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April Weather in San Angelo, United States

Last updated: June 24, 2025

In April, the average temperature in San Angelo, United States reaches a pleasant 19°C (67°F). However, be prepared for a range, as temperatures can dip to a cool 2°C (36°F) or soar up to a sweltering 37°C (99°F). Expect about 49 mm (1.9 in) of precipitation spread over 6 days, contributing to an average humidity of 70%.

April Temperature in San Angelo

In April in San Angelo, the average temperature is 19°C (67°F). The maximum can reach 37°C (99°F), while the minimum can drop to as low as 2°C (36°F). It's essential to pack for a range of temperatures to ensure a comfortable and enjoyable travel experience.

April Weather in San Angelo: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in San Angelo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Angelo, April typically has an average temperature of 19°C (67°F), with highs reaching up to 37°C (99°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec475061677682858478685751
Data source: Temperature data for San Angelo 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 San Angelo

In San Angelo in April, the precipitation amount is 49 mm (1.9 in) over the course of 6 days.

April Precipitation Trends in San Angelo

The chart displays monthly precipitation patterns in San Angelo, 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 San Angelo, April typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2523514910350213571562825
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Angelo

In San Angelo in April humidity is 70%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making traveling somewhat uncomfortable and sticky, as the air feels dense and every movement requires a bit more effort.

April Average Humidity in San Angelo

This chart illustrates the average monthly humidity levels in San Angelo, 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 San Angelo is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%74%69%70%77%76%66%60%67%72%84%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in San Angelo

In San Angelo 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 San Angelo.

Maximum UV Index Levels in San Angelo for April

The chart shows the monthly maximum UV Index (UVI) for San Angelo 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 San Angelo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121111864
Data source: San Angelo 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 San Angelo Compares to Other Months

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

This table compares monthly weather conditions in San Angelo, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)25 mm (1.0 inches)74%moderate
February Weather10°C (50°F)23 mm (0.9 inches)74%high
March Weather16°C (61°F)51 mm (2.0 inches)68%very high
April Weather19°C (67°F)49 mm (1.9 inches)70%extreme
May Weather24°C (76°F)103 mm (4.0 inches)77%extreme
June Weather28°C (82°F)49 mm (1.9 inches)76%extreme
July Weather29°C (85°F)21 mm (0.8 inches)66%extreme
August Weather29°C (85°F)35 mm (1.4 inches)60%extreme
September Weather26°C (78°F)71 mm (2.8 inches)67%extreme
October Weather20°C (68°F)56 mm (2.2 inches)72%very high
November Weather14°C (57°F)28 mm (1.1 inches)83%high
December Weather11°C (51°F)25 mm (1.0 inches)85%moderate

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