January
OK
4.7/10
12°C / 4°C · 11 rain days · 6.9 h sun
Days reach 12°C and nights drop to 4°C, with rain falling on about 11 days. This is a quiet month, scoring 4.7 (ok), good for shorter queues but cool, wet walking weather. Epiphany falls on 6 January, and the year opens with the Solemnity of Mary on 1 January.
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February
Good
6.2/10
14°C / 5°C · 10 rain days · 8.1 h sun
Highs climb slightly to 14°C with about 10 rain days, and sun hours start to pick up. The month scores 6.2 (good), a solid shoulder-season choice before spring crowds arrive. The Anniversary of the foundation of Vatican City falls on 11 February.
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March
Good
7.0/10
16°C / 6°C · 11 rain days · 9.1 h sun
Temperatures reach 16°C by day and 6°C overnight, with rain on roughly 10 days and 9 hours of sun. Scoring 7 (good), March is a reliable pick as spring weather settles in. Saint Joseph's Day on 19 March and the Pope's election anniversary on 13 March add local interest.
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April
Best time
8.1/10
19°C / 9°C · 9 rain days · 10.8 h sun
Highs average 19°C with cooler nights near 9°C, and rain falls on about 9 days with nearly 11 hours of sun. April scores 8.1, the best month of the year for comfortable sightseeing weather. Easter Monday on 6 April and Saint George's feast on 23 April bring extra ceremony to the calendar.
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May
Best time
7.6/10
23°C / 13°C · 12 rain days · 11.6 h sun
Days warm to 23°C with nights around 13°C, rain on about 12 days, and over 11 hours of sunshine. May scores 7.6 (best), offering warm, bright conditions for exploring outdoor sites. Saint Joseph the Worker is marked on 1 May.
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June
Good
7.3/10
29°C / 18°C · 6 rain days · 13.2 h sun
Summer heat arrives with highs of 29°C and lows of 18°C, while rain drops sharply to under 6 days and sun hours hit 13.2. June scores 7.3 (good), though midday heat can be tough for long walks. Saint Peter and Saint Paul, a major feast for Rome and the Vatican, falls on 29 June.
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July
OK
4.3/10
33°C / 21°C · 4 rain days · 13.7 h sun
This is the hottest month, with highs of 33°C and lows of 21°C, though rain is rare at under 4 days. July scores only 4.3 (ok) because the heat makes outdoor touring uncomfortable, even with plenty of sun at nearly 14 hours a day.
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August
OK
4.3/10
32°C / 21°C · 5 rain days · 12.7 h sun
Heat stays intense with highs of 32°C and lows of 21°C, and rain remains light at about 5 days. August scores 4.3 (ok) for the same reason as July: strong sun and high temperatures make sightseeing demanding. Assumption Day on 15 August is a major holiday, and the city can feel emptier as locals leave town.
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September
Best time
7.5/10
27°C / 17°C · 10 rain days · 10.8 h sun
Highs ease to 27°C with nights near 17°C, though rain picks up again to about 10 days and 109mm. September scores 7.5 (best), balancing warmth with calmer crowds after the summer peak. The Nativity of Mary is celebrated on 8 September.
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October
Best time
7.7/10
22°C / 13°C · 12 rain days · 8.6 h sun
Days cool to 22°C with lows of 13°C, rain increases to nearly 12 days and 123mm, and sun hours drop to 8.6. October scores 7.7 (best), the top-rated month alongside April for comfortable temperatures and manageable rainfall.
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November
Good
6.6/10
17°C / 9°C · 13 rain days · 6.9 h sun
This is the wettest month, with rain on about 13 days and 156mm total, while highs sit at 17°C and sun hours fall to 6.9. November still scores 6.6 (good), as mild temperatures offset the frequent rain. All Saints Day on 1 November is widely observed.
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December
OK
5.4/10
14°C / 5°C · 11 rain days · 6.7 h sun
Highs reach 14°C with lows near 5°C, rain falls on about 11 days, and sun hours are the year's lowest at 6.7. December scores 5.4 (ok), reflecting cool, grey conditions despite the festive calendar. Immaculate Conception on 8 December, Christmas Day on 25 December, and St. Stephen's Day on 26 December make this a busy holiday period.
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