Climate and monthly weather forecastSlupsk, Poland
Climate and monthly weather forecast
The climate of Slupsk
Abiding by the Köppen climate classification, Slupsk, a city in Poland, boasts a Marine west coast climate, type Cfb. Situated at the Baltic Sea's edge, this city experiences mild, temperate conditions throughout the year. The weather in Slupsk presents a moderate climate with temperatures shifting between -1.7°C (28.9°F) in the coldest month to 22.8°C (73°F) during the warmest month.Throughout the course of a year, a moderate amount of rainfall can be experienced in Slupsk — the range is from 12mm (0.47") in the driest month to 38mm (1.5") in the wettest month. The average monthly sunshine varies from 2.8 hours in the darkest month to 9.9 hours in the sunniest month. Snowfall can be recorded from 1mm (0.04") up to 72mm (2.83") in the winter months. Wind speeds, on average, change from 13.9km/h (8.6mph) to 19.4km/h (12.1mph), with gusts of up to 31km/h (19.3mph).
The city of Slupsk experiences unique weather patterns; January sees the most snowfall, with an average of 72mm (2.83"). Despite this, rainfall is evenly distributed throughout the year without a pronounced dry or wet season. July experiences the most daylight, with roughly 17.1 hours per day, while November is predominantly overcast, with cloud cover reaching 72%.
The Best Time to Visit Slupsk
The optimal period to visit Slupsk is from late May to August. During these months, temperatures on average rise above 15°C (59°F), providing pleasant conditions for sightseeing. June is the brightest month, with Slupsk basking in almost 17.1 hours of daylight and near about 9.7 hours of sunshine. The humidity levels drop to around 70% during this period offering comfortable conditions for outdoor activities.The Worst Time to Visit Slupsk
The least favorable period for a visit to Slupsk would be in the frigid months of December, January, and February. The temperatures plummet to freezing conditions during these months. January specifically can be quite daunting with an average low of -1.7°C (28.9°F), and the average snowfall can reach up to 72mm (2.83"). Besides, the city witnesses an average of 10.2 days of snowfall in January. Consequently, the city often experiences poor visibility during these months, reducing the prospects for outdoor activities or sightseeing.Spring Weather in Slupsk
Spring in Slupsk, which lasts from March through May, enjoys a rapid rise in temperatures. March commences with a somewhat chilly average of 1.1°C (34°F), increasing to a mild 7.8°C (46°F) in May. Rainfall stays consistent with an average of 23mm (0.91") to 30mm (1.18") per month, though actual wet days are around 8 to 10. The daylight profile also progressively improves from an average of 11.9 hours in March, reaching up to 16.1 hours by the end of May.Summer Weather in Slupsk
Summer in Slupsk, lasting from June to August, is characteristically mild. Maximal average temperatures reach up to 22.8°C (73°F) in August. Rainfall during these months varies from 28mm (1.1") to 38mm (1.5"), with July witnessing the highest average precipitation of 38mm (1.5") and approximately 13.6 wet days. Despite this, the summer offers the longest daylight hours of the year, with the peak being 17.1 hours in June.Autumn Weather in Slupsk
The autumn months, September through November, experience a gradual decline in temperatures in Slupsk. It starts with a mild 17.9°C (64.2°F) in September and drops to a cooler 3.2°C (37.8°F) in November. Precipitation during these months ranges from 23mm (0.91") to 32mm (1.26"), with no significant increase in wet days.Winter Weather in Slupsk
Winter in Slupsk can be quite chilly with average highs ranging from 1.2°C (34.2°F) to 3.2°C (37.8°F) between December and February. This period also witnesses some of the highest snowfall amounts, with January hitting a peak at 72mm (2.83") over roughly 10.2 days of snowfall. Daylight hours are limited from 7.4 hours in December to 8 hours in February, further compounded by greater cloud cover over 70%, thereby limiting sunshine hours to an average of 2.8 hours.Weather in January
January in Slupsk, Poland, witnesses a clear shift into the winter mode. Chilling temperatures, substantial snowfall, and limited daylight are the typical attributes of this month. January has the highest snowfall of 72mm (2.83"), making it the snowiest month of the year. Weather in January »Weather in February
