May Weather in Webster Groves

Last updated: March 2, 2024

The weather in Webster Groves, United States, during May is characterized by an average temperature of 20°C (68°F). Highs can soar to 32°C (90°F), while lows may dip to 7°C (44°F). Typically, the humidity level in Webster Groves throughout May hovers around 82%.

7°C (44°F)

Minimum temperature

20°C (68°F)

Average temperature

32°C (90°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In May, Webster Groves averages 146 mm (5.7 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 14 hours 16 minutes of daylight, with the sun shining for approximately 9 hours 19 minutes each day. Additionally, there is a 27% probability of sunny days during this period.

146 mm (5.7 inches)

Precipitation

14 rainy days

Rainy days

9 hours 19 minutes

Sunshine hours

27%

Chance of sun

UV Index

In May, the UV Index in Webster Groves reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 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 6 8 10 10 9 8 5 3 2 1
Exposure Low Moderate High VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 15 min 30 min 45 min

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