December weather forecastCapão da Canoa, Brazil
December
Weather in December
The first month of the summer, December, is still a warm month in Capão da Canoa, Brazil, with an average temperature fluctuating between 27.4°C (81.3°F) and 17.9°C (64.2°F).Temperature
The unfolding of December shows an average high-temperature of a still moderately hot 27.4°C (81.3°F), indicating a slight variance from November's 25.1°C (77.2°F). During December, Capão da Canoa records a consistent average nighttime temperature of 17.9°C (64.2°F).Heat index
The heat index value during December is estimated at a hot 30°C (86°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The least humid month is December, with an average relative humidity of 77%.Rainfall
In Capão da Canoa, during December, the rain falls for 16.6 days and regularly aggregates up to 83mm (3.27") of precipitation. Throughout the year, there are 179 rainfall days, and 920mm (36.22") of precipitation is accumulated.Sea temperature
In December, the average sea temperature is 22.9°C (73.2°F).Note: When thinking about a swim in 22.9°C (73.2°F) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 25°C (77°F) to 28°C (82.4°F).
Daylight
The month with the longest days is December, with an average of 14h and 0min of daylight.On the first day of the month, sunrise is at 05:11 and sunset at 19:07. On the last day of December, sunrise is at 05:22 and sunset at 19:24 -03.
Sunshine
November and December, with an average of 8.3h of sunshine, are months with the most sunshine in Capão da Canoa.UV index
The months with the highest UV index are January, February, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 6 during December translates into the following directions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Capão da Canoa, Brazil
- Average high temperature in December: 27.4°C
The warmest months (with the highest average high temperature) are January and February (28.3°C).
The month with the lowest average high temperature is July (17.8°C).
- Average low temperature in December: 17.9°C
The month with the highest average low temperature is January (19°C).
The coldest month (with the lowest average low temperature) is July (10.2°C).
Average pressure in December
Capão da Canoa, Brazil
- Average pressure in December: 1011.6mbar
The month with the highest atmospheric pressure is July (1019.7mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).
Average wind speed in December
Capão da Canoa, Brazil
- Average wind speed in December: 11.1km/h
The windiest month (with the highest average wind speed) is September (11.5km/h).
The calmest month (with the lowest average wind speed) is May (9.8km/h).
Average humidity in December
Capão da Canoa, Brazil
- Average humidity in December: 77%
The months with the highest relative humidity are May, June, July and September (83%).
The month with the lowest relative humidity is December (77%).
Average rainfall in December
Capão da Canoa, Brazil
- Average rainfall in December: 83mm
The wettest month (with the highest rainfall) is July (112mm).
The driest month (with the least rainfall) is April (51mm).
Average rainfall days in December
Capão da Canoa, Brazil
- Average rainfall days in December: 16.6 days
The month with the highest number of rainy days is January (19.8 days).
The month with the least rainy days is June (10.8 days).
Average sea temperature in December
Capão da Canoa, Brazil
- Average sea temperature in December: 22.9°C
The best month for swimming (with the highest average sea temperature) is January (24.9°C).
The coldest month (with the lowest average sea temperature) is August (16.2°C).
Average daylight in December /
Average sunshine in December
Capão da Canoa, Brazil
- Average daylight in December: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in December: 8h and 18min
The months with the most sunshine are November and December (Average sunshine: 8h and 18min).
The month with the least sunshine is May (Average sunshine: 7h and 6min).
Average sunshine days in December
Capão da Canoa, Brazil
- Average sunshine days in December: 12 days
The month with the most sunshine days is June (17.2 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in December
Capão da Canoa, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in December
Capão da Canoa, Brazil
- Average cloud cover in December: 35
The month with the most cloud cover is October (Cloud cover 41).
The month with the least cloud cover is November (Cloud cover 33).
Average visibility in December
Capão da Canoa, Brazil
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, June, July, August, September, November and December (9km).
The months with the lowest visibility are May and October (8km).
