May Weather in Niwot

Last updated: March 2, 2024

The weather in Niwot, United States, during May is characterized by an average temperature of 10°C (50°F). Highs can soar to 26°C (78°F), while lows may dip to -4°C (25°F). Typically, the humidity level in Niwot throughout May hovers around 66%.

-4°C (25°F)

Minimum temperature

10°C (50°F)

Average temperature

26°C (78°F)

Maximum temperature

66%

Humidity

Precipitation and Sunshine hours

In May, Niwot averages 134 mm (5.3 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 14 hours 24 minutes of daylight, with the sun shining for approximately 10 hours 39 minutes each day. Additionally, there is a 41% probability of sunny days during this period.

134 mm (5.3 inches)

Precipitation

16 rainy days

Rainy days

10 hours 39 minutes

Sunshine hours

41%

Chance of sun

UV Index

In May, the UV Index in Niwot 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 2 4 7 9 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

Compare Niwot's Climate with Cities Worldwide