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Contents
- The climate of Gdynia
- The best time to visit Gdynia
- The worst time to visit Gdynia
- Spring weather in Gdynia
- Summer weather in Gdynia
- Autumn weather in Gdynia
- Winter weather in Gdynia
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average sea temperature
- Average daylight
The climate of Gdynia
Gdynia, situated Along the coast of the Baltic Sea in northern Poland, boasts a Cfb climate, known as the Marine west coast, characteristic of a warm summer according to the Köppen climate classification. This oceanic climate is influenced by the Baltic Sea's proximity, with moderate temperatures throughout the year and no dry season.
Average high temperatures range from 2°C (35.6°F) in the winter months to as high as 22.7°C (72.9°F) in the summer, with the warmest month typically being July. In contrast, the lowest average temperatures fluctuate between -3.2°C (26.2°F) in the winter to 14.8°C (58.6°F) in the summer, with the coldest month usually being January. Relative humidity hovers above 60% across the year, reaching the height in December at 87% and the lowest mark in May at 63%.
Precipitation is evenly spread across the year, with rainfall amounts ranging from 37mm (1.46") in April to a maximum of 75mm (2.95") in August. The town sees rainfall on average 14 to 19 days each month, with the highest frequency occurring in November. Snowfall is primarily limited to the winter season, peaking at eleven days in January. Alongside these, daylight hours range from a low of 7.4 hours in December to a high of 17.2 hours in June.
One unique feature of the Gdynia climate is the clear pattern in sea temperatures. These rise from a low average of 2.2°C (36°F) in March to a peak of 19.1°C (66.4°F) in August before declining back to lower values.
Average high temperatures range from 2°C (35.6°F) in the winter months to as high as 22.7°C (72.9°F) in the summer, with the warmest month typically being July. In contrast, the lowest average temperatures fluctuate between -3.2°C (26.2°F) in the winter to 14.8°C (58.6°F) in the summer, with the coldest month usually being January. Relative humidity hovers above 60% across the year, reaching the height in December at 87% and the lowest mark in May at 63%.
Precipitation is evenly spread across the year, with rainfall amounts ranging from 37mm (1.46") in April to a maximum of 75mm (2.95") in August. The town sees rainfall on average 14 to 19 days each month, with the highest frequency occurring in November. Snowfall is primarily limited to the winter season, peaking at eleven days in January. Alongside these, daylight hours range from a low of 7.4 hours in December to a high of 17.2 hours in June.
One unique feature of the Gdynia climate is the clear pattern in sea temperatures. These rise from a low average of 2.2°C (36°F) in March to a peak of 19.1°C (66.4°F) in August before declining back to lower values.
The best time to visit Gdynia
Considering Gdynia's climate, the Summer months from June to August are widely considered the best time to visit. During this period, average high temperatures range from 18.4°C (65.1°F) to 22.7°C (72.9°F), and rainfall is still moderate, although these months do witness the highest average rainfall amounts of 60mm (2.36") to 75mm (2.95"). Yet, the town is lively, with ample daylight lasting around 16.6 to 17.2 hours, adding more hours for sightseeing. Furthermore, the Baltic Sea's temperature rises to an inviting range of 14.9°C (58.8°F) to 19.1°C (66.4°F), making it perfect for bathing and other water activities.
The worst time to visit Gdynia
The winter months of December to February mark the most challenging time to visit Gdynia. During this time, the cold is intense, with average high temperatures as low as 2°C (35.6°F) to 4.3°C (39.7°F) and lows plunging to -3.2°C (26.2°F) to 0.6°C (33.1°F). December also has the least daylight with just 7.4 hours. Additionally, these months record high snowfall days, with January reaching up to eleven days of snowfall. Sea temperatures also drop to a frigid 2.7°C (36.9°F) to 5.9°C (42.6°F), making it unsuitable for swimming.
Spring weather in Gdynia
In Gdynia, Spring heralds a moderate change in the weather from March to May. During these months, the average high temperature progressively warms from 6.2°C (43.2°F) in March to 16.8°C (62.2°F) in May. Similarly, the low temperature ranges from -1.7°C (28.9°F) to 7.2°C (45°F). The rainfall also increases from 48mm (1.89") in March to 60mm (2.36") in May, and the average number of rainy days rises from 13 to 16 days. The sea temperature remains relatively low in Spring, warming from 2.2°C (36°F) in March to 10°C (50°F) in May. Daylight hours also increase steadily from 11.9 hours in March to 16.1 hours in May, signaling the arrival of longer and sunnier days.
