April Weather in Thermal, United States

Last updated: June 24, 2025

In April, the average temperature in Thermal, United States is a pleasant 20°C (68°F), providing a comfortable environment for outdoor activities. However, temperatures can swing dramatically, with a minimum of 6°C (43°F) and a maximum reaching up to 36°C (97°F). Expect some brief rain, with an average precipitation of 11 mm (0.4 in) over just 1 day of the month, and enjoy a moderate average humidity of 56%.

April Temperature in Thermal

In April in Thermal, the average temperature is 20°C (68°F). The maximum can reach 36°C (97°F) and the minimum can be as low as 6°C (43°F). This pleasant climate makes Thermal an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates April temperature patterns in Thermal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thermal, April typically has an average temperature of 20°C (68°F), with highs reaching up to 36°C (97°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec535559687384898982716152
Data source: Temperature data for Thermal 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 Thermal

In Thermal in April, the precipitation amount is 11 mm (0.4 in) over the course of one day.

April Precipitation Trends in Thermal

The chart displays monthly precipitation patterns in Thermal, 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 Thermal, April typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec2828191121107561027
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Thermal

In Thermal in April humidity is 56%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making traveling enjoyable yet slightly sticky, as the air wraps around you, urging you to hydrate often and seek out refreshing spots along your journey.

April Average Humidity in Thermal

This chart illustrates the average monthly humidity levels in Thermal, 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 Thermal is approximately 56%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Thermal

In Thermal 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 Thermal.

Maximum UV Index Levels in Thermal for April

The chart shows the monthly maximum UV Index (UVI) for Thermal 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 Thermal typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111212121111854
Data source: Thermal 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 Thermal Compares to Other Months

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

This table compares monthly weather conditions in Thermal, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)28 mm (1.1 inches)72%moderate
February Weather13°C (55°F)28 mm (1.1 inches)77%high
March Weather15°C (60°F)18 mm (0.7 inches)67%very high
April Weather20°C (68°F)11 mm (0.4 inches)56%extreme
May Weather23°C (73°F)2 mm (0.1 inches)46%extreme
June Weather29°C (84°F)1 mm (0.0 inches)48%extreme
July Weather32°C (89°F)10 mm (0.4 inches)46%extreme
August Weather32°C (89°F)7 mm (0.3 inches)42%extreme
September Weather28°C (83°F)4 mm (0.2 inches)52%extreme
October Weather21°C (71°F)6 mm (0.2 inches)58%very high
November Weather16°C (61°F)10 mm (0.4 inches)66%moderate
December Weather11°C (52°F)27 mm (1.1 inches)74%moderate

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