Rosario
Argentina
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Rosario, Argentina

January in Rosario, Argentina, is a hot summer month, with temperature in the range of an average high of 30.8°C (87.4°F) and an average low of 17.7°C (63.9°F).

Temperature

With an average high-temperature of 30.8°C (87.4°F) and an average low-temperature of 17.7°C (63.9°F), January is the warmest month.

Humidity

The average relative humidity in January is 69%.

Rainfall

In January, the rain falls for 9 days. Throughout January, 104.5mm (4.1") of precipitation is accumulated. In Rosario, during the entire year, the rain falls for 87 days and collects up to 993.7mm (39.1") of precipitation.

Daylight

In January, the average length of the day is 14h.

Sunshine

January has the most sunshine of the year in Rosario, with an average of 10.1h of sunshine.

UV index

Months with the highest UV index are January, February and December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
The daily maximum UV index of 12 in January 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.

What is the warmest month in Rosario?

The warmest month is January, with an average high-temperature of 30.8°C (87.4°F) and an average low-temperature of 17.7°C (63.9°F).

What is the temperature in January in Rosario?

In January, in Rosario, Argentina, the average high-temperature is 30.8°C (87.4°F), and the average low-temperature is 17.7°C (63.9°F).

What is the average humidity in January in Rosario?

In January, the average relative humidity is 69%.

How much does it rain in Rosario in January?

In Rosario, Argentina, during January, the rain falls for 9 days and regularly aggregates up to 104.5mm (4.1") of precipitation.

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

In January, the average length of the day in Rosario is 14h.

What month has the most sunshine in Rosario?

January has the most sunshine of the year in Rosario, Argentina, with an average of 10.1h of sunshine.

How long on average sun shines in January in Rosario?

In Rosario, the average sunshine in January is 10.1h.

What are the months with the highest UV index in Rosario?

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

What is the UV index intensity in January in Rosario?

In January, the average daily maximum UV index in Rosario is 12. A UV Index value of 11, and more, symbolizes an excessive health risk from unprotected exposure to the UV radiation.
Average temperature in January - Rosario, Argentina
  • Average high temperature in January: 30.8°C

The warmest month (with the highest average high temperature) is January (30.8°C).
The month with the lowest average high temperature is July (16.4°C).

  • Average low temperature in January: 17.7°C

The month with the highest average low temperature is January (17.7°C).
Coldest months (with the lowest average low temperature) are June and July (5.3°C).

Average humidity in January - Rosario, Argentina
  • Average humidity in January: 69%

Months with the highest relative humidity are May, June and July (82%).
The month with the lowest relative humidity is December (68%).

Average rainfall in January - Rosario, Argentina
  • Average rainfall in January: 104.5mm

The wettest month (with the highest rainfall) is March (164.6mm).
The driest month (with the lowest rainfall) is June (36.6mm).

Average rainfall days in January - Rosario, Argentina
  • Average rainfall days in January: 9 days

Months with the highest number of rainy days are January, March, October, November and December (9 days).
Months with the lowest number of rainy days are June, July and August (5 days).

Average daylight in January / Average sunshine in January - Rosario, Argentina
  • Average daylight in January: 14h

The month with the longest days is December (Average daylight: 14.3h).
The month with shortest days is June (Average daylight: 10h).

  • Average sunshine in January: 10.1h

The month with most sunshine is January (Average sunshine: 10.1h).
The month with least sunshine is June (Average sunshine: 5h).

Average UV index in January - Rosario, Argentina
  • Average UV index in January: 12

Months with the highest UV index are January, February and December (UV index 12).
Months with the lowest UV index are June and July (UV index 3).