April weather forecast
Slupsk, Poland

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Weather in April

The keynote of April's weather in Slupsk is the reassuring shift towards spring. The extensive snowfall seen in the winter months decreases to just 6mm (0.24") in April. The city experiences a noticeable increase in temperatures, providing a more comfortable environment for the inhabitants. The month accentuates the supremacy of spring over winter, making the weather pleasant and enjoyable compared to March's.

Temperature

The shift from March to April sees an increase in the average high-temperature, transitioning from a chilly 6.3°C (43.3°F) to a fresh 12.3°C (54.1°F). Slupsk experiences an average temperature drop to a cold 4.5°C (40.1°F) during April nights.

Humidity

With an average relative humidity of 70%, April is the least humid month in Slupsk.

Rainfall

The month with the least rainfall is April, when the rain falls for 8 days and typically collects 12mm (0.47") of precipitation.

Snowfall

Months with snowfall in Slupsk are January through May, November and December. In April, in Slupsk, Poland, it is snowing for 1.5 days. Throughout April, 6mm (0.24") of snow is accumulated. In Slupsk, during the entire year, snow falls for 33.3 days and aggregates up to 196mm (7.72") of snow.

Daylight

In April, the average length of the day in Slupsk is 14h and 7min.
On the first day of April in Slupsk, sunrise is at 06:22 and sunset at 19:28. On the last day of the month, sunrise is at 05:14 and sunset at 20:23 CEST.

Sunshine

In April, the average sunshine in Slupsk is 9h.

UV index

In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 4 during April, leads to the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What is the temperature in April in Slupsk?

The average high-temperature, in April, in Slupsk, is 12.3°C (54.1°F), while the average low-temperature is 4.5°C (40.1°F).

What is the least humid month in Slupsk?

With an average relative humidity of 70%, April is the least humid month.

What is the average humidity in April in Slupsk?

In April, the average relative humidity is 70%.

What is the driest month in Slupsk?

The month with the least rainfall is April, when the rain falls for 8 days and typically collects 12mm (0.47") of precipitation.

How many days does it rain in April in Slupsk?

In Slupsk, Poland, in April, during 8 rainfall days, 12mm (0.47") of precipitation is typically accumulated.

How many days does it snow in April in Slupsk?

In Slupsk, Poland, during April, snow falls for 1.5 days and regularly aggregates up to 6mm (0.24") of snow.

What is the average length of the day in April in Slupsk?

The average day length in April in Slupsk, Poland, is 14h and 7min.

What time are sunrise and sunset in April in Slupsk?

On the first day of April in Slupsk, sunrise is at 06:22 and sunset at 19:28. On the last day of the month, sunrise is at 05:14 and sunset at 20:23 CEST.

How long on average sun shines in April in Slupsk?

In April, the average sunshine duration in Slupsk, Poland, is 9h.

What is the UV index reading in April in Slupsk?

In Slupsk, Poland, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in April
Slupsk, Poland

Average temperature in April - Slupsk, Poland
  • Average high temperature in April: 12.3°C

The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (1.2°C).

  • Average low temperature in April: 4.5°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-1.7°C).

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Average pressure in April
Slupsk, Poland

Average pressure in April - Slupsk, Poland
  • Average pressure in April: 1015.8mbar

The month with the highest atmospheric pressure is October (1016.3mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).

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Average wind speed in April
Slupsk, Poland

Average wind speed in April - Slupsk, Poland
  • Average wind speed in April: 15.9km/h

The windiest month (with the highest average wind speed) is December (19.4km/h).
The calmest month (with the lowest average wind speed) is August (13.9km/h).

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Average humidity in April
Slupsk, Poland

Average humidity in April - Slupsk, Poland
  • Average humidity in April: 70%

The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in April
Slupsk, Poland

Average rainfall in April - Slupsk, Poland
  • Average rainfall in April: 12mm

The wettest month (with the highest rainfall) is July (38mm).
The driest month (with the least rainfall) is April (12mm).

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Average rainfall days in April
Slupsk, Poland

Average rainfall days in April - Slupsk, Poland
  • Average rainfall days in April: 8 days

The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is April (8 days).

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Average snowfall in April
Slupsk, Poland

Average snowfall in April - Slupsk, Poland
  • Average snowfall in April: 6mm

The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August, September and October (0mm).

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Average snowfall days in April
Slupsk, Poland

Average snowfall days in April - Slupsk, Poland
  • Average snowfall days in April: 1.5 days

The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
Slupsk, Poland

Average daylight in April / Average sunshine in April - Slupsk, Poland
  • Average daylight in April: 14h and 1min

The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).

  • Average sunshine in April: 9h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 2h and 48min).

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Average sunshine days in April
Slupsk, Poland

Average sunshine days in April - Slupsk, Poland
  • Average sunshine days in April: 19.8 days

The months with the most sunshine days are April and May (19.8 days).
The month with the least sunshine days is December (12 days).

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Average UV index in April
Slupsk, Poland

Average UV index in April - Slupsk, Poland
  • 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 November and December (UV index 1).

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Average cloud cover in April
Slupsk, Poland

Average cloud cover in April - Slupsk, Poland
  • Average cloud cover in April: 39

The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in April
Slupsk, Poland

Average visibility in April - Slupsk, Poland
  • Average visibility in April: 10km

The months with the highest visibility are April, June, August, September and October (10km).
The months with the lowest visibility are January, February, March, May, July, November and December (9km).

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Slupsk, Poland

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