December weather forecastSantos, Brazil
December
Weather in December
Concluding the year, December brings hot summer weather to Santos, Brazil. However, attention should be drawn to the rise in high temperatures from 24.2°C (75.6°F) in November to 26.6°C (79.9°F) in December. Also, the increase in rainfall frequency does little to dampen the vibrant festivity spirit typical of this month in Santos. The city, bustling with holiday celebrations, welcomes visitors to its sunny beaches, offering excellent sea conditions for water activities.Temperature
With December's arrival, Santos's weather records an average high-temperature of a still moderately hot 26.6°C (79.9°F), marking little difference from November's 24.2°C (75.6°F). Santos maintains a minor drop in temperature during December nights, with averages of 22.5°C (72.5°F).Humidity
In December, the average relative humidity in Santos, Brazil, is 82%.Rainfall
In Santos, in December, it is raining for 21.4 days, with typically 82mm (3.23") of accumulated precipitation. In Santos, during the entire year, the rain falls for 191.3 days and collects up to 819mm (32.24") of precipitation.Sea temperature
In December, the average sea temperature is 24.8°C (76.6°F).Note: Swimming in 24.8°C (76.6°F) waters may not appeal to those sensitive to cold. Yet, the presence of sunshine, the strength of the wind, and the air temperature can alter this experience. Some might even opt for a wetsuit for added comfort.
Daylight
The month with the longest days is December, with an average of 13h and 36min of daylight.On the first day of the month, sunrise is at 05:09 and sunset at 18:39. On the last day of December, in Santos, sunrise is at 05:20 and sunset at 18:56 -03.
Sunshine
In December, the average sunshine is 7.5h.UV index
In Santos, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: In December, an average UV index of 6 transforms into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Attention! UV radiation is markedly stronger with water and sand reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Santos, Brazil
- Average high temperature in December: 26.6°C
The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is July (22°C).
- Average low temperature in December: 22.5°C
The month with the highest average low temperature is February (23.7°C).
The coldest month (with the lowest average low temperature) is August (17.5°C).
Average pressure in December
Santos, Brazil
- Average pressure in December: 1011.7mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in December
Santos, Brazil
- Average wind speed in December: 10.7km/h
The windiest month (with the highest average wind speed) is November (11.6km/h).
The calmest month (with the lowest average wind speed) is February (9.8km/h).
Average humidity in December
Santos, Brazil
- Average humidity in December: 82%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (78%).
Average rainfall in December
Santos, Brazil
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is February (125mm).
The driest month (with the least rainfall) is August (35mm).
Average rainfall days in December
Santos, Brazil
- Average rainfall days in December: 21.4 days
The month with the highest number of rainy days is January (23.3 days).
The month with the least rainy days is August (9.1 days).
Average sea temperature in December
Santos, Brazil
- Average sea temperature in December: 24.8°C
The best month for swimming (with the highest average sea temperature) is February (27°C).
The coldest month (with the lowest average sea temperature) is September (20.7°C).
Average daylight in December /
Average sunshine in December
Santos, Brazil
- Average daylight in December: 13h and 36min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in December: 7h and 30min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in December
Santos, Brazil
- Average sunshine days in December: 6.6 days
The month with the most sunshine days is August (19.5 days).
The month with the least sunshine days is February (3.5 days).
Average UV index in December
Santos, Brazil
- Average UV index in December: 6
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May, July, August and September (UV index 5).
Average cloud cover in December
Santos, Brazil
- Average cloud cover in December: 43
The month with the most cloud cover is November (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Santos, Brazil
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
