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May Weather in Upper Lake, United States

Last updated: June 24, 2025

In Upper Lake, United States, the average temperature in May hovers around 15°C (59°F). Temperatures can vary significantly, with a minimum of -1°C (30°F) and a maximum reaching 32°C (89°F). Expect 47 mm (1.9 in) of precipitation spread over 5 days, and enjoy the moderate average humidity of 80%.

May Temperature in Upper Lake

In May in Upper Lake, the average temperature is 15°C (59°F). Maximums can reach 32°C (89°F), and minimums can drop as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

May Weather in Upper Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Upper Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Upper Lake, May typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (89°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec444547535969767568595044
Data source: Temperature data for Upper Lake 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 Upper Lake

In Upper Lake in May, the precipitation amount is 47 mm (1.9 in) spread over a duration of 5 days.

May Precipitation Trends in Upper Lake

The chart displays monthly precipitation patterns in Upper Lake, 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 Upper Lake, May typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec164167119654740265280110
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Upper Lake

In Upper Lake in May, humidity is 80%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making outdoor activities slightly uncomfortable and necessitating frequent breaks to stay hydrated.

May Average Humidity in Upper Lake

This chart illustrates the average monthly humidity levels in Upper Lake, 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 Upper Lake is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%80%76%70%66%68%72%84%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Upper Lake

In Upper Lake 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 Upper Lake.

Maximum UV Index Levels in Upper Lake for May

The chart shows the monthly maximum UV Index (UVI) for Upper Lake 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 Upper Lake typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578111111109743
Data source: Upper Lake 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 Upper Lake Compares to Other Months

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

This table compares monthly weather conditions in Upper Lake, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)164 mm (6.5 inches)86%moderate
February Weather7°C (46°F)167 mm (6.6 inches)84%moderate
March Weather8°C (47°F)119 mm (4.7 inches)83%high
April Weather12°C (53°F)65 mm (2.6 inches)80%very high
May Weather15°C (59°F)47 mm (1.9 inches)80%extreme
June Weather20°C (69°F)4 mm (0.1 inches)76%extreme
July Weather24°C (76°F)0 mm (0.0 inches)70%extreme
August Weather24°C (75°F)2 mm (0.1 inches)66%very high
September Weather20°C (69°F)6 mm (0.2 inches)68%very high
October Weather15°C (60°F)52 mm (2.0 inches)72%high
November Weather10°C (50°F)80 mm (3.2 inches)84%moderate
December Weather7°C (44°F)110 mm (4.3 inches)84%moderate

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