April weather forecastSłonne, Poland

April

Weather in April

April is a mild spring month in Słonne, Poland, with temperature in the range of an average low of 3.7°C (38.7°F) and an average high of 13.8°C (56.8°F).

Temperature

The onset of April brings a rise in the average high-temperature, elevating from a frosty 6.3°C (43.3°F) in March to a mild 13.8°C (56.8°F). Słonne's average low-temperature is measured at an icy 3.7°C (38.7°F) during April.

Humidity

In April, the average relative humidity in Słonne, Poland, is 74%.

Rainfall

In Słonne, in April, during 14.4 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 146.8 rainfall days, and 453mm (17.83") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Słonne. In Słonne, Poland, during April, snow falls for 1.8 days and regularly aggregates up to 13mm (0.51") of snow. Throughout the year, there are 58.2 snowfall days, and 527mm (20.75") of snow is accumulated.

Daylight

In Słonne, Poland, the average length of the day in April is 13h and 47min.
On the first day of the month, sunrise is at 06:06 and sunset at 19:02. On the last day of April, sunrise is at 05:08 and sunset at 19:47 CEST.

Sunshine

In Słonne, the average sunshine in April is 8.5h.

UV index

In April, the average daily maximum UV index in Słonne is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 4 in April, converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

An average high-temperature, in April, in Słonne, is 13.8°C (56.8°F) and the average low-temperature is 3.7°C (38.7°F).

In Słonne, Poland, the average relative humidity in April is 74%.

In Słonne, Poland, in April, during 14.4 rainfall days, 31mm (1.22") of precipitation is typically accumulated.

In Słonne, Poland, in April, during 1.8 snowfall days, 13mm (0.51") of snow is typically accumulated.

In Słonne, Poland, the average day length in April is 13h and 47min.

On the first day of April in Słonne, sunrise is at 06:06 and sunset at 19:02. On the last day of the month, sunrise is at 05:08 and sunset at 19:47 CEST.

In Słonne, the average sunshine duration in April is 8.5h.

The average daily maximum UV index in April in Słonne is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Słonne, Poland

  • Average high temperature in April: 13.8°C

The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (-1°C).

  • Average low temperature in April: 3.7°C

The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).

Average pressure in April
Słonne, Poland

  • Average pressure in April: 1015.6mbar

The month with the highest atmospheric pressure is October (1019.2mbar).
The months with the lowest atmospheric pressure are June and July (1014.3mbar).

Average wind speed in April
Słonne, Poland

  • Average wind speed in April: 10.9km/h

The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).

Average humidity in April
Słonne, Poland

  • Average humidity in April: 74%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (73%).

Average rainfall in April
Słonne, Poland

  • Average rainfall in April: 31mm

The wettest month (with the highest rainfall) is May (65mm).
The driest month (with the least rainfall) is September (24mm).

Average rainfall days in April
Słonne, Poland

  • Average rainfall days in April: 14.4 days

The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is January (7 days).

Average snowfall in April
Słonne, Poland

  • Average snowfall in April: 13mm

The month with the highest snowfall is December (142mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April
Słonne, Poland

  • Average snowfall days in April: 1.8 days

The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in April: 13h and 48min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in April: 8h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).

Average sunshine days in April
Słonne, Poland

  • Average sunshine days in April: 13.1 days

The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in April
Słonne, 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 January, November and December (UV index 1).

Average cloud cover in April
Słonne, Poland

  • Average cloud cover in April: 45

The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in April
Słonne, Poland

  • Average visibility in April: 9km

The months with the highest visibility are April, August and September (9km).
The months with the lowest visibility are January and February (7km).