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May Weather in San Francisco, Nicaragua

Last updated: August 31, 2025

In May, the average temperature in San Francisco, Nicaragua reaches a balmy 29°C (84°F), with temperatures ranging from a comfortable 24°C (75°F) to a sizzling 38°C (100°F). Visitors can expect 257 mm (10.1 in) of precipitation spread across 23 days, all while enjoying an average humidity of 59%. Perfect for those who love a tropical climate!

May Temperature in San Francisco

In May in San Francisco, the average temperature is 29°C (84°F). Maximums can reach 38°C (100°F), while minimums can drop to as low as 24°C (75°F). This warm climate makes it an ideal destination for travelers seeking sunny weather and outdoor activities.

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

The chart illustrates May temperature patterns in San Francisco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Francisco, May typically has an average temperature of 29°C (84°F), with highs reaching up to 38°C (100°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec858687868483858382818385
Data source: Temperature data for San Francisco 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 Francisco

In San Francisco in May, the precipitation amount is 257 mm (10.1 in) spread over 23 days, indicating a significant level of rainfall during that time.

May Precipitation Trends in San Francisco

The chart displays monthly precipitation patterns in San Francisco, 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 Francisco, May typically receives around 257 mm (10.1 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec446352573611252983414171036
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Francisco

In San Francisco in May, humidity is 59%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet requiring regular hydration and occasional breaks in shaded areas for comfort while exploring.

May Average Humidity in San Francisco

This chart illustrates the average monthly humidity levels in San Francisco, 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 Francisco is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%62%59%59%59%68%78%79%77%77%75%67%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Francisco

In San Francisco in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Francisco, you can check here.

Maximum UV Index Levels in San Francisco for May

The chart shows the monthly maximum UV Index (UVI) for San Francisco 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 Francisco typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131313109
Data source: San Francisco 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 Francisco Compares to Other Months

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

This table compares monthly weather conditions in San Francisco, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (85°F)4 mm (0.2 inches)63%extreme
February Weather30°C (86°F)4 mm (0.2 inches)62%extreme
March Weather30°C (87°F)6 mm (0.2 inches)59%extreme
April Weather30°C (86°F)35 mm (1.4 inches)59%extreme
May Weather29°C (84°F)257 mm (10.1 inches)59%extreme
June Weather28°C (83°F)361 mm (14.2 inches)68%extreme
July Weather30°C (85°F)125 mm (4.9 inches)77%extreme
August Weather29°C (84°F)298 mm (11.7 inches)79%extreme
September Weather28°C (82°F)341 mm (13.4 inches)77%extreme
October Weather27°C (82°F)417 mm (16.4 inches)77%extreme
November Weather28°C (83°F)103 mm (4.1 inches)75%very high
December Weather29°C (85°F)6 mm (0.2 inches)66%very high

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