December weather forecastDuque Bacelar, Brazil

December

Weather in December

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.

Frequently asked questions

In Duque Bacelar, 34.1°C (93.4°F) is the average high-temperature and 23.3°C (73.9°F) is the average low-temperature during December. In December, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 47°C (116.6°F).

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

In Duque Bacelar, Brazil, in December, it is raining for 18.7 days, with typically 84mm (3.31") of accumulated precipitation.

With an average of 12h and 24min of daylight, December has the longest days of the year in Duque Bacelar, Brazil.

The average day length in December in Duque Bacelar, Brazil, is 12h and 22min.

In December, on the first day of the month, sunrise is at 05:30 and sunset at 17:51. On the last day of the month, in Duque Bacelar, sunrise is at 05:44 and sunset at 18:05 -03.

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

The months with the highest UV index are January, April through December, with an average maximum UV index of 7.

In December, the average daily maximum UV index in Duque Bacelar is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Duque Bacelar, Brazil

  • Average high temperature in December: 34.1°C

The warmest month (with the highest average high temperature) is October (36.6°C).
The month with the lowest average high temperature is April (30.6°C).

  • Average low temperature in December: 23.3°C

The month with the highest average low temperature is November (23.8°C).
The coldest months (with the lowest average low temperature) are July and August (21.2°C).

Average pressure in December
Duque Bacelar, Brazil

  • Average pressure in December: 1009.3mbar

The month with the highest atmospheric pressure is July (1012.9mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).

Average wind speed in December
Duque Bacelar, Brazil

  • Average wind speed in December: 8.5km/h

The windiest month (with the highest average wind speed) is October (9.4km/h).
The calmest month (with the lowest average wind speed) is April (5.7km/h).

Average humidity in December
Duque Bacelar, Brazil

  • Average humidity in December: 70%

The months with the highest relative humidity are March and April (87%).
The month with the lowest relative humidity is September (58%).

Average rainfall in December
Duque Bacelar, Brazil

  • Average rainfall in December: 84mm

The wettest month (with the highest rainfall) is March (256mm).
The driest month (with the least rainfall) is September (9mm).

Average rainfall days in December
Duque Bacelar, Brazil

  • Average rainfall days in December: 18.7 days

The month with the highest number of rainy days is March (30.1 days).
The month with the least rainy days is September (6.7 days).

Average daylight in December /
Average sunshine in December
Duque Bacelar, Brazil

  • Average daylight in December: 12h and 24min

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).

  • Average sunshine in December: 8h and 36min

The month with the most sunshine is September (Average sunshine: 9h and 24min).
The month with the least sunshine is April (Average sunshine: 6h and 18min).

Average sunshine days in December
Duque Bacelar, Brazil

  • Average sunshine days in December: 10.3 days

The month with the most sunshine days is September (21.4 days).
The month with the least sunshine days is March (0.7 days).

Average UV index in December
Duque Bacelar, Brazil

  • Average UV index in December: 7

The months with the highest UV index are January, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are February and March (UV index 6).

Average cloud cover in December
Duque Bacelar, Brazil

  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 26).

Average visibility in December
Duque Bacelar, Brazil

  • Average visibility in December: 9km

The months with the highest visibility are September, October and November (10km).
The months with the lowest visibility are March and April (6km).