Best year time to visit Grottaferrata

General weather information about Grottaferrata

Average annual temperature is 15.7 °C

Absolute maximum temperature: 38.2 °C

Absolute minimum temperature: -1.0 °C

Number of sunny days: 168 days

Number of rainy days: 196 days

Number of snow days: 1 day

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

Grottaferrata air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.416.018.319.525.632.738.236.430.429.520.018.4
Average daytime temperature (°C)10.911.714.516.120.225.631.630.027.523.816.012.8
Average temperature (°C)7.77.210.611.616.221.126.124.221.919.312.59.6
Average night temperature (°C)4.93.67.17.412.816.921.219.517.615.89.36.5
Absolute minimum temperature (°C)0.1-1.02.91.39.814.217.715.312.513.62.11.5

Grottaferrata monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.510.611.913.314.515.214.913.812.511.19.99.2
Daylight minimum duration (h)9.010.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)6.58.29.110.49.212.913.512.310.78.86.76.4
Precipitation (mm)16572109105216116753187314848
Sunny days1019131041024211917615
Rainy days2181820272071011142416
Snow days010000000000

Grottaferrata - weather forecast by months

Grottaferrata weather in januaryGrottaferrata weather in februaryGrottaferrata weather in marchGrottaferrata weather in aprilGrottaferrata weather in mayGrottaferrata weather in juneGrottaferrata weather in julyGrottaferrata weather in augustGrottaferrata weather in septemberGrottaferrata weather in octoberGrottaferrata weather in novemberGrottaferrata weather in december

Best time to visit Grottaferrata:

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

  • June — 12.9(h)
  • July — 13.5(h)
  • August — 12.3(h)

The largest precipitation sum in Grottaferrata is at

  • January — 165(mm)
  • May — 216(mm)
  • November — 148(mm)

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    Frequently asked questions

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