December weather forecast
Garibaldi, Uruguay

December

Weather in December

December, the first month of the summer in Garibaldi, is a tropical month, with an average temperature ranging between max 30°C (86°F) and min 18.1°C (64.6°F).

Temperature

As December begins, there's a slight increase in the average high-temperature, moving from a moderately hot 27°C (80.6°F) in November to a hot 30°C (86°F). During December, Garibaldi observes a consistent average nighttime temperature of 18.1°C (64.6°F).

Heat index

The heat index in December is evaluated at a tropical 34°C (93.2°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Garibaldi, Uruguay, the average relative humidity in December is 64%.

Rainfall

In Garibaldi, during December, the rain falls for 11.6 days and regularly aggregates up to 81mm (3.19") of precipitation. Throughout the year, there are 116 rainfall days, and 832mm (32.76") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 14h and 12min of daylight.
On the first day of the month, sunrise is at 05:39 and sunset at 19:41. On the last day of December, sunrise is at 05:50 and sunset at 19:59 -03.

Sunshine

December has the most sunshine of the year, with an average of 10.9h of sunshine.

UV index

January and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 7 during December leads to these advisories:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

How hot does it get in Garibaldi in December?
The average high-temperature and low-temperature during December are 30°C (86°F) and 18.1°C (64.6°F) respectively. In December, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 34°C (93.2°F).
What is the average humidity in December?
In Garibaldi, the average relative humidity in December is 64%.
How many days does it rain in December?
In Garibaldi, Uruguay, in December, during 11.6 rainfall days, 81mm (3.19") of precipitation is typically accumulated.
When are the longest days?
The month with the longest days is December, with an average of 14h and 12min of daylight.
What is the average length of the day in December?
In December, the average day length is 14h and 9min.
When are sunrise and sunset in December in Garibaldi?
On the first day of December, sunrise is at 05:39 and sunset at 19:41. On the last day of the month, sunrise is at 05:50 and sunset at 19:59 -03.
What month has the most sunshine?
The month with the most sunshine is December, with an average of 10.9h of sunshine.
How many hours of sunshine does Garibaldi have in December?
The average sunshine duration in December in Garibaldi is 10.9h.
When is the highest UV index?
January and December, with an average maximum UV index of 7, are months with the highest UV index in Garibaldi, Uruguay.
How high is the UV index in December in Garibaldi?
In Garibaldi, Uruguay, the average daily maximum UV index in December is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
Garibaldi, Uruguay
  • Average high temperature in December: 30°C

The warmest month (with the highest average high temperature) is January (32.1°C).
The month with the lowest average high temperature is July (15.9°C).

  • Average low temperature in December: 18.1°C

The month with the highest average low temperature is January (20.3°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

Average pressure in December
Garibaldi, Uruguay
  • Average pressure in December: 1010.3mbar

The month with the highest atmospheric pressure is July (1019.3mbar).
The month with the lowest atmospheric pressure is December (1010.3mbar).

Average wind speed in December
Garibaldi, Uruguay
  • Average wind speed in December: 11km/h

The windiest month (with the highest average wind speed) is August (13km/h).
The calmest month (with the lowest average wind speed) is April (10.4km/h).

Average humidity in December
Garibaldi, Uruguay
  • Average humidity in December: 64%

The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is January (60%).

Average rainfall in December
Garibaldi, Uruguay
  • Average rainfall in December: 81mm

The wettest month (with the highest rainfall) is January (103mm).
The driest month (with the least rainfall) is July (41mm).

Average rainfall days in December
Garibaldi, Uruguay
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is December (11.6 days).
The month with the least rainy days is August (8.3 days).

Average daylight in December /
Average sunshine in December
Garibaldi, Uruguay
  • Average daylight in December: 14h and 1min

The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).

  • Average sunshine in December: 10h and 5min

The month with the most sunshine is December (Average sunshine: 10h and 54min).
The month with the least sunshine is June (Average sunshine: 5h and 36min).

Average sunshine days in December
Garibaldi, Uruguay
  • Average sunshine days in December: 18 days

The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is February (17.1 days).

Average UV index in December
Garibaldi, Uruguay
  • Average UV index in December: 7

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

Average cloud cover in December
Garibaldi, Uruguay
  • Average cloud cover in December: 22

The month with the most cloud cover is May (Cloud cover 40).
The month with the least cloud cover is January (Cloud cover 21).

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

The months with the highest visibility are January, February, March and December (10km).
The month with the lowest visibility is May (8km).

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