Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
In Treinta y Tres, stepping into December brings a gentle temperature nudge, moving slightly up from November's warm 25.2°C (77.4°F) to a still moderately hot 28.2°C (82.8°F). Treinta y Tres's nights in December are distinguished by a pronounced temperature shift from the day, with an average low of 15.3°C (59.5°F).Heat index
In December, the average heat index is evaluated at a hot 31°C (87.8°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Observations indicate that the heat index values are for shady locations with light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In Treinta y Tres, the average relative humidity in December is 70%.Rainfall
In Treinta y Tres, in December, during 11.3 rainfall days, 63mm (2.48") of precipitation is typically accumulated. In Treinta y Tres, during the entire year, the rain falls for 139.1 days and collects up to 799mm (31.46") of precipitation.Daylight
December has the longest days of the year, with an average of 14h and 18min of daylight.On the first day of the month, sunrise is at 05:20 and sunset at 19:31. On the last day of December, sunrise is at 05:31 and sunset at 19:49 -03.
Sunshine
December has the most sunshine of the year, with an average of 10.3h 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 hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 6 in December transforms into the following instructions:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in December?
What is the average humidity in December?
How many days does it rain in December?
When are the longest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What month has the most sunshine?
How long on average sun shines in December?
What is the month with the highest UV index?
How high is the UV index in December?
Average temperature in December
Treinta y Tres, Uruguay
- Average high temperature in December: 28.2°C
The warmest month (with the highest average high temperature) is January (29.8°C).
The month with the lowest average high temperature is July (15.3°C).
- Average low temperature in December: 15.3°C
The month with the highest average low temperature is February (17.5°C).
The coldest month (with the lowest average low temperature) is July (7.2°C).
Average pressure in December
Treinta y Tres, Uruguay
- Average pressure in December: 1011.4mbar
The month with the highest atmospheric pressure is July (1019.3mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed in December
Treinta y Tres, Uruguay
- Average wind speed in December: 14.4km/h
The windiest months (with the highest average wind speed) are September and October (15.4km/h).
The calmest month (with the lowest average wind speed) is May (12.6km/h).
Average humidity in December
Treinta y Tres, Uruguay
- Average humidity in December: 70%
The months with the highest relative humidity are May and July (82%).
The month with the lowest relative humidity is January (68%).
Average rainfall in December
Treinta y Tres, Uruguay
- Average rainfall in December: 63mm
The wettest month (with the highest rainfall) is October (99mm).
The driest months (with the least rainfall) are March and April (44mm).
Average rainfall days in December
Treinta y Tres, Uruguay
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is January (13.2 days).
The month with the least rainy days is June (9.6 days).
Average daylight in December /
Average sunshine in December
Treinta y Tres, Uruguay
- Average daylight in December: 14h and 2min
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 2min
The month with the most sunshine is December (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 5h and 36min).
Average sunshine days in December
Treinta y Tres, Uruguay
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is February (13.6 days).
Average UV index in December
Treinta y Tres, 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 May (UV index 3).
Average cloud cover in December
Treinta y Tres, Uruguay
- Average cloud cover in December: 28
The month with the most cloud cover is September (Cloud cover 42).
The month with the least cloud cover is December (Cloud cover 28).
Average visibility in December
Treinta y Tres, Uruguay
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
