May Weather in Galena

Last updated: March 2, 2024

The weather in Galena, United States, during May is characterized by an average temperature of 19°C (67°F). Highs can soar to 31°C (87°F), while lows may dip to 7°C (45°F). Typically, the humidity level in Galena throughout May hovers around 83%.

7°C (45°F)

Minimum temperature

19°C (67°F)

Average temperature

31°C (87°F)

Maximum temperature

83%

Humidity

Precipitation and Sunshine hours

In May, Galena averages 171 mm (6.7 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 14 hours 8 minutes of daylight, with the sun shining for approximately 9 hours 18 minutes each day. Additionally, there is a 22% probability of sunny days during this period.

171 mm (6.7 inches)

Precipitation

13 rainy days

Rainy days

9 hours 18 minutes

Sunshine hours

22%

Chance of sun

UV Index

In May, the UV Index in Galena 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 3 6 8 10 11 10 8 6 4 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

Compare Galena's Climate with Cities Worldwide