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May Weather in San Ardo, United States

Last updated: June 24, 2025

In May, the average temperature in San Ardo, United States hovers around 18°C (64°F), with a comfortable humidity level of 75%. Expect chilly nights, as the temperature can drop to a minimum of 5°C (40°F), while daytime highs can reach up to 35°C (96°F). Additionally, anticipate 9 mm (0.4 in) of precipitation spread over just 2 days, making it a great time to experience the local climate!

May Temperature in San Ardo

In May in San Ardo, the average temperature is 18°C (64°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 5°C (40°F). This wide range of temperatures makes it essential for travelers to pack accordingly to enjoy their stay comfortably.

May Weather in San Ardo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Ardo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Ardo, May typically has an average temperature of 18°C (64°F), with highs reaching up to 35°C (96°F) and lows dropping to around 5°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec505153596471757572655650
Data source: Temperature data for San Ardo 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 San Ardo

In San Ardo in May, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

May Precipitation Trends in San Ardo

The chart displays monthly precipitation patterns in San Ardo, 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 San Ardo, May typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec9869762110000182462
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Ardo

In San Ardo in May, humidity is 75%. With an average temperature of 18°C (64°F), this humidity feels like a warm blanket enveloping you, making your travels a bit sticky and requiring frequent breaks in the shade to stay comfortable.

May Average Humidity in San Ardo

This chart illustrates the average monthly humidity levels in San Ardo, 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 San Ardo is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%80%76%75%74%75%72%70%70%74%77%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Ardo

In San Ardo 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 San Ardo.

Maximum UV Index Levels in San Ardo for May

The chart shows the monthly maximum UV Index (UVI) for San Ardo 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 San Ardo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111212119753
Data source: San Ardo 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 San Ardo Compares to Other Months

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

This table compares monthly weather conditions in San Ardo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)98 mm (3.9 inches)80%moderate
February Weather10°C (51°F)69 mm (2.7 inches)83%moderate
March Weather12°C (54°F)76 mm (3.0 inches)80%very high
April Weather15°C (60°F)21 mm (0.8 inches)76%very high
May Weather18°C (64°F)9 mm (0.4 inches)75%extreme
June Weather22°C (71°F)0 mm (0.0 inches)74%extreme
July Weather24°C (75°F)0 mm (0.0 inches)75%extreme
August Weather24°C (75°F)0 mm (0.0 inches)72%extreme
September Weather22°C (72°F)1 mm (0.0 inches)70%very high
October Weather18°C (65°F)8 mm (0.3 inches)70%high
November Weather13°C (56°F)24 mm (0.9 inches)74%moderate
December Weather10°C (50°F)62 mm (2.5 inches)76%moderate

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