December weather forecast
Pasto, Colombia

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Weather in December

December in Pasto denotes a slight decrease in rainfall from 202 in November to 162mm (6.38"). Even with this decrease, the month remains predominantly rainy. The temperatures stay relatively constant from November, keeping the warmth of the city preserved. Despite the cloudiness, the inhabitants of Pasto experience ample sunshine. The year-end in Pasto sees an interesting mix of weather with a combination of rainfall, sunshine, and warmth, signaling the cycle's completion ready to begin afresh in the new year.

Temperature

November and December, with an average high-temperature of 20.2°C (68.4°F), are the coldest months.

Humidity

In December, the average relative humidity in Pasto, Colombia, is 85%.

Rainfall

In December, the rain falls for 28.5 days. Throughout December, 162mm (6.38") of precipitation is accumulated. In Pasto, during the entire year, the rain falls for 317.6 days and collects up to 1710mm (67.32") of precipitation.

Daylight

The month with the shortest days in Pasto is December, with an average of 12h and 6min of daylight.
On the first day of December in Pasto, sunrise is at 05:56 and sunset at 18:00. On the last day of the month, sunrise is at 06:10 and sunset at 18:14 -05.

Sunshine

In December, the average sunshine is 7.2h.

UV index

February, April through September and December, with an average maximum UV index of 5, are months with the highest UV index in Pasto. 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: A maximum UV index of 5 in December translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What is the coldest month in Pasto?

November and December bring Pasto's average lowest temperatures, reaching a high of 20.2°C (68.4°F).

What is the usual temperature for Pasto in December?

An average high-temperature, in December, in Pasto, is 20.2°C (68.4°F) and the average low-temperature is 12.4°C (54.3°F).

What is the average humidity in December in Pasto?

The average relative humidity in December is 85%.

How much does it rain in Pasto in December?

In December, in Pasto, Colombia, the rain falls for 28.5 days. Throughout December, 162mm (6.38") of precipitation is accumulated.

What is the month with the shortest days in Pasto?

The month with the shortest days in Pasto is December, with an average of 12h and 6min of daylight.

How many hours of daylight does Pasto have in December?

The average day length in December in Pasto is 12h and 4min.

When is the sunrise / sunset in December in Pasto?

On the first day of December in Pasto, Colombia, sunrise is at 05:56 and sunset at 18:00. On the last day of the month, sunrise is at 06:10 and sunset at 18:14 -05.

How long on average sun shines in December in Pasto?

In December, the average sunshine duration in Pasto is 7.2h.

What are the months with the highest UV index in Pasto?

The months with the highest UV index are February, April through September and December, with an average maximum UV index of 5.

What is the UV index intensity in December in Pasto?

In Pasto, Colombia, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in December
Pasto, Colombia

Average temperature in December - Pasto, Colombia
  • Average high temperature in December: 20.2°C

The warmest month (with the highest average high temperature) is August (22.4°C).
The months with the lowest average high temperature are November and December (20.2°C).

  • Average low temperature in December: 12.4°C

The month with the highest average low temperature is February (12.9°C).
The coldest month (with the lowest average low temperature) is July (12°C).

Average pressure in December
Pasto, Colombia

Average pressure in December - Pasto, Colombia
  • Average pressure in December: 1012.5mbar

The month with the highest atmospheric pressure is July (1014.7mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).

Average wind speed in December
Pasto, Colombia

Average wind speed in December - Pasto, Colombia
  • Average wind speed in December: 3.9km/h

The windiest month (with the highest average wind speed) is July (7.1km/h).
The calmest month (with the lowest average wind speed) is February (3.5km/h).

Average humidity in December
Pasto, Colombia

Average humidity in December - Pasto, Colombia
  • Average humidity in December: 85%

The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is August (71%).

Average rainfall in December
Pasto, Colombia

Average rainfall in December - Pasto, Colombia
  • Average rainfall in December: 162mm

The wettest month (with the highest rainfall) is April (209mm).
The driest month (with the least rainfall) is August (72mm).

Average rainfall days in December
Pasto, Colombia

Average rainfall days in December - Pasto, Colombia
  • Average rainfall days in December: 28.5 days

The month with the highest number of rainy days is October (29.1 days).
The month with the least rainy days is July (22.4 days).

Average daylight in December /
Average sunshine in December
Pasto, Colombia

Average daylight in December / Average sunshine in December - Pasto, Colombia
  • Average daylight in December: 12h and 1min

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

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is September (Average sunshine: 9h and 54min).
The months with the least sunshine are March and April (Average sunshine: 6h and 30min).

Average sunshine days in December
Pasto, Colombia

Average sunshine days in December - Pasto, Colombia
  • Average sunshine days in December: 1.8 days

The month with the most sunshine days is August (3.3 days).
The months with the least sunshine days are April and November (1.4 days).

Average UV index in December
Pasto, Colombia

Average UV index in December - Pasto, Colombia
  • Average UV index in December: 5

The months with the highest UV index are February, April, May, June, July, August, September and December (UV index 5).
The months with the lowest UV index are January, March, October and November (UV index 4).

Average cloud cover in December
Pasto, Colombia

Average cloud cover in December - Pasto, Colombia
  • Average cloud cover in December: 54

The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Pasto, Colombia

Average visibility in December - Pasto, Colombia
  • Average visibility in December: 8km

The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are March and November (7km).

Pasto, Colombia

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