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April Weather in Arlington, United States

Last updated: June 24, 2025

In Arlington, United States, the average temperature in April hovers around 7°C (45°F), creating a cool atmosphere. Daytime highs can reach a pleasant 26°C (79°F), while nights may dip to a chilly -7°C (19°F). Expect around 131 mm (5.2 in) of precipitation spread over 14 days, accompanied by an average humidity of 84%, adding to the overall dampness of the season.

April Temperature in Arlington

In April in Arlington, the average temperature is 7°C (45°F), with a maximum reaching 26°C (79°F) and a minimum dipping as low as -7°C (19°F). It’s advisable to pack layers, as temperatures can vary significantly throughout the day.

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 7°C (45°F), with highs reaching up to 26°C (79°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec232632445665716962513628
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 131 mm (5.2 in) spread over the course of 14 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 131 mm (5.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec8310088131102871209396150113108
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 84%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm while exploring the sights.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997632
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-5°C (23°F)83 mm (3.3 inches)89%moderate
February Weather-3°C (26°F)100 mm (3.9 inches)88%moderate
March Weather0°C (32°F)88 mm (3.5 inches)86%high
April Weather7°C (45°F)131 mm (5.2 inches)84%very high
May Weather14°C (57°F)102 mm (4.0 inches)76%very high
June Weather19°C (66°F)87 mm (3.4 inches)72%very high
July Weather22°C (71°F)120 mm (4.7 inches)66%very high
August Weather21°C (69°F)93 mm (3.7 inches)64%very high
September Weather17°C (62°F)96 mm (3.8 inches)72%high
October Weather10°C (51°F)150 mm (5.9 inches)81%high
November Weather2°C (37°F)112 mm (4.4 inches)87%moderate
December Weather-2°C (28°F)108 mm (4.2 inches)84%low

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