April Weather in Porterville, United States

Last updated: June 24, 2025

In April, the average temperature in Porterville, United States is a pleasant 17°C (63°F). Expect a range from a cool 4°C (40°F) to a warm 33°C (91°F). While you're enjoying the mild weather, be prepared for some light rain, with 43 mm (1.7 in) of precipitation over about 6 days. The atmosphere tends to be quite comfortable with an average humidity of 68%.

April Temperature in Porterville

In April in Porterville, the average temperature is 17°C (63°F). Maximums can reach 33°C (91°F), while minimums can dip as low as 4°C (40°F). This variation makes it advisable for travelers to pack layers to accommodate both warm days and cooler evenings.

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

The chart illustrates April temperature patterns in Porterville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porterville, April typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (91°F) and lows dropping to around 4°C (40°F).

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

April Precipitation in Porterville

In Porterville in April, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.

April Precipitation Trends in Porterville

The chart displays monthly precipitation patterns in Porterville, 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 Porterville, April typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 6 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 Porterville

In Porterville in April humidity is 68%. With an average temperature of 17°C (63°F), this humidity feels like a warm, gentle embrace, making it perfect for exploring local attractions but slightly challenging for outdoor activities during the hottest parts of the day.

April Average Humidity in Porterville

This chart illustrates the average monthly humidity levels in Porterville, 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 Porterville is approximately 68%, 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 Porterville

In Porterville 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 Porterville.

Maximum UV Index Levels in Porterville for April

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

Data source: Porterville 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 Porterville Compares to Other Months

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

This table compares monthly weather conditions in Porterville, 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)	76 mm (3.0 inches)	78%	moderate
February Weather	11°C (52°F)	78 mm (3.1 inches)	82%	moderate
March Weather	13°C (56°F)	108 mm (4.3 inches)	75%	very high
April Weather	17°C (63°F)	43 mm (1.7 inches)	68%	very high
May Weather	21°C (69°F)	26 mm (1.0 inches)	57%	very high
June Weather	26°C (80°F)	1 mm (0.0 inches)	52%	extreme
July Weather	30°C (87°F)	0 mm (0.0 inches)	46%	extreme
August Weather	30°C (86°F)	0 mm (0.0 inches)	39%	very high
September Weather	26°C (79°F)	2 mm (0.1 inches)	48%	very high
October Weather	20°C (68°F)	11 mm (0.4 inches)	59%	high
November Weather	14°C (58°F)	37 mm (1.5 inches)	72%	moderate
December Weather	10°C (51°F)	75 mm (2.9 inches)	76%	moderate