December weather forecastChalán, Colombia
December
Weather in December
December, the first month of the winter in Chalán, is still a hot month, with an average temperature fluctuating between 22.8°C (73°F) and 32.1°C (89.8°F).Temperature
With the onset of December, a modest change to a still hot 32.1°C (89.8°F) from November's 30.9°C (87.6°F) is noted in high-temperature. December brings with it a nighttime average temperature of 22.8°C (73°F).Heat index
December's mean heat index is calculated to be a scorching 44°C (111.2°F). Keep alert: Heat cramps and heat exhaustion are probable. Heatstroke is a potential danger with continued physical activity.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. 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.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
In December, the average relative humidity is 79%.Rainfall
In December, the rain falls for 17.8 days. Throughout December, 48mm (1.89") of precipitation is accumulated. In Chalán, during the entire year, the rain falls for 261.6 days and collects up to 1161mm (45.71") of precipitation.Daylight
December has the shortest days of the year, with an average of 11h and 36min of daylight.On the first day of the month, sunrise is at 06:02 and sunset at 17:38. On the last day of December, sunrise is at 06:17 and sunset at 17:51 -05.
Sunshine
With an average of 7h of sunshine, December has the least sunshine of the year.UV index
January through September and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 7 turns into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chalán, Colombia
- Average high temperature in December: 32.1°C
The warmest month (with the highest average high temperature) is February (35.6°C).
The month with the lowest average high temperature is November (30.9°C).
- Average low temperature in December: 22.8°C
The months with the highest average low temperature are March and April (25.1°C).
The coldest month (with the lowest average low temperature) is December (22.8°C).
Average pressure in December
Chalán, Colombia
- Average pressure in December: 1008.6mbar
The months with the highest atmospheric pressure are May and September (1009.3mbar).
The months with the lowest atmospheric pressure are February and December (1008.6mbar).
Average wind speed in December
Chalán, Colombia
- Average wind speed in December: 6.1km/h
The windiest month (with the highest average wind speed) is March (7.7km/h).
The calmest months (with the lowest average wind speed) are May, June, November and December (6.1km/h).
Average humidity in December
Chalán, Colombia
- Average humidity in December: 79%
The months with the highest relative humidity are October and November (85%).
The month with the lowest relative humidity is February (65%).
Average rainfall in December
Chalán, Colombia
- Average rainfall in December: 48mm
The wettest month (with the highest rainfall) is October (174mm).
The driest months (with the least rainfall) are January and February (19mm).
Average rainfall days in December
Chalán, Colombia
- Average rainfall days in December: 17.8 days
The month with the highest number of rainy days is October (28.5 days).
The month with the least rainy days is February (10.8 days).
Average daylight in December /
Average sunshine in December
Chalán, Colombia
- Average daylight in December: 11h and 36min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Chalán, Colombia
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is November (1.7 days).
Average UV index in December
Chalán, Colombia
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September and December (UV index 7).
The months with the lowest UV index are October and November (UV index 6).
Average cloud cover in December
Chalán, Colombia
- Average cloud cover in December: 31
The month with the most cloud cover is October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 23).
Average visibility in December
Chalán, Colombia
- Average visibility in December: 9km
The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are August, September, October and November (8km).
