When to go · Castelsardo
Castelsardo, month by month
The best months for Castelsardo: May, Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: December–February (cool, limited services).13 °C (55 °F) / 5 °C (41 °F), 9 rain days55 °F (13 °C) / 41 °F (5 °C), 9 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: December–February (cool, limited services).14 °C (57 °F) / 5 °C (41 °F), 8 rain days57 °F (14 °C) / 41 °F (5 °C), 8 rain daysCrowds: Medium
- MarchGoodOutside the best window (May–September). Across Italy: Spring starts in the south and Rome; Easter can fall late March — check the date; coastal hotels still reopening.16 °C (61 °F) / 7 °C (45 °F), 7 rain days61 °F (16 °C) / 45 °F (7 °C), 7 rain daysCrowds: Medium · 1 festival or holiday
- AprilGoodOutside the best window (May–September). Across Italy: Easter and 25 April make Rome and Florence busy; Venice's day-tripper fee starts on peak days; ideal walking weather.19 °C (66 °F) / 10 °C (50 °F), 6 rain days66 °F (19 °C) / 50 °F (10 °C), 6 rain daysCrowds: High · 1 festival or holiday
- MayGreatInside Castelsardo's best window: May–September.23 °C (73 °F) / 14 °C (57 °F), 5 rain days73 °F (23 °C) / 57 °F (14 °C), 5 rain daysCrowds: High
- JuneGreatInside Castelsardo's best window: May–September.27 °C (81 °F) / 18 °C (64 °F), 4 rain days81 °F (27 °C) / 64 °F (18 °C), 4 rain daysCrowds: High
- JulyGreatInside Castelsardo's best window: May–September.30 °C (86 °F) / 22 °C (72 °F), 3 rain days86 °F (30 °C) / 72 °F (22 °C), 3 rain daysCrowds: High
- AugustGreatInside Castelsardo's best window: May–September.30 °C (86 °F) / 22 °C (72 °F), 4 rain days86 °F (30 °C) / 72 °F (22 °C), 4 rain daysCrowds: High · 1 festival or holiday
- SeptemberGreatInside Castelsardo's best window: May–September.27 °C (81 °F) / 19 °C (66 °F), 5 rain days81 °F (27 °C) / 66 °F (19 °C), 5 rain daysCrowds: High
- OctoberGoodOutside the best window (May–September). Across Italy: Truffle and olive season, autumn colour in Tuscany and Piedmont; St Francis Day (4 Oct) is a national holiday from 2026 — check.23 °C (73 °F) / 15 °C (59 °F), 7 rain days73 °F (23 °C) / 59 °F (15 °C), 7 rain daysCrowds: Medium
- NovemberMixedOutside the best window (May–September). Across Italy: Wettest month in Rome and Florence; acqua alta risk in Venice; coastal resorts closed; cheap city breaks.18 °C (64 °F) / 10 °C (50 °F), 9 rain days64 °F (18 °C) / 50 °F (10 °C), 9 rain daysCrowds: Low
- DecemberAvoidListed as a month to avoid: December–February (cool, limited services).14 °C (57 °F) / 7 °C (45 °F), 10 rain days57 °F (14 °C) / 45 °F (7 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Castelsardo, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 23 °C (73 °F)73 °F (23 °C)
Jun: 27 °C (81 °F)81 °F (27 °C)
Night low
May: 14 °C (57 °F)57 °F (14 °C)
Jun: 18 °C (64 °F)64 °F (18 °C)
Rain days
May: 5
Jun: 4 (better)
Crowds
May: High
Jun: High
Prices
May: High
Jun: High
Festivals listed
May: 0
Jun: 0
May: Inside Castelsardo's best window: May–September.
June: Inside Castelsardo's best window: May–September.
Castelsardo: figures are long-term averages from this guide, not a forecast.