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Rosario weather in August

Weather in Rosario: August

Average day temperature: 63.8°F
Average night temperature: 50.0°F
Number of sunny days: 19 days
Day length: 10.5 - 11.4 hours
Number of rainy days: 1 day
Precipitation totals: 0.8 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 76°F. At the same time the lowest night temperature was 40°F. Daily and nightly averages during August were 63.6°F and 49.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Rosario in August is 0.8 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 6.5 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.9.

Best time for vacation in Rosario

Sunniest months:
January 22 days
December 22 days
October 20 days
Warmest months:
January 90.6 °F
December 87.6 °F
February 87.5 °F
Coldest months:
July 59.6 °F
June 59.9 °F
August 63.8 °F
Rainiest months:
March 5 days
January 3 days
October 3 days
Windiest months:
October 7.2 mph
November 7.1 mph
September 6.9 mph

Rosario on a weather map

Rosario
+75°F
NW 5 mph
Feels like: +77°F
Precip.: 0%
Places in Argentina:
Name
°F
24 Hours Forecast
Rosario
Local time: 06:48
January 01, thursday
0900
84°F
NW
6 mph
1200
99°F
NW
6 mph
1500
106°F
N
7 mph
1800
84°F
S
10 mph
2100
79°F
S
4 mph
January 02, friday
0000
75°F
SW
5 mph
0300
73°F
SW
2 mph
0600
72°F
N
3 mph
Units of measurement: °C / °F