Climate - Jelenia Gora (Poland)

The climate of Jelenia Gora is moderately continental, characterized by cold winters, with temperatures often below freezing (0 °C or 32 °F), and mild or pleasantly warm summers.
The city is located in southwestern Poland, in the Lower Silesian Voivodeship, 350 meters (1,150 feet) above sea level, at the foot of the "Giant Mountains" (or Karkonosze), near ski resorts such as Karpacz and Szklarska Poreba.
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 -36 °C (-32.8 °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, which are more abundant than in the lowland areas of Poland. In addition, nights are often very cool.
Every now and then (and more often in recent years due to global warming), there can be short hot periods, with maximum temperatures reaching or exceeding 30 °C (86 °F). The temperature reached 36 °C (97 °F) in August 1994, in August 2015 and in late June 2019.

Best Time

The best time to visit Jelenia Gora 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.

Jelenia Gora - Climate data

In Jelenia Gora, the average temperature of the coldest month (January) is of -1.6 °C (29.2 °F), that of the warmest month (July) is of 17.4 °C (63.3 °F). Here are the average temperatures.
In Jelenia Gora, precipitation amounts to 705 millimeters (27.8 inches) per year: so, it is at an intermediate level. It ranges from 35 mm (1.4 in) in the driest months (February, December) to 110 mm (4.3 in) in the wettest one (July). Here is the average precipitation.
In Jelenia Gora, there are on average around 1800 sunshine hours per year. Here are the average hours of sunshine per day.

Jelenia Gora - Weather by month

Based on the period 1991-2020

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In January, the coldest month of the year, the weather in Jelenia Gora is usually very cold. The average temperature is of -1.6 °C (29 °F), with a minimum of -5.7 °C (21.7 °F) and a maximum of 2.6 °C (36.7 °F).
On the coldest nights of the month, the temperature usually drops to around -18.5 °C (-1.5 °F). However, it dropped to -28.2 °C (-18.8 °F) in January 2009.
On the warmest days of the month, the temperature usually reaches around 10.5 °C (51.5 °F). However, it reached 17 °C (62.6 °F) in January 1993.
Precipitation amounts to 40 mm (1.6 in), distributed over 10 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 26% of the time.

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In February, the weather in Jelenia Gora is usually very cold. The average temperature is of -0.4 °C (31 °F), with a minimum of -4.8 °C (23.4 °F) and a maximum of 4.1 °C (39.4 °F).
On the coldest nights of the month, the temperature usually drops to around -15 °C (5 °F). However, it dropped to -28 °C (-18.4 °F) in February 2012.
On the warmest days of the month, the temperature usually reaches around 12.5 °C (54.5 °F). However, it reached 18.1 °C (64.6 °F) in February 2008.
Precipitation amounts to 35 mm (1.4 in), distributed over 8 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 31% of the time.

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In March, the weather in Jelenia Gora is usually cold. The average temperature is of 2.8 °C (37 °F), with a minimum of -2.2 °C (28 °F) and a maximum of 7.9 °C (46.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -10.5 °C (13 °F). However, it dropped to -23.6 °C (-10.5 °F) in March 1996.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 17.5 °C (63.5 °F). However, it reached 21.6 °C (70.9 °F) in March 2010.
Precipitation amounts to 50 mm (2 in), distributed over 10 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.

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In April, the weather in Jelenia Gora is usually quite mild. The average temperature is of 7.6 °C (46 °F), with a minimum of 1.4 °C (34.5 °F) and a maximum of 13.8 °C (56.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -6 °C (21.5 °F). However, it dropped to -13.4 °C (7.9 °F) in April 2003.
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 28.7 °C (83.7 °F) in April 2012.
Precipitation amounts to 40 mm (1.6 in), distributed over 8 days.
The day lasts on average 13 hours and 55 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 45% of the time.

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In May, the weather in Jelenia Gora is usually mild. The average temperature is of 12 °C (54 °F), with a minimum of 5.8 °C (42.4 °F) and a maximum of 18.2 °C (64.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -1 °C (30.5 °F). However, it dropped to -5 °C (23 °F) in May 2011.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 26.5 °C (80 °F). However, it reached 31.1 °C (88 °F) in May 2005.
Precipitation amounts to 70 mm (2.8 in), distributed over 10 days.
The day lasts on average 15 hours and 35 minutes. So the days are long.
There are on average 7 hours of sunshine per day. So, the sun shines 46% of the time.

