Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The advent of December presents an average high-temperature of a still warm 28.5°C (83.3°F), maintaining a close correlation with the preceding month. Sepetiba in December anticipates an average nighttime temperature of 22.6°C (72.7°F).Heat index
December's mean heat index is evaluated at a tropical 34°C (93.2°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.In reference to the heat index, it's for places in shade and with a slight wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The average relative humidity in December is 82%.Rainfall
In Sepetiba, in December, it is raining for 20.3 days, with typically 104mm (4.09") of accumulated precipitation. Throughout the year, there are 194 rainfall days, and 879mm (34.61") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 13h and 30min of daylight.On the first day of December, sunrise is at 05:00 and sunset at 18:27. On the last day of the month, sunrise is at 05:12 and sunset at 18:43 -03.
Sunshine
In December, the average sunshine is 7.8h.UV index
The months with the highest UV index in Sepetiba, Brazil, are January and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 7 in December translates into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. 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. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Sepetiba in December?
What is the average humidity in December in Sepetiba?
How much does it rain in Sepetiba in December?
When are the longest days in Sepetiba?
What is the average length of the day in December in Sepetiba?
When is the sunrise / sunset in December in Sepetiba?
How many hours of sunshine does Sepetiba have in December?
What are the months with the highest UV index in Sepetiba?
What is the UV index reading in December in Sepetiba?
Average temperature in December
Sepetiba, Brazil
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is February (30.3°C).
The month with the lowest average high temperature is July (24.2°C).
- Average low temperature in December: 22.6°C
The month with the highest average low temperature is January (23.3°C).
The coldest month (with the lowest average low temperature) is August (17.9°C).
Average pressure in December
Sepetiba, Brazil
- Average pressure in December: 1011.9mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in December
Sepetiba, Brazil
- Average wind speed in December: 9.1km/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 March (8.4km/h).
Average humidity in December
Sepetiba, Brazil
- Average humidity in December: 82%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is August (78%).
Average rainfall in December
Sepetiba, Brazil
- Average rainfall in December: 104mm
The wettest month (with the highest rainfall) is November (123mm).
The driest month (with the least rainfall) is June (33mm).
Average rainfall days in December
Sepetiba, Brazil
- Average rainfall days in December: 20.3 days
The month with the highest number of rainy days is March (21.8 days).
The months with the least rainy days are June and July (10.3 days).
Average daylight in December /
Average sunshine in December
Sepetiba, Brazil
- Average daylight in December: 13h and 3min
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 42min).
- Average sunshine in December: 7h and 5min
The month with the most sunshine is February (Average sunshine: 8h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in December
Sepetiba, Brazil
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is July (19.3 days).
The month with the least sunshine days is March (6.8 days).
Average UV index in December
Sepetiba, Brazil
- Average UV index in December: 7
The months with the highest UV index are January and December (UV index 7).
The month with the lowest UV index is September (UV index 5).
Average cloud cover in December
Sepetiba, Brazil
- Average cloud cover in December: 43
The month with the most cloud cover is November (Cloud cover 50).
The month with the least cloud cover is February (Cloud cover 31).
Average visibility in December
Sepetiba, Brazil
- Average visibility in December: 9km
The months with the highest visibility are February, May, June and August (10km).
The months with the lowest visibility are January, March, April, July, September, October, November and December (9km).
