Formia weather in April

In April, Formia sees average daytime highs of 16°C and overnight lows near 11°C, with 82 mm of rain across 10.4 wet days and about 13.1 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 41% 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 Formia's 8th-clearest and 6th-windiest month. For the whole year in context, see Formia's year-round climate.

Daytime high: 16°; 8th warmest
Overnight low: 11°; 5th coldest
Rainfall: 82 mm; 10.4 wet days
Daylight: 13 h 06 min; 5:33 AM – 6:39 PM
Cloud cover: 51%; 8th clearest
Wind: 11 km/h; 6th windiest
Solar energy: 5.46 kWh/m²
Travel score: 5.1; out of 10

Formia is chief town of the homonym municipality.

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

← March Formia year-round climate May →Best places to visit in April

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 17°C by the end.

A typical April day in Formia reaches about 16°C in the afternoon and slips back to 11°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 18°C. Set against its neighbours, April runs about 2°C warmer than March and about 4°C cooler than May.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	15	15	15	15	15	15	15	15	15	15	15	16	16	16	16	16	16	16	16	16	17	17	17	17	17	17	17	18	18	18
Avg low (°C)	10	10	10	10	10	10	10	10	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	13	13	13	13

	Avg high (°C)	Avg low (°C)
1	15	10
2	15	10
3	15	10
4	15	10
5	15	10
6	15	10
7	15	10
8	15	10
9	15	11
10	15	11
11	15	11
12	16	11
13	16	11
14	16	11
15	16	11
16	16	11
17	16	11
18	16	11
19	16	12
20	16	12
21	17	12
22	17	12
23	17	12
24	17	12
25	17	12
26	17	12
27	17	13
28	18	13
29	18	13
30	18	13

Formia weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	12° / 8°	102	10.2	9.4	3.1
Feb	12° / 7°	99	9.8	10.3	3.2
Mar	14° / 9°	93	9.5	11.7	4.1
Apr	16° / 11°	82	10.4	13.1	5.1
May	20° / 15°	53	7.2	14.3	7.0
Jun	24° / 19°	26	4.2	14.9	8.3
Jul	26° / 22°	14	2.8	14.7	8.5
Aug	27° / 22°	19	2.6	13.7	8.3
Sep	24° / 19°	96	8.3	12.3	7.5
Oct	20° / 16°	146	10.4	10.9	6.5
Nov	16° / 12°	202	13.8	9.7	4.7
Dec	13° / 9°	146	12.2	9.1	3.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 39%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	60	61	62	62	61	62	62	62	62	62	63	63	63	63	62	62	62	61	61	61	61	60	60	59	59	59	59	59	59	60
Cloudier (%)	40	39	38	38	39	38	38	38	38	38	37	37	37	37	38	38	38	39	39	39	39	40	40	41	41	41	41	41	41	40

	Clearer (%)	Cloudier (%)
1	60	40
2	61	39
3	62	38
4	62	38
5	61	39
6	62	38
7	62	38
8	62	38
9	62	38
10	62	38
11	63	37
12	63	37
13	63	37
14	63	37
15	62	38
16	62	38
17	62	38
18	61	39
19	61	39
20	61	39
21	61	39
22	60	40
23	60	40
24	59	41
25	59	41
26	59	41
27	59	41
28	59	41
29	59	41
30	60	40

Chance of precipitation in April

Any precipitation

Formia gets around 82 mm of rain over 10.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 36% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	32	33	33	33	34	34	35	35	36	36	36	36	36	36	36	36	35	35	35	34	34	34	34	34	34	34	34	34	34	34

	Rain chance (%)
1	32
2	33
3	33
4	33
5	34
6	34
7	35
8	35
9	36
10	36
11	36
12	36
13	36
14	36
15	36
16	36
17	35
18	35
19	35
20	34
21	34
22	34
23	34
24	34
25	34
26	34
27	34
28	34
29	34
30	34

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	99	98	98	98	98	97	97	96	96	95	94	94	93	92	91	89	88	87	85	84	82	80	78	76	73	70	68	66	63	61
Comfortable (%)	1	2	2	2	2	3	3	4	4	5	6	6	7	8	9	11	12	13	15	16	18	20	22	24	26	29	31	33	35	37
Humid (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	2	2

