April Weather in San Francisco, Philippines

Last updated: August 27, 2025

In San Francisco, Philippines, the average temperature in April hovers around 28°C (83°F). Expect minimums of 24°C (76°F) and maximums reaching 34°C (94°F). During this month, you can anticipate about 80 mm (3.2 in) of precipitation over 19 days, along with an impressive average humidity of 88%.

April Temperature in San Francisco

In April in San Francisco, the average temperature is 28°C (83°F), with maximums reaching 34°C (94°F) and minimums dipping to around 24°C (76°F). This warm climate makes it an ideal destination for travelers seeking a sunny getaway.

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

The chart illustrates April 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, April typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (94°F) and lows dropping to around 24°C (76°F).

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

April Precipitation in San Francisco

In San Francisco in April, the precipitation amount is 80 mm (3.2 in) spread over a period of 19 days.

April Precipitation Trends in San Francisco

The chart displays monthly precipitation patterns in San Francisco, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In San Francisco, April typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 19 days.

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

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Millimeters (mm) Inches (in)

April Humidity in San Francisco

In San Francisco in April, humidity is 88%. With an average temperature of 28°C (83°F), this humidity feels like stepping into a warm, dense mist that clings to your skin, making outdoor activities noticeably more taxing and promoting a sense of sluggishness that can hinder your travel plans.

April Average Humidity in San Francisco

This chart illustrates the average monthly humidity levels in San Francisco, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in San Francisco is approximately 88%, offering insight into how humid the weather typically is during this month.

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

April UV Index in San Francisco

In San Francisco in April, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in San Francisco.

Maximum UV Index Levels in San Francisco for April

The chart shows the monthly maximum UV Index (UVI) for San Francisco in April, 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 April, the maximum UV index in San Francisco typically reaches 16, which falls under the extreme exposure category.

Data source: San Francisco April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	248 mm (9.8 inches)	90%	extreme
February Weather	27°C (81°F)	212 mm (8.3 inches)	90%	extreme
March Weather	28°C (82°F)	156 mm (6.1 inches)	90%	extreme
April Weather	28°C (83°F)	80 mm (3.2 inches)	88%	extreme
May Weather	29°C (85°F)	111 mm (4.4 inches)	83%	extreme
June Weather	29°C (85°F)	142 mm (5.6 inches)	81%	extreme
July Weather	29°C (84°F)	149 mm (5.9 inches)	80%	extreme
August Weather	29°C (85°F)	123 mm (4.9 inches)	81%	extreme
September Weather	29°C (84°F)	134 mm (5.3 inches)	84%	extreme
October Weather	28°C (84°F)	196 mm (7.7 inches)	81%	extreme
November Weather	28°C (83°F)	180 mm (7.1 inches)	84%	extreme
December Weather	27°C (82°F)	332 mm (13.1 inches)	88%	extreme