December weather forecast
Conguaco, Guatemala

December

Weather in December

The first month of the winter, December, is also a moderately hot month in Conguaco, Guatemala, with an average temperature ranging between max 29.3°C (84.7°F) and min 18.1°C (64.6°F).

Temperature

Conguaco's weather in December displays an average high-temperature of a still warm 29.3°C (84.7°F), showing minor disparity from November's 28.4°C (83.1°F). Conguaco, during the month of December, experiences an average low-temperature of 18.1°C (64.6°F).

Heat index

In December, the average heat index is calculated to be a hot 34°C (93.2°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In Conguaco, the average relative humidity in December is 71%.

Rainfall

In December, in Conguaco, the rain falls for 3 days. Throughout December, 4mm (0.16") of precipitation is accumulated. In Conguaco, during the entire year, the rain falls for 169.5 days and collects up to 865mm (34.06") of precipitation.

Daylight

With an average of 11h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 06:08 and sunset at 17:30. On the last day of the month, sunrise is at 06:24 and sunset at 17:42 CST.

Sunshine

January and December, with an average of 7.7h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, February, May through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

How hot does it get in December?
An average high-temperature, in December, in Conguaco, is 29.3°C (84.7°F) and the average low-temperature is 18.1°C (64.6°F). In December, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 34°C (93.2°F).
What is the average humidity in December?
In Conguaco, the average relative humidity in December is 71%.
How much does it rain in December?
In Conguaco, in December, during 3 rainfall days, 4mm (0.16") of precipitation is typically accumulated.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 11h and 18min of daylight.
What is the average length of the day in December?
In December, the average day length is 11h and 19min.
What time are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 06:08 and sunset at 17:30. On the last day of the month, sunrise is at 06:24 and sunset at 17:42 CST.
What is the month with the least sunshine?
January and December, with an average of 7.7h of sunshine, are months with the least sunshine.
How long on average sun shines in December?
In Conguaco, the average sunshine duration in December is 7.7h.
When is the lowest UV index?
January, February, May through December, with an average maximum UV index of 6, are months with the lowest UV index.
What is the UV index reading in December?
The average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Conguaco, Guatemala
  • Average high temperature in December: 29.3°C

The warmest month (with the highest average high temperature) is April (32.6°C).
The month with the lowest average high temperature is October (28.1°C).

  • Average low temperature in December: 18.1°C

The month with the highest average low temperature is May (21.7°C).
The coldest month (with the lowest average low temperature) is January (17.9°C).

Average pressure in December
Conguaco, Guatemala
  • Average pressure in December: 1013.4mbar

The month with the highest atmospheric pressure is January (1014.1mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).

Average wind speed in December
Conguaco, Guatemala
  • Average wind speed in December: 9.4km/h

The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest months (with the lowest average wind speed) are June and September (5.2km/h).

Average humidity in December
Conguaco, Guatemala
  • Average humidity in December: 71%

The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is March (63%).

Average rainfall in December
Conguaco, Guatemala
  • Average rainfall in December: 4mm

The wettest month (with the highest rainfall) is October (162mm).
The driest month (with the least rainfall) is January (1mm).

Average rainfall days in December
Conguaco, Guatemala
  • Average rainfall days in December: 3 days

The month with the highest number of rainy days is May (24.2 days).
The month with the least rainy days is January (1.8 days).

Average daylight in December /
Average sunshine in December
Conguaco, Guatemala
  • Average daylight in December: 11h and 2min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in December: 7h and 4min

The month with the most sunshine is April (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 7h and 42min).

Average sunshine days in December
Conguaco, Guatemala
  • Average sunshine days in December: 27.5 days

The month with the most sunshine days is January (28.4 days).
The month with the least sunshine days is June (5.9 days).

Average UV index in December
Conguaco, Guatemala
  • Average UV index in December: 6

The months with the highest UV index are March and April (UV index 7).
The months with the lowest UV index are January, February, May, June, July, August, September, October, November and December (UV index 6).

Average cloud cover in December
Conguaco, Guatemala
  • Average cloud cover in December: 12

The months with the most cloud cover are June and September (Cloud cover 42).
The months with the least cloud cover are January and December (Cloud cover 12).

Average visibility in December
Conguaco, Guatemala
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are June, August, September and October (8km).

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