Moving into February, the winter weariness in Slupsk may feel slightly more bearable, as the intensity of snowfall decreases from 72mm (2.83") in January to 49mm (1.93"). This month is marked by its lower daylight hours and continual snowfall. Weather in February »Weather in March
March brings about a change in Slupsk's weather as winter slowly starts to surrender its reins to spring. Snowfall remarkably reduces to 29mm (1.14") that is a clear transition from the snowy days of the past months. The climate reveals a comforting shift towards slightly warmer temperatures and greater daylight hours. Weather in March »Weather in April
The keynote of April's weather in Slupsk is the reassuring shift towards spring. The extensive snowfall seen in the winter months decreases to just 6mm (0.24") in April. The city experiences a noticeable increase in temperatures, providing a more comfortable environment for the inhabitants. Weather in April »Weather in May
May is characterized by an elated spring environment in Slupsk, with a dramatic drop in snowfall, now to just 1mm (0.04"). The temperature hike is more noticeable, providing a congenial outdoor atmosphere. May's weather hence entertains spring at its peak, proving to be a smooth transition from the somewhat chilly April. Weather in May »Weather in June
June in Slupsk highlights the arrival of summer with the complete disappearance of snow and a marked rise in temperatures. The increased daylight hours provide a fresh welcoming contrast to the diminished light of winter. This month, being the doorstep to summer, enjoys more sunshine and warmth in comparison to May, setting up the conditions for the full-fledged summer days ahead. Slupsk's June weather indicates a minor ascent in high-temperatures, adjusting from a comfortable 16.5°C (61.7°F) in May to a still enjoyable 19.9°C (67.8°F). Weather in June »Weather in July
July's weather in Slupsk is distinctly summer-like, with the highest average temperatures of 22°C (71.6°F). This month witnesses no snowfall, marking it as the peak summer month in the city. A stark difference is seen as compared to June in terms of temperature and rainfall, making July the high summer month. Weather in July »Weather in August
In August, Slupsk bears witness to the continuity of the summer trend from July, with temperatures slightly rising to a peak of 22.8°C (73°F). The inclement weather with high temperatures combined with higher rainfall makes it a unique month. Weather in August »Weather in September
September marks the onset of autumn in Slupsk with a noticeable dip in temperatures. However, it brings about an upswing in the amount of rainfall, showing a clear transition from the drier summer months. September still maintains the bearable temperature ranges of summer, but demonstrates the fall characteristics more dominantly. Weather in September »Weather in October
The weather in October in Slupsk is evidently cooler than in September, indicating the deeper ingress of autumn. The frequency and volume of rainfall also alter significantly, making the town more prone to wet weather. Despite the overall temperature dip, October is still free from any snowfall that might pose challenges. Weather in October »Weather in November
November is the harbinger of winter in Slupsk, with falling temperatures and the onset of slight snowfall of 6mm (0.24"). The mood changes further from the vibes of October as the daylight hours reduce drastically. This month recognizes the frozen reality of the upcoming winter, illuminating the beauty of Slupsk in its unique, cold charm. Weather in November »Weather in December
The highlight of December's weather in Slupsk is the return of winter with increased snowfall and an average temperature dropping to 3.2°C (37.8°F). The city gets draped in snow, offering a white canvas that typifies the waning days of the year. Weather in December »Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Slupsk, Poland, witnesses the coldest weather in January, with temperatures averaging a high of 1.2°C (34.2°F) and a low of -1.7°C (28.9°F).
The months with the highest humidity in Slupsk, Poland, are January, February and December, with an average relative humidity of 86%.
Throughout the year, in Slupsk, Poland, there are 129.2 rainfall days, and 353mm (13.9") of precipitation is accumulated.
Months with snowfall in Slupsk are January through May, November and December.
January is the month with the most snowfall in Slupsk, Poland. Snow falls for 10.2 days and accumulates 72mm (2.83") of snow.
Throughout the year, in Slupsk, Poland, there are 33.3 snowfall days, and 196mm (7.72") of snow is accumulated.
