December Weather in Rio

Last updated: March 2, 2024

The weather in Rio, Greece, during December is characterized by an average temperature of 10°C (50°F). Highs can soar to 17°C (63°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Rio throughout December hovers around 83%.

3°C (38°F)

Minimum temperature

10°C (50°F)

Average temperature

17°C (63°F)

Maximum temperature

83%

Humidity

Precipitation and Sunshine hours

In December, Rio averages 178 mm (7.0 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 9 hours 31 minutes of daylight, with the sun shining for approximately 7 hours 52 minutes each day. Additionally, there is a 41% probability of sunny days during this period.

178 mm (7.0 inches)

Precipitation

15 rainy days

Rainy days

7 hours 52 minutes

Sunshine hours

41%

Chance of sun

UV Index

In December, the UV Index in Rio reaches a maximum of 3, 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 2 3 3 2 1 1 1 0 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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