Summer weather in Gdynia
The summer season in Gdynia, between June and August, is generally warm and humid. Average high temperatures rise from 20.4°C (68.7°F) in June to 22.7°C (72.9°F) in July and then slightly diminish to 22.5°C (72.5°F) in August. The low temperature is from 11.4°C (52.5°F) to 14.8°C (58.6°F). Rainfall peaks in August with an average of 75mm (2.95"), with 16 to 17 days of precipitation per month. In contrast, sea temperatures climb to their warmest, from 14.9°C (58.8°F) in June up to 19.1°C (66.4°F) in August. Accompanied by long daylight hours, ranging from 16.6 hours to 17.2 hours, the Summer season is optimal for outdoor activities and sea adventures.
Autumn weather in Gdynia
Autumn in Gdynia, from September to November, is characterized by cooling temperatures and increased rainfall. The average high temperature drops from 18.4°C (65.1°F) in September to 7.6°C (45.7°F) in November. Similarly, the low temperature decreases from 11.8°C (53.2°F) to 3.7°C (38.7°F). Rainfall averages from 71mm (2.8") in September to 61mm (2.4") in November, with 14 to 19 days of rainfall. The daylight hours start to decrease from 12.7 hours in September to 8.5 hours in November. Meanwhile, the sea temperature cools from 17.3°C (63.1°F) in September down to 9.7°C (49.5°F) in November.
Winter weather in Gdynia
Winter in Gdynia spans from December to February and can be very cold and frosty. The average high temperature dips from 4.3°C (39.7°F) in December to 2°C (35.6°F) in February, while the average low temperature ranges from 0.6°C (33.1°F) to -3.2°C (26.2°F). Snow is typical in these months, with up to 11 days of snowfall in January. Rainfall levels fluctuate between 58mm (2.28") to 47mm (1.85"), with 15 to 16 rainy days. The sea temperature further drops to a chilly level of 5.9°C (42.6°F) in December and 3.3°C (37.9°F) in February. Daylight is limited, shrinking from 7.4 hours in December to 8 hours in February, providing limited daylight hours for outdoor activities.
Weather in January
January in Gdynia, Poland, exhibits a sharp, crisp winter climate, marked by a combination of low temperatures and snowfall. This month is characterized by the lowest average high temperature of 2°C (35.6°F) and the coldest average low temperature of -3.2°C (26.2°F). Weather in January »
Weather in February
As Gdynia transitions from January to February, a subtle rise in temperatures is detectable. The town experiences an increment in average high temperature to 2.8°C (37°F), as well as in mean low temperature to -2.1°C (28.2°F). Weather in February »
Weather in March
As spring draws nearer in March, the winter gradually relinquishes its grip on Gdynia. One significant shift away from the winter trend is evident in 6.2°C (43.2°F) average temperature highs. Outdoor endeavors start to ditch ice skates for early spring pursuits, taking advantage of the climbing mercury. Weather in March »
Weather in April
April brings notable transition in Gdynia’s weather, signaling the departure of winter and the advent of spring. The frequency of snowfall drops to a mere two days, with temperature highs and lows reaching 11.6°C (52.9°F) and 3.7°C (38.7°F) respectively. Weather in April »
Weather in May
Gdynia celebrates the full arrival of spring during May, observed in the vivacious display of blooming landscapes. The mean sea temperature jumps to 10°C (50°F), a fair leap from April’s, introducing milder sea breezes. With no snowfall throughout May, the emphasis shifts to rainfall, providing the city's greenery the nourishment it requires to flourish. Weather in May »
Weather in June
June marks the onset of summer in Gdynia, welcoming visitors with warmer temperatures and increased humidity. The town experiences its most extended daylight hours of 17.2h, providing ample time to immerse in the city's summer festivities. Weather in June »
Weather in July
July, as the heart of the summer in Gdynia, attracts both locals and tourists to its array of outdoor activities and events. Hits a temperature peak with highs soaring to an average of 22.7°C (72.9°F), it records the hottest month. Weather in July »
Weather in August
Approaching the end of summer, August in Gdynia continues its warmth, with only a slight decrease from July's temperature highs. This month witnesses the year's warmest mean sea temperature of 19.1°C (66.4°F), maximizing beach and water activities. Weather in August »
Weather in September
Entering autumn, September witnesses a marked shift in Gdynia's weather. Significant drops in temperature are evident, with highs averaging 18.4°C (65.1°F). However, the sea still invites with its 17.3°C (63.1°F) mean temperature, permitting extended seaside excursions. Weather in September »
Weather in October
Progressing further into autumn, October presents a pronounced change in Gdynia's climate. The town's trees start to put on their autumnal hues, painting a canvas of vibrant yellows and oranges against the cooler backdrop. Even though changes in the landscape are compelling, the town remains full of activity, with autumn events peppering the calendar. Weather in October »
Weather in November
November conveys the arrival of late fall in Gdynia, heralding the pre-winter phase. The average high temperatures dip to 7.6°C (45.7°F), complimented by a low of 3.7°C (38.7°F). Gdynia’s landscape shows a stark contrast to the colorful autumnal palette, with bare trees and grey skies outlining the impending winter. Weather in November »
Weather in December
December greets Gdynia with the full force of winter, as the mercury drops further, recording an average high of 4.3°C (39.7°F). Snowfall reappears, gracing the city with a white mantle on approximately seven days. The winter chill, while biting, brings an air of festivity to the town, as preparations for the holiday season get underway. Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Gdynia?