	Dry (%)	Comfortable (%)	Humid (%)
1	99	1	0
2	98	2	0
3	98	2	0
4	98	2	0
5	98	2	0
6	97	3	0
7	97	3	0
8	96	4	0
9	96	4	0
10	95	5	0
11	94	6	0
12	94	6	0
13	93	7	0
14	92	8	0
15	91	9	0
16	89	11	0
17	88	12	0
18	87	13	0
19	85	15	0
20	84	16	0
21	82	18	0
22	80	20	0
23	78	22	0
24	76	24	0
25	73	26	1
26	70	29	1
27	68	31	1
28	66	33	1
29	63	35	2
30	61	37	2

Wind in April

Winds average 11 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	10	10	10	10	10	10	10	10	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm

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 5:58 AM to 5:12 AM, and sunset from 6:23 PM to 6:54 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.4	12.5	12.5	12.6	12.6	12.6	12.7	12.7	12.8	12.8	12.9	12.9	13.0	13.0	13.1	13.1	13.1	13.2	13.2	13.3	13.3	13.4	13.4	13.5	13.5	13.5	13.6	13.6	13.7	13.7
Sunrise (AM)	5:58	5:56	5:54	5:53	5:51	5:49	5:48	5:46	5:44	5:43	5:41	5:39	5:38	5:36	5:34	5:33	5:31	5:29	5:28	5:26	5:25	5:23	5:22	5:20	5:19	5:17	5:16	5:14	5:13	5:12
Sunset (PM)	6:23	6:24	6:25	6:26	6:27	6:28	6:29	6:30	6:31	6:32	6:33	6:35	6:36	6:37	6:38	6:39	6:40	6:41	6:42	6:43	6:44	6:45	6:47	6:48	6:49	6:50	6:51	6:52	6:53	6:54

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.4	5:58	6:23
2	12.5	5:56	6:24
3	12.5	5:54	6:25
4	12.6	5:53	6:26
5	12.6	5:51	6:27
6	12.6	5:49	6:28
7	12.7	5:48	6:29
8	12.7	5:46	6:30
9	12.8	5:44	6:31
10	12.8	5:43	6:32
11	12.9	5:41	6:33
12	12.9	5:39	6:35
13	13.0	5:38	6:36
14	13.0	5:36	6:37
15	13.1	5:34	6:38
16	13.1	5:33	6:39
17	13.1	5:31	6:40
18	13.2	5:29	6:41
19	13.2	5:28	6:42
20	13.3	5:26	6:43
21	13.3	5:25	6:44
22	13.4	5:23	6:45
23	13.4	5:22	6:47
24	13.5	5:20	6:48
25	13.5	5:19	6:49
26	13.5	5:17	6:50
27	13.6	5:16	6:51
28	13.6	5:14	6:52
29	13.7	5:13	6:53
30	13.7	5:12	6:54

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.46 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 7.08 kWh/m² in July across the year — April's 5.46 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.0	5.0	5.1	5.1	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.6	5.6	5.6	5.7	5.7	5.7	5.7	5.8	5.8	5.8	5.8	5.9
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.0	Bright
2	5.0	Bright
3	5.1	Bright
4	5.1	Bright
5	5.2	Bright
6	5.2	Bright
7	5.2	Bright
8	5.3	Bright
9	5.3	Bright
10	5.3	Bright
11	5.3	Bright
12	5.4	Bright
13	5.4	Bright
14	5.4	Bright
15	5.5	Bright
16	5.5	Bright
17	5.5	Bright
18	5.5	Bright
19	5.6	Bright
20	5.6	Bright
21	5.6	Bright
22	5.7	Bright
23	5.7	Bright
24	5.7	Bright
25	5.7	Bright
26	5.8	Bright
27	5.8	Bright
28	5.8	Bright
29	5.8	Bright
30	5.9	Bright

Planning a trip in April

Hazard calendar for Formia

In seasonPeak

None of Formia's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is April a good time to visit Formia?

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

5.1

Sightseeing

7th-best month of the year

0.7

Beach & pool

8th-best month of the year

April is a reasonable time to visit Formia for sightseeing.

