April Weather in Arlington, United States

Last updated: June 24, 2025

In Arlington, United States, the average temperature in April hovers around 10°C (50°F). Expect temperature swings, with a minimum of -10°C (15°F) and a maximum reaching 31°C (89°F). During this month, precipitation averages 59 mm (2.3 in) across 9 days, and the humidity remains relatively high at 74%.

April Temperature in Arlington

In April in Arlington, the average temperature is 10°C (50°F). Maximums can reach 31°C (89°F) and minimums can be as low as -10°C (15°F). This wide range of temperatures makes it advisable for travelers to pack both warm and light clothing to ensure comfort during their stay.

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

The chart illustrates April temperature patterns in Arlington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arlington, April typically has an average temperature of 10°C (50°F), with highs reaching up to 31°C (89°F) and lows dropping to around -10°C (15°F).

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

April Precipitation in Arlington

In Arlington in April, the precipitation amount is 59 mm (2.3 in) over the course of 9 days.

April Precipitation Trends in Arlington

The chart displays monthly precipitation patterns in Arlington, 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 Arlington, April typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 9 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 Arlington

In Arlington in April humidity is 74%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your clothes, making outdoor exploration uncomfortable and requiring travelers to dress in layers to stay warm while navigating the moist air.

April Average Humidity in Arlington

This chart illustrates the average monthly humidity levels in Arlington, 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 Arlington is approximately 74%, 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 Arlington

In Arlington in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Arlington.

Maximum UV Index Levels in Arlington for April

The chart shows the monthly maximum UV Index (UVI) for Arlington 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 Arlington typically reaches 8, which falls under the very high exposure category.

Data source: Arlington 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 Arlington Compares to Other Months

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

This table compares monthly weather conditions in Arlington, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	32 mm (1.2 inches)	76%	moderate
February Weather	-4°C (25°F)	30 mm (1.2 inches)	80%	moderate
March Weather	5°C (41°F)	92 mm (3.6 inches)	73%	high
April Weather	10°C (50°F)	59 mm (2.3 inches)	74%	very high
May Weather	17°C (63°F)	151 mm (6.0 inches)	78%	very high
June Weather	24°C (76°F)	123 mm (4.8 inches)	82%	very high
July Weather	25°C (78°F)	68 mm (2.7 inches)	83%	very high
August Weather	23°C (74°F)	103 mm (4.1 inches)	80%	very high
September Weather	21°C (69°F)	79 mm (3.1 inches)	75%	very high
October Weather	11°C (53°F)	105 mm (4.1 inches)	75%	high
November Weather	4°C (40°F)	30 mm (1.2 inches)	82%	moderate
December Weather	-1°C (31°F)	41 mm (1.6 inches)	83%	low