average temperature ranging between max 12.7°C (54.9°F) and min 5.3°C (41.5°F).Temperature
April signals a minor shift in the average high-temperature, moving from March's chilly 8.2°C (46.8°F) to a cool 12.7°C (54.9°F). The nighttime temperature in Baltrum, Germany, dips to a wintry 5.3°C (41.5°F) on average during April.Humidity
April and August, with an average relative humidity of 79%, are the least humid months.Rainfall
The month with the least rainfall in Baltrum is April, when the rain falls for 13.8 days and typically collects 26mm (1.02") of precipitation.Snowfall
Months with snowfall in Baltrum are January through April, November and December. April is the last month it regularly snows. During 0.5 snowfall days, in April, Baltrum aggregates 2mm (0.08") of snow. Throughout the year, there are 18.7 snowfall days, and 110mm (4.33") of snow is accumulated.Sea temperature
In Baltrum, the average seawater temperature in April is 7.9°C (46.2°F).Note: In 7.9°C (46.2°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).
Daylight
The average length of the day in April is 14h and 3min.On the first day of the month, sunrise is at 07:01 and sunset at 20:06. On the last day of April, sunrise is at 05:55 and sunset at 20:59 CEST.
Sunshine
The average sunshine in April in Baltrum is 8.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 3 in April transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. It's recommended to limit sun exposure when its radiation is at its peak during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Baltrum, Germany
- Average high temperature in April: 12.7°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in April: 5.3°C
The month with the highest average low temperature is August (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).
Average pressure in April
Baltrum, Germany
- Average pressure in April: 1015.9mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in April
Baltrum, Germany
- Average wind speed in April: 16.6km/h
The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is August (14.7km/h).
Average humidity in April
Baltrum, Germany
- Average humidity in April: 79%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in April
Baltrum, Germany
- Average rainfall in April: 26mm
The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in April
Baltrum, Germany
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is August (21.2 days).
The month with the least rainy days is February (13.3 days).
Average snowfall in April
Baltrum, Germany
- Average snowfall in April: 2mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Baltrum, Germany
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Baltrum, Germany
- Average sea temperature in April: 7.9°C
The best month for swimming (with the highest average sea temperature) is August (18.1°C).
The coldest months (with the lowest average sea temperature) are January, February and March (5.1°C).
Average daylight in April /
Average sunshine in April
Baltrum, Germany
- Average daylight in April: 14h and 6min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in April: 8h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in April
Baltrum, Germany
- Average sunshine days in April: 14.2 days
The month with the most sunshine days is April (14.2 days).
The month with the least sunshine days is December (6.7 days).
Average UV index in April
Baltrum, Germany
- Average UV index in April: 3
The month with the highest UV index is 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
Baltrum, Germany
- Average cloud cover in April: 41
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 41).
Average visibility in April
Baltrum, Germany
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





