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April Weather in Arlington, United States

Last updated: June 24, 2025

The average temperature in Arlington, United States during April hovers around 8°C (47°F). However, temperatures can vary significantly, with minimums dropping to -3°C (26°F) and maximums soaring to 27°C (81°F). Expect about 214 mm (8.4 in) of precipitation over roughly 17 days, coupled with a high average humidity of 86%.

April Temperature in Arlington

In April in Arlington, the average temperature is 8°C (47°F). The maximum can reach 27°C (81°F), and the minimum can be as low as -3°C (26°F). This variation makes it essential to pack layered clothing for your trip to Arlington during this time.

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 8°C (47°F), with highs reaching up to 27°C (81°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec373541475459636458474136
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 214 mm (8.4 in) over the course of 17 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 214 mm (8.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec3143252562141131043738175302404365
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 86%. With an average temperature of 8°C (47°F), this humidity feels like a chilling damp that penetrates your clothes, making outdoor adventures less enjoyable and encouraging you to seek warmth indoors rather than explore 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 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%88%86%82%82%85%77%76%88%88%89%
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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Arlington, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987531
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 Weather3°C (37°F)314 mm (12.4 inches)87%low
February Weather2°C (36°F)325 mm (12.8 inches)86%moderate
March Weather5°C (41°F)256 mm (10.1 inches)88%moderate
April Weather8°C (47°F)214 mm (8.4 inches)86%high
May Weather12°C (54°F)113 mm (4.4 inches)82%very high
June Weather15°C (59°F)104 mm (4.1 inches)82%very high
July Weather17°C (63°F)37 mm (1.5 inches)85%very high
August Weather18°C (64°F)38 mm (1.5 inches)77%very high
September Weather14°C (58°F)175 mm (6.9 inches)76%high
October Weather8°C (47°F)302 mm (11.9 inches)88%moderate
November Weather5°C (42°F)404 mm (15.9 inches)88%moderate
December Weather2°C (37°F)365 mm (14.4 inches)89%low

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