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Climate guideThirty-year normals for Rome
Rome climate by month
Hot-summer Mediterranean · CsaBest Apr–May · Oct
Annual mean16°day and night
Seasonal swing18°warmest vs coolest
Precipitation772 mm121 wet days a year
41.89° N, 12.51° EElevation 20 mUTC+2 · Central European Summer Time
When to goRome · weather score
Best timeApr–May · Oct
October: high / low23° / 12°
iSummary
What the weather is like
Rome has a hot-summer Mediterranean climate (Köppen Csa): dry, sunny summers and mild, wetter winters.
The warmest month is August, when afternoons average 33° and nights 19°. January is the coolest month, with highs of 13° and lows of 3°. The difference between the warmest and the coolest month is about 18°.
About 772 mm of precipitation falls in an average year. November is the wettest month (110 mm, 14 wet days) and July the driest (23 mm, 5 wet days). Cloud cover ranges from 8% in July to 34% in December.
Year in figures
- Hottest afternoons
- 33° · August
- Coldest nights
- 3° · January
- Wettest month
- November
- Driest month
- July
- Clearest skies
- July · 8% cloud
- Longest day
- 15 h 12 min
- Shortest day
- 9 h 09 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 13° | 14° | 17° | 20° | 24° | 29° | 32° | 33° | 28° | 23° | 18° | 14° |
| Average low | 3° | 3° | 6° | 8° | 12° | 16° | 19° | 19° | 16° | 12° | 8° | 4° |
| Precipitation | 64 mm | 65 mm | 56 mm | 74 mm | 52 mm | 32 mm | 23 mm | 29 mm | 70 mm | 101 mm | 110 mm | 96 mm |
| Wet days (≥1 mm) | 12.6 | 11.2 | 10.6 | 10.3 | 11.1 | 7.5 | 5.2 | 5.5 | 10.2 | 10.2 | 13.7 | 12.7 |
| Cloud cover | 32% | 30% | 31% | 31% | 26% | 17% | 8% | 10% | 21% | 29% | 33% | 34% |
| Daylight | 9h 28 | 10h 36 | 11h 53 | 13h 20 | 14h 32 | 15h 12 | 14h 56 | 13h 54 | 12h 31 | 11h 08 | 9h 51 | 9h 09 |
| Saharan dust haze | – | – | – | ● | ● | ● | – | – | – | – | – | – |
| Month score | 42 | 52 | 68 | 75 | 74 | 65 | 58 | 56 | 65 | 76 | 64 | 45 |
Dust haze, monthly average 2015–2024: ● occasional, ●● frequent, ●●● very frequent
ivMonth by month
Rome in every month
January42
13° / 3°
64 mm · 12.6 wet days
February52
14° / 3°
65 mm · 11.2 wet days
March68
17° / 6°
56 mm · 10.6 wet days
April75
20° / 8°
74 mm · 10.3 wet days
May74
24° / 12°
52 mm · 11.1 wet days
June65
29° / 16°
32 mm · 7.5 wet days
July58
32° / 19°
23 mm · 5.2 wet days
August56
33° / 19°
29 mm · 5.5 wet days
September65
28° / 16°
70 mm · 10.2 wet days
October76
23° / 12°
101 mm · 10.2 wet days
November64
18° / 8°
110 mm · 13.7 wet days
December45
14° / 4°
96 mm · 12.7 wet days