Climate of Rome
Rome and its metropolitan area has a Mediterranean climate (Köppen climate classification: Csa),[1] with cool winters and warm to hot summers. According to Troll-Paffen climate classification, Rome has a warm-temperate subtropical climate (Warmgemäßigt-subtropisches Zonenklima).[2] According to Siegmund/Frankenberg climate classification, Rome has a subtropical climate.[3]
Daylight
Rome enjoys one of the most optimal number of hours of daylight in Europe. Days in winter are not as short as in the northern part of the continent, the average hours of daylight in December, January and February is 10 hours[4] (for comparison: London[5] or Moscow[6] or Warsaw[7] - about 8 hours).
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| hours of light | 10 | 11 | 12 | 13 | 15 | 15 | 15 | 14 | 12 | 11 | 10 | 9 |
| hours of Twilight/Night | 14 | 13 | 12 | 11 | 9 | 9 | 9 | 10 | 12 | 13 | 14 | 15 |
Sunshine
Sunshine duration is about 2,500 hours per year, from 111 - average 3.6 hours of sunshine per day in December to 332 - average 10.7 hours of sunshine per day in July.[8] This is the middling value for the southern half of Europe because in this part of the continent, sunshine duration varies from about 2,000 to about 3,000 hours per year. However, this is 60% larger value than in northern half of Europe, where sunshine duration is around 1500 hours per year. In winter Rome has about three times more sun duration than in the northern half of Europe.
| Climate data for Rome | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean monthly sunshine hours | 120.9 | 132.8 | 167.4 | 201.0 | 263.5 | 285.0 | 331.7 | 297.6 | 237.0 | 195.3 | 129.0 | 111.6 | 2,473 |
| Mean daily sunshine hours | 3.9 | 4.7 | 5.4 | 6.7 | 8.5 | 9.5 | 10.7 | 9.6 | 7.9 | 6.3 | 4.3 | 3.6 | 6.8 |
| Percent possible sunshine | 46 | 45 | 57 | 53 | 60 | 63 | 73 | 73 | 66 | 59 | 43 | 37 | 57 |
| Source: Servizio Meteorologico (mean daily and monthly sunshine hours),[8] climatemps.com (percent possible sunshine)[9] | |||||||||||||
Sea temperature
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.2 °C (57.6 °F) | 13.6 °C (56.5 °F) | 14.0 °C (57.2 °F) | 15.3 °C (59.5 °F) | 18.7 °C (65.7 °F) | 22.7 °C (72.9 °F) | 24.4 °C (75.9 °F) | 24.6 °C (76.3 °F) | 23.5 °C (74.3 °F) | 20.7 °C (69.3 °F) | 18.6 °C (65.5 °F) | 15.8 °C (60.4 °F) | 18.9 °C (66.0 °F) |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.5 °C (58.1 °F) | 13.9 °C (57.0 °F) | 14.1 °C (57.4 °F) | 15.5 °C (59.9 °F) | 18.8 °C (65.8 °F) | 22.9 °C (73.2 °F) | 24.7 °C (76.5 °F) | 25.0 °C (77.0 °F) | 24.0 °C (75.2 °F) | 21.1 °C (70.0 °F) | 19.0 °C (66.2 °F) | 16.1 °C (61.0 °F) | 19.1 °C (66.4 °F) |
Climatic data
| Climate data for Rome | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average high °C (°F) | 11.5 (52.7) |
12.5 (54.5) |
15.3 (59.5) |
19.1 (66.4) |
24.1 (75.4) |
28.5 (83.3) |
31.3 (88.3) |
31.5 (88.7) |
26.9 (80.4) |
22.3 (72.1) |
17.0 (62.6) |
12.7 (54.9) |
21.1 (70) |
| Daily mean °C (°F) | 7.2 (45) |
7.6 (45.7) |
10.4 (50.7) |
13.9 (57) |
18.5 (65.3) |
22.8 (73) |
25.4 (77.7) |
25.3 (77.5) |
21.1 (70) |
17.0 (62.6) |
12.5 (54.5) |
8.6 (47.5) |
15.9 (60.6) |
| Average low °C (°F) | 3.9 (39) |
3.7 (38.7) |
6.3 (43.3) |
9.3 (48.7) |
13.2 (55.8) |
17.1 (62.8) |
19.6 (67.3) |
