Climate and monthly weather forecast
Poznań, Poland

Poznań, located in Poland, exhibits a Marine west coast climate with a warm summer, according to the Köppen climate classification, termed as Cfb. This city experiences varying weather conditions throughout the year, considering the degrees of temperature, hours of daylight, precipitation and relative humidity.

Poznań faces a temperature spectrum extending from -4.6°C (23.7°F) to 24.6°C (76.3°F). The coldest month registers in January with a low of -4.6°C (23.7°F), while July sees a high of 24.6°C (76.3°F), achieving the title of the warmest month. These shifting temperatures reflect the four distinct seasons experienced by the city. Variations in temperature are also correlated with changes in the hours of sunlight. With 16.7 hours in June, Poznań experiences the most daylight, plunging to a low of 7.8 hours in December.

Precipitation metrics span from 27mm (1.06") to 76mm (2.99") in a year. There's a notable increase in the rainfall from May, measuring 50mm (1.97"), spiking in July at 76mm (2.99"). However, precipitation is relatively consistent throughout the year, with each month observing between 9 to 14 days of rainfall. Concurrently, relative humidity shows subtle fluctuation across the year, ranging from 63% to 82%. Humidity peaks in January and December, tied at 82%, and records the lowest in May at 63%.

Along with the overall weather consistency, Poznań comes with distinct weather patterns. July stands out not only as the warmest month, with a temperature high of 24.6°C (76.3°F), but it's also characterized by the highest precipitation level at 76mm (2.99").

Considering the weather parameters, the ideal time to visit Poznań stretches from May to September. This period showcases the warmest temperatures, varying between 19.4°C (66.9°F) and 24.5°C (76.1°F). Daylight hours are also plentiful in these months, with maximum sunlight exposure extending from 15.8 hours to 16.7 hours. Although there's an increase in rainfall in this period, with the volume ranging from 50mm (1.97") to 76mm (2.99"), the number of rain soaked days stay relatively predictable, from 11 days to 13 days a month, leaving ample dry days for outdoor exploration.

The least optimal time for a trip to Poznań would be during the colder months, between November and March. During this period, the temperatures plummet to lows between -4.6°C (23.7°F) and 2.9°C (37.2°F). The hours of daylight are significantly reduced to between 7.8 hours to 9.9 hours, leaving limited time for daytime activities. In conjunction with these factors, the frequency of rainfall is at its peak, with rainfall days spanning from 12 to 14 days that could potentially disrupt travel plans.

Spring in Poznań, extending from March to May, witnesses a gradual increase in temperatures from 8.3°C (46.9°F) in March, peaking at 19.4°C (66.9°F) in May. Daylight hours similarly climb from 11.9 hours to 15.8 hours, providing extended periods for outdoor activities. Though average rainfall rates recur from 38mm (1.5") to 50mm (1.97"), the number of rainfall days decreases from 11 to 9, implying a slight dry shift in the weather.

Summer in Poznań ranges from June to August, embracing the maximum temperatures of the year between 22.1°C (71.8°F) and 24.6°C (76.3°F). Daylight hours during these months maximize from 16.7 hours to 14.6 hours, offering extensive exploration time. Rainfall begins on a high note at 57mm (2.24") in June, soaring to 76mm (2.99") in July before descending to 61mm (2.4") in August. These rainfall volumes are noticeable over12 to 13 days of the month.

Autumn in Poznań, from September to November, experiences a steady drop in temperatures from 19.3°C (66.7°F) to 6.7°C (44.1°F). Daylight hours also reduce from 12.7 hours in September to 8.8 hours in November. Rainfall remains reasonably constant from 42mm (1.65") to 35mm (1.38"), occurring over 9 to 14 days, while relative humidity levels rise from 74% to 80%.

Winter in Poznań, spanning December through February, faces the chilliest temperatures of the year, edging from 3.2°C (37.8°F) to -4.6°C (23.7°F). These months ascertain the least amount of daylight from 7.8 hours to 9.9 hours. Rainfall runs between 40mm (1.57") and 33mm (1.3") over 12 to 14 days, while humidity peaks at 82%. The winter months, consequently, record the least favorable weather conditions in Poznań.

Embarking upon a new year, Poznań, Poland grapples with the chill of winter. Crisp mornings bring with them an average low temperature of -4.6°C (23.7°F), making January colder compared to December. A palpable level of cloud cover reduces the daylight hours to merely 8.3, further accentuating the winter feel of the city. Weather in January »

The grey, frigid weather continues into February with frosty mornings maintaining their presence. However, it brings a slight elevation in warmth as the average high temperature rises slightly from January’s record to 2.9°C (37.2°F). Weather in February »

As March sets in, the arrival of spring is deeply felt in Poznań, Poland. A visible uplift in temperature is noticed, both during the daytime and the nights. The transition of seasons is marked by a surge in the mercury level, with the average high temperature leaping to 8.3°C (46.9°F). Weather in March »

April in Poznań is an exhibition of true spring weather, casting away the last remnants of winter. The warming trend proceeds with the month being noticeably warmer than the previous one. A distinct increase in daylight to 14 hours propels the city towards longer and brighter days. Weather in April »

May in Poznań, Poland brings with it a rejuvenating weather that sees a remarkable surge in warmth, nudging towards summer. The city enjoys an ample span of daylight to the tune of 15.8 hours. The sun shines brightly, raising the UV index to 5, suggestive of regular sunscreen use for outdoor forays. Weather in May »

June greets Poznań with the onset of summer in full swing, raising the warmth a notch higher. As the temperature soars, city dwellers flock to outdoor spaces to relish the sunny days which now extends to the longest of the year, 16.7 hours. Weather in June »

July stands as the hottest month in Poznań, Poland with an enticing summer season. With the average high temperature soaring to 24.6°C (76.3°F), it is noticeably warmer compared to June. The city revels under the scorching sun which is evidenced by the UV index remaining at its peak of 6. Weather in July »

As August approaches, the summer continues to blaze in Poznań, Poland barring a slight dip in the mercury level. A plunge in the daylight hour to 14.6 is observed, a sign of the nearing end of the summer season. Despite the city enjoying abundant sunlight, a decrease in the UV index to 5 signals the declining intensity of the sun. Weather in August »

September in Poznań, Poland signals the transition to the cooler seasons, with a distinct drop in temperature from summer highs. As autumn sets in, the splendid sunshine of the summer gives way to cooler cloudier days. The decrease in the temperature, daylight, and UV index subtly ushers in the onset of fall. Weather in September »

October in Poznań ushers in the full-fledged presence of autumn. A substantial change from September's weather is noted as autumn strengthens its grip on the city. Shorter daylight hours of just 10.6 make the days seem fleeting, adding an element of urgency to outdoor activities. Weather in October »

As November descends upon Poznań, Poland, the weather turns increasingly cold, and signs of the impending winter start becoming visible. A noticeable drop in the mercury level from October’s moderate temperature makes the city-weather quite chilly. Weather in November »

December in Poznań, Poland rivets the arrival of winter, launching the city into the harshest phase of the weather cycle. The temperature takes a further dip from November's already low degree, bringing about a chillier weather pattern. Weather in December »