May Weather in Dumfries

Last updated: March 2, 2024

The weather in Dumfries, United States, during May is characterized by an average temperature of 20°C (67°F). Highs can soar to 33°C (93°F), while lows may dip to 7°C (44°F). Typically, the humidity level in Dumfries throughout May hovers around 78%.

7°C (44°F)

Minimum temperature

20°C (67°F)

Average temperature

33°C (93°F)

Maximum temperature

78%

Humidity

Precipitation and Sunshine hours

In May, Dumfries averages 117 mm (4.6 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 14 hours 17 minutes of daylight, with the sun shining for approximately 9 hours 37 minutes each day. Additionally, there is a 42% probability of sunny days during this period.

117 mm (4.6 inches)

Precipitation

12 rainy days

Rainy days

9 hours 37 minutes

Sunshine hours

42%

Chance of sun

UV Index

In May, the UV Index in Dumfries reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	2	3	6	8	10	10	9	8	5	3	2	1
Exposure	Low		Moderate	High	VeryHigh					Moderate		Low
Time to burn	45 min		30 min	25 min	15 min					30 min		45 min