December weather forecast
Fray Marcos, Uruguay

December

Weather in December

The first month of the summer, December, is a warm month in Fray Marcos, Uruguay, with an average temperature varying between 17.8°C (64°F) and 25.2°C (77.4°F).

Temperature

With the onset of December, Fray Marcos experiences a subtle temperature shift, with the average high-temperature moving from a pleasant 22°C (71.6°F) in November to a warm 25.2°C (77.4°F). In December, the temperature in Fray Marcos drops to an average of 17.8°C (64°F) at night.

Humidity

In Fray Marcos, the average relative humidity in December is 68%.

Rainfall

In Fray Marcos, in December, during 9.9 rainfall days, 62mm (2.44") of precipitation is typically accumulated. In Fray Marcos, during the entire year, the rain falls for 122.1 days and collects up to 681mm (26.81") 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 05:24 and sunset at 19:40. On the last day of the month, sunrise is at 05:34 and sunset at 19:58 -03.

Sunshine

The months with the most sunshine in Fray Marcos are January and December, with an average of 10.9h of sunshine.

UV index

January through March and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 6 in December translates into this advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

What is the temperature in December in Fray Marcos?
In December, in Fray Marcos, the average high-temperature is 25.2°C (77.4°F), and the average low-temperature is 17.8°C (64°F). In January, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 29°C (84.2°F).
What is the average humidity in December?
The average relative humidity in December is 68%.
How many days does it rain in December?
In Fray Marcos, in December, during 9.9 rainfall days, 62mm (2.44") of precipitation is typically accumulated.
When are the longest days?
With an average of 14h and 24min of daylight, December has the longest days of the year.
How many hours of daylight does Fray Marcos have in December?
The average day length in December is 14h and 23min.
When are sunrise and sunset in December?
On the first day of December, sunrise is at 05:24 and sunset at 19:40. On the last day of the month, sunrise is at 05:34 and sunset at 19:58 -03.
What are the months with the most sunshine?
January and December, with an average of 10.9h of sunshine, are months with the most sunshine.
How many hours of sunshine does Fray Marcos have in December?
In Fray Marcos, the average sunshine duration in December is 10.9h.
What is the month with the highest UV index?
January through March and December, with an average maximum UV index of 6, are months with the highest UV index.
What is the UV index reading in December in Fray Marcos?
In Fray Marcos, Uruguay, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health risk 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Fray Marcos, Uruguay
  • Average high temperature in December: 25.2°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 (13.3°C).

  • Average low temperature in December: 17.8°C

The month with the highest average low temperature is January (20°C).
The coldest month (with the lowest average low temperature) is July (8.8°C).

Average pressure in December
Fray Marcos, Uruguay
  • Average pressure in December: 1011.2mbar

The month with the highest atmospheric pressure is July (1018.8mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).

Average wind speed in December
Fray Marcos, Uruguay
  • Average wind speed in December: 17.4km/h

The windiest month (with the highest average wind speed) is September (19.6km/h).
The calmest month (with the lowest average wind speed) is May (17.2km/h).

Average humidity in December
Fray Marcos, Uruguay
  • Average humidity in December: 68%

The months with the highest relative humidity are July and September (79%).
The month with the lowest relative humidity is January (65%).

Average rainfall in December
Fray Marcos, Uruguay
  • Average rainfall in December: 62mm

The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is January (42mm).

Average rainfall days in December
Fray Marcos, Uruguay
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is January (8.4 days).

Average daylight in December /
Average sunshine in December
Fray Marcos, 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: 10h and 5min

The months with the most sunshine are January and December (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 30min).

Average sunshine days in December
Fray Marcos, Uruguay
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is September (16.5 days).

Average UV index in December
Fray Marcos, Uruguay
  • Average UV index in December: 6

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

Average cloud cover in December
Fray Marcos, Uruguay
  • Average cloud cover in December: 22

The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 20).

Average visibility in December
Fray Marcos, 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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