May · Italy
Best time to visit Rome in May Weather, crowds & prices
Weather in Rome in May
Average temperature 18°C, 83 mm of rain, about 28 days with 6+ hours of sunshine and 71% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.6/10
Ranked #3 of 12 months
- Avg temp
- 18°C
- Rainfall
- 83 mm
- Humidity
- 71%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Rome scores 8.6/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 18°C, 83 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
Rome is most generous when the day unfolds at two speeds: mornings among ruins and churches, then slow evenings in piazzas, trattorias, and lantern-lit walks once the heat lifts.
May in Rome — one of the year's strongest windows (3rd)
Temperatures hover around 18°C (65°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 83 mm of rain this month — a flexible day or two helps — with about 28 days with 6+ hours of sunshine and 14.6 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Rome at 8.6/10 (3rd of 12), just behind April at 8.8/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Rome in May?
- In May, Rome averages 18°C, 83 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 8.6/10.
- Is May a good time to visit Rome?
- May earns a 8.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Rome in May?
- Expect about 83 mm of rain in May. Average humidity is 71% and there are about 28 days with 6+ hours of sunshine.
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