April Weather in South Yuba City, United States

Last updated: June 24, 2025

In South Yuba City, United States, the average temperature in April hovers around 18°C (65°F). Expect the minimum to dip to 5°C (40°F) and the maximum to soar to 36°C (97°F). This month, precipitation is projected at 41 mm (1.6 in), spread over approximately 5 days, with an average humidity of 81%.

April Temperature in South Yuba City

In April in South Yuba City, the average temperature is 18°C (65°F). The maximum can reach 36°C (97°F), while the minimum can dip as low as 5°C (40°F). This makes it a great time for travelers to experience a warm climate with the potential for cooler evenings, perfect for outdoor adventures or relaxing strolls.

April Weather in South Yuba City: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in South Yuba City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Yuba City, April typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (97°F) and lows dropping to around 5°C (40°F).

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

April Precipitation in South Yuba City

In South Yuba City in April, the precipitation amount is 41 mm (1.6 in) over a period of 5 days.

April Precipitation Trends in South Yuba City

The chart displays monthly precipitation patterns in South Yuba City, 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 South Yuba City, April typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 5 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in South Yuba City

In South Yuba City in April, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

April Average Humidity in South Yuba City

This chart illustrates the average monthly humidity levels in South Yuba City, 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 South Yuba City is approximately 81%, 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 South Yuba City

In South Yuba City in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in South Yuba City.

Maximum UV Index Levels in South Yuba City for April

The chart shows the monthly maximum UV Index (UVI) for South Yuba City 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 South Yuba City typically reaches 8, which falls under the very high exposure category.

Data source: South Yuba City 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 South Yuba City Compares to Other Months

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

This table compares monthly weather conditions in South Yuba City, 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)	111 mm (4.4 inches)	84%	moderate
February Weather	12°C (54°F)	101 mm (4.0 inches)	84%	moderate
March Weather	14°C (57°F)	86 mm (3.4 inches)	83%	high
April Weather	18°C (65°F)	41 mm (1.6 inches)	81%	very high
May Weather	22°C (72°F)	23 mm (0.9 inches)	74%	very high
June Weather	27°C (81°F)	5 mm (0.2 inches)	64%	extreme
July Weather	28°C (83°F)	0 mm (0.0 inches)	44%	very high
August Weather	27°C (82°F)	0 mm (0.0 inches)	36%	very high
September Weather	25°C (77°F)	2 mm (0.1 inches)	44%	very high
October Weather	20°C (68°F)	32 mm (1.2 inches)	65%	high
November Weather	14°C (57°F)	47 mm (1.9 inches)	84%	moderate
December Weather	10°C (50°F)	84 mm (3.3 inches)	83%	moderate