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April Weather in Patterson, United States

Last updated: June 24, 2025

In April, the average temperature in Patterson, United States is a pleasant 20°C (68°F). However, temperatures can vary widely, with minimum lows around 0°C (32°F) and maximum highs reaching up to 37°C (100°F). Expect about 72 mm (2.8 in) of precipitation over approximately 8 days, contributing to an average humidity level of 72%.

April Temperature in Patterson

In April in Patterson, the average temperature is 20°C (68°F). Maximums can reach 37°C (100°F), and minimums can be as low as 0°C (32°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack both light clothing for the heat and layers for the cooler nights.

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 20°C (68°F), with highs reaching up to 37°C (100°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec535962687680828279725955
Data source: Temperature data for Patterson generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Patterson

In Patterson in April, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

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 72 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec62836772771161491241216953120
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Patterson

In Patterson in April humidity is 72%. With an average temperature of 20°C (68°F), this humidity feels like a heavy blanket enveloping you, making every step slightly more laborious and the air thick with moisture, which can be uncomfortable for traveling.

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 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%78%73%72%74%82%82%83%79%82%85%
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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579101111111110864
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.
 TemperaturePrecipitationHumidityUV
January Weather11°C (53°F)62 mm (2.4 inches)84%moderate
February Weather15°C (59°F)83 mm (3.3 inches)79%high
March Weather17°C (63°F)67 mm (2.6 inches)78%very high
April Weather20°C (68°F)72 mm (2.8 inches)72%very high
May Weather24°C (76°F)77 mm (3.0 inches)72%extreme
June Weather26°C (80°F)116 mm (4.6 inches)74%extreme
July Weather28°C (82°F)149 mm (5.9 inches)82%extreme
August Weather28°C (82°F)124 mm (4.9 inches)82%extreme
September Weather26°C (79°F)121 mm (4.8 inches)83%very high
October Weather22°C (72°F)69 mm (2.7 inches)79%very high
November Weather15°C (59°F)53 mm (2.1 inches)82%high
December Weather13°C (55°F)120 mm (4.7 inches)85%moderate

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