December Weather in Greater Napanee

Last updated: March 2, 2024

The weather in Greater Napanee, Canada, during December is characterized by an average temperature of -2°C (28°F). Highs can soar to 10°C (50°F), while lows may dip to -18°C (0°F). Typically, the humidity level in Greater Napanee throughout December hovers around 89%.

-18°C (0°F)

Minimum temperature

-2°C (28°F)

Average temperature

10°C (50°F)

Maximum temperature

89%

Humidity

Precipitation and Sunshine hours

In December, Greater Napanee averages 85 mm (3.4 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 8 hours 54 minutes of daylight, with the sun shining for approximately 4 hours 10 minutes each day. Additionally, there is a 26% probability of sunny days during this period.

85 mm (3.4 inches)

Precipitation

10 rainy days

Rainy days

4 hours 10 minutes

Sunshine hours

26%

Chance of sun

UV Index

In December, the UV Index in Greater Napanee reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 45 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 1 2 2 2 1 1 1 0 0 0
Exposure Low
Time to burn 45 min

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