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April Weather in Arlington, United States

Last updated: June 24, 2025

In April, the average temperature in Arlington, United States hovers around 6°C (42°F). The weather can be quite extreme, with minimums plunging to -17°C (1°F) and maximums soaring to 29°C (84°F). Prepare for some moisture as 75 mm (2.9 in) of precipitation is expected over about 10 days, contributing to an average humidity level of 82%.

April Temperature in Arlington

In April in Arlington, the average temperature is 6°C (42°F), with maximums reaching 29°C (84°F) and minimums dropping as low as -17°C (1°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack accordingly for both warm and cold weather.

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 6°C (42°F), with highs reaching up to 29°C (84°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec171632425771747064473425
Data source: Temperature data for Arlington 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 Arlington

In Arlington in April, the precipitation amount is 75 mm (2.9 in) spread over a period of 10 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 75 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec20205975947410210698752532
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Arlington

In Arlington in April, humidity is 82%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and prompting travelers to seek cozy indoor spaces instead.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
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.
JanFebMarAprMayJunJulAugSepOctNovDec35589101098532
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.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)20 mm (0.8 inches)85%moderate
February Weather-9°C (17°F)20 mm (0.8 inches)89%moderate
March Weather0°C (33°F)59 mm (2.3 inches)81%moderate
April Weather6°C (42°F)75 mm (2.9 inches)82%very high
May Weather14°C (57°F)93 mm (3.7 inches)76%very high
June Weather22°C (71°F)74 mm (2.9 inches)81%very high
July Weather23°C (74°F)102 mm (4.0 inches)82%very high
August Weather21°C (71°F)106 mm (4.2 inches)83%very high
September Weather18°C (64°F)98 mm (3.8 inches)82%very high
October Weather8°C (47°F)75 mm (2.9 inches)82%moderate
November Weather1°C (34°F)25 mm (1.0 inches)87%moderate
December Weather-4°C (25°F)32 mm (1.3 inches)84%low

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