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
The start of December brings a subtle rise in the average high-temperature, moving from a warm 26.8°C (80.2°F) in November to a tropical 30°C (86°F). The average low-temperature reading in December for Beisso reflects a significant fall from the daytime highs, stabilizing at an enjoyable 16.7°C (62.1°F).Heat index
The heat index for December is appraised at a tropical 34°C (93.2°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in December is 64%.Rainfall
In Beisso, in December, it is raining for 10.6 days, with typically 70mm (2.76") of accumulated precipitation. In Beisso, during the entire year, the rain falls for 114.3 days and collects up to 728mm (28.66") of precipitation.Daylight
With an average of 14h and 12min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 05:33 and sunset at 19:41. On the last day of the month, sunrise is at 05:44 and sunset at 19:58 -03.
Sunshine
With an average of 10.8h of sunshine, December has the most sunshine of the year.UV index
In Beisso, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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?
When is the sunrise / sunset in December?
What month has the most sunshine?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Beisso, Uruguay
- Average high temperature in December: 30°C
The warmest month (with the highest average high temperature) is January (32.3°C).
The month with the lowest average high temperature is July (15.4°C).
- Average low temperature in December: 16.7°C
The month with the highest average low temperature is January (19°C).
The coldest month (with the lowest average low temperature) is July (7.3°C).
Average pressure in December
Beisso, Uruguay
- Average pressure in December: 1010.6mbar
The month with the highest atmospheric pressure is July (1019.3mbar).
The month with the lowest atmospheric pressure is December (1010.6mbar).
Average wind speed in December
Beisso, Uruguay
- Average wind speed in December: 10.9km/h
The windiest month (with the highest average wind speed) is August (13.1km/h).
The calmest months (with the lowest average wind speed) are March and April (10.5km/h).
Average humidity in December
Beisso, Uruguay
- Average humidity in December: 64%
The months with the highest relative humidity are May and June (83%).
The month with the lowest relative humidity is January (59%).
Average rainfall in December
Beisso, Uruguay
- Average rainfall in December: 70mm
The wettest month (with the highest rainfall) is January (77mm).
The driest month (with the least rainfall) is July (44mm).
Average rainfall days in December
Beisso, Uruguay
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is October (11.7 days).
The months with the least rainy days are April and June (8 days).
Average daylight in December /
Average sunshine in December
Beisso, 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 48min).
The month with the least sunshine is June (Average sunshine: 5h and 36min).
Average sunshine days in December
Beisso, Uruguay
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is April (21 days).
The month with the least sunshine days is October (17 days).
Average UV index in December
Beisso, Uruguay
- Average UV index in December: 6
The month with the highest UV index is January (UV index 7).
The month with the lowest UV index is July (UV index 3).
Average cloud cover in December
Beisso, Uruguay
- Average cloud cover in December: 21
The month with the most cloud cover is May (Cloud cover 41).
The months with the least cloud cover are January and December (Cloud cover 21).
Average visibility in December
Beisso, Uruguay
- Average visibility in December: 9km
The month with the highest visibility is January (10km).
The month with the lowest visibility is May (8km).
