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 average high-temperature is a hot 31.5°C (88.7°F) in December, hardly different from the 28.8°C (83.8°F) recorded in November. Río Primero's average low-temperature for the month of December denotes a significant decline from the daily high, recording at an enjoyable 18.7°C (65.7°F).Heat index
The average heat index in December is evaluated at a hot 33°C (91.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular significance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
The least humid month is December, with an average relative humidity of 48%.Rainfall
In Río Primero, during December, the rain falls for 11.7 days and regularly aggregates up to 57mm (2.24") of precipitation. Throughout the year, there are 103.7 rainfall days, and 427mm (16.81") of precipitation is accumulated.Daylight
With an average of 14h and 6min of daylight, December has the longest days of the year.On the first day of December in Río Primero, sunrise is at 06:02 and sunset at 20:05. On the last day of the month, sunrise is at 06:13 and sunset at 20:22 -03.
Sunshine
The average sunshine in December is 9.3h.UV index
The month with the highest UV index is December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 7 during December translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Río Primero during December?
What is the least humid month in Río Primero?
What is the average humidity in December in Río Primero?
How much does it rain in Río Primero in December?
When are the longest days in Río Primero?
How many hours of daylight does Río Primero have in December?
When are sunrise and sunset in December in Río Primero?
How many hours of sunshine does Río Primero have in December?
What is the month with the highest UV index in Río Primero?
How high is the UV index in December in Río Primero?
Average temperature in December
Río Primero, Argentina
- Average high temperature in December: 31.5°C
The warmest month (with the highest average high temperature) is January (32.8°C).
The month with the lowest average high temperature is July (16.3°C).
- Average low temperature in December: 18.7°C
The month with the highest average low temperature is January (19.3°C).
The coldest month (with the lowest average low temperature) is July (6.9°C).
Average pressure in December
Río Primero, Argentina
- Average pressure in December: 1010.3mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1010.3mbar).
Average wind speed in December
Río Primero, Argentina
- Average wind speed in December: 13.9km/h
The windiest month (with the highest average wind speed) is September (16km/h).
The calmest month (with the lowest average wind speed) is February (12.2km/h).
Average humidity in December
Río Primero, Argentina
- Average humidity in December: 48%
The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is December (48%).
Average rainfall in December
Río Primero, Argentina
- Average rainfall in December: 57mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in December
Río Primero, Argentina
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is November (12.9 days).
The month with the least rainy days is August (2.6 days).
Average daylight in December /
Average sunshine in December
Río Primero, Argentina
- Average daylight in December: 14h and 1min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in December: 9h and 2min
The month with the most sunshine is January (Average sunshine: 9h and 24min).
The month with the least sunshine is May (Average sunshine: 8h and 0min).
Average sunshine days in December
Río Primero, Argentina
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is November (15 days).
Average UV index in December
Río Primero, Argentina
- Average UV index in December: 7
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in December
Río Primero, Argentina
- Average cloud cover in December: 20
The month with the most cloud cover is May (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Río Primero, Argentina
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
