December weather forecast
San Carlos, Bolivia

December

Weather in December

The first month of the summer, December, is also a hot month in San Carlos, Bolivia, with an average temperature fluctuating between 30.7°C (87.3°F) and 21.9°C (71.4°F).

Temperature

The shift into December reveals an average high-temperature of a still hot 30.7°C (87.3°F), closely mirroring November's climate. During December, the average low-temperature in San Carlos is an agreeable 21.9°C (71.4°F).

Heat index

In December, the average heat index is evaluated at a fiery hot 39°C (102.2°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

In December, the average relative humidity is 77%.

Rainfall

The month with the most rainfall in San Carlos, Bolivia, is December, when the rain falls for 22.7 days and typically aggregates up to 141mm (5.55") of precipitation.

Daylight

With an average of 13h and 12min of daylight, December has the longest days of the year.
On the first day of December in San Carlos, sunrise is at 05:31 and sunset at 18:37. On the last day of the month, sunrise is at 05:43 and sunset at 18:52 -04.

Sunshine

In San Carlos, the average sunshine in December is 8.7h.

UV index

In San Carlos, Bolivia, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

How hot is it in San Carlos in December?
In San Carlos, 30.7°C (87.3°F) is the average high-temperature and 21.9°C (71.4°F) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in December is evaluated at 39°C (102.2°F).
What is the average humidity in December in San Carlos?
In San Carlos, the average relative humidity in December is 77%.
What is the wettest month in San Carlos?
The month with the most rainfall in San Carlos, Bolivia, is December, when the rain falls for 22.7 days and typically aggregates up to 141mm (5.55") of precipitation.
How many days does it rain in December in San Carlos?
In San Carlos, during December, the rain falls for 22.7 days and regularly aggregates up to 141mm (5.55") of precipitation.
When are the longest days in San Carlos?
With an average of 13h and 12min of daylight, December has the longest days of the year in San Carlos, Bolivia.
What is the average length of the day in December in San Carlos?
In December, the average day length is 13h and 9min.
When are sunrise and sunset in December in San Carlos?
In December, on the first day of the month, sunrise is at 05:31 and sunset at 18:37. On the last day of the month, in San Carlos, sunrise is at 05:43 and sunset at 18:52 -04.
How long on average sun shines in December in San Carlos?
The average sunshine duration in December is 8.7h.
How high is the UV index in December in San Carlos?
The average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
San Carlos, Bolivia
  • Average high temperature in December: 30.7°C

The warmest month (with the highest average high temperature) is October (32.5°C).
The month with the lowest average high temperature is June (24.9°C).

  • Average low temperature in December: 21.9°C

The months with the highest average low temperature are February and December (21.9°C).
The coldest month (with the lowest average low temperature) is July (15.7°C).

Average pressure in December
San Carlos, Bolivia
  • Average pressure in December: 1008.3mbar

The month with the highest atmospheric pressure is July (1015.3mbar).
The months with the lowest atmospheric pressure are November and December (1008.3mbar).

Average wind speed in December
San Carlos, Bolivia
  • Average wind speed in December: 10.7km/h

The windiest month (with the highest average wind speed) is September (12.4km/h).
The calmest month (with the lowest average wind speed) is March (8.6km/h).

Average humidity in December
San Carlos, Bolivia
  • Average humidity in December: 77%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is September (51%).

Average rainfall in December
San Carlos, Bolivia
  • Average rainfall in December: 141mm

The wettest month (with the highest rainfall) is December (141mm).
The driest month (with the least rainfall) is August (19mm).

Average rainfall days in December
San Carlos, Bolivia
  • Average rainfall days in December: 22.7 days

The month with the highest number of rainy days is January (24.5 days).
The month with the least rainy days is August (5.8 days).

Average daylight in December /
Average sunshine in December
San Carlos, Bolivia
  • Average daylight in December: 13h and 1min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).

  • Average sunshine in December: 8h and 4min

The month with the most sunshine is October (Average sunshine: 10h and 36min).
The month with the least sunshine is May (Average sunshine: 5h and 30min).

Average sunshine days in December
San Carlos, Bolivia
  • Average sunshine days in December: 6.7 days

The month with the most sunshine days is August (23.3 days).
The month with the least sunshine days is February (4.8 days).

Average UV index in December
San Carlos, Bolivia
  • Average UV index in December: 6

The months with the highest UV index are January, August, September and October (UV index 7).
The month with the lowest UV index is May (UV index 5).

Average cloud cover in December
San Carlos, Bolivia
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 23).

Average visibility in December
San Carlos, Bolivia
  • Average visibility in December: 9km

The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February, March, April and May (8km).

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