Nettuno weather in March

In March, Nettuno sees average daytime highs of 14°C and overnight lows near 9°C, with 81 mm of rain across 9.9 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 15°C by the end. The sky is clear or mostly clear about 43% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Nettuno's 9th-clearest and 4th-windiest month. For the whole year in context, see Nettuno's year-round climate.

Daytime high
14°
9th warmest
Overnight low
4th coldest
Rainfall
81 mm
9.9 wet days
Daylight
11 h 42 min
6:29 AM – 6:09 PM
Cloud cover
50%
9th clearest
Wind
12 km/h
4th windiest
Solar energy
4.22 kWh/m²
Travel score
4.2
out of 10

Nettuno is chief town of the homonym municipality.

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 13°C in the first days to 15°C by the end.

A typical March day in Nettuno reaches about 14°C in the afternoon and slips back to 9°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 16°C. Set against its neighbours, March runs about 2°C warmer than February and about 2°C cooler than April.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1138
2138
3138
4138
5138
6138
7138
8138
9138
10148
11148
12149
13149
14149
15149
16149
17149
18149
19149
20149
21149
22149
23149
24159
25159
26159
271510
281510
291510
301510
311510

Nettuno weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 8610.79.33.1
Feb12° / 8310.310.33.2
Mar14° / 819.911.74.2
Apr16° / 11°7410.513.15.2
May20° / 15°538.214.36.9
Jun24° / 19°295.114.98.2
Jul27° / 22°193.314.78.4
Aug27° / 22°223.913.78.1
Sep24° / 19°919.212.37.3
Oct20° / 16°13111.110.96.4
Nov16° / 12°16013.89.74.7
Dec13° / 12112.39.13.5

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65743
75842
85941
96040
106040
116139
126139
136238
146238
156238
166238
176139
186040
196040
206040
215941
225842
235842
245842
255743
265743
275743
285842
295941
305941
315941

Chance of precipitation in March

Any precipitation

Nettuno gets around 81 mm of rain over 9.9 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
337
436
535
634
733
832
931
1030
1130
1229
1328
1427
1527
1627
1728
1828
1929
2030
2130
2231
2331
2432
2532
2632
2732
2833
2933
3033
3133

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 (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
29991
30991
31991

Wind in March

Winds average 12 km/h in March.

Across March, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512calm
612calm
712calm
812calm
912calm
1012calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 hours 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 84 minutes over March. Sunrise moves from 6:54 AM to 6:03 AM, and sunset from 5:51 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:545:51
211.06:525:52
311.06:515:54
411.16:495:55
511.16:485:56
611.26:465:57
711.26:445:58
811.36:436:00
911.36:416:01
1011.46:396:02
1111.46:386:03
1211.56:366:04
1311.56:346:05
1411.66:336:06
1511.66:316:08
1611.76:296:09
1711.76:286:10
1811.86:266:11
1911.86:246:12
2011.86:226:13
2111.96:216:14
2211.96:196:15
2312.06:176:17
2412.06:156:18
2512.16:146:19
2612.16:126:20
2712.26:106:21
2812.26:096:22
2912.36:076:23
3012.36:056:24
3112.46:036:25

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.22 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 7.14 kWh/m² in July across the year — March's 4.22 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.6Moderate
43.6Moderate
53.7Moderate
63.7Moderate
73.8Moderate
83.8Moderate
93.9Moderate
104.0Moderate
114.0Bright
124.0Bright
134.1Bright
144.2Bright
154.2Bright
164.3Bright
174.3Bright
184.3Bright
194.4Bright
204.4Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.7Bright
264.7Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
315.0Bright
Planning a trip in March

Hazard calendar for Nettuno

In seasonPeak

In March, Nettuno sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Nettuno's rainy season runs September–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Nettuno?

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

4.2
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a reasonable time to visit Nettuno for sightseeing.

What to pack for Nettuno in March

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

In March, Nettuno sees daytime highs around 14°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Nettuno 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 offshore is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from May 30 to Nov 2 — about 5.2 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr16Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Nettuno 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 Nettuno 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 highHighModerateLowJul 15UV 10Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr4Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Nettuno?

Nettuno sits at 41.5°N, 12.7°E, 11 m above sea level, in Italy. The nearest listed city is Anzio, 4.0 km away.

Topography around Nettuno

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

Within 3 km, the terrain around Nettuno has only modest variations in elevation — a maximum elevation change of 61 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 95 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,137 m.

The land around Nettuno is covered by water (38%) and artificial surfaces (24%) within 3 km, water (53%) within 16 km, and water (45%) and trees (32%) within 80 km.

3 km
61 m
16 km
95 m
80 km
2,137 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Anzio 4.0 km · Marina di Ardea-Tor San Lorenzo 15 km · Aprilia 15 km · Ardea 19 km · Latina 20 km · Cisterna di Latina 20 km · Torvaianica 25 km · Velletri 27 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 Nettuno (41.4579°, 12.6639°, elevation 11 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).