December weather forecastRafael Castillo, Argentina
December
Weather in December
December, the first month of the summer in Rafael Castillo, is also a moderately hot month, with an average temperature ranging between min 18.5°C (65.3°F) and max 28.8°C (83.8°F).Temperature
December witnesses a minor rise in the average high-temperature, transitioning from 24.7°C (76.5°F) in November to a still warm 28.8°C (83.8°F). Rafael Castillo observes an average nighttime low-temperature of 18.5°C (65.3°F) during the month of December.Heat index
The average heat index in December is estimated at a hot 31°C (87.8°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. 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 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
The average relative humidity in December is 59%.Rainfall
In December, the rain falls for 8.6 days. Throughout December, 62mm (2.44") of precipitation is accumulated. In Rafael Castillo, during the entire year, the rain falls for 100.3 days and collects up to 586mm (23.07") of precipitation.Daylight
With an average of 14h and 24min of daylight, December has the longest days of the year in Rafael Castillo.On the first day of December in Rafael Castillo, sunrise is at 05:34 and sunset at 19:53. On the last day of the month, sunrise is at 05:44 and sunset at 20:10 -03.
Sunshine
With an average of 11.2h of sunshine, December has the most sunshine of the year in Rafael Castillo.UV index
January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index in Rafael Castillo. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily UV index of 6 turns into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rafael Castillo, Argentina
- Average high temperature in December: 28.8°C
The warmest month (with the highest average high temperature) is January (30.3°C).
The month with the lowest average high temperature is July (13.8°C).
- Average low temperature in December: 18.5°C
The month with the highest average low temperature is January (20.2°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).
Average pressure in December
Rafael Castillo, Argentina
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in December
Rafael Castillo, Argentina
- Average wind speed in December: 14km/h
The windiest month (with the highest average wind speed) is September (16.4km/h).
The calmest month (with the lowest average wind speed) is March (13.8km/h).
Average humidity in December
Rafael Castillo, Argentina
- Average humidity in December: 59%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is January (57%).
Average rainfall in December
Rafael Castillo, Argentina
- Average rainfall in December: 62mm
The wettest month (with the highest rainfall) is November (70mm).
The driest month (with the least rainfall) is September (36mm).
Average rainfall days in December
Rafael Castillo, Argentina
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is August (5.8 days).
Average daylight in December /
Average sunshine in December
Rafael Castillo, Argentina
- Average daylight in December: 14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 11h and 12min
The month with the most sunshine is December (Average sunshine: 11h and 12min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in December
Rafael Castillo, Argentina
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is February (18.3 days).
Average UV index in December
Rafael Castillo, Argentina
- Average UV index in December: 6
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 3).
Average cloud cover in December
Rafael Castillo, Argentina
- Average cloud cover in December: 18
The month with the most cloud cover is July (Cloud cover 36).
The month with the least cloud cover is January (Cloud cover 16).
Average visibility in December
Rafael Castillo, 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).





