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's arrival in Brasil brings an average high-temperature of a still warm 27.7°C (81.9°F), slightly deviating from November's 28.6°C (83.5°F). Nighttime temperatures hover around an average low of 26.7°C (80.1°F) in December, a slight descent from daytime highs.Heat index
December's mean heat index is computed to be a hot 31°C (87.8°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In Brasil, the average relative humidity in December is 79%.Rainfall
In December, in Brasil, the rain falls for 22.6 days. Throughout December, 55mm (2.17") of precipitation is accumulated. Throughout the year, in Brasil, Aruba, there are 184.2 rainfall days, and 472mm (18.58") of precipitation is accumulated.Daylight
With an average of 11h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:45 and sunset at 18:12. On the last day of December, in Brasil, sunrise is at 07:00 and sunset at 18:25 AST.
Sunshine
The month with the least sunshine is December, with an average of 8.2h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Brasil are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 7 during December translates into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Brasil in December?
What is the average humidity in December in Brasil?
How much does it rain in Brasil in December?
What is the month with the shortest days in Brasil?
What is the average length of the day in December in Brasil?
What time are sunrise and sunset in December in Brasil?
What is the month with the least sunshine in Brasil?
How long on average sun shines in December in Brasil?
What are the months with the highest UV index in Brasil?
When is the lowest UV index in Brasil?
What is the UV index reading in December in Brasil?
Average temperature in December
Brasil, Aruba
- Average high temperature in December: 27.7°C
The warmest month (with the highest average high temperature) is September (29°C).
The month with the lowest average high temperature is February (26.4°C).
- Average low temperature in December: 26.7°C
The month with the highest average low temperature is September (28.3°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).
Average pressure in December
Brasil, Aruba
- Average pressure in December: 1011.4mbar
The month with the highest atmospheric pressure is January (1012.6mbar).
The month with the lowest atmospheric pressure is October (1009.6mbar).
Average wind speed in December
Brasil, Aruba
- Average wind speed in December: 32.4km/h
The windiest month (with the highest average wind speed) is June (37.5km/h).
The calmest month (with the lowest average wind speed) is November (26.1km/h).
Average humidity in December
Brasil, Aruba
- Average humidity in December: 79%
The month with the highest relative humidity is May (83%).
The month with the lowest relative humidity is November (78%).
Average rainfall in December
Brasil, Aruba
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is October (110mm).
The driest month (with the least rainfall) is June (15mm).
Average rainfall days in December
Brasil, Aruba
- Average rainfall days in December: 22.6 days
The month with the highest number of rainy days is November (23.9 days).
The month with the least rainy days is June (10.6 days).
Average daylight in December /
Average sunshine in December
Brasil, Aruba
- Average daylight in December: 11h and 2min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in December: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 8h and 12min).
Average sunshine days in December
Brasil, Aruba
- Average sunshine days in December: 3.3 days
The month with the most sunshine days is August (14.8 days).
The month with the least sunshine days is November (2.1 days).
Average UV index in December
Brasil, Aruba
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
Brasil, Aruba
- Average cloud cover in December: 41
The months with the most cloud cover are March and November (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 26).
Average visibility in December
Brasil, Aruba
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Brasil, Aruba
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