April Weather in Hallettsville, United States

Last updated: June 24, 2025

In April, the average temperature in Hallettsville, United States hovers around 21°C (71°F), providing a pleasant climate. Temperatures can fluctuate, with a minimum of 3°C (37°F) and a peak of 35°C (95°F). Expect approximately 101 mm (4.0 in) of precipitation spread over 10 days, and with an average humidity of 79%, it's a perfect time to enjoy the lush surroundings!

April Temperature in Hallettsville

In April in Hallettsville, the average temperature is 21°C (71°F). Maximum can reach 35°C (95°F) and minimum can be as low as 3°C (37°F). This varied climate makes it essential for travelers to pack both light clothing for warm days and warmer layers for cooler evenings.

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

The chart illustrates April temperature patterns in Hallettsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hallettsville, April typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (37°F).

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

April Precipitation in Hallettsville

In Hallettsville in April, the precipitation amount is 101 mm (4.0 in) spread over the course of 10 days.

April Precipitation Trends in Hallettsville

The chart displays monthly precipitation patterns in Hallettsville, 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 Hallettsville, April typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 10 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 Hallettsville

In Hallettsville in April humidity is 79%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and exhausting. Travelers should be prepared to hydrate frequently and take breaks in shaded areas to fully enjoy their time exploring.

April Average Humidity in Hallettsville

This chart illustrates the average monthly humidity levels in Hallettsville, 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 Hallettsville is approximately 79%, 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 Hallettsville

In Hallettsville 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 Hallettsville.

Maximum UV Index Levels in Hallettsville for April

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

Data source: Hallettsville 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 Hallettsville Compares to Other Months

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

This table compares monthly weather conditions in Hallettsville, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	60 mm (2.4 inches)	78%	moderate
February Weather	14°C (57°F)	70 mm (2.7 inches)	81%	very high
March Weather	19°C (66°F)	69 mm (2.7 inches)	76%	very high
April Weather	21°C (71°F)	101 mm (4.0 inches)	79%	extreme
May Weather	26°C (78°F)	134 mm (5.3 inches)	79%	extreme
June Weather	28°C (83°F)	105 mm (4.1 inches)	74%	extreme
July Weather	29°C (85°F)	93 mm (3.6 inches)	71%	extreme
August Weather	30°C (86°F)	116 mm (4.6 inches)	68%	extreme
September Weather	27°C (81°F)	110 mm (4.3 inches)	73%	very high
October Weather	22°C (73°F)	75 mm (3.0 inches)	75%	very high
November Weather	17°C (63°F)	66 mm (2.6 inches)	78%	high
December Weather	14°C (58°F)	76 mm (3.0 inches)	84%	moderate