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Climate - Poland


Average weather, temperature, rainfall, when to go, what to pack

Flag - Poland

Map - Poland


Index


  • Introduction
  • The coast - Gdansk
  • Inland areas - Warsaw
  • Mountains
  • Cold and heat waves
  • Best Time
  • What to pack

Introduction



The climate in Poland is continental, with very cold winters, often below freezing (0 °C or 32 °F), and warm summers. The climate is milder along the northern coast, overlooking the Baltic Sea, while it becomes progressively more continental going to the south, where the distance from the sea is greater.
Lublin Winter, from December to February, is cold throughout the country. The average temperatures in January is around freezing along the Baltic coast, and progressively decreases towards the south and the east: it ranges from about 0 °C (32 °F) in the north-western area to -3 °C (26.5 °F) in the easternmost area, on the border with Belarus and Lithuania, while it's around -2 °C (28.5 °F) in the southern area. In Warsaw, the capital, located near the center of the country, the average in January is -2 °C (29 °F). The ground is often covered with snow from December to mid-March, although snowfall is generally not abundant. However, the weather during winter can have different characteristics: usually, the sky is gray, the temperature is around freezing or a few degrees below, and a light snow falls, but when cold air masses from Russia reach the country, the temperature decreases by many degrees, and drops below -20 °C (-4 °F). The coldest records are around -25/-30 °C (-13/-22 °F) in the interior, and therefore in much of Poland, while they are around -18/-20 °C (0/-4 °F) along the northern coast.
Spring, from March to May, is initially cold, and in early April, there can be late cold waves with snow showers. In April and early May, cold days alternate with the first warm days, while by mid-May, the temperature becomes steadily pleasant, with highs around 15/20 °C (59/68 °F) and sometimes above.
Summer, from June to August, is mild or pleasantly warm: the average daily temperatures are around 17/19 °C (63/66 °F). The Baltic coast, which during winter was the mildest zone, becomes the coolest in summer: here, highs in July and August are around 20/21 °C (68/70 °F), while they gradually increase towards the south, reaching 23/24 °C (73/75 °F) in the center and south of the country.
Summer in Poland is the rainiest season. This is due to the fact that Atlantic disturbances can arrive even in this season, in addition, thunderstorms in the afternoon may occur, more frequently in inland areas, and even more so near the Sudetes and Tatra Mountains in the south.
In July, it rains on average for 10 days on the north coast, 11 days in Warsaw, and 12 in the south. However, there is a moderate amount of sunny days, which may be hot, especially when warm currents arrive from the south-east: in these cases, the temperature can reach 30/35 °C (86/95 °F).
In autumn, from September to November, the temperatures decrease rapidly, but the first half of September is still pleasant. Afterwards, the weather becomes cold and dull.

The coast


Gdansk

Here is the average temperature of Gdansk, located on the northern coast.
Gdansk - Average temperatures
MonthMin (°C)Max (°C)Mean (°C)Min (°F)Max (°F)Mean (°F)
January-41-1.2253529.8
February-32-0.4263631.3
March-162.7314336.9
April3117.2385345
May81712.3466254.1
June112015.4526759.6
July142217.9567264.2
August132217.7567263.9
September101813.8506456.8
October6139.1425548.4
November163.6344338.6
December-220.1283632.3
Year4.711.88.240.553.247

In Gdansk, precipitation amounts to 570 mm (22.5 in) per year; the rainiest period runs from June to August, while precipitation in winter is not abundant.
Gdansk - Average precipitation
MonthMillimetersInchesDays
January301.217
February25115
March301.215
April301.212
May552.213
June702.814
July702.813
August702.814
September652.613
October50215
November451.817
December401.618
Year57022.4176

The Baltic Sea is very cool, if not cold, even in summer, however, the water temperature reaches 18 °C (64 °F) in August.
Gdansk - Sea temperature
MonthCelsius (°C)Fahrenheit (°F)
January439
February337
March337
April439
May846
June1355
July1661
August1864
September1559
October1254
November948
December643
Year9.348.7

Inland areas


Warsaw

As mentioned, the climate in inland areas is slightly more continental, as we can see from the average temperatures of Warsaw.
Warsaw - Average temperatures
MonthMin (°C)Max (°C)Mean (°C)Min (°F)Max (°F)Mean (°F)
January-41-1.8243328.8
February-42-0.8263530.5
March-172.9314437.2
April4148.8395647.8
May92014.2486757.6
June122216.8537162.3
July142419.2577666.5
August132418.5567565.3
September91813.8486556.8
October5138.8415547.8
November163.2334337.8
December-32-0.7273530.7
Year4.612.68.640.354.847.5

