December weather forecast
Santa Lucía Cotzumalguapa, Guatemala

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Weather in December

December presents a remarkable change in Santa Lucía Cotzumalguapa's weather as it marks the year-end with the least rainfall, a meager 6mm (0.24"), and a warm welcome to the dry season. The tropical sun shines in all its grandeur, warming the city for the festivities. The weather, coupled with the holiday spirit, makes December a sought-after time for visiting Santa Lucía Cotzumalguapa.

Temperature

In December, Santa Lucía Cotzumalguapa experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 28.2°C (82.8°F) in November to a still moderately hot 28.6°C (83.5°F). Santa Lucía Cotzumalguapa's average low-temperature for the month of December records at a refreshing 17.3°C (63.1°F).

Heat index

December's heat index is estimated at a tropical 31°C (87.8°F). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

The average relative humidity in December is 67%.

Rainfall

In Santa Lucía Cotzumalguapa, Guatemala, during December, the rain falls for 6.7 days and regularly aggregates up to 6mm (0.24") of precipitation. Throughout the year, in Santa Lucía Cotzumalguapa, there are 228.7 rainfall days, and 1368mm (53.86") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 11h and 18min of daylight.
On the first day of the month, sunrise is at 06:13 and sunset at 17:33. On the last day of December, sunrise is at 06:28 and sunset at 17:46 CST.

Sunshine

With an average of 7.6h of sunshine, December has the least sunshine of the year.

UV index

The months with the highest UV index in Santa Lucía Cotzumalguapa are January through December, with an average maximum UV index of 6. The months with the lowest UV index in Santa Lucía Cotzumalguapa are January through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in December transforms into the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Feb 15, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

Is it hot in Santa Lucía Cotzumalguapa during December?

The high-temperature in Santa Lucía Cotzumalguapa, Guatemala, during December is 28.6°C (83.5°F) and the low-temperature is 17.3°C (63.1°F). In December, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 31°C (87.8°F).

What is the average humidity in December in Santa Lucía Cotzumalguapa?

In Santa Lucía Cotzumalguapa, Guatemala, the average relative humidity in December is 67%.

How many days does it rain in December in Santa Lucía Cotzumalguapa?

In December, in Santa Lucía Cotzumalguapa, the rain falls for 6.7 days. Throughout December, 6mm (0.24") of precipitation is accumulated.

What is the month with the shortest days in Santa Lucía Cotzumalguapa?

December has the shortest days of the year in Santa Lucía Cotzumalguapa, Guatemala, with an average of 11h and 18min of daylight.

How many hours of daylight does Santa Lucía Cotzumalguapa have in December?

The average day length in December is 11h and 18min.

When is the sunrise / sunset in December in Santa Lucía Cotzumalguapa?

In December, on the first day of the month, sunrise is at 06:13 and sunset at 17:33. On the last day of the month, in Santa Lucía Cotzumalguapa, sunrise is at 06:28 and sunset at 17:46 CST.

What is the month with the least sunshine in Santa Lucía Cotzumalguapa?

The month with the least sunshine is December, with an average of 7.6h of sunshine.

How long on average sun shines in December in Santa Lucía Cotzumalguapa?

In December, the average sunshine duration in Santa Lucía Cotzumalguapa, Guatemala, is 7.6h.

What are the months with the highest UV index in Santa Lucía Cotzumalguapa?

The months with the highest UV index in Santa Lucía Cotzumalguapa, Guatemala, are January through December, with an average maximum UV index of 6.

What are the months with the lowest UV index in Santa Lucía Cotzumalguapa?

The months with the lowest UV index in Santa Lucía Cotzumalguapa, Guatemala, are January through December, with an average maximum UV index of 6.

What is the UV index reading in December in Santa Lucía Cotzumalguapa?

In Santa Lucía Cotzumalguapa, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Santa Lucía Cotzumalguapa, Guatemala

Average temperature in December - Santa Lucía Cotzumalguapa, Guatemala
  • Average high temperature in December: 28.6°C

The warmest month (with the highest average high temperature) is March (30.6°C).
The month with the lowest average high temperature is October (27.1°C).

  • Average low temperature in December: 17.3°C

The month with the highest average low temperature is May (20.7°C).
The coldest month (with the lowest average low temperature) is January (17.2°C).

Average pressure in December
Santa Lucía Cotzumalguapa, Guatemala

Average pressure in December - Santa Lucía Cotzumalguapa, Guatemala
  • Average pressure in December: 1014mbar

The month with the highest atmospheric pressure is January (1014.6mbar).
The months with the lowest atmospheric pressure are May and October (1012.2mbar).

Average wind speed in December
Santa Lucía Cotzumalguapa, Guatemala

Average wind speed in December - Santa Lucía Cotzumalguapa, Guatemala
  • Average wind speed in December: 8.7km/h

The windiest month (with the highest average wind speed) is January (9.3km/h).
The calmest month (with the lowest average wind speed) is September (5.6km/h).

Average humidity in December
Santa Lucía Cotzumalguapa, Guatemala

Average humidity in December - Santa Lucía Cotzumalguapa, Guatemala
  • Average humidity in December: 67%

The month with the highest relative humidity is September (84%).
The month with the lowest relative humidity is March (61%).

Average rainfall in December
Santa Lucía Cotzumalguapa, Guatemala

Average rainfall in December - Santa Lucía Cotzumalguapa, Guatemala
  • Average rainfall in December: 6mm

The wettest month (with the highest rainfall) is June (240mm).
The driest month (with the least rainfall) is January (4mm).

Average rainfall days in December
Santa Lucía Cotzumalguapa, Guatemala

Average rainfall days in December - Santa Lucía Cotzumalguapa, Guatemala
  • Average rainfall days in December: 6.7 days

The month with the highest number of rainy days is September (29.4 days).
The month with the least rainy days is January (4.3 days).

Average daylight in December /
Average sunshine in December
Santa Lucía Cotzumalguapa, Guatemala

Average daylight in December / Average sunshine in December - Santa Lucía Cotzumalguapa, Guatemala
  • Average daylight in December: 11h and 2min

The month with the longest days is June (Average daylight: 13h and 0min).
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 36min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).

Average sunshine days in December
Santa Lucía Cotzumalguapa, Guatemala

Average sunshine days in December - Santa Lucía Cotzumalguapa, Guatemala
  • Average sunshine days in December: 22.3 days

The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is September (0.3 days).

Average UV index in December
Santa Lucía Cotzumalguapa, Guatemala

Average UV index in December - Santa Lucía Cotzumalguapa, Guatemala
  • Average UV index in December: 6

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

Average cloud cover in December
Santa Lucía Cotzumalguapa, Guatemala

Average cloud cover in December - Santa Lucía Cotzumalguapa, Guatemala
  • Average cloud cover in December: 11

The month with the most cloud cover is September (Cloud cover 42).
The months with the least cloud cover are January and December (Cloud cover 11).

Average visibility in December
Santa Lucía Cotzumalguapa, Guatemala

Average visibility in December - Santa Lucía Cotzumalguapa, Guatemala
  • Average visibility in December: 10km

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

Santa Lucía Cotzumalguapa, Guatemala

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