Weather and climate in Bielsko Biala (Poland)

The climate of Bielsko-Biala is moderately continental, characterized by cold winters, with temperatures often below freezing (0 °C or 32 °F), and pleasantly warm summers.
The city is located in southern Poland, in the Silesian Voivodeship, near the border with the Czech Republic and Slovakia, at an altitude of 350 meters (1,150 feet), at the foot of the Beskid mountains (which are part of the Carpathians). Because of the proximity of the mountains, precipitation is more abundant than in most of Poland, and thunderstorms are quite common in summer.
In addition, mild, föhn-like winds can sometimes blow from the mountains, especially in autumn.
Winter is cold and gray. Snowfalls are frequent, and are more abundant than in the lowland areas of Poland.
Sometimes there can be cold spells from Siberia, during which the temperatures can drop as low as -20 °C (-4 °F) or even below. The coldest record is -27.4 °C (-17.3 °F) and was set in January 1985.
In summer, the temperatures are pleasant and suitable for outdoor activities, although sometimes there can be rains and thunderstorms.
Every now and then (and more often in recent years due to global warming), there may be brief hot periods, with highs that can reach or exceed 30 °C (86 °F). The highest record is 36.4 °C (97.5 °F) and was set in August 2013.

Best Time

The best time to visit Bielsko-Biala runs from mid-May to mid-September, since it is the warmest and sunniest period of the year. Sometimes, it can be hot in July and August, while in other circumstances, nights can be cool or even a little cold even in these months, so it can be useful to bring a sweatshirt or sweater and a light jacket for the evening.

Bielsko Biala - Climate data

The average temperature of the coldest month (January) is of -0.9 °C (30.4 °F), that of the warmest month (July) is of 18.8 °C (65.9 °F). Here are the average temperatures.
Precipitation amounts to 990 millimeters (39 inches) per year: so, it is at an intermediate level. It ranges from 45 mm (1.8 in) in the driest months (January, February, December) to 145 mm (5.7 in) in the wettest one (July). Here is the average precipitation.
There are on average around 1675 sunshine hours per year. Here are the average hours of sunshine per day.

Bielsko Biala - Weather by month

Based on the period 1991-2020

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January, the coldest month of the year, is generally a very cold month. The average temperature is of -0.9 °C (30 °F), with a minimum of -3.9 °C (25 °F) and a maximum of 2.1 °C (35.8 °F).
On the coldest nights of the month, the temperature usually drops to around -15.5 °C (3.5 °F). However, it dropped to -25 °C (-13 °F) in January 2006.
On the warmest days of the month, the temperature usually reaches around 11 °C (52 °F). However, it reached 15 °C (59 °F) in January 1994.
Precipitation amounts to 45 mm (1.8 in), distributed over 10 days.
The day lasts on average 8 hours and 40 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 23% of the time.
The average humidity is 81%. Hence, the air is normally humid.

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February is generally a cold month. The average temperature is of 0.3 °C (33 °F), with a minimum of -2.9 °C (26.8 °F) and a maximum of 3.5 °C (38.3 °F).
On the coldest nights of the month, the temperature usually drops to around -12.5 °C (9.5 °F). However, it dropped to -23.2 °C (-9.8 °F) in February 2012.
On the warmest days of the month, the temperature usually reaches around 12.5 °C (54 °F). However, it reached 17.1 °C (62.8 °F) in February 1994.
Precipitation amounts to 45 mm (1.8 in), distributed over 10 days.
The day lasts on average 10 hours and 5 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 28% of the time.
The average humidity is 78%. Hence, the air is normally humid.

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March is generally a cold month. The average temperature is of 3.7 °C (39 °F), with a minimum of -0.2 °C (31.6 °F) and a maximum of 7.6 °C (45.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -7.5 °C (18 °F). However, it dropped to -17.2 °C (1 °F) in March 2018.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 17 °C (62.5 °F). However, it reached 21 °C (69.8 °F) in March 2004.
Precipitation amounts to 60 mm (2.4 in), distributed over 11 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 74%. Hence, the air is normally humid.

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April is generally a mild month. The average temperature is of 9.0 °C (48 °F), with a minimum of 4.1 °C (39.4 °F) and a maximum of 14 °C (57.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -3.5 °C (25.5 °F). However, it dropped to -8.5 °C (16.7 °F) in April 1996.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 23 °C (73.5 °F). However, it reached 29 °C (84.2 °F) in April 2012.
Precipitation amounts to 70 mm (2.8 in), distributed over 9 days.
The day lasts on average 13 hours and 50 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 38% of the time.
The average humidity is 67%.

