December weather forecastMontes, Uruguay

December

Weather in December

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

Temperature

Montes's weather in December shows a minor rise in the average high-temperature, moving slightly up from November's agreeable 22°C (71.6°F) to a moderately hot 25.2°C (77.4°F). Throughout the month of December, Montes expects an average low of 17.8°C (64°F).

Humidity

The average relative humidity in December in Montes is 68%.

Rainfall

In Montes, during December, the rain falls for 9.9 days and regularly aggregates up to 62mm (2.44") of precipitation. In Montes, 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 the month, sunrise is at 05:22 and sunset at 19:40. On the last day of December, sunrise is at 05:32 and sunset at 19:58 -03.

Sunshine

The months with the most sunshine 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 of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 6 in December translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Montes, is 25.2°C (77.4°F), while the low-temperature averages to 17.8°C (64°F). In January, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 29°C (84.2°F).

The average relative humidity in December is 68%.

In Montes, in December, it is raining for 9.9 days, with typically 62mm (2.44") of accumulated precipitation.

The month with the longest days is December, with an average of 14h and 24min of daylight.

The average day length in December is 14h and 25min.

On the first day of December in Montes, Uruguay, sunrise is at 05:22 and sunset at 19:40. On the last day of the month, sunrise is at 05:32 and sunset at 19:58 -03.

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

In December, the average sunshine duration is 10.9h.

The months with the highest UV index are January through March and December, with an average maximum UV index of 6.

In Montes, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

22°C

25.2°C

27.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

19.4km/h

18.6km/h

19km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

18.2

19.5

21.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Montes, 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
Montes, 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
Montes, 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
Montes, 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
Montes, 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
Montes, 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
Montes, Uruguay

Average daylight in December: 14h and 24min

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 54min

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
Montes, 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
Montes, 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
Montes, 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
Montes, 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).