May Weather in San Francisco la Union, Guatemala

Last updated: August 23, 2025

In San Francisco la Union, Guatemala, the average temperature in May hovers around 17°C (62°F)—a comfortable range where the minimum dips to 9°C (48°F) and the maximum can rise to 26°C (80°F). Expect a precipitation amount of 290 mm (11.4 in) over 31 days, coupled with an average humidity level of 65%. Enjoy the diverse weather of this month!

May Temperature in San Francisco la Union

In May in San Francisco la Union, the average temperature is 17°C (62°F), with maximums reaching 26°C (80°F) and minimums dropping as low as 9°C (48°F). This weather makes it an ideal time for travelers looking to explore comfortably while enjoying a variety of outdoor activities.

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

The chart illustrates May temperature patterns in San Francisco la Union, 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 la Union, May typically has an average temperature of 17°C (62°F), with highs reaching up to 26°C (80°F) and lows dropping to around 9°C (48°F).

Data source: Temperature data for San Francisco la Union generated using information from the Copernicus Climate Change Service.

May Precipitation in San Francisco la Union

In San Francisco la Union in May, the precipitation amount is 290 mm (11.4 in) over the course of 31 days.

May Precipitation Trends in San Francisco la Union

The chart displays monthly precipitation patterns in San Francisco la Union, 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 la Union, May typically receives around 290 mm (11.4 inches) of precipitation spread over approximately 31 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in San Francisco la Union

In San Francisco la Union in May, humidity is 65%. With an average temperature of 17°C (62°F), this humidity feels like a gentle wrap of warmth around you, making it a comfortable time for exploring outdoor sights, yet you might want to carry a light jacket and stay hydrated while roaming the streets.

May Average Humidity in San Francisco la Union

This chart illustrates the average monthly humidity levels in San Francisco la Union, 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 la Union is approximately 65%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Francisco la Union

In San Francisco la Union in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Francisco la Union.

Maximum UV Index Levels in San Francisco la Union for May

The chart shows the monthly maximum UV Index (UVI) for San Francisco la Union 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 la Union typically reaches 15, which falls under the extreme exposure category.

Data source: San Francisco la Union 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 la Union Compares to Other Months

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

This table compares monthly weather conditions in San Francisco la Union, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	24 mm (1.0 inches)	76%	extreme
February Weather	14°C (58°F)	18 mm (0.7 inches)	68%	extreme
March Weather	15°C (60°F)	33 mm (1.3 inches)	59%	extreme
April Weather	16°C (62°F)	91 mm (3.6 inches)	57%	extreme
May Weather	17°C (62°F)	290 mm (11.4 inches)	65%	extreme
June Weather	16°C (61°F)	373 mm (14.7 inches)	66%	extreme
July Weather	16°C (60°F)	173 mm (6.8 inches)	75%	extreme
August Weather	16°C (60°F)	264 mm (10.4 inches)	82%	extreme
September Weather	16°C (60°F)	330 mm (13.0 inches)	82%	extreme
October Weather	16°C (60°F)	262 mm (10.3 inches)	83%	extreme
November Weather	15°C (59°F)	75 mm (3.0 inches)	80%	extreme
December Weather	14°C (57°F)	29 mm (1.2 inches)	76%	very high