July Weather in Sejny, Poland

Last updated: August 27, 2025

In July, the average temperature in Sejny, Poland is a pleasant 19°C (66°F). Visitors can expect a range from a cool 8°C (46°F) to a warm 31°C (89°F). During this time, 93 mm (3.7 in) of precipitation falls over approximately 14 days, with an average humidity of 60%. Perfect for those who appreciate a mild climate!

July Temperature in Sejny

In July in Sejny, the average temperature is 19°C (66°F). Maximums can reach 31°C (89°F), while minimums can drop to as low as 8°C (46°F). This makes it a great time for travelers to enjoy a mix of warm days and cooler evenings, perfect for exploring the area or relaxing outdoors.

July Weather in Sejny: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Sejny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sejny, July typically has an average temperature of 19°C (66°F), with highs reaching up to 31°C (89°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec293036455565666557484032
Data source: Temperature data for Sejny generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Sejny

In Sejny, in July, the precipitation amount is 93 mm (3.7 in) over the course of 14 days.

July Precipitation Trends in Sejny

The chart displays monthly precipitation patterns in Sejny, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Sejny, July typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec413440457051938770613954
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Sejny

In Sejny in July, humidity is 60%. With an average temperature of 19°C (66°F), this humidity feels like a warm, slightly sticky embrace, making traveling enjoyable yet necessitating occasional breaks to stay refreshed.

July Average Humidity in Sejny

This chart illustrates the average monthly humidity levels in Sejny, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Sejny is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%77%59%59%60%60%72%89%91%93%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Sejny

In Sejny in July, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Sejny.

Maximum UV Index Levels in Sejny for July

The chart shows the monthly maximum UV Index (UVI) for Sejny in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Sejny typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568765321
Data source: Sejny July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How July Weather in Sejny Compares to Other Months

Weather in Sejny varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Sejny, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sejny, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)41 mm (1.6 inches)93%low
February Weather-1°C (30°F)34 mm (1.3 inches)90%low
March Weather2°C (36°F)40 mm (1.6 inches)88%moderate
April Weather7°C (45°F)45 mm (1.8 inches)77%moderate
May Weather13°C (55°F)70 mm (2.8 inches)59%high
June Weather18°C (65°F)51 mm (2.0 inches)59%very high
July Weather19°C (66°F)93 mm (3.7 inches)60%high
August Weather18°C (65°F)87 mm (3.4 inches)60%high
September Weather14°C (57°F)70 mm (2.7 inches)72%moderate
October Weather9°C (48°F)61 mm (2.4 inches)88%moderate
November Weather4°C (40°F)39 mm (1.5 inches)91%low
December Weather0°C (32°F)53 mm (2.1 inches)93%low

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