April weather forecastKalna, Poland

April

Weather in April

April in Kalna, Poland, is a refreshing spring month, with an average temperature ranging between min 4.3°C (39.7°F) and max 13.7°C (56.7°F).

Temperature

April witnesses an increase in the average high-temperature, moving from a frosty 7°C (44.6°F) in March to a moderate 13.7°C (56.7°F). Throughout April, Kalna registers a consistent average low-temperature of 4.3°C (39.7°F).

Humidity

In Kalna, the average relative humidity in April is 72%.

Rainfall

In Kalna, in April, during 13.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Kalna, during the entire year, the rain falls for 172.8 days and collects up to 645mm (25.39") of precipitation.

Snowfall

Months with snowfall in Kalna are January through May, October through December. In April, it is snowing for 2.5 days. Throughout April, 21mm (0.83") of snow is accumulated. In Kalna, during the entire year, snow falls for 58 days and aggregates up to 840mm (33.07") of snow.

Daylight

The average length of the day in April in Kalna is 13h and 47min.
On the first day of the month, sunrise is at 06:19 and sunset at 19:15. On the last day of April, sunrise is at 05:21 and sunset at 20:00 CEST.

Sunshine

In Kalna, the average sunshine in April is 8.7h.

UV index

In Kalna, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In April, a regular UV index of 4 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

The high-temperature, in April, in Kalna, is 13.7°C (56.7°F), while the low-temperature averages to 4.3°C (39.7°F).

The average relative humidity in April is 72%.

In Kalna, Poland, in April, during 13.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

In April, in Kalna, Poland, it is snowing for 2.5 days. Throughout April, 21mm (0.83") of snow is accumulated.

The average day length in April is 13h and 47min.

In April, on the first day of the month, sunrise is at 06:19 and sunset at 19:15. On the last day of the month, in Kalna, Poland, sunrise is at 05:21 and sunset at 20:00 CEST.

In Kalna, Poland, the average sunshine duration in April is 8.7h.

The average daily maximum UV index in April in Kalna is 4. A UV Index of 3 to 5 symbolizes 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Kalna, Poland

  • Average high temperature in April: 13.7°C

The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (0°C).

  • Average low temperature in April: 4.3°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).

Average pressure in April
Kalna, Poland

  • Average pressure in April: 1015.7mbar

The months with the highest atmospheric pressure are October and December (1018.8mbar).
The months with the lowest atmospheric pressure are June and July (1014.6mbar).

Average wind speed in April
Kalna, Poland

  • Average wind speed in April: 10.4km/h

The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).

Average humidity in April
Kalna, Poland

  • Average humidity in April: 72%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (70%).

Average rainfall in April
Kalna, Poland

  • Average rainfall in April: 36mm

The wettest month (with the highest rainfall) is May (89mm).
The driest month (with the least rainfall) is November (30mm).

Average rainfall days in April
Kalna, Poland

  • Average rainfall days in April: 13.9 days

The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in April
Kalna, Poland

  • Average snowfall in April: 21mm

The month with the highest snowfall is January (262mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April
Kalna, Poland

  • Average snowfall days in April: 2.5 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in April: 13h and 48min

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 42min

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 30min).

Average sunshine days in April
Kalna, Poland

  • Average sunshine days in April: 12.6 days

The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (5.8 days).

Average UV index in April
Kalna, 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).

Average cloud cover in April
Kalna, Poland

  • Average cloud cover in April: 42

The months with the most cloud cover are January and February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in April
Kalna, Poland

  • Average visibility in April: 9km

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