Best year time to visit Trelli

General weather information about Trelli

Average annual temperature is 10.1 °C

Absolute maximum temperature: 30.6 °C

Absolute minimum temperature: -15.3 °C

Number of sunny days: 121 days

Number of rainy days: 218 days

Number of snow days: 26 days

Look at detailed online map of Trelli

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

Trelli air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)10.616.415.317.223.027.428.030.626.424.913.415.0
Average daytime temperature (°C)4.47.29.611.617.522.223.923.522.117.19.07.3
Average temperature (°C)0.51.65.76.813.117.519.419.016.713.04.52.6
Average night temperature (°C)-3.2-3.21.71.78.812.414.614.212.09.20.5-0.7
Absolute minimum temperature (°C)-15.3-11.7-2.1-3.35.49.68.47.47.71.7-3.7-8.0

Trelli monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.110.311.913.615.015.815.414.112.610.99.48.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)4.07.97.18.58.812.012.210.410.26.76.34.7
Precipitation (mm)90149711921412415824364314173129
Sunny days122098455615111016
Rainy days9618222725262515201510
Snow days1024000000055

Trelli - weather forecast by months

Trelli weather in januaryTrelli weather in februaryTrelli weather in marchTrelli weather in aprilTrelli weather in mayTrelli weather in juneTrelli weather in julyTrelli weather in augustTrelli weather in septemberTrelli weather in octoberTrelli weather in novemberTrelli weather in december

Best time to visit Trelli:

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

  • June — 12.0(h)
  • July — 12.2(h)
  • August — 10.4(h)

Months with the longest average daylight duration in Trelli:

  • June — 15.8(h)
  • July — 15.4(h)

The largest precipitation sum in Trelli is at

  • May — 214(mm)
  • August — 243(mm)
  • October — 314(mm)

    • Weather forecast in the closest to Trelli admin centers

    Weather forecast in the closest towns to Trelli

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    Frequently asked questions

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