December weather forecast
Rari, Chile

December

Weather in December

December, the first month of the summer in Rari, is still a warm month, with an average temperature ranging between min 11°C (51.8°F) and max 28.3°C (82.9°F).

Temperature

December's arrival signals a subtle increase in average high-temperatures, moving from November's moderately hot 24.5°C (76.1°F) to a still warm 28.3°C (82.9°F). Throughout December, Rari acknowledges a distinct difference between its daytime highs and the steady low average of 11°C (51.8°F).

Heat index

December's heat index is estimated at 29°C (84.2°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In Rari, the average relative humidity in December is 52%.

Rainfall

In Rari, in December, it is raining for 2.4 days, with typically 12mm (0.47") of accumulated precipitation. In Rari, during the entire year, the rain falls for 76.4 days and collects up to 600mm (23.62") of precipitation.

Daylight

The month with the longest days is December, with an average of 14h and 30min of daylight.
On the first day of the month, sunrise is at 06:22 and sunset at 20:47. On the last day of December, sunrise is at 06:32 and sunset at 21:05 -03.

Sunshine

In December, the average sunshine is 10.6h.

UV index

January, February and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard 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:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

How hot is it in December?
During December, Rari experiences an average high-temperature of 28.3°C (82.9°F) and a low-temperature of 11°C (51.8°F). In December, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 29°C (84.2°F).
What is the average humidity in December?
In December, the average relative humidity is 52%.
How many days does it rain in December?
In Rari, in December, during 2.4 rainfall days, 12mm (0.47") of precipitation is typically accumulated.
When are the longest days?
The month with the longest days is December, with an average of 14h and 30min of daylight.
How many hours of daylight does Rari have in December?
The average day length in December is 14h and 32min.
What time are sunrise and sunset in December?
On the first day of December, sunrise is at 06:22 and sunset at 20:47. On the last day of the month, sunrise is at 06:32 and sunset at 21:05 -03.
How many hours of sunshine does Rari have in December?
In December, the average sunshine duration is 10.6h.
When is the highest UV index?
The months with the highest UV index are January, February and December, with an average maximum UV index of 6.
What is the UV index reading in December?
In Rari, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health risk from 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Rari, Chile
  • Average high temperature in December: 28.3°C

The warmest month (with the highest average high temperature) is January (31.4°C).
The month with the lowest average high temperature is July (12.8°C).

  • Average low temperature in December: 11°C

The month with the highest average low temperature is January (13.2°C).
The coldest month (with the lowest average low temperature) is July (4.5°C).

Average pressure in December
Rari, Chile
  • Average pressure in December: 1014.7mbar

The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is February (1013.8mbar).

Average wind speed in December
Rari, Chile
  • Average wind speed in December: 9.2km/h

The windiest month (with the highest average wind speed) is January (9.4km/h).
The calmest month (with the lowest average wind speed) is May (7.3km/h).

Average humidity in December
Rari, Chile
  • Average humidity in December: 52%

The months with the highest relative humidity are July and August (77%).
The month with the lowest relative humidity is January (47%).

Average rainfall in December
Rari, Chile
  • Average rainfall in December: 12mm

The wettest month (with the highest rainfall) is June (151mm).
The driest month (with the least rainfall) is January (3mm).

Average rainfall days in December
Rari, Chile
  • Average rainfall days in December: 2.4 days

The month with the highest number of rainy days is August (12.4 days).
The month with the least rainy days is February (1.6 days).

Average daylight in December /
Average sunshine in December
Rari, Chile
  • Average daylight in December: 14h and 3min

The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).

  • Average sunshine in December: 10h and 4min

The month with the most sunshine is January (Average sunshine: 11h and 36min).
The months with the least sunshine are June and July (Average sunshine: 7h and 30min).

Average sunshine days in December
Rari, Chile
  • Average sunshine days in December: 28.5 days

The month with the most sunshine days is March (29 days).
The month with the least sunshine days is June (17.4 days).

Average UV index in December
Rari, Chile
  • Average UV index in December: 6

The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July and September (UV index 3).

Average cloud cover in December
Rari, Chile
  • Average cloud cover in December: 10

The months with the most cloud cover are June and August (Cloud cover 36).
The months with the least cloud cover are January and February (Cloud cover 6).

Average visibility in December
Rari, Chile
  • Average visibility in December: 10km

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

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