Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December in Cabo Frio experiences an average high-temperature of a still warm 26.5°C (79.7°F), barely different from November's 24.8°C (76.6°F). During the month of December, Cabo Frio's average nighttime temperature closely mirrors its daytime counterpart, at a still warm 23.7°C (74.7°F).Humidity
With an average relative humidity of 84%, December is the most humid month.Rainfall
In Cabo Frio, in December, during 17.3 rainfall days, 76mm (2.99") of precipitation is typically accumulated. Throughout the year, there are 173.2 rainfall days, and 733mm (28.86") of precipitation is accumulated.Sea temperature
In Cabo Frio, in December, the average water temperature is 24°C (75.2°F).Note: For someone sensitive to cold, swimming in 24°C (75.2°F) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C (77°F) and 28°C (82.4°F).)
Daylight
December has the longest days of the year, with an average of 13h and 30min of daylight.On the first day of the month, sunrise is at 04:54 and sunset at 18:20. On the last day of December, sunrise is at 05:05 and sunset at 18:36 -03.
Sunshine
The average sunshine in December in Cabo Frio is 9h.UV index
March through December, with an average maximum UV index of 6, are months with the lowest UV index in Cabo Frio. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the UV index of 6 transforms into the following advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
Frequently asked questions
What are the temperatures in Cabo Frio in December?
What is the most humid month in Cabo Frio?
What is the average humidity in December in Cabo Frio?
How many days does it rain in December in Cabo Frio?
How warm is the water in December in Cabo Frio?
When are the longest days in Cabo Frio?
What is the average length of the day in December in Cabo Frio?
What time are sunrise and sunset in December in Cabo Frio?
How long on average sun shines in December in Cabo Frio?
What is the month with the lowest UV index in Cabo Frio?
How high is the UV index in December in Cabo Frio?
Average temperature in December
Cabo Frio, Brazil
- Average high temperature in December: 26.5°C
The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is August (23.2°C).
- Average low temperature in December: 23.7°C
The month with the highest average low temperature is February (24.6°C).
The coldest month (with the lowest average low temperature) is August (19.8°C).
Average pressure in December
Cabo Frio, Brazil
- Average pressure in December: 1011.8mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1011.8mbar).
Average wind speed in December
Cabo Frio, Brazil
- Average wind speed in December: 18.2km/h
The windiest month (with the highest average wind speed) is September (22.8km/h).
The calmest month (with the lowest average wind speed) is March (15.2km/h).
Average humidity in December
Cabo Frio, Brazil
- Average humidity in December: 84%
The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are May, July and August (78%).
Average rainfall in December
Cabo Frio, Brazil
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is November (115mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in December
Cabo Frio, Brazil
- Average rainfall days in December: 17.3 days
The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is July (10.2 days).
Average sea temperature in December
Cabo Frio, Brazil
- Average sea temperature in December: 24°C
The best month for swimming (with the highest average sea temperature) is March (25.8°C).
The coldest month (with the lowest average sea temperature) is September (21.8°C).
Average daylight in December /
Average sunshine in December
Cabo Frio, Brazil
- Average daylight in December: 13h and 3min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in December: 9h and 0min
The month with the most sunshine is February (Average sunshine: 9h and 6min).
The month with the least sunshine is October (Average sunshine: 7h and 42min).
Average sunshine days in December
Cabo Frio, Brazil
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is July (18.5 days).
The month with the least sunshine days is November (8.4 days).
Average UV index in December
Cabo Frio, Brazil
- Average UV index in December: 6
The months with the highest UV index are January and February (UV index 7).
The months with the lowest UV index are March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in December
Cabo Frio, Brazil
- Average cloud cover in December: 38
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility in December
Cabo Frio, Brazil
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Cabo Frio, Brazil
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