December weather forecastMarataízes, Brazil
December
Weather in December
The first month of the summer, December, is still a warm month in Marataízes, Brazil, with an average temperature fluctuating between 28.7°C (83.7°F) and 22.7°C (72.9°F).Temperature
December commences with an average high-temperature of a still warm 28.7°C (83.7°F), showing little deviation from November's 27.2°C (81°F). In December, the recorded average low-temperature is an agreeable 22.7°C (72.9°F).Heat index
During December, the heat index is evaluated at a hot 34°C (93.2°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
The months with the highest humidity are April, November and December, with an average relative humidity of 81%.Rainfall
In Marataízes, in December, it is raining for 17.6 days, with typically 101mm (3.98") of accumulated precipitation. Throughout the year, in Marataízes, there are 164.4 rainfall days, and 657mm (25.87") of precipitation is accumulated.Sea temperature
In December, the average sea temperature is 24.6°C (76.3°F).Note: Swimming in 24.6°C (76.3°F) waters may not appeal to those sensitive to cold. Yet, the presence of sunshine, the strength of the wind, and the air temperature can alter this experience. Some might even opt for a wetsuit for added comfort.
Daylight
With an average of 13h and 24min of daylight, December has the longest days of the year in Marataízes.On the first day of December in Marataízes, sunrise is at 04:52 and sunset at 18:12. On the last day of the month, sunrise is at 05:04 and sunset at 18:28 -03.
Sunshine
The average sunshine in December is 9.2h.UV index
March through December, with an average maximum UV index of 6, are months with the lowest UV index in Marataízes. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 6 during December, leads to the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Notice! Sand and water reflections contribute to a stronger UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Marataízes, Brazil
- Average high temperature in December: 28.7°C
The warmest month (with the highest average high temperature) is February (30.2°C).
The month with the lowest average high temperature is July (24.9°C).
- Average low temperature in December: 22.7°C
The month with the highest average low temperature is February (23.3°C).
The coldest month (with the lowest average low temperature) is July (18.8°C).
Average pressure in December
Marataízes, Brazil
- Average pressure in December: 1012.6mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is December (1012.6mbar).
Average wind speed in December
Marataízes, Brazil
- Average wind speed in December: 13.5km/h
The windiest months (with the highest average wind speed) are September and October (15.9km/h).
The calmest month (with the lowest average wind speed) is May (10.1km/h).
Average humidity in December
Marataízes, Brazil
- Average humidity in December: 81%
The months with the highest relative humidity are April, November and December (81%).
The months with the lowest relative humidity are August and September (75%).
Average rainfall in December
Marataízes, Brazil
- Average rainfall in December: 101mm
The wettest month (with the highest rainfall) is November (128mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in December
Marataízes, Brazil
- Average rainfall days in December: 17.6 days
The month with the highest number of rainy days is November (19.6 days).
The month with the least rainy days is February (9.5 days).
Average sea temperature in December
Marataízes, Brazil
- Average sea temperature in December: 24.6°C
The best month for swimming (with the highest average sea temperature) is March (26.1°C).
The coldest month (with the lowest average sea temperature) is September (22.8°C).
Average daylight in December /
Average sunshine in December
Marataízes, Brazil
- Average daylight in December: 13h and 24min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 9h and 12min
The month with the most sunshine is February (Average sunshine: 9h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 24min).
Average sunshine days in December
Marataízes, Brazil
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is January (18.6 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in December
Marataízes, Brazil
- Average UV index in December: 6
The months with the highest UV index are January and February (UV index 7).
The months with the lowest UV index are March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in December
Marataízes, Brazil
- Average cloud cover in December: 37
The month with the most cloud cover is November (Cloud cover 47).
The month with the least cloud cover is February (Cloud cover 24).
Average visibility in December
Marataízes, Brazil
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
