December weather forecast
Duque Bacelar, Brazil

The first month of the summer, December, is still a hot month in Duque Bacelar, Brazil, with an average temperature ranging between min 23.3°C (73.9°F) and max 34.1°C (93.4°F).

Temperature

With the onset of December, the average high-temperature registers at a hot 34.1°C (93.4°F), subtly different from November's 35.7°C (96.3°F). An average low-temperature of 23.3°C (73.9°F) is common in Duque Bacelar during the nights of December.

Heat index

December's mean heat index is estimated at a life-threatening hot 47°C (116.6°F). Take caution: Heat exhaustion and heat cramps are probable. Heatstroke may be imminent with ongoing effort.
Research indicates the heat index considers values in shaded locales and with light winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In Duque Bacelar, the average relative humidity in December is 70%.

Rainfall

In Duque Bacelar, in December, it is raining for 18.7 days, with typically 84mm (3.31") of accumulated precipitation. In Duque Bacelar, during the entire year, the rain falls for 225.7 days and collects up to 1213mm (47.76") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 24min of daylight.
On the first day of the month, sunrise is at 05:30 and sunset at 17:51. On the last day of December, sunrise is at 05:44 and sunset at 18:05 -03.

Sunshine

In Duque Bacelar, Brazil, the average sunshine in December is 8.6h.

UV index

January, April through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, an average UV index of 7 transforms into the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.