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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
February 87.5 °F
December 86.9 °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
December 7.0 mph

Rosario on a weather map

Rosario
+68°F
S 5 mph
Feels like: +68°F
Precip.: 0%
Places in Argentina:
Name
°F
+66°F
+73°F
+72°F
+66°F
+61°F
+73°F
+59°F
+59°F
+41°F
+61°F
+79°F
+32°F
+39°F
24 Hours Forecast
Rosario
Local time: 05:56
December 05, friday
0600
68°F
S
5 mph
0900
82°F
S
8 mph
1200
93°F
S
9 mph
1500
99°F
S
7 mph
1800
97°F
S
7 mph
2100
81°F
S
6 mph
December 06, saturday
0000
77°F
SE
3 mph
0300
75°F
SE
4 mph
Units of measurement: °C / °F