December weather forecastAnanás, Brazil
December
Weather in December
The first month of the summer, December, is also a hot month in Ananás, Brazil, with an average temperature varying between 22.6°C (72.7°F) and 31.9°C (89.4°F).Temperature
Ananás observes a minor difference in average high-temperatures between November's 33.5°C (92.3°F) and December's 31.9°C (89.4°F). An average low-temperature of 22.6°C (72.7°F) is expected during December.Heat index
In December, the heat index is calculated to be an extremely hot 43°C (109.4°F). Stay mindful: Heat exhaustion and heat cramps are likely. Heatstroke could follow extended physical effort.Always consider that heat index estimations are for light winds and places in the shade. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
The average relative humidity in December is 77%.Rainfall
In Ananás, in December, during 24.1 rainfall days, 100mm (3.94") of precipitation is typically accumulated. In Ananás, during the entire year, the rain falls for 208.8 days and collects up to 1007mm (39.65") of precipitation.Daylight
December has the longest days of the year, with an average of 12h and 30min of daylight.On the first day of the month, sunrise is at 05:47 and sunset at 18:15. On the last day of December, sunrise is at 06:00 and sunset at 18:30 -03.
Sunshine
In December, the average sunshine is 9.3h.UV index
The months with the highest UV index are March, May, July through October and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 7 in December interprets into the following advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ananás, Brazil
- Average high temperature in December: 31.9°C
The warmest month (with the highest average high temperature) is September (36.5°C).
The month with the lowest average high temperature is February (30.2°C).
- Average low temperature in December: 22.6°C
The month with the highest average low temperature is October (24°C).
The coldest month (with the lowest average low temperature) is July (20.6°C).
Average pressure in December
Ananás, Brazil
- Average pressure in December: 1009.9mbar
The months with the highest atmospheric pressure are June and July (1013.3mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in December
Ananás, Brazil
- Average wind speed in December: 5.8km/h
The windiest months (with the highest average wind speed) are August and September (7.9km/h).
The calmest months (with the lowest average wind speed) are February, March and April (5.1km/h).
Average humidity in December
Ananás, Brazil
- Average humidity in December: 77%
The months with the highest relative humidity are February, March and April (85%).
The months with the lowest relative humidity are August and September (46%).
Average rainfall in December
Ananás, Brazil
- Average rainfall in December: 100mm
The wettest month (with the highest rainfall) is March (172mm).
The driest month (with the least rainfall) is August (2mm).
Average rainfall days in December
Ananás, Brazil
- Average rainfall days in December: 24.1 days
The month with the highest number of rainy days is March (27.4 days).
The month with the least rainy days is August (2.4 days).
Average daylight in December /
Average sunshine in December
Ananás, Brazil
- Average daylight in December: 12h and 30min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in December: 9h and 18min
The month with the most sunshine is October (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in December
Ananás, Brazil
- Average sunshine days in December: 5.4 days
The month with the most sunshine days is August (27.2 days).
The month with the least sunshine days is February (2.4 days).
Average UV index in December
Ananás, Brazil
- Average UV index in December: 7
The months with the highest UV index are March, May, July, August, September, October and December (UV index 7).
The months with the lowest UV index are January, February, April, June and November (UV index 6).
Average cloud cover in December
Ananás, Brazil
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Ananás, Brazil
- Average visibility in December: 9km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and April (8km).
