Climate - Wroclaw (Poland)

The climate of Wroclaw is moderately continental, characterized by cold winters, with temperatures around freezing (0 °C or 32 °F), and quite warm summers.
Wroclaw (or Vratislavia) is located in southwestern Poland, in Lower Silesia.
Winter is cold and gray. Snowfalls are frequent, but generally not abundant.
Sometimes, cold waves from Siberia can occur, and the temperatures can drop to -20 °C (-4 °F) or below. The coldest record is -32 °C (-25.6 °F) and was set in February 1956.
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 can be short heat waves, with maximum temperatures exceeding 30 °C (86 °F). The temperature reached 38 °C (100.5 °F) in August 2015.

Best Time

The best time to visit Wroclaw 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.

Wroclaw - Climate data

In Wroclaw, the average temperature of the coldest month (January) is of -0.2 °C (31.7 °F), that of the warmest month (July) is of 19.7 °C (67.5 °F). Here are the average temperatures.
In Wroclaw, precipitation amounts to 540 millimeters (21.3 inches) per year: so, it is at an intermediate level. It ranges from 25 mm (1 in) in the driest month (February) to 95 mm (3.7 in) in the wettest one (July). Here is the average precipitation.
In Wroclaw, there are on average around 1885 sunshine hours per year. Here are the average hours of sunshine per day.

Wroclaw - Weather by month

Based on the period 1991-2020

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In January, the coldest month of the year, the weather in Wroclaw is usually very cold. The average temperature is of -0.2 °C (32 °F), with a minimum of -3.3 °C (26 °F) and a maximum of 3 °C (37.4 °F).
On the coldest nights of the month, the temperature usually drops to around -14.5 °C (5.5 °F). However, it dropped to -22.5 °C (-8.5 °F) in January 2006.
On the warmest days of the month, the temperature usually reaches around 11 °C (51.5 °F). However, it reached 15.3 °C (59.5 °F) in January 2015.
Precipitation amounts to 30 mm (1.2 in), distributed over 8 days.
The day lasts on average 8 hours and 30 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 22% of the time.
The average humidity is 84%. Hence, the air is normally humid.

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In February, the weather in Wroclaw is usually cold. The average temperature is of 1.1 °C (34 °F), with a minimum of -2.5 °C (27.5 °F) and a maximum of 4.7 °C (40.4 °F).
On the coldest nights of the month, the temperature usually drops to around -11.5 °C (11.5 °F). However, it dropped to -21.6 °C (-6.9 °F) in February 1996.
On the warmest days of the month, the temperature usually reaches around 12.5 °C (55 °F). However, it reached 18 °C (64.4 °F) in February 2008.
Precipitation amounts to 25 mm (1 in), distributed over 6 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 29% of the time.
The average humidity is 80%. Hence, the air is normally humid.

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In March, the weather in Wroclaw is usually quite cold. The average temperature is of 4.5 °C (40 °F), with a minimum of 0 °C (32 °F) and a maximum of 9 °C (48.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -7.5 °C (19 °F). However, it dropped to -17.6 °C (0.3 °F) in March 2005.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 18 °C (65 °F). However, it reached 22.5 °C (72.5 °F) in March 2014.
Precipitation amounts to 35 mm (1.4 in), distributed over 8 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 35% of the time.
The average humidity is 75%. Hence, the air is normally humid.

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In April, the weather in Wroclaw is usually mild. The average temperature is of 9.6 °C (49 °F), with a minimum of 3.8 °C (38.9 °F) and a maximum of 15.4 °C (59.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -3.5 °C (26 °F). However, it dropped to -7.4 °C (18.7 °F) in April 2012.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 24.5 °C (75.5 °F). However, it reached 30 °C (86 °F) in April 2012.
Precipitation amounts to 30 mm (1.2 in), distributed over 7 days.
The day lasts on average 13 hours and 55 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 68%.

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In May, the weather in Wroclaw is usually mild. The average temperature is of 14.2 °C (57 °F), with a minimum of 8.3 °C (46.9 °F) and a maximum of 20 °C (68 °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 -1.9 °C (28.6 °F) in May 2011.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 28 °C (82 °F). However, it reached 32.4 °C (90.3 °F) in May 2005.
Precipitation amounts to 60 mm (2.4 in), distributed over 8 days.
The day lasts on average 15 hours and 35 minutes. So the days are long.
There are on average 8 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 70%.

