April Weather in Patterson, United States

Last updated: June 24, 2025

In April, the average temperature in Patterson, United States hovers around 21°C (70°F), offering a pleasant retreat. Expect a minimum of 6°C (44°F) on cooler days, while highs can reach up to 31°C (88°F). With an average humidity of 81%, the air feels quite balmy. However, prepare for 115 mm (4.5 in) of precipitation spread over 9 days, so don't forget your umbrella!

April Temperature in Patterson

In April in Patterson, the average temperature is 21°C (70°F). The maximum can reach 31°C (88°F) and the minimum can be as low as 6°C (44°F). This weather makes it an ideal time for travelers to explore the area comfortably.

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

The chart illustrates April temperature patterns in Patterson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Patterson, April typically has an average temperature of 21°C (70°F), with highs reaching up to 31°C (88°F) and lows dropping to around 6°C (44°F).

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

April Precipitation in Patterson

In Patterson in April, the precipitation amount is 115 mm (4.5 in) over the course of 9 days, indicating a relatively wet period for the region.

April Precipitation Trends in Patterson

The chart displays monthly precipitation patterns in Patterson, 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 Patterson, April typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 9 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 Patterson

In Patterson in April, humidity is 81%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace, making outdoor activities slightly uncomfortable and necessitating frequent breaks in the shade or air conditioning for a refreshing escape.

April Average Humidity in Patterson

This chart illustrates the average monthly humidity levels in Patterson, 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 Patterson 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 Patterson

In Patterson in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Patterson.

Maximum UV Index Levels in Patterson for April

The chart shows the monthly maximum UV Index (UVI) for Patterson 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 Patterson typically reaches 11, which falls under the extreme exposure category.

Data source: Patterson 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 Patterson Compares to Other Months

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

This table compares monthly weather conditions in Patterson, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	89 mm (3.5 inches)	81%	moderate
February Weather	16°C (60°F)	97 mm (3.8 inches)	81%	very high
March Weather	19°C (66°F)	59 mm (2.3 inches)	79%	very high
April Weather	21°C (70°F)	115 mm (4.5 inches)	81%	extreme
May Weather	25°C (77°F)	149 mm (5.9 inches)	77%	extreme
June Weather	27°C (82°F)	210 mm (8.3 inches)	74%	extreme
July Weather	28°C (83°F)	226 mm (8.9 inches)	74%	extreme
August Weather	28°C (82°F)	211 mm (8.3 inches)	73%	extreme
September Weather	26°C (80°F)	169 mm (6.6 inches)	79%	extreme
October Weather	23°C (74°F)	112 mm (4.4 inches)	77%	very high
November Weather	16°C (62°F)	65 mm (2.6 inches)	81%	high
December Weather	14°C (58°F)	96 mm (3.8 inches)	84%	moderate