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May Weather in Grajewo, Poland

Last updated: August 27, 2025

In May, the average temperature in Grajewo, Poland is a mild 13°C (55°F). Expect a range that can dip to a minimum of -1°C (30°F) and soar to a maximum of 29°C (85°F). With an average precipitation of 75 mm (2.9 in) over approximately 12 days, you might want to keep an umbrella handy. The air is moderately humid, with an average humidity level of 58%.

May Temperature in Grajewo

In May in Grajewo, the average temperature is 13°C (55°F). Maximum temperatures can reach 29°C (85°F), while the minimum can drop as low as -1°C (30°F). This varied climate offers travelers the chance to enjoy both warm and cool experiences, making it essential to pack accordingly.

May Weather in Grajewo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Grajewo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grajewo, May typically has an average temperature of 13°C (55°F), with highs reaching up to 29°C (85°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec293036455565666557484033
Data source: Temperature data for Grajewo 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.

May Precipitation in Grajewo

In Grajewo in May, the total precipitation amount is 75 mm (2.9 in) over the course of 12 days.

May Precipitation Trends in Grajewo

The chart displays monthly precipitation patterns in Grajewo, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Grajewo, May typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec423842407562988773643856
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Grajewo

In Grajewo in May humidity is 58%. With an average temperature of 13°C (55°F), this humidity feels like a cool, crisp day that refreshes your senses while you explore, making it perfect for leisurely walks and sightseeing without feeling overheated.

May Average Humidity in Grajewo

This chart illustrates the average monthly humidity levels in Grajewo, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Grajewo is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%76%58%56%59%60%71%86%90%93%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Grajewo

In Grajewo in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Grajewo, you can refer to this Hourly UV Index in Grajewo.

Maximum UV Index Levels in Grajewo for May

The chart shows the monthly maximum UV Index (UVI) for Grajewo in May, 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 May, the maximum UV index in Grajewo typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567765321
Data source: Grajewo May 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 May Weather in Grajewo Compares to Other Months

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

This table compares monthly weather conditions in Grajewo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)42 mm (1.7 inches)92%low
February Weather-1°C (31°F)38 mm (1.5 inches)90%low
March Weather2°C (37°F)42 mm (1.7 inches)87%moderate
April Weather7°C (46°F)40 mm (1.6 inches)76%moderate
May Weather13°C (55°F)75 mm (2.9 inches)58%high
June Weather18°C (65°F)62 mm (2.4 inches)56%high
July Weather19°C (66°F)98 mm (3.8 inches)59%high
August Weather18°C (65°F)86 mm (3.4 inches)60%high
September Weather14°C (57°F)73 mm (2.9 inches)71%moderate
October Weather9°C (49°F)64 mm (2.5 inches)86%moderate
November Weather5°C (41°F)38 mm (1.5 inches)90%low
December Weather0°C (33°F)56 mm (2.2 inches)93%low

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