Precipitation in Warsaw is not abundant, in fact, it amounts to about 530 mm (21 in) per year; the driest seasons are winter and spring, while the rainiest is summer. Here is average precipitation.
Warsaw - Average precipitation
MonthMillimetersInchesDays
January25112
February25111
March301.212
April351.413
May552.214
June702.815
July75314
August652.613
September451.815
October301.215
November351.415
December351.414
Year53020.9163

The sun in Warsaw and in Poland is rarely seen from November to February, while in summer, it shines for a moderate amount of hours, although it can be obscured not only by Atlantic disturbances but also by afternoon cloudiness, which can sometimes lead to thunderstorms. Here are the average sunshine hours per day.
Warsaw - Sunshine hours
MonthAverageTotal
January130
February260
March4125
April5150
May7215
June8240
July8250
August7215
September5150
October395
November260
December130
Year4.41620

Warsaw

Mountains


In southern Poland, where mountain ranges such as the Sudetes and the Tatras are found, the climate is naturally colder. Winters are cold and snowy, but not much colder than in the lowlands (because of the temperature inversion, a phenomenon whereby cold air stagnates on the lowest layers of the atmosphere, which is typical of cold plains in winter). Summers are cool, with frequent afternoon thunderstorms. In Zakopane, a popular tourist resort, at 850 meters (2,800 ft) above sea level, the average temperature ranges from -5 °C (23 °F) in January to 15 °C (59 °F) in July. At higher altitudes, at 2,000 meters (6,500 feet) above sea level, it ranges from -9 °C (16 °F) in January to 7.5 °C (45.5 °F) in July.
On the slopes of these southern mountains and in the valleys, a warm, dry wind, similar to the Foehn (the Halny in the Tatras and the Moazagotl in the Sudetes), can blow, especially in early spring and in autumn; sometimes, this wind can be strong and cause damage.
The highest peak in the country is Mount Rysy, 2,503 meters (8,212 feet) high, on the border with Slovakia.
Here are the average temperatures of Mount Sniežka, the highest among the "Giant Mountains" (or Karkonosze), located at 1,600 meters (5,300 ft) of altitude, in the southwest of the country, at the border with the Czech Republic.
Sniezka - Average temperatures
MonthMin (°C)Max (°C)Mean (°C)Min (°F)Max (°F)Mean (°F)
January-9-4-6.1162621
February-9-4-6.6162520.2
March-7-2-4.6202823.8
April-32-0.5273531.1
May274.6364540.4
June4107404944.7
July7129.4445449
August7129.4455349
September385.6384642
October042314035.6
November-50-2.3243227.9
December-8-2-5182823
Year-1.33.61.1529.638.534

Cold and heat waves



As mentioned, from time to time, Poland can be affected by polar cold waves, coming from the Russian Arctic or Siberia.

In February 1956, the longest postwar cold spell in many European countries, the temperature dropped to -31 °C (-24 °F) in Wroclaw and Kielce, -30 °C (-22 °F) in Gdansk and Katowice, -29 °C (-20 °F) in Lublin and Szczecin, -27 °C (-16.5 °F) in Lodz, and -26 °C (-15 °F) in Warsaw.
In January 1963, the temperature dropped to -31 °C (-24 °F) in Lublin and Lodz, -29 °C (-20 °F) in Bialystok, -28 °C (-18.5 °F) in Warsaw, -27 °C (-16.5 °F) in Wroclaw, -26 °C (-15 °F) in Katowice, and -24 °C (-11 °F) in Gdansk.
In January 1985, the temperature dropped to -31.5 °C (-24.5 °F) in Jelenia Gora, -30 °C (-22 °F) in Wroclaw, -28 °C (-18.5 °F) in Bialystok and Gdansk, -26 °C (-15 °F) in Krakow, -25 °C (-13 °F) in Poznan and Warsaw, -24 °C (-11 °F) in Bialystok and Katowice, and -20.5 °C (-5 °F) in Szczecin and Swinoujscie.
In February 1985, the cold returned, and the temperature dropped to -27.5 °C (-17.5 °F) in Lodz, -27 °C (-16.5 °F) in Krakow, -26.5 °C (-15.5 °F) in Lublin, -26 °C (-15 °F) in Katowice, -24 °C (-11 °F) in Gdansk, Lublin, Poznan and Warsaw, and -19.5 °C (-3 °F) in Szczecin.
The cold wave of January 1987 was in Poland, and in some areas of northern Europe, the worst after the war, at least in intensity. The temperature dropped to -34.5 °C (-30 °F) in Bialystok (in the north-east), -32 °C (-25.5 °F) in Lublin (in the south-east), -31 °C (-24 °F) in Jelenia Gora, Katowice and Warsaw, -30 °C (-22 °F) in Krakow, Gdansk, Lodz and Szczecin, -29.5 °C (-21 °F) in Wroclaw, and -28.5 °C (-19.5 °F) in Poznan.
In January 2006, the temperature dropped to -30 °C (-22 °F) in Lodz, -29 °C (-20 °F) in Katowice, -27.5 °C (-17.5 °F) in Lublin, -27 °C (-16.5 °F) in Krakow and Warsaw, -26.5 °C (-15.5 °F) in Poznan, -26 °C (-15 °F) in Bialystok and Szczecin, -22.5 °C (-8.5 °F) in Wroclaw, -21 °C (-6 °F) in Gdansk, and -20 °C (-4 °F) in Swinoujscie.
In January 2010, the temperature dropped to -25 °C (-13 °F) in Lublin, -24 °C (-11 °F) in Katowice, -23 °C (-9.5 °F) in Warsaw, -22 °C (-7.5 °F) in Krakow and Lodz, and -21 °C (-6 °F) in Wroclaw.
In February 2012, the temperature dropped to -30 °C (-22 °F) in Bialystok, -28 °C (-18.5 °F) in Jelenia Gora, -27 °C (-16.5 °F) in Gdansk and Katowice, -25 °C (-13 °F) in Szczecin, -23 °C (-9.5 °F) in Krakow and Warsaw, and -22 °C (-7.5 °F) in Swinoujscie and Lodz.

