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May Weather in Cottage Grove, United States

Last updated: June 24, 2025

In May, the average temperature in Cottage Grove, United States is a mild 13°C (56°F). Prepare for variable weather, with a minimum of 2°C (35°F) and a pleasant maximum reaching up to 30°C (86°F). Expect about 72 mm (2.8 in) of precipitation spread over 10 days, contributing to an average humidity of 83%. Be ready for an interesting mix of conditions!

May Temperature in Cottage Grove

In May in Cottage Grove, the average temperature is 13°C (56°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 2°C (35°F). Be prepared for a range of temperatures, making it ideal for layering in your travel outfit.

May Weather in Cottage Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Cottage Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cottage Grove, May typically has an average temperature of 13°C (56°F), with highs reaching up to 30°C (86°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec414044495562686963524540
Data source: Temperature data for Cottage Grove 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 Cottage Grove

In Cottage Grove in May, the total precipitation amount is 72 mm (2.8 in) spread over a duration of 10 days.

May Precipitation Trends in Cottage Grove

The chart displays monthly precipitation patterns in Cottage Grove, 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 Cottage Grove, May typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec16220915615272512788102144177
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cottage Grove

In Cottage Grove in May humidity is 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

May Average Humidity in Cottage Grove

This chart illustrates the average monthly humidity levels in Cottage Grove, 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 Cottage Grove is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Cottage Grove

In Cottage Grove in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Cottage Grove.

Maximum UV Index Levels in Cottage Grove for May

The chart shows the monthly maximum UV Index (UVI) for Cottage Grove 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 Cottage Grove typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246710101098532
Data source: Cottage Grove 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 Cottage Grove Compares to Other Months

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

This table compares monthly weather conditions in Cottage Grove, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)162 mm (6.4 inches)84%low
February Weather5°C (40°F)209 mm (8.2 inches)85%moderate
March Weather7°C (44°F)156 mm (6.1 inches)86%high
April Weather10°C (49°F)152 mm (6.0 inches)83%high
May Weather13°C (56°F)72 mm (2.8 inches)83%very high
June Weather17°C (62°F)51 mm (2.0 inches)83%very high
July Weather20°C (69°F)2 mm (0.1 inches)78%very high
August Weather21°C (69°F)7 mm (0.3 inches)67%very high
September Weather17°C (63°F)88 mm (3.4 inches)66%very high
October Weather11°C (52°F)102 mm (4.0 inches)77%moderate
November Weather7°C (45°F)144 mm (5.7 inches)87%moderate
December Weather5°C (40°F)177 mm (7.0 inches)87%low

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