December weather forecast
Conchillas, Uruguay

December

Weather in December

December, the first month of the summer in Conchillas, is a moderately hot month, with an average temperature varying between 19.4°C (66.9°F) and 25.3°C (77.5°F).

Temperature

With the beginning of December, Conchillas's average high-temperature sees a minor increase, transitioning from a pleasant 22°C (71.6°F) in November to a moderately hot 25.3°C (77.5°F). Conchillas observes an average low-temperature of 19.4°C (66.9°F) during December nights.

Humidity

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

Rainfall

In Conchillas, Uruguay, during December, the rain falls for 10 days and regularly aggregates up to 66mm (2.6") of precipitation. In Conchillas, during the entire year, the rain falls for 114.7 days and collects up to 678mm (26.69") of precipitation.

Daylight

The month with the longest days is December, with an average of 14h and 24min of daylight.
On the first day of December, sunrise is at 05:33 and sunset at 19:49. On the last day of the month, sunrise is at 05:43 and sunset at 20:07 -03.

Sunshine

With an average of 11.1h of sunshine, December has the most sunshine of the year.

UV index

The months with the highest UV index are January through March, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. 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. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

What are December temperatures?
The high-temperature, in December, in Conchillas, is 25.3°C (77.5°F), while the low-temperature averages to 19.4°C (66.9°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in January is evaluated at 29°C (84.2°F).
What is the average humidity in December?
The average relative humidity in December is 67%.
How much does it rain in Conchillas in December?
In Conchillas, in December, during 10 rainfall days, 66mm (2.6") of precipitation is typically accumulated.
When are the longest days?
The month with the longest days is December, with an average of 14h and 24min of daylight.
What is the average length of the day in December?
The average day length in December in Conchillas is 14h and 23min.
When is the sunrise / sunset in December in Conchillas?
On the first day of December, sunrise is at 05:33 and sunset at 19:49. On the last day of the month, sunrise is at 05:43 and sunset at 20:07 -03.
What month has the most sunshine?
With an average of 11.1h of sunshine, December has the most sunshine of the year in Conchillas.
How long on average sun shines in December?
In December, the average sunshine duration is 11.1h.
When is the highest UV index?
January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index.
How high is the UV index in December?
In Conchillas, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe 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
Conchillas, Uruguay
  • Average high temperature in December: 25.3°C

The warmest month (with the highest average high temperature) is January (27.2°C).
The month with the lowest average high temperature is July (13.1°C).

  • Average low temperature in December: 19.4°C

The month with the highest average low temperature is January (21.3°C).
The coldest month (with the lowest average low temperature) is July (9.6°C).

Average pressure in December
Conchillas, Uruguay
  • Average pressure in December: 1011.1mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).

Average wind speed in December
Conchillas, Uruguay
  • Average wind speed in December: 18.1km/h

The windiest month (with the highest average wind speed) is September (21.1km/h).
The calmest month (with the lowest average wind speed) is December (18.1km/h).

Average humidity in December
Conchillas, Uruguay
  • Average humidity in December: 67%

The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is January (66%).

Average rainfall in December
Conchillas, Uruguay
  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is May (43mm).

Average rainfall days in December
Conchillas, Uruguay
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is March (11 days).
The month with the least rainy days is June (8.2 days).

Average daylight in December /
Average sunshine in December
Conchillas, Uruguay
  • Average daylight in December: 14h and 2min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in December: 11h and 1min

The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).

Average sunshine days in December
Conchillas, Uruguay
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (16.6 days).

Average UV index in December
Conchillas, Uruguay
  • Average UV index in December: 6

The months with the highest UV index are January, February, March, November and December (UV index 6).
The month with the lowest UV index is July (UV index 3).

Average cloud cover in December
Conchillas, Uruguay
  • Average cloud cover in December: 19

The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 17).

Average visibility in December
Conchillas, Uruguay
  • Average visibility in December: 10km

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

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