The best times to visit Guidonia Montecelio for ideal weather are

April 23rd 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.

 

 


Other Guidonia Montecelio Travel Info

Weather in Guidonia Montecelio

Temperature

Average temperatures in Guidonia Montecelio vary greatly. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is less temperate than some — in the 37th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Guidonia Montecelio, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally late June where highs are regularly around 95.5°F (35.3°C) with temperatures rarely dropping below 64.7°F (18.2°C) at night.

Guidonia Montecelio Temperatures (Fahrenheit)

Key
High
Average
Low

Guidonia Montecelio Temperatures (Celsius)

Key
High
Average
Low

“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.

Guidonia Montecelio Perceived Temperature (F)

Key
High
Average
Low

Guidonia Montecelio Perceived Temperature (C)

Key
High
Average
Low

 

Average Guidonia Montecelio 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

MonthAvg. High (°F)Avg. Mean (°F)Avg. Low (°F)
Jan56.44631.5
Feb58.947.632.1
Mar61.65133.2
Apr66.555.536.4
May76.563.646.3
Jun8571.759.6
Jul90.475.862.1
Aug92.476.262.2
Sep81.96750.7
Oct73.160.943.4
Nov62.55132.9
Dec54.64430.6

Show Celsius

MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
Jan13.67.8-0.3
Feb14.98.70.1
Mar16.410.60.7
Apr19.213.12.4
May24.717.67.9
Jun29.422.115.3
Jul32.424.316.7
Aug33.624.616.8
Sep27.719.410.4
Oct22.816.16.3
Nov16.910.60.5
Dec12.66.7-0.8

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Guidonia Montecelio are August, July, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid March. For example, on the week of March 12th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid April with an average of 4 days of significant precipitation the week of April 9th.

When can you find snow in Guidonia Montecelio? 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 Guidonia Montecelio.

Key
Days with precipitation

Snow on the Ground

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

Key
Snow depth

Average Rain and Snow by Month

Show Inches

MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
Jan18%02.5
Feb27%02.4
Mar26%03.1
Apr32%02.9
May15%04.4
Jun17%02
Jul6%01.7
Aug0%00
Sep10%01.4
Oct14%03.2
Nov28%03.2
Dec21%04.2

Show Centimeters

MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
Jan1806.4
Feb2706.1
Mar2607.9
Apr3207.4
May15011.2
Jun1705.1
Jul604.3
Aug000
Sep1003.6
Oct1408.1
Nov2808.1
Dec21010.7

 

Humidity and Wind

Guidonia Montecelio has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is August (45.5% relative humidity), and the most humid month is January (63.1%).

Wind in Guidonia Montecelio is usually extremely calm. The windiest month is April, followed by July and March. April’s average wind speed of around 5.1 knots (5.8 MPH or 9.4 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late July where average top sustained speeds reach 13.3 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

Key
Avg. Relative Humidity

Wind

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

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

MonthAvg. WindAvg. Wind FeelSustained High WindHigh Wind Feel
Jan4.1Light breeze10.4Gentle breeze
Feb3.7Barely noticeable8.3Gentle breeze
Mar4.2Light breeze10Gentle breeze
Apr5.1Light breeze11Significant breeze
May3.6Barely noticeable8.9Gentle breeze
Jun3.8Barely noticeable9.6Gentle breeze
Jul4.4Light breeze11.7Gentle breeze
Aug3.8Barely noticeable9.8Gentle breeze
Sep3.6Barely noticeable9.2Gentle breeze
Oct3.5Barely noticeable7.4Gentle breeze
Nov3.3Barely noticeable8.2Gentle breeze
Dec3.4Barely noticeable7.8Gentle breeze

Show Relative Humidity by Month

MonthAvg. Relative Humidity
Jan63.1%
Feb54.9%
Mar59.4%
Apr56.4%
May60.1%
Jun55.5%
Jul48%
Aug45.5%
Sep47.9%
Oct57.2%
Nov61.1%
Dec58.5%

 

Is it Safe to Travel to Guidonia Montecelio?

Our best data indicates this area is generally safe. As of Oct 07, 2019 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. This advisory was last updated on Aug 22, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Guidonia Montecelio, Italy is January, followed by February and March. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Guidonia Montecelio in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 53.8 in December means 53.8% of the tourists vs. January.

 

 

Overall Guidonia Montecelio Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 80.5°F (26.9°C) and 56°F (13.3°C) with warmer temperatures in the later months. Rain is somewhat common with 5 to 9 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the least precipitation with 0 to 5 days of precipitation per month. June – August is fairly slow season for tourism in Guidonia Montecelio, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 93.1°F (33.9°C) and 58.4°F (14.7°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 3 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Guidonia Montecelio to be enjoyable for warm weather travelers. The average high during this season is between 63°F (17.2°C) and 53.5°F (11.9°C). On average, it rains or snows a fair amount: 6 to 8 times per month. These times of year are the second busiest with tourists.

 

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