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
The weather during December records an average high-temperature of a still warm 26.5°C (79.7°F), closely mirroring the preceding month. São Francisco do Sul records an average nighttime low of 19.3°C (66.7°F) in December.Humidity
In São Francisco do Sul, the average relative humidity in December is 86%.Rainfall
In December, in São Francisco do Sul, the rain falls for 23.9 days. Throughout December, 114mm (4.49") of precipitation is accumulated. In São Francisco do Sul, during the entire year, the rain falls for 232.1 days and collects up to 1150mm (45.28") of precipitation.Sea temperature
In São Francisco do Sul, in December, the average water temperature is 24.7°C (76.5°F).Note: If someone is sensitive to cold, the enjoyment of swimming in 24.7°C (76.5°F) water hinges on factors like sunshine, wind, and the current air temperature. (For context: Olympic swimming competitions are held in water temperatures of 25°C (77°F) to 28°C (82.4°F).)
Daylight
With an average of 13h and 48min of daylight, December has the longest days of the year in São Francisco do Sul, Brazil.On the first day of the month, sunrise is at 05:13 and sunset at 18:53. On the last day of December, in São Francisco do Sul, sunrise is at 05:25 and sunset at 19:10 -03.
Sunshine
In São Francisco do Sul, the average sunshine in December is 6.6h.UV index
January, March and December, with an average maximum UV index of 6, are months with the highest UV index in São Francisco do Sul. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 6 in December translates into this advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be on guard! The reflective nature of sand and water boosts UV exposure.
Frequently asked questions
What are December temperatures in São Francisco do Sul?
What is the average humidity in December in São Francisco do Sul?
How much does it rain in São Francisco do Sul in December?
How warm is the water in December in São Francisco do Sul?
When are the longest days in São Francisco do Sul?
How many hours of daylight does São Francisco do Sul have in December?
What time are sunrise and sunset in December in São Francisco do Sul?
How long on average sun shines in December in São Francisco do Sul?
What is the month with the highest UV index in São Francisco do Sul?
What is the UV index intensity in December in São Francisco do Sul?
Average temperature in December
São Francisco do Sul, Brazil
- Average high temperature in December: 26.5°C
The warmest month (with the highest average high temperature) is January (27.5°C).
The month with the lowest average high temperature is July (19.8°C).
- Average low temperature in December: 19.3°C
The months with the highest average low temperature are January and February (20.3°C).
The coldest month (with the lowest average low temperature) is July (12.9°C).
Average pressure in December
São Francisco do Sul, Brazil
- Average pressure in December: 1012.2mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1012.2mbar).
Average wind speed in December
São Francisco do Sul, Brazil
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is November (8.2km/h).
The calmest month (with the lowest average wind speed) is June (6.8km/h).
Average humidity in December
São Francisco do Sul, Brazil
- Average humidity in December: 86%
The months with the highest relative humidity are February, March, May, September and October (87%).
The month with the lowest relative humidity is August (85%).
Average rainfall in December
São Francisco do Sul, Brazil
- Average rainfall in December: 114mm
The wettest month (with the highest rainfall) is February (135mm).
The driest month (with the least rainfall) is August (64mm).
Average rainfall days in December
São Francisco do Sul, Brazil
- Average rainfall days in December: 23.9 days
The months with the highest number of rainy days are January and December (23.9 days).
The month with the least rainy days is August (14.7 days).
Average sea temperature in December
São Francisco do Sul, Brazil
- Average sea temperature in December: 24.7°C
The best month for swimming (with the highest average sea temperature) is February (26.6°C).
The coldest months (with the lowest average sea temperature) are July, August and September (18.8°C).
Average daylight in December /
Average sunshine in December
São Francisco do Sul, Brazil
- Average daylight in December: 13h and 5min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is April (Average sunshine: 7h and 12min).
The month with the least sunshine is October (Average sunshine: 5h and 54min).
Average sunshine days in December
São Francisco do Sul, Brazil
- Average sunshine days in December: 5.7 days
The month with the most sunshine days is August (13 days).
The month with the least sunshine days is February (5.2 days).
Average UV index in December
São Francisco do Sul, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, March and December (UV index 6).
The month with the lowest UV index is July (UV index 4).
Average cloud cover in December
São Francisco do Sul, Brazil
- Average cloud cover in December: 58
The month with the most cloud cover is October (Cloud cover 61).
The months with the least cloud cover are June, July and August (Cloud cover 45).
Average visibility in December
São Francisco do Sul, Brazil
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
São Francisco do Sul, Brazil
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