January and December, with an average of 2.8h of sunshine, are months with the least sunshine in Slupsk.
With an average relative humidity of 70%, April is the least humid month in Slupsk.
The month with the least rainfall is April, when the rain falls for 8 days and typically collects 12mm (0.47") of precipitation.
June through October are months without snowfall.
The month with the longest days in Slupsk, Poland, is June, with an average of 17h and 12min of daylight.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
July is the month with the most rainfall in Slupsk, Poland. Rain falls for 13.6 days and accumulates 38mm (1.5") of precipitation.
August, noted for its average high-temperature of 22.8°C (73°F) and an average low-temperature of 14.7°C (58.5°F), is considered the warmest month in Slupsk.
August has the most sunshine of the year, with an average of 9.9h of sunshine.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Slupsk, Poland, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
November and December, with an average maximum UV index of 1, are months with the lowest UV index in Slupsk.
The month with the shortest days in Slupsk is December, with an average of 7h and 24min of daylight.
Average temperature
Slupsk, Poland
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (1.2°C).
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-1.7°C).
Average pressure
Slupsk, Poland
- Average pressure in January:
1014.1mbar - Average pressure in February:
1014.2mbar - Average pressure in March:
1014.6mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1015.7mbar - Average pressure in June:
1014.4mbar
- Average pressure in July:
1013.3mbar - Average pressure in August:
1015.1mbar - Average pressure in September:
1016.2mbar - Average pressure in October:
1016.3mbar - Average pressure in November:
1013.2mbar - Average pressure in December:
1012.9mbar
The month with the highest atmospheric pressure is October (1016.3mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed
Slupsk, Poland
- Average wind speed in January:
18.7km/h - Average wind speed in February:
17.7km/h - Average wind speed in March:
16.8km/h - Average wind speed in April:
15.9km/h - Average wind speed in May:
14.9km/h - Average wind speed in June:
14.3km/h
- Average wind speed in July:
14.5km/h - Average wind speed in August:
13.9km/h - Average wind speed in September:
15.5km/h - Average wind speed in October:
16.7km/h - Average wind speed in November:
17km/h - Average wind speed in December:
19.4km/h
The windiest month (with the highest average wind speed) is December (19.4km/h).
The calmest month (with the lowest average wind speed) is August (13.9km/h).
Average humidity
Slupsk, Poland
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is April (70%).
Average rainfall
Slupsk, Poland
The wettest month (with the highest rainfall) is July (38mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days
Slupsk, Poland
- Average rainfall days in January:
9.6 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
8 days - Average rainfall days in May:
10.1 days - Average rainfall days in June:
10.2 days
- Average rainfall days in July:
13.6 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
11.9 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is April (8 days).
Average snowfall
Slupsk, Poland
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days
Slupsk, Poland
- Average snowfall days in January:
10.2 days - Average snowfall days in February:
9 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
1.5 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
6.9 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Slupsk, Poland
- Average daylight in January:
8h and 0min - Average daylight in February:
9h and 48min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 6min - Average daylight in May:
16h and 6min - Average daylight in June:
17h and 12min
- Average daylight in July:
16h and 36min - Average daylight in August:
14h and 54min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 30min - Average daylight in November:
8h and 30min - Average daylight in December:
7h and 24min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
3h and 12min - Average sunshine in March:
5h and 18min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
9h and 12min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 6min - Average sunshine in October:
4h and 42min - Average sunshine in November:
3h and 42min - Average sunshine in December:
2h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 2h and 48min).
Average sunshine days
Slupsk, Poland
- Average sunshine days in January:
12.2 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
19.8 days - Average sunshine days in May:
19.8 days - Average sunshine days in June:
18.6 days
- Average sunshine days in July:
16.2 days - Average sunshine days in August:
17.6 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
15.7 days - Average sunshine days in December:
12 days
The months with the most sunshine days are April and May (19.8 days).
The month with the least sunshine days is December (12 days).
Average UV index
Slupsk, Poland
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover
Slupsk, Poland
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Slupsk, Poland
The months with the highest visibility are April, June, August, September and October (10km).
The months with the lowest visibility are January, February, March, May, July, November and December (9km).
