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

Santa Lucía Cotzumalguapa experiences a minor change to a still warm 28.6°C (83.5°F) in average high-temperature during December, closely reflecting November. December generally records an average low-temperature of 17.3°C (63.1°F).

Heat index

For most parts of December, the heat index is estimated at a tropical 31°C (87.8°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

In December, the average relative humidity is 67%.

Rainfall

In December, the rain falls for 6.7 days. Throughout December, 6mm (0.24") of precipitation is accumulated. Throughout the year, there are 228.7 rainfall days, and 1368mm (53.86") of precipitation is accumulated.

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 06:13 and sunset at 17:33. On the last day of the month, sunrise is at 06:28 and sunset at 17:46 CST.

Sunshine

December has the least sunshine of the year in Santa Lucía Cotzumalguapa, with an average of 7.6h of sunshine.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index in Santa Lucía Cotzumalguapa. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 6 in December transforms into the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

Is it hot during December?

The average high-temperature and low-temperature during December are 28.6°C (83.5°F) and 17.3°C (63.1°F) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in December is estimated at 31°C (87.8°F).

What is the average humidity in December?

The average relative humidity in December is 67%.

How much does it rain in December?

In Santa Lucía Cotzumalguapa, in December, it is raining for 6.7 days, with typically 6mm (0.24") of accumulated precipitation.

What is the month with the shortest days?

With an average of 11h and 18min of daylight, December has the shortest days of the year.

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

In Santa Lucía Cotzumalguapa, the average day length in December is 11h and 18min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 06:13 and sunset at 17:33. On the last day of the month, sunrise is at 06:28 and sunset at 17:46 CST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

The average sunshine duration in December is 7.6h.

What are the months with the highest UV index?

January through December, with an average maximum UV index of 6, are months with the highest UV index.

When is the lowest UV index?

The months with the lowest UV index are January through December, with an average maximum UV index of 6.

What is the UV index intensity in December?

In Santa Lucía Cotzumalguapa, Guatemala, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from 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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