The best times to visit Terni for ideal weather are

April 30th to June 17th


September 10th to October 28th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

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Terni Travel Guide

  • Safety
  • The busiest and least popular months
  • Overall travel experience by time of year
  • Weather in Terni


    Average temperatures in Terni vary somewhat and are temperate for much of the year. The area is in the top 33 percent of tourist destinations for pleasant weather. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Terni, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 69.1°F (20.6°C) with temperatures rarely dropping below 47.9°F (8.8°C) at night.

    Terni Temperatures (Fahrenheit)


    Terni Temperatures (Celsius)


    “Feels-Like” Temperatures

    The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

    Terni Perceived Temperature (F)


    Terni Perceived Temperature (C)



    Average Terni Temperatures by Month

    Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

    Show Fahrenheit

    Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
    Jan 50.3 43.3 33.3
    Feb 53.2 44.5 33
    Mar 58.5 49.7 35.7
    Apr 67.4 56.9 41.4
    May 74 63.5 48.3
    Jun 83.5 72.4 59.1
    Jul 89.1 76.7 61.7
    Aug 90.4 77.2 62.1
    Sep 78 67.2 52.4
    Oct 69.7 59.9 45.6
    Nov 57.3 49.2 38.3
    Dec 48.5 41.9 33.5

    Show Celsius

    Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
    Jan 10.2 6.3 0.7
    Feb 11.8 6.9 0.6
    Mar 14.7 9.8 2.1
    Apr 19.7 13.8 5.2
    May 23.3 17.5 9.1
    Jun 28.6 22.4 15.1
    Jul 31.7 24.8 16.5
    Aug 32.4 25.1 16.7
    Sep 25.6 19.6 11.3
    Oct 20.9 15.5 7.6
    Nov 14.1 9.6 3.5
    Dec 9.2 5.5 0.8


    Precipitation (Rain or Snow)

    If dry weather is what you’re after, the months with the lowest chance of precipitation in Terni are February, December, and then March. The lowest chance of rain or snow occurs around late July. For example, on the week of July 23rd there are only 0 days of precipitation on average. By contrast, it’s most likely to rain or snow in mid-to late September with an average of 2.5 days with significant precipitation the week of September 17th.

    When can you find snow in Terni? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

    Chance of Precipitation

    The graph below shows the % chance of rainy and snowy days in Terni.

    Days with precipitation

    Snow on the Ground

    The graph below shows the average snow on the ground in Terni (in).

    Snow depth

    Average Rain and Snow by Month

    Show Inches

    Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
    Jan 12.9 0 0.04
    Feb 18.6 0 0.05
    Mar 15.7 0 0.04
    Apr 12.9 0 0.03
    May 14.3 0 0.03
    Jun 14.3 0 0.02
    Jul 5.7 0 0.01
    Aug 7.1 0 0.02
    Sep 15.7 0 0.04
    Oct 8.6 0 0.02
    Nov 7.1 0 0.02
    Dec 15.7 0 0.04

    Show Centimeters

    Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
    Jan 12.9 0 0.1
    Feb 18.6 0 0.13
    Mar 15.7 0 0.1
    Apr 12.9 0 0.08
    May 14.3 0 0.08
    Jun 14.3 0 0.05
    Jul 5.7 0 0.03
    Aug 7.1 0 0.05
    Sep 15.7 0 0.1
    Oct 8.6 0 0.05
    Nov 7.1 0 0.05
    Dec 15.7 0 0.1


    Humidity and Wind

    Terni has slightly low to average humidity compared to most tourist destinations. The least humid month is August (38.1% relative humidity), and the most humid month is December (77.4%).

    Wind in Terni is usually moderate. The windiest month is March, followed by September and April. March’s average wind speed of around 6.3 knots (7.2 MPH or 11.7 KPH) is considered “light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early March where average top sustained speeds reach 14.4 knots, which is considered a moderate breeze.

    Relative Humidity (%)

    The graph below shows the average % humidity by month in Terni.

    Avg. Relative Humidity


    The graph below shows wind speed (max and average) in knots.

    Max Sustained Wind
    Average Daily Wind

    Average Wind Speeds

    Show Wind Speeds

    All wind speeds are in knots.

    Month Avg. Wind Meaning (Beaufort) Avg. Maximum Sustained Wind Meaning (Beufort)
    Jan 4.6 a light breeze 9.5 a gentle breeze
    Feb 5.6 a light breeze 11 a moderate breeze
    Mar 6.3 a light breeze 12.4 a gentle breeze
    Apr 5.7 a light breeze 12 a moderate breeze
    May 5 a light breeze 10.6 a gentle breeze
    Jun 4.5 a light breeze 9.7 a gentle breeze
    Jul 5.1 a light breeze 10.7 a gentle breeze
    Aug 4.9 a light breeze 10.4 a gentle breeze
    Sep 5.8 a light breeze 11.8 a gentle breeze
    Oct 5.4 a light breeze 10.6 a gentle breeze
    Nov 4.8 a light breeze 10 a gentle breeze
    Dec 5.1 a light breeze 10.4 a gentle breeze

    Show Relative Humidity by Month

    Month Avg. Relative Humidity
    Jan 76.5
    Feb 66.7
    Mar 64.1
    Apr 55.8
    May 55.8
    Jun 50.4
    Jul 40
    Aug 38.1
    Sep 50
    Oct 61.8
    Nov 74.3
    Dec 77.4


    Is it Safe to Travel to Terni?

    As of 6/16/2017 there are no travel advisories or warnings for Italy; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories.

    Overall Terni Travel Experience by Season

    Spring (March through May)

    Humidity and temperatures combine to make this season feel moderate. Highs range from 57.8°F (14.3°C) and 40.8°F (4.9°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 5 days of precipitation per month. Spring is slow/unreported for tourism, which makes it a good time for those looking for deals.

    Summer (June through August)

    The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 2 to 4 days of precipitation per month. June – August is slow/unreported season for tourism in Terni, so lodging and other accommodations may cost as much as usual.

    Fall (September through November)

    Fall daily highs range from 64.2°F (17.9°C) and 39.6°F (4.2°C), which will feel comfortable given the humidity and wind. It rains or snows a small amount: 2 to 5 days per month. Tourism is slow/unreported during these months due to the weather, so hotels may be normally priced.

    Winter (December through February)

    Weather is too cold this time of year in Terni to be enjoyable for warm weather travelers. The average high during this season is between 41.6°F (5.3°C) and 35.2°F (1.8°C). On average, it rains or snows a noticeable amount: 4 to 5 times per month. These times of year are slow/unreported with tourists.


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