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May Weather in McMinnville, United States

Last updated: June 24, 2025

In May, the average temperature in McMinnville, United States is a pleasant 21°C (70°F). However, be prepared for a range; temperatures can dip as low as 1°C (34°F) and soar up to 33°C (92°F). You'll also want to grab your umbrella, as the area experiences about 117 mm (4.6 in) of precipitation over 12 days, accompanied by an average humidity level of 83%. Plan accordingly to enjoy all that this destination has to offer!

May Temperature in McMinnville

In May, in McMinnville, the average temperature is 21°C (70°F). Maximums can reach 33°C (92°F) and minimums can be as low as 1°C (34°F). This varied weather makes McMinnville an ideal destination for travelers looking to experience a range of temperatures and enjoy diverse outdoor activities.

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

The chart illustrates May temperature patterns in McMinnville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McMinnville, May typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (92°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec414653596975797773634946
Data source: Temperature data for McMinnville 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 McMinnville

In McMinnville in May, the total precipitation amount is 117 mm (4.6 in), occurring over a span of 12 days.

May Precipitation Trends in McMinnville

The chart displays monthly precipitation patterns in McMinnville, 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 McMinnville, May typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec10517616414211711110810210711773140
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in McMinnville

In McMinnville in May humidity is 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

May Average Humidity in McMinnville

This chart illustrates the average monthly humidity levels in McMinnville, 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 McMinnville is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in McMinnville

In McMinnville in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in McMinnville.

Maximum UV Index Levels in McMinnville for May

The chart shows the monthly maximum UV Index (UVI) for McMinnville 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 McMinnville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109753
Data source: McMinnville 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 McMinnville Compares to Other Months

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

This table compares monthly weather conditions in McMinnville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)105 mm (4.1 inches)87%moderate
February Weather8°C (47°F)176 mm (6.9 inches)87%high
March Weather12°C (53°F)164 mm (6.5 inches)85%very high
April Weather15°C (59°F)142 mm (5.6 inches)82%very high
May Weather21°C (70°F)117 mm (4.6 inches)83%extreme
June Weather24°C (76°F)111 mm (4.4 inches)82%extreme
July Weather26°C (79°F)108 mm (4.3 inches)78%extreme
August Weather25°C (78°F)102 mm (4.0 inches)67%very high
September Weather23°C (73°F)107 mm (4.2 inches)64%very high
October Weather17°C (64°F)117 mm (4.6 inches)74%high
November Weather9°C (49°F)73 mm (2.9 inches)87%moderate
December Weather8°C (46°F)140 mm (5.5 inches)88%moderate

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