Climate and monthly weather forecastSiwianka, Poland
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Siwianka, Poland, with an average temperature fluctuating between -0.5°C (31.1°F) and -4°C (24.8°F). January is the coldest month, with an average high-temperature of -0.5°C (31.1°F) and an average low-temperature of -4°C (24.8°F). Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Siwianka, Poland, with an average temperature fluctuating between -2.7°C (27.1°F) and 1.4°C (34.5°F). Siwianka's weather in February, with an average high-temperature of a wintry 1.4°C (34.5°F), subtly shifts from January's -0.5°C (31.1°F). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Siwianka, Poland, with an average temperature ranging between max 7.1°C (44.8°F) and min 0.6°C (33.1°F). In Siwianka, the onset of March comes with an increased average high-temperature, moving from February's wintry 1.4°C (34.5°F) to a frosty 7.1°C (44.8°F). Weather in March »Weather in April
April in Siwianka, Poland, is a refreshing spring month, with an average temperature varying between 14.2°C (57.6°F) and 4.8°C (40.6°F). April brings a rise in Siwianka's average high-temperature, moving from a frosty 7.1°C (44.8°F) in March to a mild 14.2°C (57.6°F). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Siwianka, Poland, with an average temperature ranging between min 8.9°C (48°F) and max 19.1°C (66.4°F). May witnesses a subtle temperature ascent, adjusting from a mild 14.2°C (57.6°F) in April to a still refreshing 19.1°C (66.4°F). Weather in May »Weather in June
June, the first month of the summer in Siwianka, is a pleasant month, with temperature in the range of an average high of 22.9°C (73.2°F) and an average low of 12.8°C (55°F). Siwianka's transition into June sees a mild rise in the average high-temperature, edging from a comfortable 19.1°C (66.4°F) in May to an agreeable 22.9°C (73.2°F). Weather in June »Weather in July
July is a warm summer month in Siwianka, Poland, with an average temperature fluctuating between 24.6°C (76.3°F) and 14.7°C (58.5°F). July's onset brings an average high-temperature of a moderately hot 24.6°C (76.3°F), showing a minute difference from June's 22.9°C (73.2°F). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Siwianka, Poland, with an average temperature fluctuating between 14.8°C (58.6°F) and 24.9°C (76.8°F). August, noted for its average high-temperature of 24.9°C (76.8°F) and an average low-temperature of 14.8°C (58.6°F), is considered the warmest month. Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Siwianka, Poland, with an average temperature ranging between min 10.5°C (50.9°F) and max 18.9°C (66°F). A shift in the average high-temperature occurs in September, reducing from a warm 24.9°C (76.8°F) in August to an enjoyable 18.9°C (66°F). Weather in September »Weather in October
October, like September, in Siwianka, Poland, is a cool autumn month, with temperature in the range of an average low of 6.1°C (43°F) and an average high of 12.4°C (54.3°F). Arrival of October comes with a reduction in the average high-temperature, falling from a comfortable 18.9°C (66°F) in September to a cool 12.4°C (54.3°F). Weather in October »Weather in November
November, the last month of the autumn in Siwianka, is another chilly month, with an average temperature varying between 7°C (44.6°F) and 2.9°C (37.2°F). November brings a decrease in the average high-temperature, falling from October's cool 12.4°C (54.3°F) to a frosty 7°C (44.6°F). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Siwianka, Poland, with an average temperature ranging between max 2°C (35.6°F) and min -1.4°C (29.5°F). The start of December signals a decrease in the average high-temperature, transitioning from a chilly 7°C (44.6°F) in November to a cold 2°C (35.6°F). Weather in December »Updated: Aug 20, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Siwianka's coldest month, January, generally records average temperatures ranging from a high of -0.5°C (31.1°F) to a low of -4°C (24.8°F).
With an average relative humidity of 89%, January is the most humid month.
Throughout the year, there are 109.2 rainfall days, and 279mm (10.98") of precipitation is accumulated.
Months with snowfall are January through April, October through December.
The month with the most snowfall is January, when snow falls for 10.2 days and typically aggregates up to 80mm (3.15") of snow.
In Siwianka, Poland, during the entire year, snow falls for 30.9 days and aggregates up to 231mm (9.09") of snow.
January has the least sunshine of the year, with an average of 2.8h of sunshine.
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1.
April and November are months with the least rain when the rain falls for 7.9 days and typically aggregates up to 14mm (0.55") of rain.
The month with the most rainfall is May, when the rain falls for 12.8 days and typically aggregates up to 41mm (1.61") of precipitation.
May through September are months without snowfall.
With an average of 16h and 42min of daylight, June has the longest days of the year.
With an average maximum UV index of 6, July is the month with the highest UV index.
August, with its high-temperature average of 24.9°C (76.8°F) and a low-temperature average of 14.8°C (58.6°F), is the warmest month.
The least humid month is August, with an average relative humidity of 67%.
The month with the most sunshine is August, with an average of 10.7h of sunshine.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
December has the shortest days of the year, with an average of 7h and 48min of daylight.
Average temperature
Siwianka, Poland
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (-0.5°C).
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure
Siwianka, Poland
- Average pressure in January:
1016.7mbar - Average pressure in February:
1016.3mbar - Average pressure in March:
1015.6mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1015.1mbar - Average pressure in June:
1014.3mbar
- Average pressure in July:
1013.5mbar - Average pressure in August:
1016.2mbar - Average pressure in September:
1017.2mbar - Average pressure in October:
1018.2mbar - Average pressure in November:
1016.1mbar - Average pressure in December:
1016.3mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed
Siwianka, Poland
- Average wind speed in January:
13.8km/h - Average wind speed in February:
13.1km/h - Average wind speed in March:
13.3km/h - Average wind speed in April:
12.3km/h - Average wind speed in May:
11.5km/h - Average wind speed in June:
11.2km/h
- Average wind speed in July:
10.7km/h - Average wind speed in August:
10.3km/h - Average wind speed in September:
11.5km/h - Average wind speed in October:
12.6km/h - Average wind speed in November:
12.8km/h - Average wind speed in December:
14km/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 (10.3km/h).
Average humidity
Siwianka, Poland
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall
Siwianka, Poland
The wettest month (with the highest rainfall) is May (41mm).
The driest months (with the least rainfall) are April and November (14mm).
Average rainfall days
Siwianka, Poland
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
6.4 days - Average rainfall days in March:
10.2 days - Average rainfall days in April:
7.9 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
9 days - Average rainfall days in September:
8.2 days - Average rainfall days in October:
8.1 days - Average rainfall days in November:
6.8 days - Average rainfall days in December:
7.9 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall
Siwianka, Poland
The month with the highest snowfall is January (80mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Siwianka, Poland
- Average snowfall days in January:
10.2 days - Average snowfall days in February:
8 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
6.6 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Siwianka, Poland
- Average daylight in January:
8h and 24min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 54min - Average daylight in May:
15h and 42min - Average daylight in June:
16h and 42min
- Average daylight in July:
16h and 12min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 48min - Average daylight in December:
7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
2h and 54min - Average sunshine in March:
5h and 6min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 42min - Average sunshine in September:
8h and 0min - Average sunshine in October:
5h and 48min - Average sunshine in November:
4h and 18min - Average sunshine in December:
3h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days
Siwianka, Poland
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
20.6 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
17.7 days
- Average sunshine days in July:
15 days - Average sunshine days in August:
20.8 days - Average sunshine days in September:
20.7 days - Average sunshine days in October:
21.7 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is February (14.6 days).
Average UV index
Siwianka, Poland
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Siwianka, Poland
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Siwianka, Poland
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January and February (7km).
