April Weather in Sunol, United States

Last updated: June 24, 2025

In April, the average temperature in Sunol, United States hovers around 14°C (57°F). Expect a minimum of 4°C (40°F) and a maximum reaching up to 32°C (90°F). You might also encounter 30 mm (1.2 in) of precipitation spread over 5 days, with an average humidity level of 78%. Enjoy the diverse climate!

April Temperature in Sunol

In April in Sunol, the average temperature is 14°C (57°F). Maximum temperatures can reach 32°C (90°F), while minimum temperatures can drop as low as 4°C (40°F). Be prepared for a range of weather conditions when traveling to Sunol during this month.

April Weather in Sunol: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Sunol, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunol, April typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (90°F) and lows dropping to around 4°C (40°F).

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

April Precipitation in Sunol

In Sunol in April, the precipitation amount is 30 mm (1.2 in) over the course of 5 days.

April Precipitation Trends in Sunol

The chart displays monthly precipitation patterns in Sunol, 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 Sunol, April typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 5 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 Sunol

In Sunol in April, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

April Average Humidity in Sunol

This chart illustrates the average monthly humidity levels in Sunol, 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 Sunol is approximately 78%, 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 Sunol

In Sunol in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sunol.

Maximum UV Index Levels in Sunol for April

The chart shows the monthly maximum UV Index (UVI) for Sunol 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 Sunol typically reaches 9, which falls under the very high exposure category.

Data source: Sunol 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 Sunol Compares to Other Months

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

This table compares monthly weather conditions in Sunol, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	98 mm (3.9 inches)	82%	moderate
February Weather	11°C (52°F)	95 mm (3.8 inches)	84%	moderate
March Weather	12°C (54°F)	87 mm (3.4 inches)	82%	very high
April Weather	14°C (57°F)	30 mm (1.2 inches)	78%	very high
May Weather	16°C (61°F)	23 mm (0.9 inches)	71%	very high
June Weather	19°C (66°F)	1 mm (0.0 inches)	64%	extreme
July Weather	20°C (69°F)	0 mm (0.0 inches)	58%	extreme
August Weather	21°C (70°F)	0 mm (0.0 inches)	54%	very high
September Weather	20°C (69°F)	2 mm (0.1 inches)	55%	very high
October Weather	18°C (64°F)	22 mm (0.9 inches)	62%	high
November Weather	13°C (56°F)	40 mm (1.6 inches)	78%	moderate
December Weather	10°C (51°F)	81 mm (3.2 inches)	80%	moderate