May Weather in Salem

Last updated: March 2, 2024

The weather in Salem, United States, during May is characterized by an average temperature of 19°C (67°F). Highs can soar to 31°C (89°F), while lows may dip to 4°C (40°F). Typically, the humidity level in Salem throughout May hovers around 83%.

4°C (40°F)

Minimum temperature

19°C (67°F)

Average temperature

31°C (89°F)

Maximum temperature

83%

Humidity

Precipitation and Sunshine hours

In May, Salem averages 137 mm (5.4 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 14 hours 3 minutes of daylight, with the sun shining for approximately 9 hours 42 minutes each day. Additionally, there is a 37% probability of sunny days during this period.

137 mm (5.4 inches)

Precipitation

11 rainy days

Rainy days

9 hours 42 minutes

Sunshine hours

37%

Chance of sun

UV Index

In May, the UV Index in Salem 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	1	3	5	8	10	10	10	9	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