December weather forecast
Arequipa, Peru

December

Weather in December

December's weather in Arequipa brings a cooler climate with a noticeable drop in temperature from 17.9°C (64.2°F) in November to 16.8°C (62.2°F). Despite this, Arequipa retains its radiant sunlight and clear weather, with longer hours of daylight compared to most of the previous months. With a moderate increase in relative humidity and rainfall, the city transitions into the wetter season, marking the end of the drier part of the year. December holds its charm with a pleasant balance of warm days and cool nights, fittingly wrapping up the year in Arequipa.

Temperature

Arequipa marks the start of December with an average high-temperature of a still comfortable 16.8°C (62.2°F), hinting at a slight fluctuation from November's 17.8°C (64°F). In the month of December, Arequipa experiences an average low-temperature of 10.2°C (50.4°F).

Humidity

In Arequipa, the average relative humidity in December is 64%.

Rainfall

In Arequipa, in December, during 8.4 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, there are 84.2 rainfall days, and 260mm (10.24") of precipitation is accumulated.

Daylight

With an average of 13h and 6min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:04 and sunset at 18:06. On the last day of the month, sunrise is at 05:16 and sunset at 18:22 -05.

Sunshine

The month with the most sunshine in Arequipa is December, with an average of 11.1h of sunshine.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 4. January through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 4 during December translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

What are December temperatures?
The average high-temperature and low-temperature during December are 16.8°C (62.2°F) and 10.2°C (50.4°F) respectively.
What is the average humidity in December?
In December, the average relative humidity is 64%.
How many days does it rain in December?
In Arequipa, during December, the rain falls for 8.4 days and regularly aggregates up to 20mm (0.79") of precipitation.
When are the longest days in Arequipa?
With an average of 13h and 6min of daylight, December has the longest days of the year.
What is the average length of the day in December in Arequipa?
In Arequipa, Peru, the average day length in December is 13h and 5min.
When are sunrise and sunset in December?
On the first day of December in Arequipa, sunrise is at 05:04 and sunset at 18:06. On the last day of the month, sunrise is at 05:16 and sunset at 18:22 -05.
What month has the most sunshine?
December has the most sunshine of the year, with an average of 11.1h of sunshine.
How many hours of sunshine does Arequipa have in December?
In Arequipa, the average sunshine duration in December is 11.1h.
What are the months with the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 4.
When is the lowest UV index?
January through December, with an average maximum UV index of 4, are months with the lowest UV index.
What is the UV index reading in December?
The average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Arequipa, Peru
Average temperature in December
Arequipa, Peru
  • Average high temperature in December: 16.8°C

The warmest month (with the highest average high temperature) is October (17.9°C).
The month with the lowest average high temperature is February (15.2°C).

  • Average low temperature in December: 10.2°C

The month with the highest average low temperature is February (10.7°C).
The coldest month (with the lowest average low temperature) is July (6.7°C).

Average pressure in December - Arequipa, Peru
Average pressure in December
Arequipa, Peru
  • Average pressure in December: 1015.1mbar

The months with the highest atmospheric pressure are June and July (1018.2mbar).
The months with the lowest atmospheric pressure are February and December (1015.1mbar).

Average wind speed in December - Arequipa, Peru
Average wind speed in December
Arequipa, Peru
  • Average wind speed in December: 9.2km/h

The windiest month (with the highest average wind speed) is January (9.6km/h).
The calmest month (with the lowest average wind speed) is June (6.5km/h).

Average humidity in December - Arequipa, Peru
Average humidity in December
Arequipa, Peru
  • Average humidity in December: 64%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (35%).

Average rainfall in December - Arequipa, Peru
Average rainfall in December
Arequipa, Peru
  • Average rainfall in December: 20mm

The wettest month (with the highest rainfall) is January (81mm).
The driest months (with the least rainfall) are June and August (1mm).

Average rainfall days in December - Arequipa, Peru
Average rainfall days in December
Arequipa, Peru
  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is February (18.2 days).
The month with the least rainy days is August (0.8 days).

Average daylight in December / Average sunshine in December - Arequipa, Peru
Average daylight in December /
Average sunshine in December
Arequipa, Peru
  • Average daylight in December: 13h and 1min

The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).

  • Average sunshine in December: 11h and 1min

The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is July (Average sunshine: 7h and 36min).

Average sunshine days in December - Arequipa, Peru
Average sunshine days in December
Arequipa, Peru
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is February (8.5 days).

Average UV index in December - Arequipa, Peru
Average UV index in December
Arequipa, Peru
  • Average UV index in December: 4

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

Average cloud cover in December - Arequipa, Peru
Average cloud cover in December
Arequipa, Peru
  • Average cloud cover in December: 24

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 3).

Average visibility in December - Arequipa, Peru
Average visibility in December
Arequipa, Peru
  • Average visibility in December: 10km

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

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