Climate averages 1991–2020

Fiumicino weather
in October.

A mild, wet month: the 6th warmest and the 11th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 20.5°C Daytime mean, October
Average low 15.6°C Night-time mean, October
Rainfall 131 mm 10 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Fiumicino · average highYear overview

October is a mild month in Fiumicino: daytime highs average 20.5°C and nights cool to about 15.6°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 131 mm of rain on roughly 10 days, which makes October a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 07 min on an average October day.

The nearest other city in this atlas is Acilia-Castel Fusano-Ostia Antica (8 km away). In October its highs average 20.6°C, about as warm as Fiumicino, with 131 mm of rain.

Among the 79 cities listed in Italy, Fiumicino ranks joint 30th of 79 for the warmest October highs and joint 61st of 79 for the driest October (rainfall, lowest first). The mean October high of those 79 cities is 19.6°C; Fiumicino is 1.0°C warmer than that mean.

From October to November, average highs fall by 4.1°C to 16.4°C, and monthly rainfall rises from 131 mm to 161 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Fiumicino climate table

1991–2020
Monthly climate averages for Fiumicino, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 12.0°C6.9°C6.9°C8110.59.510 h
February 12.4°C6.8°C6.8°C799.710.611 h
March 14.4°C8.5°C8.5°C728.611.912 h
April 16.7°C10.9°C10.9°C618.013.313 h
May 20.6°C14.7°C14.7°C406.014.515 h
June 24.6°C18.6°C18.6°C223.315.215 h
July 27.4°C21.4°C21.4°C151.814.915 h
August 27.9°C22.0°C22.0°C212.613.914 h
September 24.2°C18.9°C18.9°C867.812.513 h
October, selected 20.5°C15.6°C15.6°C13110.411.111 h
November 16.4°C11.8°C11.8°C16113.39.910 h
December 13.0°C8.3°C8.3°C11511.79.29 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

October in nearby cities

Distance from Fiumicino

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Fiumicino) is explained once on the Fiumicino year overview and on the Sources, method and limits page.

Acilia-Castel Fusano-Ostia Antica lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.