December weather forecast
San Francisco de Mostazal, Chile

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Weather in December

The first month of the summer, December, is also a moderately hot month in San Francisco de Mostazal, Chile, with temperature in the range of an average low of 11°C (51.8°F) and an average high of 26.4°C (79.5°F).

Temperature

Transitioning into December, San Francisco de Mostazal records an average high-temperature of a still warm 26.4°C (79.5°F), almost identical to November's 23.9°C (75°F). The nighttime average for San Francisco de Mostazal in December plummets considerably from its daytime counterpart, resting at a cool 11°C (51.8°F).

Humidity

The average relative humidity in December in San Francisco de Mostazal is 45%.

Rainfall

In San Francisco de Mostazal, Chile, during December, the rain falls for 1.8 days and regularly aggregates up to 7mm (0.28") of precipitation. Throughout the year, in San Francisco de Mostazal, there are 54.8 rainfall days, and 323mm (12.72") of precipitation is accumulated.

Daylight

December has the longest days of the year in San Francisco de Mostazal, with an average of 14h and 24min of daylight.
On the first day of the month, sunrise is at 06:24 and sunset at 20:39. On the last day of December, in San Francisco de Mostazal, sunrise is at 06:34 and sunset at 20:57 -03.

Sunshine

In San Francisco de Mostazal, the average sunshine in December is 9.8h.

UV index

The average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 5 in December suggests the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What is the usual temperature for San Francisco de Mostazal in December?

The high-temperature, in December, in San Francisco de Mostazal, is 26.4°C (79.5°F), while the low-temperature averages to 11°C (51.8°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in February is estimated at 28°C (82.4°F).

What is the average humidity in December in San Francisco de Mostazal?

In San Francisco de Mostazal, Chile, the average relative humidity in December is 45%.

How many days does it rain in December in San Francisco de Mostazal?

In December, the rain falls for 1.8 days. Throughout December, 7mm (0.28") of precipitation is accumulated.

When are the longest days in San Francisco de Mostazal?

With an average of 14h and 24min of daylight, December has the longest days of the year in San Francisco de Mostazal.

How many hours of daylight does San Francisco de Mostazal have in December?

In December, the average day length in San Francisco de Mostazal, Chile, is 14h and 23min.

When is the sunrise / sunset in December in San Francisco de Mostazal?

In December, on the first day of the month, sunrise is at 06:24 and sunset at 20:39. On the last day of the month, in San Francisco de Mostazal, Chile, sunrise is at 06:34 and sunset at 20:57 -03.

How many hours of sunshine does San Francisco de Mostazal have in December?

The average sunshine duration in December is 9.8h.

What is the UV index reading in December in San Francisco de Mostazal?

In December, the average daily maximum UV index in San Francisco de Mostazal, Chile, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
San Francisco de Mostazal, Chile

Average temperature in December - San Francisco de Mostazal, Chile
  • Average high temperature in December: 26.4°C

The warmest month (with the highest average high temperature) is January (28.3°C).
The month with the lowest average high temperature is July (12.5°C).

  • Average low temperature in December: 11°C

The month with the highest average low temperature is January (12.6°C).
The coldest month (with the lowest average low temperature) is July (3.2°C).

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Average pressure in December
San Francisco de Mostazal, Chile

Average pressure in December - San Francisco de Mostazal, Chile
  • Average pressure in December: 1014.9mbar

The month with the highest atmospheric pressure is July (1019.7mbar).
The month with the lowest atmospheric pressure is February (1014.4mbar).

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Average wind speed in December
San Francisco de Mostazal, Chile

Average wind speed in December - San Francisco de Mostazal, Chile
  • Average wind speed in December: 7.1km/h

The windiest month (with the highest average wind speed) is January (7.4km/h).
The calmest months (with the lowest average wind speed) are April and May (6km/h).

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Average humidity in December
San Francisco de Mostazal, Chile

Average humidity in December - San Francisco de Mostazal, Chile
  • Average humidity in December: 45%

The month with the highest relative humidity is July (62%).
The month with the lowest relative humidity is March (41%).

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Average rainfall in December
San Francisco de Mostazal, Chile

Average rainfall in December - San Francisco de Mostazal, Chile
  • Average rainfall in December: 7mm

The wettest month (with the highest rainfall) is June (95mm).
The driest months (with the least rainfall) are February and March (1mm).

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Average rainfall days in December
San Francisco de Mostazal, Chile

Average rainfall days in December - San Francisco de Mostazal, Chile
  • Average rainfall days in December: 1.8 days

The month with the highest number of rainy days is June (8.6 days).
The month with the least rainy days is February (0.5 days).

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Average daylight in December /
Average sunshine in December
San Francisco de Mostazal, Chile

Average daylight in December / Average sunshine in December - San Francisco de Mostazal, Chile
  • Average daylight in December: 14h and 2min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in December: 9h and 5min

The months with the most sunshine are January and February (Average sunshine: 9h and 54min).
The month with the least sunshine is June (Average sunshine: 8h and 0min).

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Average sunshine days in December
San Francisco de Mostazal, Chile

Average sunshine days in December - San Francisco de Mostazal, Chile
  • Average sunshine days in December: 28.9 days

The month with the most sunshine days is January (29.9 days).
The month with the least sunshine days is June (20 days).

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Average UV index in December
San Francisco de Mostazal, Chile

Average UV index in December - San Francisco de Mostazal, Chile
  • Average UV index in December: 5

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

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Average cloud cover in December
San Francisco de Mostazal, Chile

Average cloud cover in December - San Francisco de Mostazal, Chile
  • Average cloud cover in December: 6

The month with the most cloud cover is June (Cloud cover 29).
The month with the least cloud cover is February (Cloud cover 4).

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Average visibility in December
San Francisco de Mostazal, Chile

Average visibility in December - San Francisco de Mostazal, Chile
  • Average visibility in December: 10km

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

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San Francisco de Mostazal, Chile

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