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
Entering December, the average high-temperature is recorded at a still warm 28.8°C (83.8°F), exhibiting a minimal shift from November's 29.4°C (84.9°F). Santa Maria da Vitória's temperature in December lowers to a consistent average of 19.2°C (66.6°F) during the nights.Heat index
December's mean heat index is evaluated at a tropical 34°C (93.2°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In December, the average relative humidity is 80%.Rainfall
In December, the rain falls for 21.8 days. Throughout December, 87mm (3.43") of precipitation is accumulated. In Santa Maria da Vitória, Brazil, during the entire year, the rain falls for 154.2 days and collects up to 587mm (23.11") of precipitation.Daylight
The month with the longest days is December, with an average of 12h and 54min of daylight.On the first day of the month, sunrise is at 05:20 and sunset at 18:11. On the last day of December, sunrise is at 05:33 and sunset at 18:27 -03.
Sunshine
In Santa Maria da Vitória, the average sunshine in December is 9.5h.UV index
The months with the lowest UV index are January through July, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 during December translates into the following guidance:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Santa Maria da Vitória in December?
What is the average humidity in December?
How many days does it rain in December?
When are the longest days?
How many hours of daylight does Santa Maria da Vitória have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Santa Maria da Vitória, Brazil
- Average high temperature in December: 28.8°C
The warmest month (with the highest average high temperature) is September (33.5°C).
The months with the lowest average high temperature are April, May and June (28.6°C).
- Average low temperature in December: 19.2°C
The month with the highest average low temperature is October (20.7°C).
The coldest month (with the lowest average low temperature) is July (16°C).
Average pressure in December
Santa Maria da Vitória, Brazil
- Average pressure in December: 1011.5mbar
The month with the highest atmospheric pressure is July (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in December
Santa Maria da Vitória, Brazil
- Average wind speed in December: 5.9km/h
The windiest month (with the highest average wind speed) is September (9km/h).
The calmest month (with the lowest average wind speed) is March (5.4km/h).
Average humidity in December
Santa Maria da Vitória, Brazil
- Average humidity in December: 80%
The months with the highest relative humidity are January, February, March and April (81%).
The month with the lowest relative humidity is September (43%).
Average rainfall in December
Santa Maria da Vitória, Brazil
- Average rainfall in December: 87mm
The wettest month (with the highest rainfall) is November (115mm).
The driest months (with the least rainfall) are July and August (0mm).
Average rainfall days in December
Santa Maria da Vitória, Brazil
- Average rainfall days in December: 21.8 days
The month with the highest number of rainy days is March (22.3 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
Santa Maria da Vitória, Brazil
- Average daylight in December: 12h and 5min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in December: 9h and 3min
The month with the most sunshine is February (Average sunshine: 10h and 0min).
The month with the least sunshine is April (Average sunshine: 6h and 12min).
Average sunshine days in December
Santa Maria da Vitória, Brazil
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is February (5.7 days).
Average UV index in December
Santa Maria da Vitória, Brazil
- Average UV index in December: 6
The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, October, November and December (UV index 6).
Average cloud cover in December
Santa Maria da Vitória, Brazil
- Average cloud cover in December: 42
The months with the most cloud cover are March, April and November (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 13).
Average visibility in December
Santa Maria da Vitória, Brazil
- Average visibility in December: 8km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (8km).
