December weather forecastItamari, Brazil
December
Weather in December
The first month of the summer, December, is a hot month in Itamari, Brazil, with an average temperature fluctuating between 30.4°C (86.7°F) and 19.5°C (67.1°F).Temperature
December registers an average high-temperature of a tropical 30.4°C (86.7°F), slightly varied from November's 29.1°C (84.4°F). During December, Itamari witnesses a consistent average low-temperature of 19.5°C (67.1°F).Heat index
The heat index value for December is estimated at a blistering 40°C (104°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, 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 significant for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
The average relative humidity in December is 82%.Rainfall
In Itamari, during December, the rain falls for 19 days and regularly aggregates up to 55mm (2.17") of precipitation. Throughout the year, there are 241.8 rainfall days, and 524mm (20.63") of precipitation is accumulated.Daylight
December has the longest days of the year in Itamari, Brazil, with an average of 12h and 54min of daylight.On the first day of December in Itamari, sunrise is at 05:01 and sunset at 17:54. On the last day of the month, sunrise is at 05:14 and sunset at 18:09 -03.
Sunshine
In Itamari, the average sunshine in December is 7.5h.UV index
The months with the highest UV index are January through May, September through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 6 suggests these recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Itamari, Brazil
- Average high temperature in December: 30.4°C
The warmest months (with the highest average high temperature) are February and March (30.8°C).
The month with the lowest average high temperature is July (25.6°C).
- Average low temperature in December: 19.5°C
The month with the highest average low temperature is March (19.8°C).
The coldest month (with the lowest average low temperature) is August (16.3°C).
Average pressure in December
Itamari, Brazil
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is July (1019.4mbar).
The month with the lowest atmospheric pressure is December (1013mbar).
Average wind speed in December
Itamari, Brazil
- Average wind speed in December: 6.7km/h
The windiest month (with the highest average wind speed) is October (7.3km/h).
The calmest month (with the lowest average wind speed) is April (6km/h).
Average humidity in December
Itamari, Brazil
- Average humidity in December: 82%
The months with the highest relative humidity are June and July (87%).
The month with the lowest relative humidity is February (81%).
Average rainfall in December
Itamari, Brazil
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is March (69mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in December
Itamari, Brazil
- Average rainfall days in December: 19 days
The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is February (16.2 days).
Average daylight in December /
Average sunshine in December
Itamari, Brazil
- Average daylight in December: 12h and 54min
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 18min).
- Average sunshine in December: 7h and 30min
The months with the most sunshine are January and February (Average sunshine: 8h and 6min).
The months with the least sunshine are June and July (Average sunshine: 4h and 42min).
Average sunshine days in December
Itamari, Brazil
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is January (8.3 days).
The month with the least sunshine days is July (4.3 days).
Average UV index in December
Itamari, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 5).
Average cloud cover in December
Itamari, Brazil
- Average cloud cover in December: 65
The months with the most cloud cover are May, June and July (Cloud cover 72).
The months with the least cloud cover are January and February (Cloud cover 63).
Average visibility in December
Itamari, Brazil
- Average visibility in December: 6km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6km).
The month with the lowest visibility is July (5km).
