December Weather in Saint Jo

Last updated: March 2, 2024

The weather in Saint Jo, United States, during December is characterized by an average temperature of 9°C (49°F). Highs can soar to 25°C (77°F), while lows may dip to -4°C (25°F). Typically, the humidity level in Saint Jo throughout December hovers around 85%.

-4°C (25°F)

Minimum temperature

9°C (49°F)

Average temperature

25°C (77°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In December, Saint Jo averages 51 mm (2.0 inches) of rainfall, typically over the course of 6 rainy days. The month enjoys an average of 9 hours 56 minutes of daylight, with the sun shining for approximately 7 hours 25 minutes each day. Additionally, there is a 52% probability of sunny days during this period.

51 mm (2.0 inches)

Precipitation

6 rainy days

Rainy days

7 hours 25 minutes

Sunshine hours

52%

Chance of sun

UV Index

In December, the UV Index in Saint Jo reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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 0 1 1 2 3 4 4 3 2 1 1 0 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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