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
Weather in December
Temperature
December denotes a minimal variation in the average high-temperature to a still warm 29°C (84.2°F) from November's 29.5°C (85.1°F). Nighttime temperature dips to a mean of 19.5°C (67.1°F) during December.Heat index
Throughout December, the heat index is appraised at a tropical 34°C (93.2°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.Understand that the heat index values take into account shaded locations and mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The average relative humidity in December is 75%.Rainfall
In December, the rain falls for 17.4 days. Throughout December, 99mm (3.9") of precipitation is accumulated. Throughout the year, there are 127.4 rainfall days, and 611mm (24.06") of precipitation is accumulated.Daylight
With an average of 13h and 0min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:10 and sunset at 18:07. On the last day of December, in Jacaraci, sunrise is at 05:23 and sunset at 18:22 -03.
Sunshine
In Jacaraci, the average sunshine in December is 10h.UV index
The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during December translates into these guidelines:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. 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. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Jacaraci in December?
What is the average humidity in December in Jacaraci?
How much does it rain in Jacaraci in December?
When are the longest days in Jacaraci?
What is the average length of the day in December in Jacaraci?
When are sunrise and sunset in December in Jacaraci?
How long on average sun shines in December in Jacaraci?
What are the months with the lowest UV index in Jacaraci?
What is the UV index reading in December in Jacaraci?
Average temperature in December
Jacaraci, Brazil
- Average high temperature in December: 29°C
The warmest month (with the highest average high temperature) is October (31.5°C).
The months with the lowest average high temperature are June and July (27.3°C).
- Average low temperature in December: 19.5°C
The month with the highest average low temperature is November (19.9°C).
The coldest month (with the lowest average low temperature) is July (16.3°C).
Average pressure in December
Jacaraci, Brazil
- Average pressure in December: 1012.4mbar
The month with the highest atmospheric pressure is July (1018.6mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in December
Jacaraci, Brazil
- Average wind speed in December: 9.5km/h
The windiest month (with the highest average wind speed) is August (14.4km/h).
The calmest month (with the lowest average wind speed) is March (8.9km/h).
Average humidity in December
Jacaraci, Brazil
- Average humidity in December: 75%
The months with the highest relative humidity are January, March and April (76%).
The month with the lowest relative humidity is September (54%).
Average rainfall in December
Jacaraci, Brazil
- Average rainfall in December: 99mm
The wettest month (with the highest rainfall) is November (124mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in December
Jacaraci, Brazil
- Average rainfall days in December: 17.4 days
The months with the highest number of rainy days are March and November (19.3 days).
The month with the least rainy days is August (0.9 days).
Average daylight in December /
Average sunshine in December
Jacaraci, Brazil
- Average daylight in December: 13h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in December: 10h and 0min
The month with the most sunshine is February (Average sunshine: 10h and 24min).
The month with the least sunshine is May (Average sunshine: 7h and 6min).
Average sunshine days in December
Jacaraci, Brazil
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is November (9.4 days).
Average UV index in December
Jacaraci, Brazil
- Average UV index in December: 6
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover in December
Jacaraci, Brazil
- Average cloud cover in December: 37
The month with the most cloud cover is November (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in December
Jacaraci, Brazil
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
Jacaraci, Brazil
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