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May Weather in Arlington, United States

Last updated: June 24, 2025

In Arlington, United States, the average temperature in May is a comfortable 19°C (67°F). However, temperatures can fluctuate, with a minimum of 1°C (33°F) and a maximum reaching up to 34°C (93°F). Expect about 133 mm (5.2 in) of precipitation spread over 13 days, contributing to an average humidity of 83%. Stay prepared for both the warmth and the occasional rain!

May Temperature in Arlington

In May in Arlington, the average temperature is 19°C (67°F). The maximum can reach 34°C (93°F), while the minimum can drop to as low as 1°C (33°F). This wide temperature range makes Arlington an ideal destination for travelers seeking varied weather experiences throughout the month.

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

The chart illustrates May 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, May typically has an average temperature of 19°C (67°F), with highs reaching up to 34°C (93°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec404550586773787671624843
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.

May Precipitation in Arlington

In Arlington in May, the total precipitation amount is 133 mm (5.2 in) spread over 13 days.

May Precipitation Trends in Arlington

The chart displays monthly precipitation patterns in Arlington, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Arlington, May typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec8411687133133908111513413685109
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Arlington

In Arlington in May humidity is 83%. With an average temperature of 19°C (67°F), this humidity feels like a warm, tropical blanket wrapping around you, making traveling feel a bit sluggish and sticky, yet still inviting as long as you stay hydrated and take breaks in the shade.

May Average Humidity in Arlington

This chart illustrates the average monthly humidity levels in Arlington, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Arlington is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Arlington

In Arlington in May, 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 Arlington.

Maximum UV Index Levels in Arlington for May

The chart shows the monthly maximum UV Index (UVI) for Arlington in May, 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 May, the maximum UV index in Arlington typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111110109853
Data source: Arlington May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)84 mm (3.3 inches)87%moderate
February Weather7°C (45°F)116 mm (4.6 inches)87%high
March Weather10°C (50°F)87 mm (3.4 inches)86%very high
April Weather15°C (59°F)133 mm (5.2 inches)84%very high
May Weather19°C (67°F)133 mm (5.2 inches)83%extreme
June Weather23°C (74°F)90 mm (3.6 inches)83%extreme
July Weather26°C (78°F)81 mm (3.2 inches)79%very high
August Weather24°C (76°F)115 mm (4.5 inches)66%very high
September Weather22°C (72°F)134 mm (5.3 inches)68%very high
October Weather17°C (62°F)136 mm (5.3 inches)78%very high
November Weather9°C (48°F)85 mm (3.3 inches)89%moderate
December Weather6°C (44°F)109 mm (4.3 inches)86%moderate

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