December weather forecastSamayac, Guatemala

December

Weather in December

December, the first month of the winter in Samayac, is still a warm month, with an average temperature ranging between min 17.6°C (63.7°F) and max 29.5°C (85.1°F).

Temperature

Samayac's average high-temperature in December is a still moderately hot 29.5°C (85.1°F), indicating a subtle variation from November. During the month of December, an average low-temperature of 17.6°C (63.7°F) is recorded in Samayac.

Heat index

In December, the heat index is appraised at a hot 32°C (89.6°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
Observations indicate that the heat index values are for shady locations with light wind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. 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. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The average relative humidity in December is 63%.

Rainfall

In Samayac, in December, it is raining for 7.6 days, with typically 17mm (0.67") of accumulated precipitation. In Samayac, during the entire year, the rain falls for 222.8 days and collects up to 1491mm (58.7") of precipitation.

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 06:15 and sunset at 17:34. On the last day of December, sunrise is at 06:30 and sunset at 17:47 CST.

Sunshine

In December, the average sunshine is 7.5h.

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. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. 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. 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
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, in Samayac, the average high-temperature is 29.5°C (85.1°F), and the average low-temperature is 17.6°C (63.7°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in December is appraised at 32°C (89.6°F).

In Samayac, Guatemala, the average relative humidity in December is 63%.

In Samayac, Guatemala, during December, the rain falls for 7.6 days and regularly aggregates up to 17mm (0.67") of precipitation.

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

In December, the average day length in Samayac is 11h and 17min.

On the first day of December in Samayac, sunrise is at 06:15 and sunset at 17:34. On the last day of the month, sunrise is at 06:30 and sunset at 17:47 CST.

In December, the average sunshine duration in Samayac, Guatemala, is 7.5h.

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 Samayac, Guatemala.

In December, the average daily maximum UV index in Samayac, Guatemala, is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

29.3°C

29.5°C

30°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.9km/h

7.3km/h

7.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

21.5

24.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Samayac, Guatemala

Average high temperature in December: 29.5°C

The warmest month (with the highest average high temperature) is March (31.5°C).
The month with the lowest average high temperature is September (28.5°C).

Average low temperature in December: 17.6°C

The month with the highest average low temperature is May (20.5°C).
The coldest month (with the lowest average low temperature) is December (17.6°C).

Average pressure in December
Samayac, Guatemala

Average pressure in December: 1013.9mbar

The month with the highest atmospheric pressure is January (1014.5mbar).
The month with the lowest atmospheric pressure is October (1012.2mbar).

Average wind speed in December
Samayac, Guatemala

Average wind speed in December: 6.4km/h

The windiest month (with the highest average wind speed) is March (6.6km/h).
The calmest month (with the lowest average wind speed) is May (5.1km/h).

Average humidity in December
Samayac, Guatemala

Average humidity in December: 63%

The months with the highest relative humidity are September and October (79%).
The months with the lowest relative humidity are January, February and March (59%).

Average rainfall in December
Samayac, Guatemala

Average rainfall in December: 17mm

The wettest month (with the highest rainfall) is May (274mm).
The driest months (with the least rainfall) are January and February (7mm).

Average rainfall days in December
Samayac, Guatemala

Average rainfall days in December: 7.6 days

The month with the highest number of rainy days is September (27.5 days).
The month with the least rainy days is January (4.8 days).

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

Average daylight in December: 11h and 18min

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 30min

The months with the most sunshine are April and July (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).

Average sunshine days in December
Samayac, Guatemala

Average sunshine days in December: 21.5 days

The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is September (1.5 days).

Average UV index in December
Samayac, 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
Samayac, Guatemala

Average cloud cover in December: 13

The month with the most cloud cover is June (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 12).

Average visibility in December
Samayac, 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 May, June, July, August, September, October and November (9km).