Grottaferrata weather in April

In April, Grottaferrata sees average daytime highs of 18°C and overnight lows near 9°C, with 94 mm of precipitation across 12.7 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 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 36% 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 Grottaferrata's 11th-clearest and 4th-windiest month. For the whole year in context, see Grottaferrata's year-round climate.

Daytime high: 18°; 7th warmest
Overnight low: 9°; 6th coldest
Precipitation: 94 mm; 12.7 wet days
Daylight: 13 h 06 min; 5:36 AM – 6:43 PM
Cloud cover: 54%; 11th clearest
Wind: 8 km/h; 4th windiest
Solar energy: 5.33 kWh/m²
Travel score: 5.4; out of 10

Grottaferrata is chief town of the homonym municipality.

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

← March Grottaferrata 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 16°C in the first days to 19°C by the end.

A typical April day in Grottaferrata reaches about 18°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 21°C. Set against its neighbours, April runs about 3°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)	16	16	16	16	17	17	17	17	17	17	17	17	17	17	17	18	18	18	18	18	18	18	19	19	19	19	19	19	20	20
Avg low (°C)	7	7	7	7	7	7	8	8	8	8	8	8	8	8	8	8	9	9	9	9	9	9	9	10	10	10	10	10	10	11

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

Grottaferrata 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	11° / 3°	78	9.6	0.3	9.3	2.9
Feb	12° / 4°	82	9.8	0.6	10.3	3.2
Mar	15° / 6°	88	10.3	0.1	11.7	4.5
Apr	18° / 9°	94	12.7	0.1	13.1	5.4
May	22° / 13°	75	10.1	0	14.3	6.8
Jun	26° / 16°	46	7.7	0	15	7.3
Jul	29° / 19°	29	5.2	0	14.7	6.5
Aug	30° / 19°	30	5.8	0	13.7	6.2
Sep	25° / 16°	93	10.3	0	12.3	7.0
Oct	21° / 12°	125	11.3	0	10.9	6.4
Nov	16° / 8°	148	12.8	0	9.6	4.6
Dec	12° / 5°	113	10.8	0.1	9	3.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 44%.

	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 (%)	55	55	55	55	56	56	56	56	56	56	56	56	56	56	57	57	57	57	56	56	56	55	55	55	55	55	55	55	55	55
Cloudier (%)	45	45	45	45	44	44	44	44	44	44	44	44	44	44	43	43	43	43	44	44	44	45	45	45	45	45	45	45	45	45

	Clearer (%)	Cloudier (%)
1	55	45
2	55	45
3	55	45
4	55	45
5	56	44
6	56	44
7	56	44
8	56	44
9	56	44
10	56	44
11	56	44
12	56	44
13	56	44
14	56	44
15	57	43
16	57	43
17	57	43
18	57	43
19	56	44
20	56	44
21	56	44
22	55	45
23	55	45
24	55	45
25	55	45
26	55	45
27	55	45
28	55	45
29	55	45
30	55	45

Chance of precipitation in April

Any precipitation

Grottaferrata gets around 94 mm of rain and snow over 12.7 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 42% and peaks near 44% on the wettest days, and about 0 day brings snow.

	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 (%)	38	38	39	39	39	39	40	40	41	41	42	42	43	43	43	43	43	43	43	43	43	44	44	44	44	44	44	44	44	44

	Rain chance (%)
1	38
2	38
3	39
4	39
5	39
6	39
7	40
8	40
9	41
10	41
11	42
12	42
13	43
14	43
15	43
16	43
17	43
18	43
19	43
20	43
21	43
22	44
23	44
24	44
25	44
26	44
27	44
28	44
29	44
30	44

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 97% 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 (%)	100	100	100	100	100	100	100	100	100	100	100	99	99	99	99	99	99	98	98	98	97	97	96	95	94	93	92	90	89	87
Comfortable (%)	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	2	2	2	3	3	4	5	6	7	8	10	11	13

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	98	2
19	98	2
20	98	2
21	97	3
22	97	3
23	96	4
24	95	5
25	94	6
26	93	7
27	92	8
28	90	10
29	89	11
30	87	13

