Weather in July
Temperature
Gdynia's warmest weather arrives in July, when temperatures average a high of 22.7°C (72.9°F) and a low of 14.8°C (58.6°F).Humidity
The average relative humidity in July is 71%.Rainfall
In Gdynia, Poland, in July, it is raining for 16 days, with typically 73mm (2.87") of accumulated precipitation. Throughout the year, there are 183 rainfall days, and 697mm (27.44") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Gdynia.Sea temperature
In Gdynia, in July, the average water temperature is 18.4°C (65.1°F).Note: Most people do not find pleasure in swimming when the water temperature is 18.4°C (65.1°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Gdynia, the average length of the day in July is 16h and 38min.On the first day of July, sunrise is at 04:15 and sunset at 21:24. On the last day of the month, sunrise is at 04:56 and sunset at 20:48 CEST.
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Data Sources | Weather Forecasting & Climate
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Average temperature in July
Gdynia, Poland
- Average high temperature in July: 22.7°C
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).
- Average low temperature in July: 14.8°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 in July
Gdynia, Poland
- Average humidity in July: 71%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is May (63%).
Average rainfall in July
Gdynia, Poland
- Average rainfall in July: 72.5mm
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 in July
Gdynia, Poland
- Average rainfall days in July: 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 in July
Gdynia, Poland
- Average snowfall days in July: 0 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 in July
Gdynia, Poland
- Average sea temperature in July: 18.4°C
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 in July
Gdynia, Poland
- Average daylight in July: 16h and 4min
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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