December weather forecastSimití, Colombia

December

Weather in December

The first month of the winter, December, is also a hot month in Simití, Colombia, with an average temperature fluctuating between 20.4°C (68.7°F) and 31.6°C (88.9°F).

Temperature

Upon the onset of December, Simití witnesses an average high-temperature of a still hot 31.6°C (88.9°F), showing a close resemblance to the prior month. Simití records a consistent low-temperature of 20.4°C (68.7°F) during December nights.

Heat index

During December, the heat index is evaluated at a very hot 38°C (100.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In Simití, the average relative humidity in December is 67%.

Rainfall

In December, the rain falls for 14.3 days. Throughout December, 46mm (1.81") of precipitation is accumulated. Throughout the year, there are 233 rainfall days, and 1320mm (51.97") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 11h and 42min of daylight.
On the first day of the month, sunrise is at 05:54 and sunset at 17:35. On the last day of December, sunrise is at 06:08 and sunset at 17:49 -05.

Sunshine

The average sunshine in December is 8.1h.

UV index

The months with the lowest UV index in Simití are September through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 6 in December transforms into this advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

December temperatures in Simití vary between a high-temperature of 31.6°C (88.9°F) and a low-temperature of 20.4°C (68.7°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in December is evaluated at 38°C (100.4°F).

In December, the average relative humidity is 67%.

In Simití, during December, the rain falls for 14.3 days and regularly aggregates up to 46mm (1.81") of precipitation.

The month with the shortest days is December, with an average of 11h and 42min of daylight.

In December, the average day length is 11h and 40min.

On the first day of December in Simití, sunrise is at 05:54 and sunset at 17:35. On the last day of the month, sunrise is at 06:08 and sunset at 17:49 -05.

In December, the average sunshine duration is 8.1h.

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

In Simití, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Simití, Colombia

  • Average high temperature in December: 31.6°C

The warmest month (with the highest average high temperature) is February (34°C).
The month with the lowest average high temperature is November (30.2°C).

  • Average low temperature in December: 20.4°C

The months with the highest average low temperature are March and April (22°C).
The coldest month (with the lowest average low temperature) is December (20.4°C).

Average pressure in December
Simití, Colombia

  • Average pressure in December: 1010.4mbar

The months with the highest atmospheric pressure are January and June (1010.8mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).

Average wind speed in December
Simití, Colombia

  • Average wind speed in December: 4.8km/h

The windiest month (with the highest average wind speed) is January (5.2km/h).
The calmest month (with the lowest average wind speed) is April (4.2km/h).

Average humidity in December
Simití, Colombia

  • Average humidity in December: 67%

The months with the highest relative humidity are October and November (76%).
The month with the lowest relative humidity is February (59%).

Average rainfall in December
Simití, Colombia

  • Average rainfall in December: 46mm

The wettest month (with the highest rainfall) is October (223mm).
The driest month (with the least rainfall) is January (20mm).

Average rainfall days in December
Simití, Colombia

  • Average rainfall days in December: 14.3 days

The month with the highest number of rainy days is October (26.8 days).
The month with the least rainy days is January (8.4 days).

Average daylight in December /
Average sunshine in December
Simití, Colombia

  • Average daylight in December: 11h and 42min

The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in December: 8h and 6min

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 7h and 42min).

Average sunshine days in December
Simití, Colombia

  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is October (3.2 days).

Average UV index in December
Simití, Colombia

  • Average UV index in December: 6

The months with the highest UV index are January, February, March, April, May, June, July and August (UV index 7).
The months with the lowest UV index are September, October, November and December (UV index 6).

Average cloud cover in December
Simití, Colombia

  • Average cloud cover in December: 23

The month with the most cloud cover is October (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 17).

Average visibility in December
Simití, Colombia

  • Average visibility in December: 10km

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