In Gdynia, January registers the lowest temperatures, averaging 2°C (35.6°F) at the peak and -3.2°C (26.2°F) at the lowest.
How much does it rain in Gdynia?
In Gdynia, Poland, during the entire year, the rain falls for 183 days and collects up to 697mm (27.44") of precipitation.
When does it snow in Gdynia?
January through April, October through December are months with snowfall in Gdynia.
How many days does it snow in Gdynia?
Throughout the year, there are 50 snowfall days.
When does it snow the most in Gdynia?
The month with the most snowfall days in Gdynia, Poland, is February, when snow falls for 13 days.
When is the sea coldest in Gdynia?
March is the month with the coldest seawater, with an average sea temperature of 2.2°C (36°F).
What is the driest month in Gdynia?
April is the month with the least rainfall. Rain falls for 13 days and accumulates 37mm (1.46") of precipitation.
What is the least humid month in Gdynia?
May is the least humid month in Gdynia, Poland, with an average relative humidity of 63%.
When it does not snow in Gdynia?
May through September are months without snowfall in Gdynia, Poland.
When are the longest days in Gdynia?
The month with the longest days is June, with an average of 17h and 12min of daylight.
What are the warmest months in Gdynia?
July, recording an average high temperature of 22.7°C (72.9°F) and a low temperature of 14.8°C (58.6°F), is Gdynia's warmest month.
What is the wettest month in Gdynia?
August is the month with the most rainfall in Gdynia. Rain falls for 17 days and accumulates 75mm (2.95") of precipitation.
What month is the sea warmest in Gdynia?
August is the month with the warmest seawater, with an average sea temperature of 19.1°C (66.4°F).
When is Daylight Saving Time (DST) in Gdynia?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Gdynia, 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.
What is the most humid month in Gdynia?
The most humid month in Gdynia, Poland, is December, with an average relative humidity of 87%.
What is the month with the shortest days in Gdynia?
With an average of 7h and 24min of daylight, December has the shortest days of the year.
Average temperature
Gdynia, Poland
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (2°C).
The month with the highest average low temperature is July (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).
Average humidity
Gdynia, Poland
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is May (63%).
Average rainfall
Gdynia, Poland
- Average rainfall in January:
46.6mm - Average rainfall in February:
40.6mm - Average rainfall in March:
47.7mm - Average rainfall in April:
36.6mm - Average rainfall in May:
60.1mm - Average rainfall in June:
59.6mm
- Average rainfall in July:
72.5mm - Average rainfall in August:
74.9mm - Average rainfall in September:
71.2mm - Average rainfall in October:
67.8mm - Average rainfall in November:
61.2mm - Average rainfall in December:
57.8mm
The wettest month (with the highest rainfall) is August (74.9mm).
The driest month (with the least rainfall) is April (36.6mm).
Average rainfall days
Gdynia, Poland
- Average rainfall days in January:
15 days - Average rainfall days in February:
11 days - Average rainfall days in March:
13 days - Average rainfall days in April:
13 days - Average rainfall days in May:
16 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
16 days - Average rainfall days in August:
17 days - Average rainfall days in September:
14 days - Average rainfall days in October:
18 days - Average rainfall days in November:
19 days - Average rainfall days in December:
16 days
The month with the highest number of rainy days is November (19 days).
The month with the least rainy days is February (11 days).
Average snowfall days
Gdynia, Poland
- Average snowfall days in January:
11 days - Average snowfall days in February:
13 days - Average snowfall days in March:
10 days - Average snowfall days in April:
2 days - Average snowfall days in May:
0 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:
1 days - Average snowfall days in November:
6 days - Average snowfall days in December:
7 days
The month with the highest number of snowfall days is February (13 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature
Gdynia, Poland
The best month for swimming (with the highest average sea temperature) is August (19.1°C).
The coldest month (with the lowest average sea temperature) is March (2.2°C).
Average daylight
Gdynia, Poland
- Average daylight in January:
8h and 0min - Average daylight in February:
9h and 4min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 1min - Average daylight in May:
16h and 1min - Average daylight in June:
17h and 1min
- Average daylight in July:
16h and 4min - Average daylight in August:
14h and 5min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 3min - Average daylight in November:
8h and 3min - Average daylight in December:
7h and 2min
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).
Gdynia, Poland
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