December weather forecastMendoza, Uruguay
December
Weather in December
December, the first month of the summer in Mendoza, is a warm month, with an average temperature ranging between min 17.8°C (64°F) and max 25.6°C (78.1°F).Temperature
Mendoza's transition into December sees a mild rise in the average high-temperature, edging from an agreeable 22.3°C (72.1°F) in November to a moderately hot 25.6°C (78.1°F). Mendoza experiences an average temperature drop to an enjoyable 17.8°C (64°F) during December nights.Humidity
The average relative humidity in December is 67%.Rainfall
In Mendoza, in December, during 11.4 rainfall days, 60mm (2.36") of precipitation is typically accumulated. In Mendoza, during the entire year, the rain falls for 131.6 days and collects up to 707mm (27.83") of precipitation.Daylight
December has the longest days of the year in Mendoza, with an average of 14h and 24min of daylight.On the first day of the month, sunrise is at 05:25 and sunset at 19:42. On the last day of December, in Mendoza, sunrise is at 05:36 and sunset at 20:00 -03.
Sunshine
The months with the most sunshine are January and December, with an average of 10.9h 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 of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 6 in December suggests the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mendoza, Uruguay
- Average high temperature in December: 25.6°C
The warmest month (with the highest average high temperature) is January (27.8°C).
The month with the lowest average high temperature is July (13.3°C).
- Average low temperature in December: 17.8°C
The month with the highest average low temperature is February (19.9°C).
The coldest month (with the lowest average low temperature) is July (8.7°C).
Average pressure in December
Mendoza, Uruguay
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in December
Mendoza, Uruguay
- Average wind speed in December: 16.8km/h
The windiest month (with the highest average wind speed) is September (19.2km/h).
The calmest month (with the lowest average wind speed) is May (16.7km/h).
Average humidity in December
Mendoza, Uruguay
- Average humidity in December: 67%
The months with the highest relative humidity are July, August and September (79%).
The month with the lowest relative humidity is January (64%).
Average rainfall in December
Mendoza, Uruguay
- Average rainfall in December: 60mm
The wettest months (with the highest rainfall) are July and November (68mm).
The driest month (with the least rainfall) is January (46mm).
Average rainfall days in December
Mendoza, Uruguay
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is March (12.2 days).
The month with the least rainy days is January (9.4 days).
Average daylight in December /
Average sunshine in December
Mendoza, Uruguay
- 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: 10h and 54min
The months with the most sunshine are January and December (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 42min).
Average sunshine days in December
Mendoza, Uruguay
- Average sunshine days in December: 18 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is October (15.2 days).
Average UV index in December
Mendoza, Uruguay
- 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 May, July and August (UV index 3).
Average cloud cover in December
Mendoza, Uruguay
- Average cloud cover in December: 21
The month with the most cloud cover is July (Cloud cover 40).
The month with the least cloud cover is January (Cloud cover 19).
Average visibility in December
Mendoza, Uruguay
- 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).