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In June, the weather in Jelenia Gora is usually very mild. The average temperature is of 15.4 °C (60 °F), with a minimum of 9.4 °C (48.9 °F) and a maximum of 21.5 °C (70.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 3 °C (37.5 °F). However, it dropped to -1.5 °C (29.3 °F) in June 2009.
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 36 °C (96.8 °F) in June 2019.
Precipitation amounts to 85 mm (3.3 in), distributed over 11 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 7.5 hours of sunshine per day. So, the sun shines 44% of the time.

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In July, the warmest month of the year, the weather in Jelenia Gora is usually very mild. The average temperature is of 17.4 °C (63 °F), with a minimum of 11.2 °C (52.2 °F) and a maximum of 23.6 °C (74.5 °F).
On the coldest nights of the month, the temperature usually drops to around 5.5 °C (41.5 °F). However, it dropped to 2.7 °C (36.9 °F) in July 1996.
On the warmest days of the month, the temperature usually reaches around 31 °C (88 °F). However, it reached 35.4 °C (95.7 °F) in July 1994.
Precipitation amounts to 110 mm (4.3 in), distributed over 11 days.
The day lasts on average 16 hours and 0 minutes. So the days are long.
There are on average 7.5 hours of sunshine per day. So, the sun shines 47% of the time.

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In August, the weather in Jelenia Gora is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 17.0 °C (63 °F), with a minimum of 10.5 °C (50.9 °F) and a maximum of 23.6 °C (74.5 °F).
On the coldest nights of the month, the temperature usually drops to around 4.5 °C (39.5 °F). However, it dropped to 0.8 °C (33.4 °F) in August 1995.
On the warmest days of the month, the temperature usually reaches around 31 °C (87.5 °F). However, it reached 35.8 °C (96.4 °F) in August 1994.
Precipitation amounts to 90 mm (3.5 in), distributed over 9 days.
The day lasts on average 14 hours and 25 minutes. So the days are long.
There are on average 7.5 hours of sunshine per day. So, the sun shines 51% of the time.

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In September, the weather in Jelenia Gora is usually mild. The average temperature is of 12.6 °C (55 °F), with a minimum of 6.9 °C (44.4 °F) and a maximum of 18.4 °C (65.1 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 0 °C (32 °F). However, it dropped to -3.2 °C (26.2 °F) in September 2018.
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 33.2 °C (91.8 °F) in September 2012.
Precipitation amounts to 65 mm (2.6 in), distributed over 9 days.
The day lasts on average 12 hours and 35 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 41% of the time.

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In October, the weather in Jelenia Gora is usually quite mild. The average temperature is of 8.3 °C (47 °F), with a minimum of 3.1 °C (37.6 °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 -5 °C (23 °F). However, it dropped to -8.7 °C (16.3 °F) in October 2003.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 22 °C (72 °F). However, it reached 26.3 °C (79.3 °F) in October 1995.
Precipitation amounts to 80 mm (3.1 in), distributed over 9 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 38% of the time.

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In November, the weather in Jelenia Gora is usually cold. The average temperature is of 3.4 °C (38 °F), with a minimum of -0.8 °C (30.6 °F) and a maximum of 7.7 °C (45.9 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -9.5 °C (15 °F). However, it dropped to -17.2 °C (1 °F) in November 1993.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 16 °C (60.5 °F). However, it reached 19.5 °C (67.1 °F) in November 2010.
Precipitation amounts to 40 mm (1.6 in), distributed over 8 days.
The day lasts on average 8 hours and 55 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 29% of the time.

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In December, the weather in Jelenia Gora is usually very cold. The average temperature is of -0.4 °C (31 °F), with a minimum of -4.3 °C (24.3 °F) and a maximum of 3.5 °C (38.3 °F).
On the coldest nights of the month, the temperature usually drops to around -15 °C (5 °F). However, it dropped to -29.5 °C (-21.1 °F) in December 1996.
On the warmest days of the month, the temperature usually reaches around 11 °C (52 °F). However, it reached 14.9 °C (58.8 °F) in December 2019.
Precipitation amounts to 35 mm (1.4 in), distributed over 9 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 2 hours of sunshine per day. So, the sun shines 26% of the time.