May Weather in Greybull

Last updated: March 2, 2024

The weather in Greybull, United States, during May is characterized by an average temperature of 13°C (56°F). Highs can soar to 30°C (86°F), while lows may dip to 0°C (33°F). Typically, the humidity level in Greybull throughout May hovers around 76%.

0°C (33°F)

Minimum temperature

13°C (56°F)

Average temperature

30°C (86°F)

Maximum temperature

76%

Humidity

Precipitation and Sunshine hours

In May, Greybull averages 37 mm (1.5 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 14 hours 49 minutes of daylight, with the sun shining for approximately 10 hours 24 minutes each day. Additionally, there is a 52% probability of sunny days during this period.

37 mm (1.5 inches)

Precipitation

9 rainy days

Rainy days

10 hours 24 minutes

Sunshine hours

52%

Chance of sun

UV Index

In May, the UV Index in Greybull reaches a maximum of 10, 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	2	3	5	8	9	10	9	8	6	4	2	1
Exposure	Low		Moderate		VeryHigh					High	Moderate	Low
Time to burn	45 min		30 min		15 min					25 min	30 min	45 min