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April Weather in Callahan, United States

Last updated: June 24, 2025

In April, the average temperature in Callahan, United States is a comfortable 21°C (70°F). Expect a range from a cooler 4°C (39°F) to a warm 33°C (92°F). During this month, you might encounter about 66 mm (2.6 in) of precipitation spread over 8 days, contributing to an average humidity of 72%. Stay prepared for both sunny days and occasional rain!

April Temperature in Callahan

In April in Callahan, the average temperature is 21°C (70°F). The maximum can reach 33°C (92°F), while the minimum can dip as low as 4°C (39°F). This weather makes Callahan an ideal destination for travelers seeking mild temperatures and a range of outdoor activities.

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

The chart illustrates April temperature patterns in Callahan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Callahan, April typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec556164697579818179746358
Data source: Temperature data for Callahan 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 Callahan

In Callahan in April, the total precipitation amount is 66 mm (2.6 in) over the course of 8 days.

April Precipitation Trends in Callahan

The chart displays monthly precipitation patterns in Callahan, 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 Callahan, April typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec4569416686170196190157746485
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Callahan

In Callahan in April, humidity is 72%. With an average temperature of 21°C (70°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sticky and sweaty, but still manageable for traveling if you stay hydrated and take regular breaks in the shade.

April Average Humidity in Callahan

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

In Callahan 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 Callahan.

Maximum UV Index Levels in Callahan for April

The chart shows the monthly maximum UV Index (UVI) for Callahan 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 Callahan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111111111110865
Data source: Callahan 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 Callahan Compares to Other Months

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

This table compares monthly weather conditions in Callahan, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)45 mm (1.8 inches)84%moderate
February Weather16°C (61°F)69 mm (2.7 inches)79%high
March Weather18°C (64°F)41 mm (1.6 inches)78%very high
April Weather21°C (70°F)66 mm (2.6 inches)72%extreme
May Weather24°C (76°F)86 mm (3.4 inches)72%extreme
June Weather26°C (80°F)170 mm (6.7 inches)74%extreme
July Weather27°C (81°F)196 mm (7.7 inches)82%extreme
August Weather27°C (81°F)190 mm (7.5 inches)82%extreme
September Weather26°C (80°F)157 mm (6.2 inches)83%very high
October Weather23°C (74°F)74 mm (2.9 inches)79%very high
November Weather17°C (63°F)64 mm (2.5 inches)82%high
December Weather14°C (58°F)85 mm (3.3 inches)85%moderate

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