May Weather in Duncan

Last updated: March 2, 2024

The weather in Duncan, United States, during May is characterized by an average temperature of 21°C (70°F). Highs can soar to 32°C (91°F), while lows may dip to 6°C (43°F). Typically, the humidity level in Duncan throughout May hovers around 83%.

6°C (43°F)

Minimum temperature

21°C (70°F)

Average temperature

32°C (91°F)

Maximum temperature

83%

Humidity

Precipitation and Sunshine hours

In May, Duncan averages 128 mm (5.0 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 14 hours 0 minutes of daylight, with the sun shining for approximately 9 hours 31 minutes each day. Additionally, there is a 36% probability of sunny days during this period.

128 mm (5.0 inches)

Precipitation

11 rainy days

Rainy days

9 hours 31 minutes

Sunshine hours

36%

Chance of sun

UV Index

In May, the UV Index in Duncan 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 Duncan's Climate with Cities Worldwide