What to pack for Formia in April

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

In April, Formia sees daytime highs around 16°C and nights near 11°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

Sea temperature near Formia 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 15 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 28 to Nov 5 — about 5.3 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	15	14	14	16	19	22	25	26	24	22	19	17
Comfort	Bracing	Bracing	Bracing	Cool	Cool	Refreshing	Warm	Warm	Warm	Refreshing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	15	Bracing
Feb	14	Bracing
Mar	14	Bracing
Apr	16	Cool
May	19	Cool
Jun	22	Refreshing
Jul	25	Warm
Aug	26	Warm
Sep	24	Warm
Oct	22	Refreshing
Nov	19	Cool
Dec	17	Cool

UV index in Formia 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 Formia peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	3	5	4	7	9	10	8	6	4	2	1
Level	Low	Moderate	Moderate	Moderate	High	Very high	Very high	Very high	High	Moderate	Moderate	Low

	UV index (midday)	Level
Jan	2	Low
Feb	3	Moderate
Mar	5	Moderate
Apr	4	Moderate
May	7	High
Jun	9	Very high
Jul	10	Very high
Aug	8	Very high
Sep	6	High
Oct	4	Moderate
Nov	2	Moderate
Dec	1	Low

Location & terrain

Where is Formia?

Formia sits at 41.3°N, 13.6°E, 19 m above sea level, in Italy. The nearest listed city is Gaeta, 6.0 km away.

Topography around Formia

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

Within 3 km, the terrain around Formia has large variations in elevation — a maximum elevation change of 826 m around an average of 111 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,526 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,266 m.

The land around Formia is covered by water (45%) within 3 km, water (42%) and trees (32%) within 16 km, and water (41%) and trees (36%) within 80 km.

3 km

826 m

water 45%

16 km

1,526 m

water 42%

80 km

2,266 m

water 41%

treesshrubsgrasslandcroplandartificial surfaceswater

← March Formia year-round climate May →Best places to visit in April

April weather nearby: Gaeta 6.0 km · Minturno 11 km · Fondi 19 km · Mondragone 28 km · Terracina 31 km · Cassino 31 km · Castel Volturno 37 km · Frosinone 48 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

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 Formia (41.2563°, 13.6089°, elevation 19 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).

	Avg high (°C)	Avg low (°C)
1	15	10
2	15	10
3	15	10
4	15	10
5	15	10
6	15	10
7	15	10
8	15	10
9	15	11
10	15	11
11	15	11
12	16	11
13	16	11
14	16	11
15	16	11
16	16	11
17	16	11
18	16	11
19	16	12
20	16	12
21	17	12
22	17	12
23	17	12
24	17	12
25	17	12
26	17	12
27	17	13
28	18	13
29	18	13
30	18	13

	Clearer (%)	Cloudier (%)
1	60	40
2	61	39
3	62	38
4	62	38
5	61	39
6	62	38
7	62	38
8	62	38
9	62	38
10	62	38
11	63	37
12	63	37
13	63	37
14	63	37
15	62	38
16	62	38
17	62	38
18	61	39
19	61	39
20	61	39
21	61	39
22	60	40
23	60	40
24	59	41
25	59	41
26	59	41
27	59	41
28	59	41
29	59	41
30	60	40

	Rain chance (%)
1	32
2	33
3	33
4	33
5	34
6	34
7	35
8	35
9	36
10	36
11	36
12	36
13	36
14	36
15	36
16	36
17	35
18	35
19	35
20	34
21	34
22	34
23	34
24	34
25	34
26	34
27	34
28	34
29	34
30	34

	Dry (%)	Comfortable (%)	Humid (%)
1	99	1	0
2	98	2	0
3	98	2	0
4	98	2	0
5	98	2	0
6	97	3	0
7	97	3	0
8	96	4	0
9	96	4	0
10	95	5	0
11	94	6	0
12	94	6	0
13	93	7	0
14	92	8	0
15	91	9	0
16	89	11	0
17	88	12	0
18	87	13	0
19	85	15	0
20	84	16	0
21	82	18	0
22	80	20	0
23	78	22	0
24	76	24	0
25	73	26	1
26	70	29	1
27	68	31	1
28	66	33	1
29	63	35	2
30	61	37	2

