Best year time to visit Rosario

General weather information about Rosario

Average annual temperature is 10.7 °C

Absolute maximum temperature: 26.5 °C

Absolute minimum temperature: -5.9 °C

Number of sunny days: 178 days

Number of rainy days: 185 days

Number of snow days: 2 days

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* Weather data for Rosario United States is based on climate observations for 2026 year

Rosario air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.310.014.418.625.124.926.426.522.620.015.212.6
Average daytime temperature (°C)7.66.59.010.817.519.523.022.718.614.09.49.0
Average temperature (°C)5.94.55.97.813.514.817.618.114.711.07.37.2
Average night temperature (°C)4.32.93.75.610.111.413.014.411.88.85.45.6
Absolute minimum temperature (°C)-2.1-5.90.21.56.59.111.211.98.00.90.40.9

Rosario monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.810.211.913.715.316.115.714.312.610.89.28.4
Daylight minimum duration (h)8.09.011.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)3.44.27.77.212.212.513.711.99.26.04.82.6
Precipitation (mm)797260922320131947114122166
Sunny days84137242226241617134
Rainy days22231823785714141727
Snow days110000000000

Rosario - weather forecast by months

Rosario weather in januaryRosario weather in februaryRosario weather in marchRosario weather in aprilRosario weather in mayRosario weather in juneRosario weather in julyRosario weather in augustRosario weather in septemberRosario weather in octoberRosario weather in novemberRosario weather in december

Best time to visit Rosario:

The best time to visit Rosario during the most sunny months:

  • May — 12.2(h)
  • June — 12.5(h)
  • July — 13.7(h)
  • August — 11.9(h)

Months with the longest average daylight duration in Rosario:

  • June — 16.1(h)
  • July — 15.7(h)

The largest precipitation sum in Rosario is at

  • April — 92(mm)
  • October — 114(mm)
  • November — 122(mm)
  • December — 166(mm)

    • Weather forecast in the closest to Rosario admin centers

    Weather forecast in the closest towns to Rosario

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    Frequently asked questions

    When is the best time to visit Rosario?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Rosario.
    What is the weather like in Rosario?
    See average temperature, rainfall and daylight hours for Rosario by month in the table above.
    How many sunny days does Rosario have?
    The monthly weather statistics above show sunshine and rainfall patterns for Rosario throughout the year.