In summer, Poland is not particularly prone to heat waves, due to its high latitude, however there can sometimes be hot periods, usually lasting a few days, in which the temperature can reach 33/34 °C (93 °F) or even more. In recent decades, these situations have become more frequent due to global warming. The most affected area is generally the western one (see Wroclaw, Poznan), the least exposed is the Baltic coast.
Between the end of July and the beginning of August 1994, the temperature reached 38 °C (100.5 °F) in Szczecin, 37.5 °C (99.5 °F) in Lodz and Swinoujscie, 37 °C (98.5 °F) in Wroclaw and Poznan, 36 °C (97 °F) in Jelenia Gora and Warsaw, 35.5 °C (96 °F) in Bialystok, 35 °C (95 °F) in Gdansk and Katowice, and 34 °C (93 °F) in Lublin.
In August 2013, the temperature reached 37 °C (98.5 °F) in Krakow, Katowice, Lodz and Warsaw, 36 °C (97 °F) in Wroclaw, 35 °C (95 °F) in Lublin, 34.5 °C (94 °F) in Swinoujscie, and 34 °C (93 °F) in Szczecin.
In August 2015, the temperature reached 38 °C (100.5 °F) in Wroclaw, 37 °C (98.5 °F) in Poznan and Warsaw, 36 °C (97 °F) in Krakow, Jelenia Gora and Szczecin, 35 °C (95 °F) in Katowice and Lublin, 34.5 °C (94 °F) in Bialystok, 34 °C (93 °F) in Swinoujscie, and 33 °C (91.5 °F) in Gdansk.
Between the end of June and the beginning of July 2019, there was a very short and early heatwave, which brought 38 °C (100.5 °F) in Poznan and Swinoujscie, 37 °C (98.5 °F) in Wroclaw, 36 °C (97 °F) in Krakow and Warsaw, 35 °C (95 °F) in Katowice, Lublin and Szczecin, and 34 °C (93 °F) in Gdansk.

Best Time



The best time to visit Poland is summer, from June to August, however, you can generally go in the warm season, from mid-May to mid-September. The temperatures are usually cool at night and mild or pleasantly warm during the day, however, there can be cool and rainy days, but also hot and sunny days.
In the mountains, it's still possible to ski at Easter, while at Christmas, it can be very cold, and the days are short. In February, it's cold as well, but at least the days are a bit longer.

What to pack



In winter: bring very warm clothes, a fleece, a down jacket, a hat, gloves, a scarf, and a raincoat or umbrella.
In summer: bring light clothes, t-shirts, but also long pants, a jacket and a sweater for the evening or for cool days; a raincoat or umbrella.

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 See also (cities or regions):

 Bialystok
 Bielsko Biala
 Gdansk
 Jelenia Gora
 Katowice
 Krakow
 Lodz
 Lublin
 Poznan
 Swinoujscie
 Szczecin
 Warsaw
 Wroclaw

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 European Russia
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