December weather forecastChamberlain, Uruguay

December

Weather in December

The first month of the summer, December, is still a warm month in Chamberlain, Uruguay, with an average temperature varying between 29.1°C (84.4°F) and 15.9°C (60.6°F).

Temperature

Chamberlain observes a slight uplift in the average high-temperature with the onset of December, adjusting from November's 26.1°C (79°F) to a still moderately hot 29.1°C (84.4°F). December's nights exhibit a sharp contrast from day highs, with an average temperature of 15.9°C (60.6°F).

Heat index

December's average heat index is calculated to be a hot 32°C (89.6°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in December is 63%.

Rainfall

In Chamberlain, during December, the rain falls for 10.5 days and regularly aggregates up to 72mm (2.83") of precipitation. Throughout the year, there are 123.8 rainfall days, and 762mm (30") of precipitation is accumulated.

Snowfall

January through June, August through December are months without snowfall.

Daylight

December has the longest days of the year, with an average of 14h and 18min of daylight.
On the first day of December, sunrise is at 05:30 and sunset at 19:39. On the last day of the month, sunrise is at 05:41 and sunset at 19:57 -03.

Sunshine

With an average of 10.7h of sunshine, December has the most sunshine of the year.

UV index

In December, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 6 during December morphs into the following directions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

In Chamberlain, in December, the average high-temperature is 29.1°C (84.4°F), and the average low-temperature is 15.9°C (60.6°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in December is calculated to be 32°C (89.6°F).

The average relative humidity in December is 63%.

In Chamberlain, Uruguay, in December, during 10.5 rainfall days, 72mm (2.83") of precipitation is typically accumulated.

January through June, August through December are months without snowfall.

December has the longest days of the year, with an average of 14h and 18min of daylight.

In December, the average day length is 14h and 16min.

On the first day of December, sunrise is at 05:30 and sunset at 19:39. On the last day of the month, sunrise is at 05:41 and sunset at 19:57 -03.

With an average of 10.7h of sunshine, December has the most sunshine of the year.

In Chamberlain, the average sunshine duration in December is 10.7h.

In Chamberlain, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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 snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Chamberlain, Uruguay

  • Average high temperature in December: 29.1°C

The warmest month (with the highest average high temperature) is January (30.8°C).
The month with the lowest average high temperature is July (14.8°C).

  • Average low temperature in December: 15.9°C

The month with the highest average low temperature is February (18.3°C).
The coldest month (with the lowest average low temperature) is July (6.6°C).

Average pressure in December
Chamberlain, Uruguay

  • Average pressure in December: 1010.9mbar

The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is December (1010.9mbar).

Average wind speed in December
Chamberlain, Uruguay

  • Average wind speed in December: 15.2km/h

The windiest months (with the highest average wind speed) are September and October (16.7km/h).
The calmest month (with the lowest average wind speed) is April (13.7km/h).

Average humidity in December
Chamberlain, Uruguay

  • Average humidity in December: 63%

The months with the highest relative humidity are May and July (82%).
The month with the lowest relative humidity is January (60%).

Average rainfall in December
Chamberlain, Uruguay

  • Average rainfall in December: 72mm

The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is March (42mm).

Average rainfall days in December
Chamberlain, Uruguay

  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is October (11.7 days).
The month with the least rainy days is June (8.8 days).

Average snowfall days in December
Chamberlain, Uruguay

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Chamberlain, Uruguay

  • Average daylight in December: 14h and 18min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in December: 10h and 42min

The month with the most sunshine is December (Average sunshine: 10h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).

Average sunshine days in December
Chamberlain, Uruguay

  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is February (16.1 days).

Average UV index in December
Chamberlain, Uruguay

  • Average UV index in December: 6

The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May and June (UV index 3).

Average cloud cover in December
Chamberlain, Uruguay

  • Average cloud cover in December: 23

The month with the most cloud cover is July (Cloud cover 40).
The month with the least cloud cover is January (Cloud cover 22).

Average visibility in December
Chamberlain, Uruguay

  • Average visibility in December: 10km

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