December weather forecastCerro Alegre, Peru

December

Weather in December

December, the first month of the summer in Cerro Alegre, is a pleasant month, with temperature in the range of an average low of 18.3°C (64.9°F) and an average high of 20.5°C (68.9°F).

Temperature

The commencement of December records an average high-temperature of a pleasant 20.5°C (68.9°F), barely varying from November's 19.3°C (66.7°F). The low temperature average in Cerro Alegre during December reflects a slight decrease to an enjoyable 18.3°C (64.9°F) from the day's peak.

Humidity

The average relative humidity in December is 85%.

Rainfall

In December, the rain falls for 9.6 days. Throughout December, 8mm (0.31") of precipitation is accumulated. Throughout the year, there are 73.4 rainfall days, and 68mm (2.68") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 54min of daylight.
On the first day of the month, sunrise is at 05:29 and sunset at 18:19. On the last day of December, sunrise is at 05:42 and sunset at 18:35 -05.

Sunshine

In Cerro Alegre, the average sunshine in December is 11.7h.

UV index

The months with the lowest UV index in Cerro Alegre, Peru, are April through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 in December converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

December temperatures in Cerro Alegre, Peru, vary between a high-temperature of 20.5°C (68.9°F) and a low-temperature of 18.3°C (64.9°F).

In Cerro Alegre, Peru, the average relative humidity in December is 85%.

In Cerro Alegre, Peru, in December, it is raining for 9.6 days, with typically 8mm (0.31") of accumulated precipitation.

December has the longest days of the year in Cerro Alegre, with an average of 12h and 54min of daylight.

The average day length in December in Cerro Alegre is 12h and 53min.

In December, on the first day of the month, sunrise is at 05:29 and sunset at 18:19. On the last day of the month, in Cerro Alegre, Peru, sunrise is at 05:42 and sunset at 18:35 -05.

In December, the average sunshine duration in Cerro Alegre is 11.7h.

April through December, with an average maximum UV index of 5, are months with the lowest UV index.

In December, the average daily maximum UV index in Cerro Alegre is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cerro Alegre, Peru

  • Average high temperature in December: 20.5°C

The warmest month (with the highest average high temperature) is February (22.8°C).
The month with the lowest average high temperature is August (17.8°C).

  • Average low temperature in December: 18.3°C

The month with the highest average low temperature is February (20.7°C).
The coldest month (with the lowest average low temperature) is August (14.5°C).

Average pressure in December
Cerro Alegre, Peru

  • Average pressure in December: 1014.2mbar

The month with the highest atmospheric pressure is August (1016.2mbar).
The month with the lowest atmospheric pressure is February (1013.5mbar).

Average wind speed in December
Cerro Alegre, Peru

  • Average wind speed in December: 11.6km/h

The windiest month (with the highest average wind speed) is September (12.6km/h).
The calmest month (with the lowest average wind speed) is February (9.9km/h).

Average humidity in December
Cerro Alegre, Peru

  • Average humidity in December: 85%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (80%).

Average rainfall in December
Cerro Alegre, Peru

  • Average rainfall in December: 8mm

The wettest month (with the highest rainfall) is January (18mm).
The driest months (with the least rainfall) are July and August (0mm).

Average rainfall days in December
Cerro Alegre, Peru

  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is March (16.7 days).
The month with the least rainy days is August (0.4 days).

Average daylight in December /
Average sunshine in December
Cerro Alegre, Peru

  • Average daylight in December: 12h and 54min

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: 11h and 42min

The months with the most sunshine are October and November (Average sunshine: 12h and 12min).
The months with the least sunshine are May and July (Average sunshine: 7h and 36min).

Average sunshine days in December
Cerro Alegre, Peru

  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in December
Cerro Alegre, Peru

  • Average UV index in December: 5

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

Average cloud cover in December
Cerro Alegre, Peru

  • Average cloud cover in December: 24

The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in December
Cerro Alegre, Peru

  • 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).