December weather forecastLaguna, Brazil
December
Weather in December
December, the first month of the summer in Laguna, is also a moderately hot month, with an average temperature varying between 26.1°C (79°F) and 20.6°C (69.1°F).Temperature
In the transition from November to December, Laguna reports an average high-temperature of a still warm 26.1°C (79°F), indicating a close resemblance to the prior month. The average low-temperature in Laguna during December nights is a pleasant 20.6°C (69.1°F).Humidity
The average relative humidity in December is 80%.Rainfall
In Laguna, during December, the rain falls for 13.7 days and regularly aggregates up to 47mm (1.85") of precipitation. In Laguna, during the entire year, the rain falls for 160.9 days and collects up to 557mm (21.93") of precipitation.Sea temperature
In December, the average sea temperature is 23.8°C (74.8°F).Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.8°C (74.8°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)
Daylight
The month with the longest days is December, with an average of 13h and 54min of daylight.On the first day of December in Laguna, Brazil, sunrise is at 05:09 and sunset at 18:59. On the last day of the month, sunrise is at 05:20 and sunset at 19:16 -03.
Sunshine
In Laguna, the average sunshine in December is 7.9h.UV index
December is the month with the highest UV index in Laguna, Brazil, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 7 in December translates into this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take caution! The UV rays from the Sun gain strength from sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Laguna, Brazil
- Average high temperature in December: 26.1°C
The warmest month (with the highest average high temperature) is February (27.5°C).
The month with the lowest average high temperature is July (18.9°C).
- Average low temperature in December: 20.6°C
The month with the highest average low temperature is February (22.2°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).
Average pressure in December
Laguna, Brazil
- Average pressure in December: 1012.1mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in December
Laguna, Brazil
- Average wind speed in December: 15.5km/h
The windiest month (with the highest average wind speed) is November (17.6km/h).
The calmest months (with the lowest average wind speed) are January and March (13.6km/h).
Average humidity in December
Laguna, Brazil
- Average humidity in December: 80%
The months with the highest relative humidity are September and October (82%).
The months with the lowest relative humidity are April and November (79%).
Average rainfall in December
Laguna, Brazil
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is January (63mm).
The driest month (with the least rainfall) is November (32mm).
Average rainfall days in December
Laguna, Brazil
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is June (10 days).
Average sea temperature in December
Laguna, Brazil
- Average sea temperature in December: 23.8°C
The best months for swimming (with the highest average sea temperature) are January and February (25.7°C).
The coldest month (with the lowest average sea temperature) is August (18.2°C).
Average daylight in December /
Average sunshine in December
Laguna, Brazil
- Average daylight in December: 13h and 54min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in December: 7h and 54min
The month with the most sunshine is February (Average sunshine: 8h and 0min).
The month with the least sunshine is September (Average sunshine: 7h and 12min).
Average sunshine days in December
Laguna, Brazil
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is June (18.8 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in December
Laguna, Brazil
- Average UV index in December: 7
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September and November (UV index 5).
Average cloud cover in December
Laguna, Brazil
- Average cloud cover in December: 41
The month with the most cloud cover is October (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 34).
Average visibility in December
Laguna, 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).