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 8 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)	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
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	8	calm
2	8	calm
3	8	calm
4	8	calm
5	8	calm
6	8	calm
7	8	calm
8	8	calm
9	8	calm
10	8	calm
11	8	calm
12	8	calm
13	8	calm
14	8	calm
15	8	calm
16	8	calm
17	8	calm
18	8	calm
19	8	calm
20	8	calm
21	8	calm
22	8	calm
23	8	calm
24	8	calm
25	8	calm
26	8	calm
27	8	calm
28	8	calm
29	8	calm
30	8	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 6:01 AM to 5:14 AM, and sunset from 6:27 PM to 6:59 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	12.7	12.7	12.8	12.8	12.8	12.9	12.9	13.0	13.0	13.1	13.1	13.2	13.2	13.3	13.3	13.4	13.4	13.4	13.5	13.5	13.6	13.6	13.7	13.7	13.7
Sunrise (AM)	6:01	6:00	5:58	5:56	5:54	5:53	5:51	5:49	5:48	5:46	5:44	5:42	5:41	5:39	5:37	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
Sunset (PM)	6:27	6:28	6:29	6:30	6:31	6:32	6:33	6:34	6:35	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	6:56	6:57	6:58	6:59

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.4	6:01	6:27
2	12.5	6:00	6:28
3	12.5	5:58	6:29
4	12.6	5:56	6:30
5	12.6	5:54	6:31
6	12.7	5:53	6:32
7	12.7	5:51	6:33
8	12.8	5:49	6:34
9	12.8	5:48	6:35
10	12.8	5:46	6:37
11	12.9	5:44	6:38
12	12.9	5:42	6:39
13	13.0	5:41	6:40
14	13.0	5:39	6:41
15	13.1	5:37	6:42
16	13.1	5:36	6:43
17	13.2	5:34	6:44
18	13.2	5:33	6:45
19	13.3	5:31	6:47
20	13.3	5:29	6:48
21	13.4	5:28	6:49
22	13.4	5:26	6:50
23	13.4	5:25	6:51
24	13.5	5:23	6:52
25	13.5	5:22	6:53
26	13.6	5:20	6:54
27	13.6	5:19	6:56
28	13.7	5:17	6:57
29	13.7	5:16	6:58
30	13.7	5:14	6:59

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.33 kWh/m².

For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 7.08 kWh/m² in July across the year — April's 5.33 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)	4.9	4.9	5.0	5.0	5.0	5.1	5.1	5.1	5.2	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	5.8
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	4.9	Bright
2	4.9	Bright
3	5.0	Bright
4	5.0	Bright
5	5.0	Bright
6	5.1	Bright
7	5.1	Bright
8	5.1	Bright
9	5.2	Bright
10	5.2	Bright
11	5.2	Bright
12	5.2	Bright
13	5.3	Bright
14	5.3	Bright
15	5.3	Bright
16	5.3	Bright
17	5.4	Bright
18	5.4	Bright
19	5.4	Bright
20	5.5	Bright
21	5.5	Bright
22	5.5	Bright
23	5.5	Bright
24	5.6	Bright
25	5.6	Bright
26	5.6	Bright
27	5.7	Bright
28	5.7	Bright
29	5.7	Bright
30	5.8	Bright

Planning a trip in April

Is April a good time to visit Grottaferrata?

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

5.4

Sightseeing

7th-best month of the year

1.7

Beach & pool

7th-best month of the year

April is a reasonable time to visit Grottaferrata for sightseeing.

What to pack for Grottaferrata in April

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

In April, Grottaferrata sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Grottaferrata in April

The nearest coast averages about 15°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 30 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 31 to Nov 1 — about 5.1 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	15	18	22	25	26	24	21	19	16
Comfort	Bracing	Bracing	Bracing	Cool	Cool	Refreshing	Warm	Warm	Refreshing	Refreshing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	15	Bracing
Feb	14	Bracing
Mar	14	Bracing
Apr	15	Cool
May	18	Cool
Jun	22	Refreshing
Jul	25	Warm
Aug	26	Warm
Sep	24	Refreshing
Oct	21	Refreshing
Nov	19	Cool
Dec	16	Cool

UV index in Grottaferrata 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 Grottaferrata 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	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	1	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

Air quality in Grottaferrata 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 Grottaferrata is worst in April — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	15	15	17	17	15	14	12	13	11	12	12	13
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Moderate	Good	Moderate	Good	Moderate

	PM2.5 (µg/m³)	Level
Jan	15	Moderate
Feb	15	Moderate
Mar	17	Moderate
Apr	17	Moderate
May	15	Moderate
Jun	14	Moderate
Jul	12	Good
Aug	13	Moderate
Sep	11	Good
Oct	12	Moderate
Nov	12	Good
Dec	13	Moderate

Location & terrain

Where is Grottaferrata?

