May Weather in Decatur

Last updated: March 2, 2024

The weather in Decatur, United States, during May is characterized by an average temperature of 23°C (74°F). Highs can soar to 34°C (94°F), while lows may dip to 10°C (50°F). Typically, the humidity level in Decatur throughout May hovers around 80%.

10°C (50°F)

Minimum temperature

23°C (74°F)

Average temperature

34°C (94°F)

Maximum temperature

80%

Humidity

Precipitation and Sunshine hours

In May, Decatur averages 135 mm (5.3 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 13 hours 52 minutes of daylight, with the sun shining for approximately 9 hours 20 minutes each day. Additionally, there is a 29% probability of sunny days during this period.

135 mm (5.3 inches)

Precipitation

11 rainy days

Rainy days

9 hours 20 minutes

Sunshine hours

29%

Chance of sun

UV Index

In May, the UV Index in Decatur reaches a maximum of 11, 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 1 3 5 8 10 11 11 9 7 4 2 1
Exposure Low Moderate VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Decatur's Climate with Cities Worldwide