19.7 (67.5) |
16.2 (61.2) |
12.7 (54.9) |
8.9 (48) |
5.4 (41.7) |
11.3 (52.3) |
| Mean monthly sunshine hours | 127.1 | 148.4 | 179.8 | 210.0 | 272.8 | 300.0 | 350.3 | 316.2 | 237.0 | 204.6 | 138.0 | 120.9 | 2,605 |
| Source: climatebase.ru[12] (2000-2011) | |||||||||||||
| Climate data for Rome Ciampino Airport (altitude: 105 m sl, 13 km south-east from Colosseum satellite view) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 18.9 (66) |
21.0 (69.8) |
26.3 (79.3) |
25.8 (78.4) |
31.4 (88.5) |
34.6 (94.3) |
38.6 (101.5) |
37.2 (99) |
37.6 (99.7) |
33.6 (92.5) |
26.5 (79.7) |
20.9 (69.6) |
38.6 (101.5) |
| Average high °C (°F) | 11.9 (53.4) |
13.0 (55.4) |
15.2 (59.4) |
17.7 (63.9) |
22.8 (73) |
26.9 (80.4) |
30.3 (86.5) |
30.6 (87.1) |
26.5 (79.7) |
21.4 (70.5) |
15.9 (60.6) |
12.6 (54.7) |
20.4 (68.7) |
| Daily mean °C (°F) | 7.5 (45.5) |
8.2 (46.8) |
10.2 (50.4) |
12.6 (54.7) |
17.2 (63) |
21.1 (70) |
24.1 (75.4) |
24.5 (76.1) |
20.8 (69.4) |
16.4 (61.5) |
11.4 (52.5) |
8.4 (47.1) |
15.2 (59.4) |
| Average low °C (°F) | 3.1 (37.6) |
3.5 (38.3) |
5.2 (41.4) |
7.5 (45.5) |
11.6 (52.9) |
15.3 (59.5) |
18.0 (64.4) |
18.3 (64.9) |
15.2 (59.4) |
11.3 (52.3) |
6.9 (44.4) |
4.2 (39.6) |
10.0 (50) |
| Record low °C (°F) | −7.8 (18) |
−4.0 (24.8) |
−4.6 (23.7) |
−0.9 (30.4) |
3.0 (37.4) |
8.8 (47.8) |
10.9 (51.6) |
10.5 (50.9) |
7.8 (46) |
1.9 (35.4) |
−4.2 (24.4) |
−4.7 (23.5) |
−7.8 (18) |
| Average precipitation mm (inches) | 66.9 (2.634) |
73.3 (2.886) |
57.8 (2.276) |
80.5 (3.169) |
52.8 (2.079) |
34.0 (1.339) |
19.2 (0.756) |
36.8 (1.449) |
73.3 (2.886) |
113.3 (4.461) |
115.4 (4.543) |
81.0 (3.189) |
804.3 (31.665) |
| Average precipitation days (≥ 1 mm) | 7.0 | 7.6 | 7.6 | 9.2 | 6.2 | 4.3 | 2.1 | 3.3 | 6.2 | 8.2 | 9.7 | 8.0 | 79.4 |
| Mean monthly sunshine hours | 120.9 | 132.8 | 167.4 | 201.0 | 263.5 | 285.0 | 331.7 | 297.6 | 237.0 | 195.3 | 129.0 | 111.6 | 2,472.8 |
| Source: Servizio Meteorologico,[8] data of sunshine hours[13] (1971–2000) | |||||||||||||
| Climate data for Rome Fiumicino Airport (altitude: 15 m sl, 23 km west from Colosseum, near sea satellite view) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 18.9 (66) |
21.0 (69.8) |
26.3 (79.3) |
25.8 (78.4) |
31.4 (88.5) |
34.6 (94.3) |
38.6 (101.5) |
37.2 (99) |
37.6 (99.7) |
33.6 (92.5) |
26.5 (79.7) |
20.9 (69.6) |
38.6 (101.5) |
| Average high °C (°F) | 13.4 (56.1) |
13.9 (57) |
15.6 (60.1) |
17.8 (64) |
22.2 (72) |
25.9 (78.6) |
28.8 (83.8) |
29.4 (84.9) |
26.2 (79.2) |
22.1 (71.8) |
17.2 (63) |
14.2 (57.6) |
20.6 (69.1) |
| Daily mean °C (°F) | 8.6 (47.5) |
9.0 (48.2) |
10.7 (51.3) |
12.9 (55.2) |
17.1 (62.8) |
20.8 (69.4) |
23.6 (74.5) |
24.1 (75.4) |
21.1 (70) |
17.1 (62.8) |
12.4 (54.3) |
9.6 (49.3) |
15.6 (60.1) |
| Average low °C (°F) | 3.8 (38.8) |
4.1 (39.4) |
5.7 (42.3) |
8.0 (46.4) |
11.9 (53.4) |
15.6 (60.1) |
18.3 (64.9) |
18.8 (65.8) |
16.0 (60.8) |
12.1 (53.8) |
7.7 (45.9) |
5.0 (41) |
10.6 (51.1) |
| Record low °C (°F) | −7.8 (18) |
−4.0 (24.8) |
−4.6 (23.7) |
−0.9 (30.4) |
3.0 (37.4) |
8.8 (47.8) |
10.9 (51.6) |
10.5 (50.9) |
7.8 (46) |
1.9 (35.4) |
−4.2 (24.4) |
−4.7 (23.5) |
−7.8 (18) |
| Average precipitation mm (inches) | 66.8 (2.63) |
73.3 (2.886) |
56.9 (2.24) |
68.2 (2.685) |
42.2 (1.661) |
19.4 (0.764) |
