December weather forecastAssis, Brazil
December
Weather in December
December, the first month of the summer in Assis, is still a warm month, with an average temperature fluctuating between 19.6°C (67.3°F) and 29°C (84.2°F).Temperature
The start of December sees the average high-temperature at a still warm 29°C (84.2°F), showing little difference from November's 29.4°C (84.9°F). An average low-temperature of 19.6°C (67.3°F) marks the month of December.Heat index
The heat index value for December is estimated at a fiery hot 35°C (95°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
The average relative humidity in December in Assis is 81%.Rainfall
In Assis, in December, it is raining for 26.3 days, with typically 155mm (6.1") of accumulated precipitation. Throughout the year, in Assis, there are 198.9 rainfall days, and 1201mm (47.28") of precipitation is accumulated.Daylight
The month with the longest days in Assis is December, with an average of 13h and 30min of daylight.On the first day of December in Assis, Brazil, sunrise is at 05:28 and sunset at 18:53. On the last day of the month, sunrise is at 05:39 and sunset at 19:09 -03.
Sunshine
The average sunshine in December in Assis is 7.7h.UV index
In Assis, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 5 in December leads to these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Assis, Brazil
- Average high temperature in December: 29°C
The warmest month (with the highest average high temperature) is October (29.6°C).
The month with the lowest average high temperature is June (22.8°C).
- Average low temperature in December: 19.6°C
The months with the highest average low temperature are January and February (19.8°C).
The coldest month (with the lowest average low temperature) is June (13.8°C).
Average pressure in December
Assis, Brazil
- Average pressure in December: 1010.4mbar
The month with the highest atmospheric pressure is July (1018.7mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).
Average wind speed in December
Assis, Brazil
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is August (11.1km/h).
The calmest month (with the lowest average wind speed) is February (8km/h).
Average humidity in December
Assis, Brazil
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is September (62%).
Average rainfall in December
Assis, Brazil
- Average rainfall in December: 155mm
The wettest month (with the highest rainfall) is January (215mm).
The driest month (with the least rainfall) is July (31mm).
Average rainfall days in December
Assis, Brazil
- Average rainfall days in December: 26.3 days
The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (5.4 days).
Average daylight in December /
Average sunshine in December
Assis, Brazil
- Average daylight in December: 13h and 30min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in December: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in December
Assis, Brazil
- Average sunshine days in December: 4 days
The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is February (2.5 days).
Average UV index in December
Assis, Brazil
- Average UV index in December: 5
The months with the highest UV index are January, February, March, August, September, October and November (UV index 6).
The month with the lowest UV index is May (UV index 4).
Average cloud cover in December
Assis, Brazil
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Assis, Brazil
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and May (7km).





