December weather forecastAndré Siqueira, Brazil

December

Weather in December

The first month of the summer, December, is also a hot month in André Siqueira, Brazil, with an average temperature fluctuating between 30°C (86°F) and 22°C (71.6°F).

Temperature

The start of December marks an average high-temperature of a still tropical 30°C (86°F), hardly distinguishable from the conditions in November. André Siqueira experiences a nighttime temperature average of 22°C (71.6°F) during December.

Heat index

The heat index for December is calculated to be a fiery hot 38°C (100.4°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', quantifies the warmth felt when relative humidity is considered. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In André Siqueira, the average relative humidity in December is 81%.

Rainfall

In André Siqueira, during December, the rain falls for 28.7 days and regularly aggregates up to 168mm (6.61") of precipitation. In André Siqueira, Brazil, during the entire year, the rain falls for 209.6 days and collects up to 1250mm (49.21") of precipitation.

Daylight

With an average of 12h and 48min of daylight, December has the longest days of the year in André Siqueira.
On the first day of December, sunrise is at 05:42 and sunset at 18:28. On the last day of the month, sunrise is at 05:55 and sunset at 18:43 -03.

Sunshine

The average sunshine in December in André Siqueira, Brazil, is 8.6h.

UV index

February through July, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in December transforms into the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

In December, the average high-temperature and low-temperature in André Siqueira, Brazil, are 30°C (86°F) and 22°C (71.6°F) respectively. In December, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 38°C (100.4°F).

In December, the average relative humidity in André Siqueira is 81%.

In André Siqueira, in December, it is raining for 28.7 days, with typically 168mm (6.61") of accumulated precipitation.

With an average of 12h and 48min of daylight, December has the longest days of the year in André Siqueira, Brazil.

In December, the average day length in André Siqueira is 12h and 48min.

On the first day of December in André Siqueira, sunrise is at 05:42 and sunset at 18:28. On the last day of the month, sunrise is at 05:55 and sunset at 18:43 -03.

The average sunshine duration in December in André Siqueira is 8.6h.

The months with the lowest UV index in André Siqueira are February through July, October through December, with an average maximum UV index of 6.

In André Siqueira, Brazil, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
André Siqueira, Brazil

  • Average high temperature in December: 30°C

The warmest month (with the highest average high temperature) is September (36.7°C).
The month with the lowest average high temperature is February (29.2°C).

  • Average low temperature in December: 22°C

The month with the highest average low temperature is September (23.9°C).
The coldest month (with the lowest average low temperature) is July (19.8°C).

Average pressure in December
André Siqueira, Brazil

  • Average pressure in December: 1010mbar

The months with the highest atmospheric pressure are June and July (1014.4mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).

Average wind speed in December
André Siqueira, Brazil

  • Average wind speed in December: 6km/h

The windiest month (with the highest average wind speed) is July (9.6km/h).
The calmest month (with the lowest average wind speed) is March (5km/h).

Average humidity in December
André Siqueira, Brazil

  • Average humidity in December: 81%

The month with the highest relative humidity is March (86%).
The month with the lowest relative humidity is September (34%).

Average rainfall in December
André Siqueira, Brazil

  • Average rainfall in December: 168mm

The wettest month (with the highest rainfall) is March (206mm).
The driest months (with the least rainfall) are July and August (0mm).

Average rainfall days in December
André Siqueira, Brazil

  • Average rainfall days in December: 28.7 days

The month with the highest number of rainy days is March (29.5 days).
The month with the least rainy days is July (0.4 days).

Average daylight in December /
Average sunshine in December
André Siqueira, Brazil

  • Average daylight in December: 12h and 48min

The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).

  • Average sunshine in December: 8h and 36min

The month with the most sunshine is October (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 7h and 24min).

Average sunshine days in December
André Siqueira, Brazil

  • Average sunshine days in December: 1.8 days

The month with the most sunshine days is July (30.7 days).
The month with the least sunshine days is March (0.6 days).

Average UV index in December
André Siqueira, Brazil

  • Average UV index in December: 6

The months with the highest UV index are August and September (UV index 8).
The months with the lowest UV index are February, March, April, May, June, July, October, November and December (UV index 6).

Average cloud cover in December
André Siqueira, Brazil

  • Average cloud cover in December: 49

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 10).

Average visibility in December
André Siqueira, Brazil

  • Average visibility in December: 8km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, November and December (8km).