December weather forecastAmontada, Brazil

December

Weather in December

December, the first month of the summer in Amontada, is also a hot month, with an average temperature fluctuating between 24.7°C (76.5°F) and 32.5°C (90.5°F).

Temperature

Entering December, Amontada's average high-temperature reads a still hot 32.5°C (90.5°F), indicating a close resemblance to the previous month's climate. Amontada reports an average nighttime low-temperature of 24.7°C (76.5°F) in December.

Heat index

December's mean heat index is calculated to be a scorching 41°C (105.8°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for 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.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

The average relative humidity in December is 68%.

Rainfall

In Amontada, in December, it is raining for 11.7 days, with typically 25mm (0.98") of accumulated precipitation. In Amontada, during the entire year, the rain falls for 190 days and collects up to 800mm (31.5") of precipitation.

Daylight

December has the longest days of the year, with an average of 12h and 18min of daylight.
On the first day of December, sunrise is at 05:19 and sunset at 17:37. On the last day of the month, sunrise is at 05:33 and sunset at 17:52 -03.

Sunshine

In December, the average sunshine in Amontada is 7.8h.

UV index

January, February, May through December, with an average maximum UV index of 7, are months with the highest UV index in Amontada. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 7 during December, leads to the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

The average high-temperature and low-temperature during December are 32.5°C (90.5°F) and 24.7°C (76.5°F) respectively. In December, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 41°C (105.8°F).

In December, the average relative humidity is 68%.

In Amontada, during December, the rain falls for 11.7 days and regularly aggregates up to 25mm (0.98") of precipitation.

December has the longest days of the year, with an average of 12h and 18min of daylight.

In Amontada, Brazil, the average day length in December is 12h and 19min.

On the first day of December, sunrise is at 05:19 and sunset at 17:37. On the last day of the month, sunrise is at 05:33 and sunset at 17:52 -03.

The average sunshine duration in December is 7.8h.

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

In Amontada, Brazil, the average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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
Amontada, Brazil

  • Average high temperature in December: 32.5°C

The warmest month (with the highest average high temperature) is October (33.7°C).
The month with the lowest average high temperature is April (30.3°C).

  • Average low temperature in December: 24.7°C

The month with the highest average low temperature is December (24.7°C).
The coldest month (with the lowest average low temperature) is July (22.3°C).

Average pressure in December
Amontada, Brazil

  • Average pressure in December: 1010.5mbar

The month with the highest atmospheric pressure is July (1013.7mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).

Average wind speed in December
Amontada, Brazil

  • Average wind speed in December: 18.1km/h

The windiest month (with the highest average wind speed) is September (20.8km/h).
The calmest month (with the lowest average wind speed) is April (10.9km/h).

Average humidity in December
Amontada, Brazil

  • Average humidity in December: 68%

The month with the highest relative humidity is April (84%).
The month with the lowest relative humidity is September (64%).

Average rainfall in December
Amontada, Brazil

  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is March (175mm).
The driest month (with the least rainfall) is September (2mm).

Average rainfall days in December
Amontada, Brazil

  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is March (28.3 days).
The month with the least rainy days is September (2.6 days).

Average daylight in December /
Average sunshine in December
Amontada, Brazil

  • Average daylight in December: 12h and 18min

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).

  • Average sunshine in December: 7h and 48min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is March (Average sunshine: 6h and 54min).

Average sunshine days in December
Amontada, Brazil

  • Average sunshine days in December: 14 days

The month with the most sunshine days is September (25 days).
The month with the least sunshine days is April (0.9 days).

Average UV index in December
Amontada, Brazil

  • Average UV index in December: 7

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

Average cloud cover in December
Amontada, Brazil

  • Average cloud cover in December: 37

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in December
Amontada, Brazil

  • Average visibility in December: 10km

The months with the highest visibility are January, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are February, March, April and May (9km).