Colleferro weather in March

In March, Colleferro sees average daytime highs of 14°C and overnight lows near 4°C, with 105 mm of precipitation across 11.2 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 12°C in the first days to 15°C by the end. The sky is clear or mostly clear about 34% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Colleferro's 10th-clearest and 1st-windiest month. For the whole year in context, see Colleferro's year-round climate.

Daytime high
14°
9th warmest
Overnight low
4th coldest
Precipitation
105 mm
11.2 wet days
Daylight
11 h 42 min
6:28 AM – 6:07 PM
Cloud cover
56%
10th clearest
Wind
6 km/h
1st windiest
Solar energy
4.1 kWh/m²
Travel score
3.9
out of 10

Colleferro is chief town of the homonym municipality.

Air quality
Elevated
PM2.5 20.2 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 12°C in the first days to 15°C by the end.

A typical March day in Colleferro reaches about 14°C in the afternoon and slips back to 4°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 17°C. Set against its neighbours, March runs about 3°C warmer than February and about 3°C cooler than April.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1122
2122
3123
4123
5123
6123
7133
8133
9133
10133
11133
12133
13133
14133
15144
16144
17144
18144
19144
20144
21144
22144
23144
24144
25154
26155
27155
28155
29155
30155
31155

How March really feels in Colleferro

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Colleferro weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 869.519.32.1
Feb11° / 9210.11.310.32.5
Mar14° / 10511.20.911.73.9
Apr17° / 11914.10.313.14.8
May21° / 11°10012.1014.36.3
Jun25° / 15°689.30157.2
Jul29° / 17°436.5014.76.8
Aug29° / 17°427.5013.76.4
Sep24° / 14°10311.3012.36.8
Oct20° / 10°13111.3010.96.2
Nov14° / 15713.20.19.64.0
Dec10° / 12610.70.592.5

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 18% of March, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35149
45149
55149
65248
75248
85347
95347
105446
115446
125545
135545
145644
155545
165446
175446
185347
195248
205149
215149
225050
235050
244951
254951
264951
274951
284951
294951
304951
315149

Chance of precipitation in March

Any precipitationSnow

Colleferro gets around 105 mm of rain and snow over 11.2 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 42% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1404
2394
3394
4384
5374
6374
7363
8353
9343
10333
11322
12312
13312
14302
15302
16302
17312
18312
19322
20332
21342
22353
23363
24373
25383
26393
27403
28402
29412
30422
31422

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 6 km/h in March, the windiest month of the year.

Across March, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 54 min at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over March. Sunrise moves from 6:53 AM to 6:02 AM, and sunset from 5:50 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:535:50
211.06:515:51
311.06:505:52
411.16:485:53
511.16:465:54
611.26:455:56
711.26:435:57
811.36:425:58
911.36:405:59
1011.46:386:00
1111.46:376:01
1211.56:356:03
1311.56:336:04
1411.66:316:05
1511.66:306:06
1611.76:286:07
1711.76:266:08
1811.76:256:09
1911.86:236:11
2011.86:216:12
2111.96:196:13
2211.96:186:14
2312.06:166:15
2412.06:146:16
2512.16:126:17
2612.16:116:19
2712.26:096:20
2812.26:076:21
2912.36:056:22
3012.36:046:23
3112.46:026:24

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.1 kWh/m².

For context, solar energy here swings from a low near 1.65 kWh/m² to a high of 7 kWh/m² in July across the year — March's 4.1 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.5Moderate
43.5Moderate
53.6Moderate
63.6Moderate
73.7Moderate
83.7Moderate
93.8Moderate
103.8Moderate
113.9Moderate
124.0Moderate
134.0Bright
144.0Bright
154.1Bright
164.2Bright
174.2Bright
184.2Bright
194.3Bright
204.3Bright
214.4Bright
224.4Bright
234.5Bright
244.5Bright
254.5Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.8Bright
314.8Bright
Planning a trip in March

Is March a good time to visit Colleferro?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.9
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Colleferro.

What to pack for Colleferro in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Colleferro sees daytime highs around 14°C and nights near 4°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Colleferro in March

The nearest coast averages about 14°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 41 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from May 29 to Nov 4 — about 5.3 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Colleferro in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Colleferro peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highModerateLowJul 15UV 10Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr4Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Colleferro in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Colleferro is worst in April — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Colleferro's WHO annual average of 20.2 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1125 µg/m³Sep 1817 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb22Moderate
Mar25Moderate
Apr25Moderate
May22Moderate
Jun20Moderate
Jul17Moderate
Aug19Moderate
Sep17Moderate
Oct18Moderate
Nov17Moderate
Dec19Moderate
Location & terrain

Where is Colleferro?

Colleferro sits at 41.7°N, 13.0°E, 218 m above sea level, in Italy. The nearest listed city is Velletri, 19 km away.

Topography around Colleferro

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Colleferro.

Within 3 km, the terrain around Colleferro has significant variations in elevation — a maximum elevation change of 471 m around an average of 280 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,328 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,452 m.

The land around Colleferro is covered by trees (44%) and cropland (26%) within 3 km, trees (68%) within 16 km, and trees (45%) and water (24%) within 80 km.

3 km
471 m
16 km
1,328 m
80 km
2,452 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Velletri 19 km · Cisterna di Latina 21 km · Rocca di Papa 25 km · Sezze 26 km · Genzano di Roma 26 km · Ariccia 28 km · Grottaferrata 28 km · Frascati 28 km

Italy travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
230 V · 50 Hz
Prices
≈ 69% of US
price level, 2025
GDP per capita
$43,309
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 513
Religion
Christian 81%unaffiliated 13%Muslim 5%other 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Colleferro (41.7272°, 13.0048°, elevation 218 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).