Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The average high-temperature is a still moderately hot 28.6°C (83.5°F) in December, hardly different from the 28.2°C (82.8°F) recorded in November. Nighttime temperatures in Guazacapán, Guatemala, hover around an average low of 17.3°C (63.1°F) in December.Heat index
In December, the heat index is estimated at a hot 31°C (87.8°F). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In Guazacapán, Guatemala, the average relative humidity in December is 67%.Rainfall
In December, in Guazacapán, Guatemala, the rain falls for 6.7 days. Throughout December, 6mm (0.24") of precipitation is accumulated. Throughout the year, in Guazacapán, there are 228.7 rainfall days, and 1368mm (53.86") of precipitation is accumulated.Daylight
The month with the shortest days in Guazacapán is December, with an average of 11h and 18min of daylight.On the first day of December, sunrise is at 06:10 and sunset at 17:31. On the last day of the month, sunrise is at 06:25 and sunset at 17:44 CST.
Sunshine
With an average of 7.6h of sunshine, December has the least sunshine of the year in Guazacapán.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 6. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Guazacapán in December?
What is the average humidity in December in Guazacapán?
How many days does it rain in December in Guazacapán?
What is the month with the shortest days in Guazacapán?
What is the average length of the day in December in Guazacapán?
When are sunrise and sunset in December in Guazacapán?
What is the month with the least sunshine in Guazacapán?
How many hours of sunshine does Guazacapán have in December?
What is the month with the highest UV index in Guazacapán?
What are the months with the lowest UV index in Guazacapán?
What is the UV index intensity in December in Guazacapán?
Average temperature in December
Guazacapán, 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
Guazacapán, 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
Guazacapán, 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
Guazacapán, 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
Guazacapán, 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
Guazacapán, 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
Guazacapán, 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 36min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).
Average sunshine days in December
Guazacapán, 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
Guazacapán, 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
Guazacapán, 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
Guazacapán, 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).
