Weather in Rome in March
Italy · 20-year averages, March
A good month. March is a solid month to be in Rome. Highs average 16.7 °C, lows 7.1 °C, and rain falls on 10 days — nothing in the month is working against you.
March ranks 6 of 12 in Rome: past the worst of the year but short of April, which is the month to book if the dates are open.
Rain on 10 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 16.7 °C days and 7.1 °C nights; the spread matters more here than any single number.
What the averages hide
The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest March day reached 25.3 °C and the coldest night fell to -3 °C, and the wettest single day dropped 51 mm — roughly 74% of the month's rain in one day.
March is moderately variable: 5 mm in the driest year against 166 mm in the wettest, around an average of 69 mm. Roughly two Marchs in three land near that average, and the third does something else entirely.
Wind is light at 9.2 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 76%, high enough to notice on the warm days without dominating them.
How March sits in the year
The month is on the way up: 3.2 °C warmer than February, and April adds another 3.7 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.
Daylight in March
11.9 hours of daylight, gaining 1.4 hours across the month. That is between Rome's extremes of 15.2 and 9.2 hours, so days are long enough not to constrain the plan.
Sea temperature
The sea sits at about 14.2 °C in March — cold — a quick dip rather than a swim, and a wetsuit if you are in for longer. The sea peaks at 25.8 °C in August and bottoms out at 14 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.
How busy it gets
Shoulder. The value months — prices ease off and you get the place closer to itself. March is the value pick for Rome: it scores within 12 points of April without carrying April's prices.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
March in Rome versus nearby
If Rome is one option among several, the nearby comparison is worth making. Naples is close enough to be a coin toss — within a degree on temperature, 1 day more rain. Positano is the weaker option in March — 2.5 °C cooler, 1 day more rain.
So: March works, with April the better month by 12 points if the dates can move. If they cannot, nothing here should stop you booking.
Every month in Rome
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 12.6 | 4.7 | 10 | 73 | 81 | 9.4 | 14.7 | 58 |
| February | 13.5 | 4.9 | 10 | 77 | 79 | 10.6 | 14 | 60 |
| March | 16.7 | 7.1 | 10 | 69 | 76 | 11.9 | 14.2 | 71 |
| April | 20.4 | 10.1 | 9 | 56 | 72 | 13.3 | 15.5 | 83 |
| May | 24.6 | 14 | 10 | 57 | 68 | 14.5 | 18.4 | 83 |
| June | 29.6 | 18.3 | 6 | 34 | 62 | 15.2 | 22.3 | 77 |
| July | 33.2 | 21.4 | 4 | 26 | 55 | 15 | 25.2 | 64 |
| August | 33.5 | 21.8 | 4 | 26 | 55 | 13.9 | 25.8 | 63 |
| September | 28.2 | 17.8 | 9 | 70 | 64 | 12.6 | 24.2 | 77 |
| October | 23.6 | 14.1 | 10 | 82 | 73 | 11.2 | 21.7 | 80 |
| November | 18.1 | 10.1 | 13 | 114 | 80 | 9.9 | 19 | 68 |
| December | 13.7 | 5.9 | 11 | 91 | 81 | 9.2 | 16.3 | 58 |
See all twelve months in Rome, or where else to go in March.
Planning the rest of the trip
- Flight time to Rome how long you are actually in the air
- Rome time zone and the difference from home
- Days until your trip count down to the departure date