Frosinone weather in April

In April, Frosinone sees average daytime highs of 16°C and overnight lows near 5°C, with 124 mm of precipitation across 13.7 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 18°C by the end. The sky is clear or mostly clear about 28% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 42 min by month's end. Set against the rest of the year, April is Frosinone's 12th-clearest and 2nd-windiest month. For the whole year in context, see Frosinone's year-round climate.

Daytime high
16°
7th warmest
Overnight low
6th coldest
Precipitation
124 mm
13.7 wet days
Daylight
13 h 06 min
5:33 AM – 6:40 PM
Cloud cover
60%
12th clearest
Wind
5 km/h
2nd windiest
Solar energy
5.19 kWh/m²
Travel score
4.4
out of 10
Air quality
Elevated
PM2.5 17 µg/m³ · 2019

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 18°C by the end.

A typical April day in Frosinone reaches about 16°C in the afternoon and slips back to 5°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 20°C. Set against its neighbours, April runs about 3°C warmer than March and about 4°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1144
2144
3144
4144
5154
6154
7154
8154
9155
10155
11155
12155
13155
14155
15155
16165
17165
18166
19166
20166
21166
22166
23176
24177
25177
26177
27177
28187
29187
30188

How April really feels in Frosinone

Once humidity and wind are folded in, April 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

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

Frosinone weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 939.81.69.31.6
Feb / 10010.3210.32.0
Mar13° / 11111.21.511.73.4
Apr16° / 12413.70.413.14.4
May20° / 10°10212.2014.36.1
Jun25° / 13°699.20157.2
Jul28° / 16°466.9014.77.2
Aug28° / 16°447.5013.76.8
Sep23° / 13°11210.9012.36.8
Oct19° / 14511.7010.95.8
Nov13° / 173130.29.73.5
Dec / 13810.91.191.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in April, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24753
34753
44654
54753
64753
74753
84654
94654
104753
114654
124654
134654
144654
154654
164654
174555
184654
194654
204654
214654
224654
234555
244555
254555
264456
274456
284456
294456
304456

Chance of precipitation in April

Any precipitationSnow

Frosinone gets around 124 mm of rain and snow over 13.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 46% and peaks near 48% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1413
2422
3422
4422
5432
6432
7442
8442
9452
10462
11462
12472
13472
14472
15472
16472
17472
18472
19472
20472
21471
22471
23471
24471
25471
26471
27470
28480
29480
30470

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
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
27991
28991
29991
30991

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over April. Sunrise moves from 5:59 AM to 5:12 AM, and sunset from 6:24 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:596:24
212.55:576:25
312.55:556:26
412.65:546:27
512.65:526:28
612.75:506:29
712.75:486:30
812.75:476:32
912.85:456:33
1012.85:436:34
1112.95:426:35
1212.95:406:36
1313.05:386:37
1413.05:376:38
1513.15:356:39
1613.15:336:40
1713.25:326:42
1813.25:306:43
1913.35:286:44
2013.35:276:45
2113.35:256:46
2213.45:246:47
2313.45:226:48
2413.55:216:49
2513.55:196:50
2613.65:186:51
2713.65:166:53
2813.65:156:54
2913.75:136:55
3013.75:126:56

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.19 kWh/m².

For context, solar energy here swings from a low near 1.65 kWh/m² to a high of 6.93 kWh/m² in July across the year — April's 5.19 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.2Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.6Bright
305.6Bright
Planning a trip in April

Is April a good time to visit Frosinone?

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

4.4
Sightseeing
7th-best month of the year
0.5
Beach & pool
7th-best month of the year

April is a reasonable time to visit Frosinone for sightseeing.

What to pack for Frosinone in April

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

In April, Frosinone sees daytime highs around 16°C and nights near 5°C. Pack rain gear. Worth having: a warm layer and sun protection. About 14 days see rain.

rain geara warm layersun protection

Sea temperature near Frosinone in April

The nearest coast averages about 16°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 49 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 Frosinone in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Frosinone 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 Frosinone in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Frosinone is worst in April — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Frosinone's WHO annual average of 17 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1121 µg/m³Nov 1715 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb18Moderate
Mar20Moderate
Apr21Moderate
May17Moderate
Jun17Moderate
Jul15Moderate
Aug18Moderate
Sep15Moderate
Oct15Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Frosinone?

Frosinone sits at 41.6°N, 13.3°E, 291 m above sea level, in Italy. The nearest listed city is Sora, 24 km away.

Topography around Frosinone

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

Within 3 km, the terrain around Frosinone has only modest variations in elevation — a maximum elevation change of 162 m around an average of 192 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,425 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,771 m.

The land around Frosinone is covered by trees (51%) and artificial surfaces (29%) within 3 km, trees (64%) within 16 km, and trees (48%) and water (22%) within 80 km.

3 km
162 m
16 km
1,425 m
80 km
2,771 m
treesshrubsgrasslandcroplandartificial surfaceswater
April weather nearby: Sora 24 km · Sezze 28 km · Colleferro 30 km · Fondi 32 km · Terracina 40 km · Latina 41 km · Cisterna di Latina 43 km · Avezzano 44 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 Frosinone (41.6398°, 13.3411°, elevation 291 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).