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In June, the weather in Wroclaw is usually very mild. The average temperature is of 17.8 °C (64 °F), with a minimum of 12 °C (53.7 °F) and a maximum of 23.4 °C (74.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 6 °C (43 °F). However, it dropped to 1.2 °C (34.2 °F) in June 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 31.5 °C (88.5 °F). However, it reached 35.1 °C (95.2 °F) in June 2016.
Precipitation amounts to 60 mm (2.4 in), distributed over 8 days.
The day lasts on average 16 hours and 30 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 8.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 70%.

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In July, the warmest month of the year, the weather in Wroclaw is usually warm. The average temperature is of 19.7 °C (67 °F), with a minimum of 13.9 °C (56.9 °F) and a maximum of 25.6 °C (78 °F).
On the coldest nights of the month, the temperature usually drops to around 8.5 °C (47.5 °F). However, it dropped to 5.6 °C (42.1 °F) in July 1996.
On the warmest days of the month, the temperature usually reaches around 33 °C (91 °F). However, it reached 37.1 °C (98.8 °F) in July 1994.
Precipitation amounts to 95 mm (3.7 in), distributed over 10 days.
The day lasts on average 16 hours and 0 minutes. So the days are long.
There are on average 8.5 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 70%.

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In August, the weather in Wroclaw is usually warm. The average temperature is of 19.4 °C (67 °F), with a minimum of 13.4 °C (56.1 °F) and a maximum of 25.4 °C (77.7 °F).
On the coldest nights of the month, the temperature usually drops to around 7 °C (44.5 °F). However, it dropped to 3.4 °C (38.1 °F) in August 1999.
On the warmest days of the month, the temperature usually reaches around 32.5 °C (90.5 °F). However, it reached 37.9 °C (100.2 °F) in August 2015.
Precipitation amounts to 60 mm (2.4 in), distributed over 8 days.
The day lasts on average 14 hours and 30 minutes. So the days are long.
There are on average 8 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 70%. Hence, the air is normally humid.

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In September, the weather in Wroclaw is usually very mild. The average temperature is of 14.7 °C (59 °F), with a minimum of 9.4 °C (48.9 °F) and a maximum of 20.1 °C (68.1 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 2.5 °C (36 °F). However, it dropped to -0.8 °C (30.6 °F) in September 1991.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 27.5 °C (81.5 °F). However, it reached 35.3 °C (95.5 °F) in September 2015.
Precipitation amounts to 45 mm (1.8 in), distributed over 8 days.
The day lasts on average 12 hours and 35 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 77%. Hence, the air is normally humid.

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In October, the weather in Wroclaw is usually mild. The average temperature is of 9.8 °C (50 °F), with a minimum of 5.2 °C (41.4 °F) and a maximum of 14.3 °C (57.8 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -3 °C (27 °F). However, it dropped to -9.3 °C (15.3 °F) in October 2003.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 23 °C (73 °F). However, it reached 26.6 °C (79.9 °F) in October 2004.
Precipitation amounts to 35 mm (1.4 in), distributed over 7 days.
The day lasts on average 10 hours and 35 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 36% of the time.
The average humidity is 82%. Hence, the air is normally humid.

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In November, the weather in Wroclaw is usually quite cold. The average temperature is of 4.8 °C (41 °F), with a minimum of 1.3 °C (34.4 °F) and a maximum of 8.3 °C (46.9 °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 -12.7 °C (9.1 °F) in November 2010.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 16 °C (61 °F). However, it reached 19.9 °C (67.8 °F) in November 2018.
Precipitation amounts to 30 mm (1.2 in), distributed over 7 days.
The day lasts on average 8 hours and 55 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 25% of the time.
The average humidity is 86%. Hence, the air is normally humid.

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In December, the weather in Wroclaw is usually cold. The average temperature is of 1.0 °C (34 °F), with a minimum of -2.1 °C (28.3 °F) and a maximum of 4.1 °C (39.3 °F).
On the coldest nights of the month, the temperature usually drops to around -11.5 °C (11.5 °F). However, it dropped to -21.7 °C (-7.1 °F) in December 1998.
On the warmest days of the month, the temperature usually reaches around 11.5 °C (52.5 °F). However, it reached 16 °C (60.8 °F) in December 2015.
Precipitation amounts to 30 mm (1.2 in), distributed over 8 days.
The day lasts on average 8 hours and 0 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 85%. Hence, the air is normally humid.