Mar del Plata
Argentina
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Mar del Plata, Argentina

January, like December, in Mar del Plata, Argentina, is a moderately hot summer month, with temperature in the range of an average high of 26.3°C (79.3°F) and an average low of 14.3°C (57.7°F).

Temperature

The warmest month is January, with an average high-temperature of 26.3°C (79.3°F) and an average low-temperature of 14.3°C (57.7°F).

Humidity

Months with the lowest humidity are January and December, with an average relative humidity of 76%.

Rainfall

In January, in Mar del Plata, the rain falls for 9 days. Throughout January, 100.1mm (3.9") of precipitation is accumulated. In Mar del Plata, during the entire year, the rain falls for 107 days and collects up to 923.6mm (36.4") of precipitation.

Sea temperature

With an average sea temperature of 20.7°C (69.3°F), January is the month with the warmest seawater in Mar del Plata.
Note: Swimming in 20.7°C (69.3°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

In Mar del Plata, the average length of the day in January is 14.4h.

Sunshine

The month with the most sunshine in Mar del Plata is January, with an average of 9.3h of sunshine.

UV index

Months with the highest UV index in Mar del Plata are January and December, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 12 interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the warmest month in Mar del Plata?

January is the warmest month in Mar del Plata, Argentina, with an average high-temperature of 26.3°C (79.3°F) and an average low-temperature of 14.3°C (57.7°F).

What is the temperature in January in Mar del Plata?

In January, the average high-temperature is 26.3°C (79.3°F), and the average low-temperature is 14.3°C (57.7°F).

What are the least humid months in Mar del Plata?

January and December, with an average relative humidity of 76%, are the least humid months in Mar del Plata.

What is the average humidity in January in Mar del Plata?

In Mar del Plata, the average relative humidity in January is 76%.

How much does it rain in Mar del Plata in January?

In Mar del Plata, in January, it is raining for 9 days, with typically 100.1mm (3.9") of accumulated precipitation.

What month is the sea warmest in Mar del Plata?

January is the month with the warmest seawater in Mar del Plata, with an average sea temperature of 20.7°C (69.3°F).

What is the sea water temperature in January in Mar del Plata?

In Mar del Plata, the average seawater temperature in January is 20.7°C (69.3°F). For most, swimming in 20.7°C (69.3°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Mar del Plata have in January?

In Mar del Plata, the average length of the day in January is 14.4h.

What month has the most sunshine in Mar del Plata?

The month with the most sunshine in Mar del Plata, Argentina, is January, with an average of 9.3h of sunshine.

How long on average sun shines in January in Mar del Plata?

The average sunshine in January in Mar del Plata is 9.3h.

When is the highest UV index in Mar del Plata?

Months with the highest UV index are January and December, with an average maximum UV index of 12.

What is the UV index reading in January in Mar del Plata?

In Mar del Plata, the average daily maximum UV index in January is 12. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV radiation.
Average temperature in January - Mar del Plata, Argentina
  • Average high temperature in January: 26.3°C

The warmest month (with the highest average high temperature) is January (26.3°C).
The month with the lowest average high temperature is July (13.1°C).

  • Average low temperature in January: 14.3°C

The month with the highest average low temperature is January (14.3°C).
The coldest month (with the lowest average low temperature) is July (3.8°C).

Average humidity in January - Mar del Plata, Argentina
  • Average humidity in January: 76%

The month with the highest relative humidity is June (84%).
Months with the lowest relative humidity are January and December (76%).

Average rainfall in January - Mar del Plata, Argentina
  • Average rainfall in January: 100.1mm

The wettest month (with the highest rainfall) is March (107mm).
The driest month (with the lowest rainfall) is June (54.9mm).

Average rainfall days in January - Mar del Plata, Argentina
  • Average rainfall days in January: 9 days

Months with the highest number of rainy days are October, November and December (10 days).
The month with the lowest number of rainy days is September (7 days).

Average sea temperature in January - Mar del Plata, Argentina
  • Average sea temperature in January: 20.7°C

The best month for swimming (with the highest average sea temperature) is January (20.7°C).
The coldest month (with the lowest average sea temperature) is September (10.4°C).

Average daylight in January / Average sunshine in January - Mar del Plata, Argentina
  • Average daylight in January: 14.4h

The month with the longest days is December (Average daylight: 14.8h).
The month with shortest days is June (Average daylight: 9.6h).

  • Average sunshine in January: 9.3h

The month with most sunshine is January (Average sunshine: 9.3h).
The month with least sunshine is June (Average sunshine: 4h).

Average UV index in January - Mar del Plata, Argentina
  • Average UV index in January: 12

Months with the highest UV index are January and December (UV index 12).
Months with the lowest UV index are June and July (UV index 2).