May Weather in Williston

Last updated: March 2, 2024

The weather in Williston, United States, during May is characterized by an average temperature of 12°C (55°F). Highs can soar to 29°C (85°F), while lows may dip to -2°C (28°F). Typically, the humidity level in Williston throughout May hovers around 73%.

-2°C (28°F)

Minimum temperature

12°C (55°F)

Average temperature

29°C (85°F)

Maximum temperature

73%

Humidity

Precipitation and Sunshine hours

In May, Williston averages 45 mm (1.8 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 15 hours 13 minutes of daylight, with the sun shining for approximately 10 hours 45 minutes each day. Additionally, there is a 47% probability of sunny days during this period.

45 mm (1.8 inches)

Precipitation

8 rainy days

Rainy days

10 hours 45 minutes

Sunshine hours

47%

Chance of sun

UV Index

In May, the UV Index in Williston reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 1 2 4 5 7 8 8 7 6 4 3 2
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Williston's Climate with Cities Worldwide