December weather forecast
Calca, Peru

December

Weather in December

The first month of the summer, December, is still a mild month in Calca, Peru, with an average temperature ranging between max 14.4°C (57.9°F) and min 6.6°C (43.9°F).

Temperature

As November transitions into December, the average high-temperature rests at a still refreshing 14.4°C (57.9°F), maintaining a close resemblance to the previous month. Calca in December anticipates an average nighttime temperature of 6.6°C (43.9°F).

Humidity

In December, the average relative humidity is 72%.

Rainfall

In Calca, in December, during 24.7 rainfall days, 108mm (4.25") of precipitation is typically accumulated. Throughout the year, there are 204.7 rainfall days, and 708mm (27.87") of precipitation is accumulated.

Snowfall

In Calca, snow does not fall in January, October through December.

Daylight

With an average of 12h and 54min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:11 and sunset at 18:02. On the last day of December, in Calca, sunrise is at 05:24 and sunset at 18:18 -05.

Sunshine

The month with the most sunshine is December, with an average of 10.9h of sunshine.

UV index

January through September and December, with an average maximum UV index of 3, are months with the lowest UV index in Calca. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

What is the usual temperature for Calca in December?
The high-temperature in Calca during December is 14.4°C (57.9°F) and the low-temperature is 6.6°C (43.9°F).
What is the average humidity in December in Calca?
The average relative humidity in December in Calca is 72%.
How many days does it rain in December in Calca?
In December, the rain falls for 24.7 days. Throughout December, 108mm (4.25") of precipitation is accumulated.
When it does not snow in Calca?
January, October through December are months without snowfall in Calca.
When are the longest days in Calca?
With an average of 12h and 54min of daylight, December has the longest days of the year.
What is the average length of the day in December in Calca?
In Calca, the average day length in December is 12h and 54min.
When are sunrise and sunset in December in Calca?
In December, on the first day of the month, sunrise is at 05:11 and sunset at 18:02. On the last day of the month, in Calca, Peru, sunrise is at 05:24 and sunset at 18:18 -05.
What month has the most sunshine in Calca?
December has the most sunshine of the year in Calca, with an average of 10.9h of sunshine.
How long on average sun shines in December in Calca?
In Calca, the average sunshine duration in December is 10.9h.
What are the months with the lowest UV index in Calca?
The months with the lowest UV index in Calca, Peru, are January through September and December, with an average maximum UV index of 3.
What is the UV index intensity in December in Calca?
The average daily maximum UV index in December in Calca, Peru, is 3. A UV Index estimate of 3 to 5 represents a medium 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Calca, Peru
  • Average high temperature in December: 14.4°C

The warmest month (with the highest average high temperature) is November (15.6°C).
The month with the lowest average high temperature is July (13.3°C).

  • Average low temperature in December: 6.6°C

The month with the highest average low temperature is November (7.1°C).
The coldest month (with the lowest average low temperature) is July (1.8°C).

Average pressure in December
Calca, Peru
  • Average pressure in December: 1014.8mbar

The months with the highest atmospheric pressure are June and July (1020mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).

Average wind speed in December
Calca, Peru
  • Average wind speed in December: 8.1km/h

The windiest month (with the highest average wind speed) is October (8.7km/h).
The calmest month (with the lowest average wind speed) is June (7km/h).

Average humidity in December
Calca, Peru
  • Average humidity in December: 72%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (63%).

Average rainfall in December
Calca, Peru
  • Average rainfall in December: 108mm

The wettest month (with the highest rainfall) is February (121mm).
The driest month (with the least rainfall) is June (8mm).

Average rainfall days in December
Calca, Peru
  • Average rainfall days in December: 24.7 days

The month with the highest number of rainy days is December (24.7 days).
The month with the least rainy days is June (6.2 days).

Average snowfall in December
Calca, Peru
  • Average snowfall in December: 0mm

The months with the highest snowfall are July and September (4mm).
The months with the least snowfall are January, October, November and December (0mm).

Average snowfall days in December
Calca, Peru
  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are March and July (1.4 days).
The months with the least snowfall days are October and November (0 days).

Average daylight in December /
Average sunshine in December
Calca, Peru
  • Average daylight in December: 12h and 5min

The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).

  • Average sunshine in December: 10h and 5min

The month with the most sunshine is December (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).

Average sunshine days in December
Calca, Peru
  • Average sunshine days in December: 3.2 days

The month with the most sunshine days is June (18.5 days).
The month with the least sunshine days is February (2.8 days).

Average UV index in December
Calca, Peru
  • Average UV index in December: 3

The months with the highest UV index are October and November (UV index 4).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September and December (UV index 3).

Average cloud cover in December
Calca, Peru
  • Average cloud cover in December: 36

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in December
Calca, Peru
  • Average visibility in December: 9km

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

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