The best times to visit Castelli Romani for ideal weather are

April 9th to July 1st

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



Other Castelli Romani Travel Info

Weather in Castelli Romani


Average temperatures in Castelli Romani vary greatly. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a fair chance of precipitation about half of the year. The area is somewhat temperate — in the 41st 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 Castelli Romani, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally mid to late August where highs are regularly around 91.2°F (32.9°C) with temperatures rarely dropping below 68.5°F (20.3°C) at night.

Castelli Romani Temperatures (Fahrenheit)


Castelli Romani 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.

Castelli Romani Perceived Temperature (F)


Castelli Romani Perceived Temperature (C)



Average Castelli Romani 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 54.6 46.5 39.2
Feb 55.5 46.4 38.5
Mar 60.7 51.4 42.8
Apr 67.7 57.8 48.4
May 74.6 64.4 54.3
Jun 82.9 72.4 61.9
Jul 88.8 77.8 67.3
Aug 89.9 78.5 67.9
Sep 81 70.5 61.5
Oct 72.6 62.6 54.3
Nov 63.2 54.6 47.2
Dec 55.3 47.1 40

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 12.6 8.1 4
Feb 13.1 8 3.6
Mar 15.9 10.8 6
Apr 19.8 14.3 9.1
May 23.7 18 12.4
Jun 28.3 22.4 16.6
Jul 31.6 25.4 19.6
Aug 32.2 25.8 19.9
Sep 27.2 21.4 16.4
Oct 22.6 17 12.4
Nov 17.3 12.6 8.4
Dec 12.9 8.4 4.4



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Castelli Romani are August, July, and then June. 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 August. For example, on the week of August 6th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early February with an average of 2 days of significant precipitation the week of February 5th.

When can you find snow in Castelli Romani? Weather stations report a bit of annual snow likely to be deepest around February, especially close to late January and early February. The best time to ski (if at all) in Castelli Romani is often around around January 29th when fresh powder is deepest. 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 Castelli Romani.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 22% 0 3.1
Feb 24% 1.8 3.3
Mar 20% 0 3.1
Apr 14% 0 1.7
May 12% 0 2.5
Jun 7% 0 1.4
Jul 5% 0 0.6
Aug 1% 0 0.4
Sep 10% 0 1.4
Oct 12% 0 1.9
Nov 20% 0 4
Dec 19% 0 3.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 22 0 7.9
Feb 24 4.6 8.4
Mar 20 0 7.9
Apr 14 0 4.3
May 12 0 6.4
Jun 7 0 3.6
Jul 5 0 1.5
Aug 1 0 1
Sep 10 0 3.6
Oct 12 0 4.8
Nov 20 0 10.2
Dec 19 0 8.9


Humidity and Wind

Castelli Romani has some very humid months, with other comfortably humid months. The least humid month is August (52.5% relative humidity), and the most humid month is November (74.7%).

Wind in Castelli Romani is usually calm. The windiest month is February, followed by March and November. February’s average wind speed of around 5.4 knots (6.3 MPH or 10.1 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 November to early December 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 Castelli Romani.

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. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 4.8 Light breeze 10.5 Gentle breeze
Feb 5.4 Light breeze 12.4 Significant breeze
Mar 5.3 Light breeze 11.8 Gentle breeze
Apr 4.9 Light breeze 11.3 Significant breeze
May 4.9 Light breeze 11.5 Gentle breeze
Jun 4.9 Light breeze 11.2 Significant breeze
Jul 4.9 Light breeze 11.1 Gentle breeze
Aug 4.6 Light breeze 10.6 Gentle breeze
Sep 4.9 Light breeze 10.8 Gentle breeze
Oct 4.6 Light breeze 10.2 Gentle breeze
Nov 5.1 Light breeze 10.9 Gentle breeze
Dec 5.1 Light breeze 10.8 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 74%
Feb 67.1%
Mar 66.5%
Apr 62.9%
May 60.6%
Jun 56.3%
Jul 53.9%
Aug 52.5%
Sep 60.7%
Oct 68.1%
Nov 74.7%
Dec 72.4%


Is it Safe to Travel to Castelli Romani?

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 Castelli Romani, 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 Castelli Romani 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

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 Castelli Romani Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 77.4°F (25.2°C) and 58.2°F (14.6°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 6 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 2 days of precipitation per month. June – August is fairly slow season for tourism in Castelli Romani, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 84.2°F (29°C) and 59.2°F (15.1°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 3 to 6 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 Castelli Romani to be enjoyable for warm weather travelers. The average high during this season is between 59.1°F (15.1°C) and 52.2°F (11.2°C). On average, it rains or snows a fair amount: 6 to 7 times per month. These times of year are the second busiest with tourists.


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