Climate and monthly weather forecastRumia, Poland
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Rumia, Poland, with an average temperature fluctuating between -1.7°C (28.9°F) and 0.8°C (33.4°F). Rumia notes the coldest temperatures in January, with a high average of 0.8°C (33.4°F) and a low of -1.7°C (28.9°F). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Rumia, Poland, with an average temperature fluctuating between -1.3°C (29.7°F) and 1.7°C (35.1°F). The dawn of February sees an average high-temperature of a still wintry 1.7°C (35.1°F), subtly contrasting with January's 0.8°C (33.4°F). Weather in February »Weather in March
March, the first month of the spring in Rumia, is also an icy month, with an average temperature ranging between max 5.3°C (41.5°F) and min 0.7°C (33.3°F). A soft shift in the average high-temperature is noticeable in March, transitioning from an icy 1.7°C (35.1°F) in February to a still cold 5.3°C (41.5°F). Weather in March »Weather in April
April in Rumia, Poland, is a fresh spring month, with temperature in the range of an average high of 10.8°C (51.4°F) and an average low of 4°C (39.2°F). With the onset of April, the average high-temperature slightly shifts from March's cold 5.3°C (41.5°F) to a cool 10.8°C (51.4°F). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Rumia, Poland, with an average temperature ranging between min 7.8°C (46°F) and max 15.1°C (59.2°F). May's arrival sees a mild rise in the average high-temperature, transitioning from April's fresh 10.8°C (51.4°F) to a refreshing 15.1°C (59.2°F). Weather in May »Weather in June
June, the first month of the summer in Rumia, is a refreshing month, with an average temperature varying between 11.9°C (53.4°F) and 19.1°C (66.4°F). The start of June brings a subtle shift in the average high-temperature, edging up from May's refreshing 15.1°C (59.2°F) to a comfortable 19.1°C (66.4°F). Weather in June »Weather in July
July in Rumia, Poland, is an agreeable summer month, with an average temperature varying between 21.3°C (70.3°F) and 14.3°C (57.7°F). July's average high-temperature stands at a pleasant 21.3°C (70.3°F), showing little deviation from June's 19.1°C (66.4°F). Weather in July »Weather in August
The last month of the summer, August, is also an agreeable month in Rumia, Poland, with temperature in the range of an average high of 21.7°C (71.1°F) and an average low of 14.8°C (58.6°F). In Rumia, August is the month with the highest recorded average temperatures, measuring a high of 21.7°C (71.1°F) and a low of 14.8°C (58.6°F). Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Rumia, Poland, with an average temperature ranging between min 12°C (53.6°F) and max 17.4°C (63.3°F). September signals a slight drop in average high-temperature, sliding from August's pleasant 21.7°C (71.1°F) to a comfortable 17.4°C (63.3°F). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Rumia, Poland, with temperature in the range of an average high of 11.6°C (52.9°F) and an average low of 7.4°C (45.3°F). The shift from September to October involves a decrease in the average high-temperature, from a refreshing 17.4°C (63.3°F) to a cool 11.6°C (52.9°F). Weather in October »Weather in November
November, the last month of the autumn in Rumia, is another chilly month, with an average temperature varying between 7°C (44.6°F) and 3.9°C (39°F). The shift from October to November includes a small decrease in the average high-temperature, from a cool 11.6°C (52.9°F) to a chilly 7°C (44.6°F). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Rumia, Poland, with an average temperature fluctuating between 0.3°C (32.5°F) and 2.8°C (37°F). The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's chilly 7°C (44.6°F) to a cold 2.8°C (37°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rumia, Poland
The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (0.8°C).
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-1.7°C).
Average pressure
Rumia, Poland
- Average pressure in January:
1014.2mbar - Average pressure in February:
1014.3mbar - Average pressure in March:
1014.5mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1015.6mbar - Average pressure in June:
1014.3mbar
- Average pressure in July:
1013.1mbar - Average pressure in August:
1015.2mbar - Average pressure in September:
1016.2mbar - Average pressure in October:
1016.5mbar - Average pressure in November:
1013.6mbar - Average pressure in December:
1012.9mbar
The month with the highest atmospheric pressure is October (1016.5mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed
Rumia, Poland
- Average wind speed in January:
18.6km/h - Average wind speed in February:
17.1km/h - Average wind speed in March:
16.3km/h - Average wind speed in April:
14.7km/h - Average wind speed in May:
13.9km/h - Average wind speed in June:
13.5km/h
- Average wind speed in July:
14km/h - Average wind speed in August:
13.5km/h - Average wind speed in September:
15.6km/h - Average wind speed in October:
17km/h - Average wind speed in November:
16.9km/h - Average wind speed in December:
19.2km/h
The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest months (with the lowest average wind speed) are June and August (13.5km/h).
Average humidity
Rumia, Poland
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Rumia, Poland
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days
Rumia, Poland
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
9.7 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
13.6 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
12.9 days - Average rainfall days in December:
12.9 days
The month with the highest number of rainy days is July (17.5 days).
The months with the least rainy days are January and February (8.2 days).
Average snowfall
Rumia, Poland
The month with the highest snowfall is January (64mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Rumia, Poland
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
9.8 days - Average snowfall days in March:
5.6 days - Average snowfall days in April:
2 days - Average snowfall days in May:
0.3 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:
0.2 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
7.5 days
The months with the highest number of snowfall days are January and February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rumia, Poland
- Average daylight in January:
8h and 0min - Average daylight in February:
9h and 42min - 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 54min - Average sunshine in February:
3h and 18min - Average sunshine in March:
5h and 18min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 18min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
9h and 12min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 6min - Average sunshine in October:
5h and 0min - Average sunshine in November:
3h and 36min - Average sunshine in December:
3h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days
Rumia, Poland
- Average sunshine days in January:
13.1 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
17.1 days - Average sunshine days in May:
15 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
13.6 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
12.8 days - Average sunshine days in December:
10.8 days
The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is December (10.8 days).
Average UV index
Rumia, Poland
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Rumia, Poland
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Rumia, Poland
The months with the highest visibility are April, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, May, November and December (9km).