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May is generally a mild month. The average temperature is of 13.4 °C (56 °F), with a minimum of 8.4 °C (47.1 °F) and a maximum of 18.5 °C (65.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 2 °C (35.5 °F). However, it dropped to -1.8 °C (28.8 °F) in May 2007.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 26.5 °C (79.5 °F). However, it reached 30.7 °C (87.3 °F) in May 2005.
Precipitation amounts to 120 mm (4.7 in), distributed over 12 days.
The day lasts on average 15 hours and 30 minutes. So the days are long.
There are on average 6.5 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 71%. Hence, the air is normally humid.

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June is generally a very mild month. The average temperature is of 17.0 °C (63 °F), with a minimum of 12 °C (53.6 °F) and a maximum of 21.9 °C (71.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 6.5 °C (44 °F). However, it dropped to 3.5 °C (38.3 °F) in June 1994.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 30 °C (86 °F). However, it reached 33.9 °C (93 °F) in June 2016.
Precipitation amounts to 130 mm (5.1 in), distributed over 12 days.
The day lasts on average 16 hours and 20 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 7 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 73%. Hence, the air is normally humid.

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July, the warmest month of the year, is generally a warm month. The average temperature is of 18.8 °C (66 °F), with a minimum of 13.7 °C (56.7 °F) and a maximum of 24 °C (75.2 °F).
On the coldest nights of the month, the temperature usually drops to around 8 °C (46 °F). However, it dropped to 4.3 °C (39.7 °F) in July 1993.
On the warmest days of the month, the temperature usually reaches around 31.5 °C (88.5 °F). However, it reached 35.4 °C (95.7 °F) in July 2013.
Precipitation amounts to 145 mm (5.7 in), distributed over 12 days.
The day lasts on average 15 hours and 50 minutes. So the days are long.
There are on average 7 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 72%. Hence, the air is normally humid.

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August is generally a warm month. The average temperature is of 18.7 °C (66 °F), with a minimum of 13.5 °C (56.3 °F) and a maximum of 23.9 °C (75 °F).
On the coldest nights of the month, the temperature usually drops to around 7.5 °C (45.5 °F). However, it dropped to 3.7 °C (38.7 °F) in August 1993.
On the warmest days of the month, the temperature usually reaches around 31 °C (87.5 °F). However, it reached 36.4 °C (97.5 °F) in August 2013.
Precipitation amounts to 90 mm (3.5 in), distributed over 9 days.
The day lasts on average 14 hours and 20 minutes. So the days are long.
There are on average 7 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 72%. Hence, the air is normally humid.

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September is generally a mild month. The average temperature is of 14.0 °C (57 °F), with a minimum of 9.6 °C (49.3 °F) and a maximum of 18.5 °C (65.3 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 3 °C (37.5 °F). However, it dropped to 0 °C (32 °F) in September 1997.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 26.5 °C (79.5 °F). However, it reached 34.1 °C (93.4 °F) in September 2015.
Precipitation amounts to 110 mm (4.3 in), distributed over 10 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 78%. Hence, the air is normally humid.

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October is generally a mild month. The average temperature is of 9.6 °C (49 °F), with a minimum of 5.7 °C (42.3 °F) and a maximum of 13.5 °C (56.3 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -2 °C (28.5 °F). However, it dropped to -7.8 °C (18 °F) in October 2003.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 22.5 °C (72.5 °F). However, it reached 26.4 °C (79.5 °F) in October 2000.
Precipitation amounts to 70 mm (2.8 in), distributed over 10 days.
The day lasts on average 10 hours and 40 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 79%. Hence, the air is normally humid.

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November is generally a quite cold month. The average temperature is of 4.9 °C (41 °F), with a minimum of 1.6 °C (34.9 °F) and a maximum of 8.2 °C (46.8 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -6.5 °C (20.5 °F). However, it dropped to -13.9 °C (7 °F) in November 1993.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 17 °C (63 °F). However, it reached 23.1 °C (73.6 °F) in November 2008.
Precipitation amounts to 60 mm (2.4 in), distributed over 10 days.
The day lasts on average 9 hours and 0 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 24% of the time.
The average humidity is 81%. Hence, the air is normally humid.

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December is generally a cold month. The average temperature is of 0.4 °C (33 °F), with a minimum of -2.6 °C (27.3 °F) and a maximum of 3.3 °C (37.9 °F).
On the coldest nights of the month, the temperature usually drops to around -13 °C (9 °F). However, it dropped to -26 °C (-14.8 °F) in December 1996.
On the warmest days of the month, the temperature usually reaches around 12 °C (53 °F). However, it reached 17.4 °C (63.3 °F) in December 2019.
Precipitation amounts to 45 mm (1.8 in), distributed over 9 days.
The day lasts on average 8 hours and 10 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 1.5 hours of sunshine per day. So, the sun shines 21% of the time.
The average humidity is 82%. Hence, the air is normally humid.