December weather forecastBlumenau, Brazil
December
Weather in December
December, the first month of the summer in Blumenau, is also a moderately hot month, with an average temperature ranging between max 27.9°C (82.2°F) and min 18.1°C (64.6°F).Temperature
December denotes a minimal variation in the average high-temperature to a still moderately hot 27.9°C (82.2°F) from November's 25.4°C (77.7°F). In the month of December, an average of 18.1°C (64.6°F) marks the low-temperature in Blumenau.Heat index
The heat index value during December is estimated at a hot 33°C (91.4°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Heat index determinations are made taking into account the shade and light air movements. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
December is the least humid month in Blumenau, Brazil, with an average relative humidity of 86%.Rainfall
In Blumenau, in December, during 21.7 rainfall days, 106mm (4.17") of precipitation is typically accumulated. Throughout the year, in Blumenau, there are 215.8 rainfall days, and 1097mm (43.19") of precipitation is accumulated.Daylight
The month with the longest days in Blumenau, Brazil, is December, with an average of 13h and 48min of daylight.On the first day of the month, sunrise is at 05:14 and sunset at 18:56. On the last day of December, sunrise is at 05:25 and sunset at 19:13 -03.
Sunshine
In December, the average sunshine in Blumenau, Brazil, is 6.1h.UV index
The average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 during December translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Blumenau, Brazil
- Average high temperature in December: 27.9°C
The warmest month (with the highest average high temperature) is January (28.3°C).
The month with the lowest average high temperature is July (20°C).
- Average low temperature in December: 18.1°C
The month with the highest average low temperature is January (18.9°C).
The coldest month (with the lowest average low temperature) is July (10.9°C).
Average pressure in December
Blumenau, Brazil
- Average pressure in December: 1012.3mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1012.3mbar).
Average wind speed in December
Blumenau, Brazil
- Average wind speed in December: 6.1km/h
The windiest month (with the highest average wind speed) is November (6.3km/h).
The calmest months (with the lowest average wind speed) are May, June and July (5.3km/h).
Average humidity in December
Blumenau, Brazil
- Average humidity in December: 86%
The months with the highest relative humidity are March and May (89%).
The month with the lowest relative humidity is December (86%).
Average rainfall in December
Blumenau, Brazil
- Average rainfall in December: 106mm
The wettest month (with the highest rainfall) is January (150mm).
The driest month (with the least rainfall) is August (56mm).
Average rainfall days in December
Blumenau, Brazil
- Average rainfall days in December: 21.7 days
The month with the highest number of rainy days is January (23.4 days).
The month with the least rainy days is June (13.2 days).
Average daylight in December /
Average sunshine in December
Blumenau, Brazil
- Average daylight in December: 13h and 48min
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 6min
The month with the most sunshine is April (Average sunshine: 6h and 42min).
The month with the least sunshine is October (Average sunshine: 5h and 18min).
Average sunshine days in December
Blumenau, Brazil
- Average sunshine days in December: 6.6 days
The month with the most sunshine days is June (14.2 days).
The month with the least sunshine days is February (4.3 days).
Average UV index in December
Blumenau, Brazil
- Average UV index in December: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are May, July and September (UV index 4).
Average cloud cover in December
Blumenau, Brazil
- Average cloud cover in December: 68
The month with the most cloud cover is October (Cloud cover 70).
The months with the least cloud cover are June and July (Cloud cover 56).
Average visibility in December
Blumenau, Brazil
- Average visibility in December: 6km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6km).
