December weather forecast
Laguna, Brazil

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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.
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Frequently asked questions

What are December temperatures in Laguna?

December temperatures vary between a high-temperature of 26.1°C (79°F) and a low-temperature of 20.6°C (69.1°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in February is estimated at 31°C (87.8°F).

What is the average humidity in December in Laguna?

The average relative humidity in December in Laguna, Brazil, is 80%.

How many days does it rain in December in Laguna?

In Laguna, in December, during 13.7 rainfall days, 47mm (1.85") of precipitation is typically accumulated.

How warm is the water in December in Laguna?

In December, the average sea temperature is 23.8°C (74.8°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23.8°C (74.8°F).

When are the longest days in Laguna?

December has the longest days of the year in Laguna, with an average of 13h and 54min of daylight.

How many hours of daylight does Laguna have in December?

The average day length in December is 13h and 55min.

What time are sunrise and sunset in December in Laguna?

In December, on the first day of the month, sunrise is at 05:09 and sunset at 18:59. On the last day of the month, in Laguna, sunrise is at 05:20 and sunset at 19:16 -03.

How long on average sun shines in December in Laguna?

The average sunshine duration in December in Laguna is 7.9h.

What is the month with the highest UV index in Laguna?

With an average maximum UV index of 7, December is the month with the highest UV index in Laguna, Brazil.

What is the UV index intensity in December in Laguna?

In Laguna, Brazil, the average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.

Average temperature in December
Laguna, Brazil

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).

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Average pressure in December
Laguna, Brazil

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).

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Average wind speed in December
Laguna, Brazil

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).

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Average humidity in December
Laguna, Brazil

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%).

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Average rainfall in December
Laguna, Brazil

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).

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Average rainfall days in December
Laguna, Brazil

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).

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Average sea temperature in December
Laguna, Brazil

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).

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Average daylight in December /
Average sunshine in December
Laguna, Brazil

Average daylight in December / Average sunshine in December - Laguna, Brazil
  • Average daylight in December: 13h and 5min

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 5min

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).

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Average sunshine days in December
Laguna, Brazil

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).

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Average UV index in December
Laguna, Brazil

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).

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Average cloud cover in December
Laguna, Brazil

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).

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Average visibility in December
Laguna, Brazil

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).

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Laguna, Brazil

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