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Rosario Monthly Climate Averages
Rosario is situated in humid subtropical zone which is known for warm weather during summer time with high humidity and soft and cool winter with short rainfalls.
To help you choose the best time to travel, you can find climate data below on the weather in Rosario .
Month | t°C day |
t°C night |
mm rain |
daylight |
January | +30.8 | +17.7 | 105 | 14.5h |
February | +29.5 | +17 | 116 | 13.7h |
March | +27 | +15.2 | 165 | 12.7h |
April | +23.4 | +11.7 | 80 | 11.7h |
May | +20.2 | +8.3 | 47 | 10.9h |
June | +16.5 | +5.3 | 37 | 10.5h |
July | +16.4 | +5.3 | 37 | 10.7h |
August | +18.3 | +5.7 | 37 | 11.4h |
September | +20.7 | +7.6 | 62 | 12.3h |
October | +23.6 | +10.9 | 92 | 13.4h |
November | +26.6 | +13.8 | 98 | 14.3h |
December | +29.5 | +16.4 | 120 | 14.8h |
Best time with the soft weather for the sightseeing and long walks in Rosario are April, May, August, September, October, November.
Temperature in Rosario
The table shows that the hottest months in Rosario are January and February, during which the average daytime temperature reaches +30.8°C and the nighttime temperature falls to +17.7°C.
The coldest months are July and June, when the daily average temperature falls to +16.4°C, and drops to +5.3°C during the night.
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Precipitation
The largest amount of precipitation falls on average in March and December, up to 165mm, and the least in July and June — up to 37mm.