14.8 (0.583) |
30.1 (1.185) |
69.7 (2.744) |
114.2 (4.496) |
102.6 (4.039) |
82.5 (3.248) |
740.7 (29.161) |
| Average precipitation days (≥ 1 mm) | 8.2 | 8.0 | 7.1 | 7.9 | 4.2 | 2.8 | 1.5 | 2.7 | 5.1 | 7.2 | 9.2 | 7.9 | 71.8 |
| Source: Servizio Meteorologico[14] (1971–2000) | |||||||||||||
| Climate data for Rome Urbe Airport (altitude: 24 m sl, 7 km north from Colosseum satellite view) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 20.2 (68.4) |
23.6 (74.5) |
27.0 (80.6) |
28.3 (82.9) |
33.1 (91.6) |
36.8 (98.2) |
40.0 (104) |
39.6 (103.3) |
37.6 (99.7) |
31.4 (88.5) |
26.0 (78.8) |
22.8 (73) |
40.0 (104) |
| Average high °C (°F) | 12.6 (54.7) |
14.0 (57.2) |
16.5 (61.7) |
18.9 (66) |
23.9 (75) |
28.1 (82.6) |
31.5 (88.7) |
31.7 (89.1) |
27.5 (81.5) |
22.4 (72.3) |
16.5 (61.7) |
13.2 (55.8) |
21.4 (70.5) |
| Daily mean °C (°F) | 7.4 (45.3) |
8.4 (47.1) |
10.4 (50.7) |
12.9 (55.2) |
17.3 (63.1) |
21.2 (70.2) |
24.2 (75.6) |
24.5 (76.1) |
20.9 (69.6) |
16.4 (61.5) |
11.2 (52.2) |
8.2 (46.8) |
15.3 (59.5) |
| Average low °C (°F) | 2.1 (35.8) |
2.7 (36.9) |
4.3 (39.7) |
6.8 (44.2) |
10.8 (51.4) |
14.3 (57.7) |
16.9 (62.4) |
17.3 (63.1) |
14.3 (57.7) |
10.5 (50.9) |
5.8 (42.4) |
3.1 (37.6) |
9.1 (48.4) |
| Record low °C (°F) | −9.8 (14.4) |
−6.0 (21.2) |
−9.0 (15.8) |
−2.5 (27.5) |
3.7 (38.7) |
6.2 (43.2) |
9.8 (49.6) |
8.6 (47.5) |
5.4 (41.7) |
0.0 (32) |
−7.2 (19) |
−5.4 (22.3) |
−9.8 (14.4) |
| Average precipitation mm (inches) | 69.5 (2.736) |
75.8 (2.984) |
59.0 (2.323) |
76.2 (3) |
49.1 (1.933) |
40.7 (1.602) |
21.0 (0.827) |
34.1 (1.343) |
71.8 (2.827) |
107.0 (4.213) |
109.9 (4.327) |
84.4 (3.323) |
798.5 (31.437) |
| Average precipitation days (≥ 1 mm) | 7.6 | 7.4 | 7.8 | 8.8 | 5.6 | 4.1 | 2.3 | 3.2 | 5.6 | 7.7 | 9.1 | 8.5 | 77.7 |
| Source: Servizio Meteorologico[15] (1971–2000) | |||||||||||||
See also
References
- ↑ "World Map of Köppen−Geiger Climate Classification".
- ↑ Climatic map by Istituto Geografico De Agostini, according to Troll-Paffen climate classification
- ↑ Die Klimatypen der Erde - Pädagogische Hochschule in Heidelberg
- 1 2 Rome Climate - weather2travel.com
- ↑ http://www.weather2travel.com/climate-guides/united-kingdom/london.php
- ↑ http://www.weather2travel.com/climate-guides/russia-europe/moscow.php
- ↑ http://www.weather2travel.com/climate-guides/poland/warsaw.php
- 1 2 3 Tabelle climatiche 1971–2000 della stazione meteorologica di Roma-Ciampino Ponente dall'Atlante Climatico 1971–2000 – Servizio Meteorologico dell'Aeronautica Militare
- ↑ Sunshine & Daylight Hours in Rome, Italy - climatemps.com
- ↑ Monthly Civitavecchia water temperature chart - seatemperature.org
- ↑ Monthly Tor San Lorenzo water temperature chart - seatemperature.org
- ↑ "Рим,Италия #16239".
- ↑ "Visualizzazione tabella CLINO della stazione / CLINO Averages Listed for the station Roma Ciampino". Retrieved 13 June 2011.
- ↑ Tabelle climatiche 1971–2000 della stazione meteorologica di Roma-Fiumicino Ponente dall'Atlante Climatico 1971–2000 – Servizio Meteorologico dell'Aeronautica Militare
- ↑ Tabelle climatiche 1971–2000 della stazione meteorologica di Roma-Urbe Ponente dall'Atlante Climatico 1971–2000 – Servizio Meteorologico dell'Aeronautica Militare
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