August weather forecast
Rosario, Argentina

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Weather in August

August presents a slightly warmer Rosario as the city slowly shakes off the winter chill. The temperatures begin to rise and the length of the day starts to increase as well. The month overall remains dry, with only a moderate amount of rainfall. The city continues to receive plenty of sunlight, enough to clock 8.2 sunshine hours. With the arrival of September, the city gets ready to welcome the spring season.

Temperature

As Rosario transitions into August, a marginal rise in the average high-temperature is observed, moving from 15.7°C (60.3°F) in July to a still refreshing 18.8°C (65.8°F). During August in Rosario, the average low-temperature is recorded at a frosty 8.7°C (47.7°F).

Humidity

In August, the average relative humidity in Rosario, Argentina, is 70%.

Rainfall

In August, in Rosario, the rain falls for 5.1 days. Throughout August, 28mm (1.1") of precipitation is accumulated. In Rosario, Argentina, during the entire year, the rain falls for 89.9 days and collects up to 475mm (18.7") of precipitation.

Daylight

In August, the average length of the day is 10h and 57min.
On the first day of the month, sunrise is at 07:52 and sunset at 18:25. On the last day of August, in Rosario, sunrise is at 07:20 and sunset at 18:45 -03.

Sunshine

In Rosario, the average sunshine in August is 8.2h.

UV index

April through September, with an average maximum UV index of 4, are months with the lowest UV index in Rosario. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 4 during August leads to these instructions:
Take necessary precautions - Defending against sun damage is advocated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the average August temperature in Rosario?

The high-temperature, in August, in Rosario, is 18.8°C (65.8°F), while the low-temperature averages to 8.7°C (47.7°F). In March, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 30°C (86°F).

What is the average humidity in August in Rosario?

The average relative humidity in August is 70%.

How many days does it rain in August in Rosario?

In Rosario, in August, it is raining for 5.1 days, with typically 28mm (1.1") of accumulated precipitation.

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

The average day length in August in Rosario, Argentina, is 10h and 57min.

When are sunrise and sunset in August in Rosario?

In August, on the first day of the month, sunrise is at 07:52 and sunset at 18:25. On the last day of the month, in Rosario, Argentina, sunrise is at 07:20 and sunset at 18:45 -03.

How long on average sun shines in August in Rosario?

In Rosario, Argentina, the average sunshine duration in August is 8.2h.

What is the month with the lowest UV index in Rosario?

April through September, with an average maximum UV index of 4, are months with the lowest UV index in Rosario, Argentina.

What is the UV index intensity in August in Rosario?

The average daily maximum UV index in August in Rosario is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Rosario, Argentina

Average temperature in August - Rosario, Argentina
  • Average high temperature in August: 18.8°C

The warmest month (with the highest average high temperature) is January (33.4°C).
The month with the lowest average high temperature is July (15.7°C).

  • Average low temperature in August: 8.7°C

The month with the highest average low temperature is January (18.8°C).
The coldest month (with the lowest average low temperature) is July (7.5°C).

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Average pressure in August
Rosario, Argentina

Average pressure in August - Rosario, Argentina
  • Average pressure in August: 1018mbar

The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is December (1009.6mbar).

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Average wind speed in August
Rosario, Argentina

Average wind speed in August - Rosario, Argentina
  • Average wind speed in August: 13km/h

The windiest months (with the highest average wind speed) are August and September (13km/h).
The calmest month (with the lowest average wind speed) is March (10.2km/h).

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Average humidity in August
Rosario, Argentina

Average humidity in August - Rosario, Argentina
  • Average humidity in August: 70%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is January (52%).

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Average rainfall in August
Rosario, Argentina

Average rainfall in August - Rosario, Argentina
  • Average rainfall in August: 28mm

The wettest month (with the highest rainfall) is December (72mm).
The driest month (with the least rainfall) is June (16mm).

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Average rainfall days in August
Rosario, Argentina

Average rainfall days in August - Rosario, Argentina
  • Average rainfall days in August: 5.1 days

The month with the highest number of rainy days is October (10 days).
The month with the least rainy days is June (4.8 days).

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Average daylight in August /
Average sunshine in August
Rosario, Argentina

Average daylight in August / Average sunshine in August - Rosario, Argentina
  • Average daylight in August: 10h and 5min

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 August: 8h and 1min

The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is May (Average sunshine: 7h and 24min).

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Average sunshine days in August
Rosario, Argentina

Average sunshine days in August - Rosario, Argentina
  • Average sunshine days in August: 24.3 days

The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is October (19.7 days).

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Average UV index in August
Rosario, Argentina

Average UV index in August - Rosario, Argentina
  • Average UV index in August: 4

The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).

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Average cloud cover in August
Rosario, Argentina

Average cloud cover in August - Rosario, Argentina
  • Average cloud cover in August: 28

The month with the most cloud cover is May (Cloud cover 37).
The month with the least cloud cover is January (Cloud cover 17).

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Average visibility in August
Rosario, Argentina

Average visibility in August - Rosario, Argentina
  • Average visibility in August: 9km

The months with the highest visibility are January, February, March, June and December (10km).
The months with the lowest visibility are April, May, July, August, September, October and November (9km).

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Rosario, Argentina

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