December weather forecast
Guatemala City, Guatemala

The iconic buildings of the cathedral in Guatemala City, Guatemala
The iconic buildings of the cathedral in Guatemala City, Guatemala

Weather in December

December, the first month of the winter, in Guatemala City, is still a warm month, with temperature in the range of an average high of 23.9°C (75°F) and an average low of 13.7°C (56.7°F).

Temperature

The coldest month is December, with an average high-temperature of 23.9°C (75°F) and an average low-temperature of 13.7°C (56.7°F).

Humidity

The average relative humidity in Guatemala City is 76%.

Rainfall

In December, the rain falls for 2.6 days. Throughout December, 6.6mm (0.26") of precipitation is accumulated. Throughout the year, in Guatemala City, there are 125.2 rainfall days, and 1274.8mm (50.19") of precipitation is accumulated.

Daylight

The month with the shortest days in Guatemala City is December, with an average of 11.3h of daylight.

Sunshine

In December, the average sunshine is 6.7h.

UV index

The month with the lowest UV index in Guatemala City, Guatemala, is December, with an average maximum UV index of 9. A UV Index value of 8 to 10 symbolizes a very high health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 9 in December transform into the following instructions:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the coldest month in Guatemala City?

With an average high-temperature of 23.9°C (75°F) and an average low-temperature of 13.7°C (56.7°F), December is the coldest month in Guatemala City, Guatemala.

What is the average humidity in December in Guatemala City?

In December, the average relative humidity in Guatemala City is 76%.

How many days does it rain in December in Guatemala City?

In December, in Guatemala City, Guatemala, the rain falls for 2.6 days. Throughout December, 6.6mm (0.26") of precipitation is accumulated.

What is the month with the shortest days in Guatemala City?

With an average of 11.3h of daylight, December has the shortest days of the year.

How many hours of daylight does Guatemala City have in December?

In December, the average length of the day is 11.3h.

How many hours of sunshine does Guatemala City have in December?

The average sunshine in December in Guatemala City, Guatemala, is 6.7h.

When is the lowest UV index in Guatemala City?

The month with the lowest UV index in Guatemala City is December, with an average maximum UV index of 9.

How high is the UV index in December in Guatemala City?

In December, the average daily maximum UV index is 9. A UV Index value of 8 to 10 symbolizes a very high health threat from the exposure to the Sun's UV rays.

Average temperature in December
Guatemala City, Guatemala

Average temperature in December - Guatemala City, Guatemala
  • Average high temperature in December: 23.9°C

The warmest month (with the highest average high temperature) is April (27.8°C).
The month with the lowest average high temperature is December (23.9°C).

  • Average low temperature in December: 13.7°C

Months with the highest average low temperature are May and June (16.8°C).
The coldest month (with the lowest average low temperature) is January (13.2°C).

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Average humidity in December
Guatemala City, Guatemala

Average humidity in December - Guatemala City, Guatemala
  • Average humidity in December: 76%

The month with the highest relative humidity is September (84.5%).
The month with the lowest relative humidity is March (73.2%).

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Average rainfall in December
Guatemala City, Guatemala

Average rainfall in December - Guatemala City, Guatemala
  • Average rainfall in December: 6.6mm

The wettest month (with the highest rainfall) is June (271.8mm).
The driest month (with the least rainfall) is January (2.8mm).

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Average rainfall days in December
Guatemala City, Guatemala

Average rainfall days in December - Guatemala City, Guatemala
  • Average rainfall days in December: 2.6 days

The month with the highest number of rainy days is June (21.1 days).
The month with the least rainy days is February (1.5 days).

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Average daylight in December /
Average sunshine in December
Guatemala City, Guatemala

Average daylight in December / Average sunshine in December - Guatemala City, Guatemala
  • Average daylight in December: 11.3h

The month with the longest days is June (Average daylight: 13h).
The month with the shortest days is December (Average daylight: 11.3h).

  • Average sunshine in December: 6.7h

The month with the most sunshine is February (Average sunshine: 8.4h).
The month with the least sunshine is June (Average sunshine: 5.2h).

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Average UV index in December
Guatemala City, Guatemala

Average UV index in December - Guatemala City, Guatemala
  • Average UV index in December: 9

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 9).

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