May Weather in Salem

Last updated: March 2, 2024

The weather in Salem, United States, during May is characterized by an average temperature of 18°C (66°F). Highs can soar to 30°C (87°F), while lows may dip to 6°C (43°F). Typically, the humidity level in Salem throughout May hovers around 83%.

6°C (43°F)

Minimum temperature

18°C (66°F)

Average temperature

30°C (87°F)

Maximum temperature

83%

Humidity

Precipitation and Sunshine hours

In May, Salem averages 178 mm (7.0 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 14 hours 12 minutes of daylight, with the sun shining for approximately 8 hours 59 minutes each day. Additionally, there is a 27% probability of sunny days during this period.

178 mm (7.0 inches)

Precipitation

14 rainy days

Rainy days

8 hours 59 minutes

Sunshine hours

27%

Chance of sun

UV Index

In May, the UV Index in Salem reaches a maximum of 10, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 6 8 10 11 10 8 6 3 2 1
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

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