May · Italy
Best time to visit Colosseum in May Weather, crowds & prices
Weather in Colosseum 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 Colosseum 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’s arena and Forum stones are easiest under the mild April-June light.
May is one of the strongest months in Colosseum (3rd)
May averages 18°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 83 mm, so plan one flexible day in three; you still get about 28 days with 6+ hours of sunshine and 14.6 hours of daylight.
A 8.6/10 puts this among the year's best months in Colosseum (3rd of 12); only April scores higher, at 8.8/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Colosseum in May?
- In May, Colosseum 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 Colosseum?
- 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 Colosseum 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.
Curated in Colosseum
Tickets & experiences
Things to do in Colosseum
Colosseum, Italy. Live activities and tours from GetYourGuide, matched to this destination.