May Weather in Alta Sierra

Last updated: March 2, 2024

The weather in Alta Sierra, United States, during May is characterized by an average temperature of 14°C (57°F). Highs can soar to 27°C (81°F), while lows may dip to 1°C (34°F). Typically, the humidity level in Alta Sierra throughout May hovers around 57%.

1°C (34°F)

Minimum temperature

14°C (57°F)

Average temperature

27°C (81°F)

Maximum temperature

57%

Humidity

Precipitation and Sunshine hours

In May, Alta Sierra averages 32 mm (1.2 inches) of rainfall, typically over the course of 5 rainy days. The month enjoys an average of 14 hours 3 minutes of daylight, with the sun shining for approximately 11 hours 57 minutes each day. Additionally, there is a 85% probability of sunny days during this period.

32 mm (1.2 inches)

Precipitation

5 rainy days

Rainy days

11 hours 57 minutes

Sunshine hours

85%

Chance of sun

UV Index

In May, the UV Index in Alta Sierra reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 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	4	7	9	11	11	10	8	5	3	1	1
Exposure	Low		Moderate	High	VeryHigh	Extreme		VeryHigh		Moderate		Low
Time to burn	45 min		30 min	25 min	15 min	10 min		15 min		30 min		45 min