January weather forecast
Mendoza, Argentina

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Weather in January

Mendoza, Argentina, kicks off the year with warm summer conditions in January. The city experiences its highest temperatures, with average highs soaring up to 28.3°C (82.9°F) and lows settling to around 18.5°C (65.3°F). The balmy climate is coupled with low humid conditions, making the city a great destination for those seeking to escape the winter chill. January is one of the sunniest and driest months of the year, with the city receiving just 69mm (2.72") of rainfall across nearly two weeks. The long days, abundant sunshine, and comfortable temperature make January the perfect time for outdoor activities and sightseeing.

Temperature

In Mendoza, January is the month with the highest recorded average temperatures, measuring a high of 28.3°C (82.9°F) and a low of 18.5°C (65.3°F).

Heat index

The heat index value for January is calculated to be 28°C (82.4°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In January, the average relative humidity is 42%.

Rainfall

January is the month with the most rainfall. Rain falls for 13.8 days and accumulates 69mm (2.72") of precipitation.

Snowfall

In Mendoza, snow does not fall in January through May, October through December.

Daylight

In January, the average length of the day is 14h and 2min.
On the first day of January in Mendoza, Argentina, sunrise is at 06:30 and sunset at 20:47. On the last day of the month, sunrise is at 06:57 and sunset at 20:39 -03.

Sunshine

January, September and December, with an average of 9.7h of sunshine, are months with the most sunshine.

UV index

January, February and December, with an average maximum UV index of 6, are months with the highest UV index in Mendoza. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 6 in January transforms into the following instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. 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. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Jan 25, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the hottest time of year in Mendoza?

The average temperatures in Mendoza reach their apex in January, averaging 28.3°C (82.9°F) at the high end and 18.5°C (65.3°F) at the low end.

How hot is January in Mendoza?

In January, in Mendoza, the average high-temperature is 28.3°C (82.9°F), and the average low-temperature is 18.5°C (65.3°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in January is calculated to be 28°C (82.4°F).

What is the average humidity in January in Mendoza?

In January, the average relative humidity in Mendoza, Argentina, is 42%.

What is the wettest month in Mendoza?

January is the month with the most rainfall in Mendoza, Argentina. Rain falls for 13.8 days and accumulates 69mm (2.72") of precipitation.

How much does it rain in Mendoza in January?

In January, in Mendoza, Argentina, the rain falls for 13.8 days. Throughout January, 69mm (2.72") of precipitation is accumulated.

When it does not snow in Mendoza?

January through May, October through December are months without snowfall.

What is the average length of the day in January in Mendoza?

In Mendoza, the average day length in January is 14h and 2min.

What time are sunrise and sunset in January in Mendoza?

In January, on the first day of the month, sunrise is at 06:30 and sunset at 20:47. On the last day of the month, in Mendoza, sunrise is at 06:57 and sunset at 20:39 -03.

What is the month with the most sunshine in Mendoza?

January, September and December, with an average of 9.7h of sunshine, are months with the most sunshine.

How many hours of sunshine does Mendoza have in January?

The average sunshine duration in January is 9.7h.

When is the highest UV index in Mendoza?

The months with the highest UV index are January, February and December, with an average maximum UV index of 6.

How high is the UV index in January in Mendoza?

In January, the average daily maximum UV index in Mendoza is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in January
Mendoza, Argentina

Average temperature in January - Mendoza, Argentina
  • Average high temperature in January: 28.3°C

The warmest month (with the highest average high temperature) is January (28.3°C).
The month with the lowest average high temperature is July (11.2°C).

  • Average low temperature in January: 18.5°C

The month with the highest average low temperature is January (18.5°C).
The coldest month (with the lowest average low temperature) is July (3.2°C).

Average pressure in January
Mendoza, Argentina

Average pressure in January - Mendoza, Argentina
  • Average pressure in January: 1011.8mbar

The month with the highest atmospheric pressure is July (1018.6mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).

Average wind speed in January
Mendoza, Argentina

Average wind speed in January - Mendoza, Argentina
  • Average wind speed in January: 11.7km/h

The windiest month (with the highest average wind speed) is November (12.8km/h).
The calmest month (with the lowest average wind speed) is June (7.7km/h).

Average humidity in January
Mendoza, Argentina

Average humidity in January - Mendoza, Argentina
  • Average humidity in January: 42%

The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is December (39%).

Average rainfall in January
Mendoza, Argentina

Average rainfall in January - Mendoza, Argentina
  • Average rainfall in January: 69mm

The wettest month (with the highest rainfall) is January (69mm).
The driest months (with the least rainfall) are May and July (5mm).

Average rainfall days in January
Mendoza, Argentina

Average rainfall days in January - Mendoza, Argentina
  • Average rainfall days in January: 13.8 days

The month with the highest number of rainy days is January (13.8 days).
The month with the least rainy days is July (2.5 days).

Average snowfall in January
Mendoza, Argentina

Average snowfall in January - Mendoza, Argentina
  • Average snowfall in January: 0mm

The month with the highest snowfall is July (17mm).
The months with the least snowfall are January, February, March, April, May, October, November and December (0mm).

Average snowfall days in January
Mendoza, Argentina

Average snowfall days in January - Mendoza, Argentina
  • Average snowfall days in January: 0 days

The month with the highest number of snowfall days is July (0.8 days).
The months with the least snowfall days are January, February, March, April, May, October, November and December (0 days).

Average daylight in January /
Average sunshine in January
Mendoza, Argentina

Average daylight in January / Average sunshine in January - Mendoza, Argentina
  • Average daylight in January: 14h and 0min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in January: 9h and 4min

The months with the most sunshine are January, September and December (Average sunshine: 9h and 42min).
The months with the least sunshine are April and May (Average sunshine: 9h and 24min).

Average sunshine days in January
Mendoza, Argentina

Average sunshine days in January - Mendoza, Argentina
  • Average sunshine days in January: 14.4 days

The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (12.6 days).

Average UV index in January
Mendoza, Argentina

Average UV index in January - Mendoza, Argentina
  • Average UV index in January: 6

The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 3).

Average cloud cover in January
Mendoza, Argentina

Average cloud cover in January - Mendoza, Argentina
  • Average cloud cover in January: 14

The months with the most cloud cover are April, May and October (Cloud cover 16).
The month with the least cloud cover is June (Cloud cover 11).

Average visibility in January
Mendoza, Argentina

Average visibility in January - Mendoza, Argentina
  • Average visibility in January: 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).

Mendoza, Argentina

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