	Avg high (°C)	Avg low (°C)
1	15	10
2	15	10
3	15	10
4	15	10
5	15	10
6	15	10
7	15	10
8	15	10
9	15	11
10	15	11
11	15	11
12	16	11
13	16	11
14	16	11
15	16	11
16	16	11
17	16	11
18	16	11
19	16	12
20	16	12
21	17	12
22	17	12
23	17	12
24	17	12
25	17	12
26	17	12
27	17	13
28	18	13
29	18	13
30	18	13

	Clearer (%)	Cloudier (%)
1	60	40
2	61	39
3	62	38
4	62	38
5	61	39
6	62	38
7	62	38
8	62	38
9	62	38
10	62	38
11	63	37
12	63	37
13	63	37
14	63	37
15	62	38
16	62	38
17	62	38
18	61	39
19	61	39
20	61	39
21	61	39
22	60	40
23	60	40
24	59	41
25	59	41
26	59	41
27	59	41
28	59	41
29	59	41
30	60	40

	Rain chance (%)
1	32
2	33
3	33
4	33
5	34
6	34
7	35
8	35
9	36
10	36
11	36
12	36
13	36
14	36
15	36
16	36
17	35
18	35
19	35
20	34
21	34
22	34
23	34
24	34
25	34
26	34
27	34
28	34
29	34
30	34

	Dry (%)	Comfortable (%)	Humid (%)
1	99	1	0
2	98	2	0
3	98	2	0
4	98	2	0
5	98	2	0
6	97	3	0
7	97	3	0
8	96	4	0
9	96	4	0
10	95	5	0
11	94	6	0
12	94	6	0
13	93	7	0
14	92	8	0
15	91	9	0
16	89	11	0
17	88	12	0
18	87	13	0
19	85	15	0
20	84	16	0
21	82	18	0
22	80	20	0
23	78	22	0
24	76	24	0
25	73	26	1
26	70	29	1
27	68	31	1
28	66	33	1
29	63	35	2
30	61	37	2

	Avg high (°C)	Avg low (°C)
1	15	10
2	15	10
3	15	10
4	15	10
5	15	10
6	15	10
7	15	10
8	15	10
9	15	11
10	15	11
11	15	11
12	16	11
13	16	11
14	16	11
15	16	11
16	16	11
17	16	11
18	16	11
19	16	12
20	16	12
21	17	12
22	17	12
23	17	12
24	17	12
25	17	12
26	17	12
27	17	13
28	18	13
29	18	13
30	18	13

	Clearer (%)	Cloudier (%)
1	60	40
2	61	39
3	62	38
4	62	38
5	61	39
6	62	38
7	62	38
8	62	38
9	62	38
10	62	38
11	63	37
12	63	37
13	63	37
14	63	37
15	62	38
16	62	38
17	62	38
18	61	39
19	61	39
20	61	39
21	61	39
22	60	40
23	60	40
24	59	41
25	59	41
26	59	41
27	59	41
28	59	41
29	59	41
30	60	40

	Rain chance (%)
1	32
2	33
3	33
4	33
5	34
6	34
7	35
8	35
9	36
10	36
11	36
12	36
13	36
14	36
15	36
16	36
17	35
18	35
19	35
20	34
21	34
22	34
23	34
24	34
25	34
26	34
27	34
28	34
29	34
30	34

	Dry (%)	Comfortable (%)	Humid (%)
1	99	1	0
2	98	2	0
3	98	2	0
4	98	2	0
5	98	2	0
6	97	3	0
7	97	3	0
8	96	4	0
9	96	4	0
10	95	5	0
11	94	6	0
12	94	6	0
13	93	7	0
14	92	8	0
15	91	9	0
16	89	11	0
17	88	12	0
18	87	13	0
19	85	15	0
20	84	16	0
21	82	18	0
22	80	20	0
23	78	22	0
24	76	24	0
25	73	26	1
26	70	29	1
27	68	31	1
28	66	33	1
29	63	35	2
30	61	37	2