May Weather in Thornton

Last updated: March 2, 2024

The weather in Thornton, United States, during May is characterized by an average temperature of 13°C (56°F). Highs can soar to 29°C (85°F), while lows may dip to -1°C (30°F). Typically, the humidity level in Thornton throughout May hovers around 66%.

-1°C (30°F)

Minimum temperature

13°C (56°F)

Average temperature

29°C (85°F)

Maximum temperature

66%

Humidity

Precipitation and Sunshine hours

In May, Thornton averages 111 mm (4.4 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 14 hours 22 minutes of daylight, with the sun shining for approximately 10 hours 48 minutes each day. Additionally, there is a 43% probability of sunny days during this period.

111 mm (4.4 inches)

Precipitation

14 rainy days

Rainy days

10 hours 48 minutes

Sunshine hours

43%

Chance of sun

UV Index

In May, the UV Index in Thornton reaches a maximum of 12, 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 7 9 11 12 11 9 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

Compare Thornton's Climate with Cities Worldwide