Best year time to visit Grottarossa

General weather information about Grottarossa

Average annual temperature is 17.0 °C

Absolute maximum temperature: 40.2 °C

Absolute minimum temperature: -0.3 °C

Number of sunny days: 176 days

Number of rainy days: 189 days

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* Weather data for Grottarossa Italy is based on climate observations for 2026 year

Grottarossa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.618.420.822.428.035.340.238.532.931.621.820.1
Average daytime temperature (°C)12.614.016.618.422.628.233.932.229.525.717.714.3
Average temperature (°C)8.48.311.713.017.822.727.826.023.320.313.410.2
Average night temperature (°C)5.34.27.58.313.817.922.220.818.416.09.76.9
Absolute minimum temperature (°C)0.6-0.34.23.411.315.518.216.315.113.91.82.6

Grottarossa monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.013.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.510.611.913.414.615.214.913.812.511.19.89.2
Daylight minimum duration (h)9.010.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)6.27.98.810.49.412.813.512.210.68.77.06.4
Precipitation (mm)11350887013412817673711514236
Sunny days1621171041117212114519
Rainy days1571420271914109172512
Snow days000000000000

Grottarossa - weather forecast by months

Grottarossa weather in januaryGrottarossa weather in februaryGrottarossa weather in marchGrottarossa weather in aprilGrottarossa weather in mayGrottarossa weather in juneGrottarossa weather in julyGrottarossa weather in augustGrottarossa weather in septemberGrottarossa weather in octoberGrottarossa weather in novemberGrottarossa weather in december

Best time to visit Grottarossa:

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

  • June — 12.8(h)
  • July — 13.5(h)
  • August — 12.2(h)

The largest precipitation sum in Grottarossa is at

  • January — 113(mm)
  • May — 134(mm)
  • June — 128(mm)
  • October — 115(mm)
  • November — 142(mm)

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    Frequently asked questions

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