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 snowfall days in December
- Average sea temperature 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
Weather in December
Temperature
A subtle rise in the average high-temperature is observed in Bahía Blanca during December, adjusting from a warm 23.8°C (74.8°F) in November to a still moderately hot 28.5°C (83.3°F). During December nights, Bahía Blanca witnesses a consistent average temperature of 17.1°C (62.8°F).Heat index
Throughout December, the heat index is estimated at 28°C (82.4°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Realize that the values for the heat index are set for shaded places and light winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant 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 months with the lowest humidity are January and December, with an average relative humidity of 44%.Rainfall
In Bahía Blanca, during December, the rain falls for 5.6 days and regularly aggregates up to 21mm (0.83") of precipitation. In Bahía Blanca, Argentina, during the entire year, the rain falls for 73.5 days and collects up to 280mm (11.02") of precipitation.Snowfall
January through June, August through December are months without snowfall.Sea temperature
In Bahía Blanca, Argentina, the average seawater temperature in December is 18°C (64.4°F).Note: Most people do not take pleasure in swimming in water at 18°C (64.4°F). The difficulty of managing breathing increases as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the longest days of the year in Bahía Blanca, with an average of 14h and 48min of daylight.On the first day of December, sunrise is at 05:37 and sunset at 20:18. On the last day of the month, sunrise is at 05:47 and sunset at 20:37 -03.
Sunshine
The month with the most sunshine in Bahía Blanca is December, with an average of 11.7h 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 reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 6 suggests this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
Is it hot in Bahía Blanca during December?
What are the least humid months in Bahía Blanca?
What is the average humidity in December in Bahía Blanca?
How much does it rain in Bahía Blanca in December?
When it does not snow in Bahía Blanca?
How cold is the water in December in Bahía Blanca?
When are the longest days in Bahía Blanca?
How many hours of daylight does Bahía Blanca have in December?
When is the sunrise / sunset in December in Bahía Blanca?
What month has the most sunshine in Bahía Blanca?
How many hours of sunshine does Bahía Blanca have in December?
What are the months with the highest UV index in Bahía Blanca?
What is the UV index reading in December in Bahía Blanca?
Average temperature in December
Bahía Blanca, Argentina
- Average high temperature in December: 28.5°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 (12.6°C).
- Average low temperature in December: 17.1°C
The month with the highest average low temperature is January (18.9°C).
The coldest month (with the lowest average low temperature) is July (6.2°C).
Average pressure in December
Bahía Blanca, Argentina
- Average pressure in December: 1009.7mbar
The month with the highest atmospheric pressure is July (1017.9mbar).
The month with the lowest atmospheric pressure is December (1009.7mbar).
Average wind speed in December
Bahía Blanca, Argentina
- Average wind speed in December: 18.2km/h
The windiest month (with the highest average wind speed) is June (19.4km/h).
The calmest months (with the lowest average wind speed) are April and May (16.7km/h).
Average humidity in December
Bahía Blanca, Argentina
- Average humidity in December: 44%
The months with the highest relative humidity are May and July (65%).
The months with the lowest relative humidity are January and December (44%).
Average rainfall in December
Bahía Blanca, Argentina
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is June (12mm).
Average rainfall days in December
Bahía Blanca, Argentina
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is November (7.9 days).
The month with the least rainy days is June (3.9 days).
Average snowfall days in December
Bahía Blanca, Argentina
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average sea temperature in December
Bahía Blanca, Argentina
- Average sea temperature in December: 18°C
The best months for swimming (with the highest average sea temperature) are February and March (21°C).
The coldest months (with the lowest average sea temperature) are August and September (12°C).
Average daylight in December /
Average sunshine in December
Bahía Blanca, Argentina
- Average daylight in December: 14h and 5min
The month with the longest days is December (Average daylight: 14h and 48min).
The month with the shortest days is June (Average daylight: 9h and 30min).
- Average sunshine in December: 11h and 4min
The month with the most sunshine is December (Average sunshine: 11h and 42min).
The month with the least sunshine is June (Average sunshine: 6h and 18min).
Average sunshine days in December
Bahía Blanca, Argentina
- Average sunshine days in December: 24.2 days
The month with the most sunshine days is August (26.1 days).
The month with the least sunshine days is February (20.5 days).
Average UV index in December
Bahía Blanca, Argentina
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are June, July and September (UV index 3).
Average cloud cover in December
Bahía Blanca, Argentina
- Average cloud cover in December: 14
The months with the most cloud cover are May and July (Cloud cover 30).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in December
Bahía Blanca, Argentina
- 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).
Bahía Blanca, Argentina
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