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May Weather in Geyserville, United States

Last updated: June 24, 2025

In Geyserville, United States, the average temperature in May is a pleasant 16°C (61°F). Expect a range that can dip to a chilly 3°C (37°F) and soar to a warm 35°C (95°F). During this month, you can anticipate 37 mm (1.5 in) of precipitation spread over 3 days, with an average humidity of 80%.

May Temperature in Geyserville

In May in Geyserville, the average temperature is 16°C (61°F). Maximum temperatures can reach up to 35°C (95°F), while minimum temperatures can drop as low as 3°C (37°F). This diverse temperature range makes Geyserville an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates May temperature patterns in Geyserville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Geyserville, May typically has an average temperature of 16°C (61°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec474950566169737369625247
Data source: Temperature data for Geyserville 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 Geyserville

In Geyserville in May, the precipitation amount is 37 mm (1.5 in) over the course of 3 days.

May Precipitation Trends in Geyserville

The chart displays monthly precipitation patterns in Geyserville, 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 Geyserville, May typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec161176117553720025071108
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Geyserville

In Geyserville in May, humidity is 80%. With an average temperature of 16°C (61°F), this humidity feels like a warm blanket wrapped around you, making sightseeing a sweat-inducing challenge but also lending a lush vibrancy to the surroundings that can enhance your travel experience.

May Average Humidity in Geyserville

This chart illustrates the average monthly humidity levels in Geyserville, 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 Geyserville 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 Geyserville

In Geyserville 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 Geyserville.

Maximum UV Index Levels in Geyserville for May

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

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

This table compares monthly weather conditions in Geyserville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)161 mm (6.3 inches)86%moderate
February Weather9°C (49°F)176 mm (6.9 inches)84%moderate
March Weather10°C (51°F)117 mm (4.6 inches)83%high
April Weather13°C (56°F)55 mm (2.2 inches)80%very high
May Weather16°C (61°F)37 mm (1.5 inches)80%extreme
June Weather21°C (69°F)2 mm (0.1 inches)76%extreme
July Weather23°C (73°F)0 mm (0.0 inches)70%extreme
August Weather23°C (73°F)0 mm (0.0 inches)66%very high
September Weather21°C (69°F)2 mm (0.1 inches)68%very high
October Weather17°C (62°F)50 mm (2.0 inches)72%high
November Weather11°C (53°F)71 mm (2.8 inches)84%moderate
December Weather8°C (47°F)108 mm (4.3 inches)84%moderate

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