April weather forecast
Sien, Germany

April

Weather in April

April is a refreshing spring month in Sien, Germany, with an average temperature varying between 4.5°C (40.1°F) and 14.6°C (58.3°F).

Temperature

An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a chilly 9.1°C (48.4°F) to a mild 14.6°C (58.3°F). Sien's nights in April cool down to an average low-temperature of 4.5°C (40.1°F).

Humidity

The months with the lowest humidity in Sien are April, July and August, with an average relative humidity of 74%.

Rainfall

In April, in Sien, Germany, the rain falls for 11 days. Throughout April, 23mm (0.91") of precipitation is accumulated. Throughout the year, there are 153.9 rainfall days, and 437mm (17.2") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Sien, during April, snow falls for 0.5 days and regularly aggregates up to 3mm (0.12") of snow. Throughout the year, in Sien, there are 26.8 snowfall days, and 196mm (7.72") of snow is accumulated.

Daylight

In Sien, the average length of the day in April is 13h and 47min.
On the first day of the month, sunrise is at 07:05 and sunset at 20:01. On the last day of April, in Sien, Germany, sunrise is at 06:07 and sunset at 20:46 CEST.

Sunshine

The average sunshine in April in Sien is 8.6h.

UV index

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In April, a daily UV index of 3 turns into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.

Frequently asked questions

What is the temperature in April in Sien?
Sien in April has an average high-temperature of 14.6°C (58.3°F) and an average low-temperature of 4.5°C (40.1°F).
What is the least humid month in Sien?
April, July and August, with an average relative humidity of 74%, are the least humid months in Sien, Germany.
What is the average humidity in April in Sien?
In April, the average relative humidity is 74%.
How much does it rain in Sien in April?
In April, in Sien, Germany, the rain falls for 11 days. Throughout April, 23mm (0.91") of precipitation is accumulated.
How many days does it snow in April in Sien?
In Sien, in April, during 0.5 snowfall days, 3mm (0.12") of snow is typically accumulated.
How many hours of daylight does Sien have in April?
In April, the average day length in Sien is 13h and 47min.
When are sunrise and sunset in April in Sien?
In April, on the first day of the month, sunrise is at 07:05 and sunset at 20:01. On the last day of the month, in Sien, sunrise is at 06:07 and sunset at 20:46 CEST.
How many hours of sunshine does Sien have in April?
The average sunshine duration in April is 8.6h.
How high is the UV index in April in Sien?
In April, the average daily maximum UV index in Sien, Germany, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in April
Sien, Germany
  • Average high temperature in April: 14.6°C

The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in April: 4.5°C

The month with the highest average low temperature is August (12.7°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).

Average pressure in April
Sien, Germany
  • Average pressure in April: 1015.7mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).

Average wind speed in April
Sien, Germany
  • Average wind speed in April: 9.9km/h

The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).

Average humidity in April
Sien, Germany
  • Average humidity in April: 74%

The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April, July and August (74%).

Average rainfall in April
Sien, Germany
  • Average rainfall in April: 23mm

The wettest month (with the highest rainfall) is July (58mm).
The driest month (with the least rainfall) is January (20mm).

Average rainfall days in April
Sien, Germany
  • Average rainfall days in April: 11 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in April
Sien, Germany
  • Average snowfall in April: 3mm

The month with the highest snowfall is February (53mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April
Sien, Germany
  • Average snowfall days in April: 0.5 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Sien, Germany
  • Average daylight in April: 13h and 5min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in April: 8h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).

Average sunshine days in April
Sien, Germany
  • Average sunshine days in April: 17.2 days

The month with the most sunshine days is March (18.1 days).
The month with the least sunshine days is July (8.4 days).

Average UV index in April
Sien, 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, March, October, November and December (UV index 2).

Average cloud cover in April
Sien, Germany
  • Average cloud cover in April: 42

The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in April
Sien, Germany
  • Average visibility in April: 9km

The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, October, November and December (7km).

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