December weather forecastRifaina, Brazil

December

Weather in December

December, the first month of the summer in Rifaina, is also a moderately hot month, with an average temperature fluctuating between 19.5°C (67.1°F) and 27.9°C (82.2°F).

Temperature

The average high-temperature during December registers at a still moderately hot 27.9°C (82.2°F), closely corresponding to the preceding month. During December, the nighttime temperature in Rifaina averages of 19.5°C (67.1°F).

Heat index

December's mean heat index is calculated to be a hot 33°C (91.4°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Realize that the values for the heat index are set for shaded places and light winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

In December, the average relative humidity is 86%.

Rainfall

In Rifaina, in December, during 29.6 rainfall days, 190mm (7.48") of precipitation is typically accumulated. In Rifaina, Brazil, during the entire year, the rain falls for 219 days and collects up to 1265mm (49.8") of precipitation.

Daylight

With an average of 13h and 18min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:21 and sunset at 18:36. On the last day of December, in Rifaina, sunrise is at 05:33 and sunset at 18:52 -03.

Sunshine

In December, the average sunshine is 7.8h.

UV index

The months with the lowest UV index in Rifaina are January through June, November and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 5 suggests this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

In December, in Rifaina, the average high-temperature is 27.9°C (82.2°F), and the average low-temperature is 19.5°C (67.1°F). In December, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 33°C (91.4°F).

In Rifaina, Brazil, the average relative humidity in December is 86%.

In December, in Rifaina, the rain falls for 29.6 days. Throughout December, 190mm (7.48") of precipitation is accumulated.

With an average of 13h and 18min of daylight, December has the longest days of the year.

The average day length in December in Rifaina is 13h and 20min.

In December, on the first day of the month, sunrise is at 05:21 and sunset at 18:36. On the last day of the month, in Rifaina, sunrise is at 05:33 and sunset at 18:52 -03.

In December, the average sunshine duration is 7.8h.

January through June, November and December, with an average maximum UV index of 5, are months with the lowest UV index.

In Rifaina, Brazil, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Rifaina, Brazil

  • Average high temperature in December: 27.9°C

The warmest month (with the highest average high temperature) is September (31.5°C).
The month with the lowest average high temperature is June (24.7°C).

  • Average low temperature in December: 19.5°C

The month with the highest average low temperature is October (19.9°C).
The coldest months (with the lowest average low temperature) are June and July (14.8°C).

Average pressure in December
Rifaina, Brazil

  • Average pressure in December: 1011.2mbar

The month with the highest atmospheric pressure is July (1019mbar).
The months with the lowest atmospheric pressure are November and December (1011.2mbar).

Average wind speed in December
Rifaina, Brazil

  • Average wind speed in December: 7km/h

The windiest month (with the highest average wind speed) is August (9.5km/h).
The calmest month (with the lowest average wind speed) is February (6.3km/h).

Average humidity in December
Rifaina, Brazil

  • Average humidity in December: 86%

The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (49%).

Average rainfall in December
Rifaina, Brazil

  • Average rainfall in December: 190mm

The wettest month (with the highest rainfall) is January (221mm).
The driest month (with the least rainfall) is August (7mm).

Average rainfall days in December
Rifaina, Brazil

  • Average rainfall days in December: 29.6 days

The month with the highest number of rainy days is December (29.6 days).
The month with the least rainy days is August (3.8 days).

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

  • Average daylight in December: 13h and 18min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).

  • Average sunshine in December: 7h and 48min

The months with the most sunshine are August and September (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).

Average sunshine days in December
Rifaina, Brazil

  • Average sunshine days in December: 0.8 days

The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is December (0.8 days).

Average UV index in December
Rifaina, Brazil

  • Average UV index in December: 5

The months with the highest UV index are July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 5).

Average cloud cover in December
Rifaina, Brazil

  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in December
Rifaina, Brazil

  • Average visibility in December: 7km

The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (7km).