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May Weather in East Palo Alto, United States

Last updated: June 24, 2025

In East Palo Alto, United States, the average temperature in May is a pleasant 15°C (59°F). Expect a minimum of 8°C (46°F) and a maximum of 29°C (84°F), providing a comfortable range for outdoor activities. The month brings 24 mm (0.9 in) of precipitation spread over just 2 days, and an average humidity of 71%, adding a touch of freshness to the air.

May Temperature in East Palo Alto

In May in East Palo Alto, the average temperature is 15°C (59°F). Maximums can reach 29°C (84°F), while minimums can drop to as low as 8°C (46°F). It's a great time to visit for comfortable weather that allows for both outdoor activities and cozy evenings.

May Weather in East Palo Alto: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in East Palo Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In East Palo Alto, May typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (84°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec525354565863636565625652
Data source: Temperature data for East Palo Alto 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 East Palo Alto

In East Palo Alto in May, the total precipitation amount is 24 mm (0.9 in) over a period of 2 days.

May Precipitation Trends in East Palo Alto

The chart displays monthly precipitation patterns in East Palo Alto, 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 East Palo Alto, May typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051008633242012244788
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in East Palo Alto

In East Palo Alto in May humidity is 71%. With an average temperature of 15°C (59°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and encouraging travelers to seek shade or indoor attractions to escape the muggy air.

May Average Humidity in East Palo Alto

This chart illustrates the average monthly humidity levels in East Palo Alto, 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 East Palo Alto is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in East Palo Alto

In East Palo Alto 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 East Palo Alto.

Maximum UV Index Levels in East Palo Alto for May

The chart shows the monthly maximum UV Index (UVI) for East Palo Alto 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 East Palo Alto typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109743
Data source: East Palo Alto 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 East Palo Alto Compares to Other Months

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

This table compares monthly weather conditions in East Palo Alto, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)105 mm (4.1 inches)82%moderate
February Weather11°C (53°F)100 mm (3.9 inches)84%moderate
March Weather12°C (54°F)86 mm (3.4 inches)82%very high
April Weather13°C (57°F)33 mm (1.3 inches)78%very high
May Weather15°C (59°F)24 mm (0.9 inches)71%very high
June Weather17°C (63°F)2 mm (0.1 inches)64%extreme
July Weather17°C (63°F)0 mm (0.0 inches)58%extreme
August Weather18°C (65°F)0 mm (0.0 inches)54%very high
September Weather18°C (66°F)2 mm (0.1 inches)55%very high
October Weather17°C (63°F)24 mm (0.9 inches)62%high
November Weather13°C (56°F)47 mm (1.9 inches)78%moderate
December Weather11°C (52°F)88 mm (3.5 inches)80%moderate

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