Grottaferrata sits at 41.8°N, 12.7°E, 320 m above sea level, in Italy. The nearest listed city is Marino, 2.0 km away.

Topography around Grottaferrata

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

Within 3 km, the terrain around Grottaferrata has significant variations in elevation — a maximum elevation change of 461 m around an average of 343 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 937 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,441 m.

The land around Grottaferrata is covered by trees (68%) within 3 km, trees (47%) within 16 km, and trees (46%) and water (26%) within 80 km.

3 km

461 m

trees 68%

16 km

937 m

trees 47%

80 km

2,441 m

trees 46%

treesshrubsgrasslandcroplandartificial surfaceswater

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

April weather nearby: Marino 2.0 km · Frascati 3.0 km · Rocca di Papa 3.0 km · Ciampino 6.0 km · Albano Laziale 7.0 km · Ariccia 7.0 km · Giardinetti-Tor Vergata 9.0 km · Genzano di Roma 9.0 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 Grottaferrata (41.7866°, 12.6714°, elevation 320 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).

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

	Clearer (%)	Cloudier (%)
1	55	45
2	55	45
3	55	45
4	55	45
5	56	44
6	56	44
7	56	44
8	56	44
9	56	44
10	56	44
11	56	44
12	56	44
13	56	44
14	56	44
15	57	43
16	57	43
17	57	43
18	57	43
19	56	44
20	56	44
21	56	44
22	55	45
23	55	45
24	55	45
25	55	45
26	55	45
27	55	45
28	55	45
29	55	45
30	55	45

	Rain chance (%)
1	38
2	38
3	39
4	39
5	39
6	39
7	40
8	40
9	41
10	41
11	42
12	42
13	43
14	43
15	43
16	43
17	43
18	43
19	43
20	43
21	43
22	44
23	44
24	44
25	44
26	44
27	44
28	44
29	44
30	44

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	98	2
19	98	2
20	98	2
21	97	3
22	97	3
23	96	4
24	95	5
25	94	6
26	93	7
27	92	8
28	90	10
29	89	11
30	87	13

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

	Clearer (%)	Cloudier (%)
1	55	45
2	55	45
3	55	45
4	55	45
5	56	44
6	56	44
7	56	44
8	56	44
9	56	44
10	56	44
11	56	44
12	56	44
13	56	44
14	56	44
15	57	43
16	57	43
17	57	43
18	57	43
19	56	44
20	56	44
21	56	44
22	55	45
23	55	45
24	55	45
25	55	45
26	55	45
27	55	45
28	55	45
29	55	45
30	55	45

	Rain chance (%)
1	38
2	38
3	39
4	39
5	39
6	39
7	40
8	40
9	41
10	41
11	42
12	42
13	43
14	43
15	43
16	43
17	43
18	43
19	43
20	43
21	43
22	44
23	44
24	44
25	44
26	44
27	44
28	44
29	44
30	44

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	98	2
19	98	2
20	98	2
21	97	3
22	97	3
23	96	4
24	95	5
25	94	6
26	93	7
27	92	8
28	90	10
29	89	11
30	87	13

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

	Clearer (%)	Cloudier (%)
1	55	45
2	55	45
3	55	45
4	55	45
5	56	44
6	56	44
7	56	44
8	56	44
9	56	44
10	56	44
11	56	44
12	56	44
13	56	44
14	56	44
15	57	43
16	57	43
17	57	43
18	57	43
19	56	44
20	56	44
21	56	44
22	55	45
23	55	45
24	55	45
25	55	45
26	55	45
27	55	45
28	55	45
29	55	45
30	55	45

	Rain chance (%)
1	38
2	38
3	39
4	39
5	39
6	39
7	40
8	40
9	41
10	41
11	42
12	42
13	43
14	43
15	43
16	43
17	43
18	43
19	43
20	43
21	43
22	44
23	44
24	44
25	44
26	44
27	44
28	44
29	44
30	44

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	98	2
19	98	2
20	98	2
21	97	3
22	97	3
23	96	4
24	95	5
25	94	6
26	93	7
27	92	8
28	90	10
29	89	11
30	87	13