May Weather in Dahlgren, United States

Last updated: June 24, 2025

In Dahlgren, United States, the average temperature in May hovers around 20°C (68°F). However, be prepared for a temperature range that can dip to a brisk 5°C (40°F) and climb to a scorching 34°C (93°F). Expect 115 mm (4.5 in) of precipitation over approximately 11 days, with humidity levels averaging a cozy 78%.

May Temperature in Dahlgren

In May in Dahlgren, the average temperature is 20°C (68°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 5°C (40°F). It's a great time to visit for those who enjoy mild weather with the option of some warm days.

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

The chart illustrates May temperature patterns in Dahlgren, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dahlgren, May typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (40°F).

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

May Precipitation in Dahlgren

In Dahlgren in May, the total precipitation amount is 115 mm (4.5 in) spread over 11 days.

May Precipitation Trends in Dahlgren

The chart displays monthly precipitation patterns in Dahlgren, 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 Dahlgren, May typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Dahlgren

In Dahlgren in May humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

May Average Humidity in Dahlgren

This chart illustrates the average monthly humidity levels in Dahlgren, 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 Dahlgren is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Dahlgren

In Dahlgren in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Dahlgren.

Maximum UV Index Levels in Dahlgren for May

The chart shows the monthly maximum UV Index (UVI) for Dahlgren 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 Dahlgren typically reaches 10, which falls under the very high exposure category.

Data source: Dahlgren 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 Dahlgren Compares to Other Months

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

This table compares monthly weather conditions in Dahlgren, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	62 mm (2.4 inches)	84%	moderate
February Weather	6°C (43°F)	93 mm (3.6 inches)	83%	moderate
March Weather	9°C (49°F)	75 mm (2.9 inches)	83%	high
April Weather	15°C (59°F)	99 mm (3.9 inches)	81%	very high
May Weather	20°C (68°F)	115 mm (4.5 inches)	78%	very high
June Weather	24°C (76°F)	110 mm (4.3 inches)	79%	very high
July Weather	27°C (81°F)	118 mm (4.6 inches)	74%	very high
August Weather	26°C (79°F)	157 mm (6.2 inches)	72%	very high
September Weather	23°C (74°F)	92 mm (3.6 inches)	75%	very high
October Weather	18°C (64°F)	110 mm (4.3 inches)	81%	high
November Weather	10°C (50°F)	80 mm (3.1 inches)	85%	moderate
December Weather	6°C (43°F)	88 mm (3.5 inches)	84%	moderate