When to go · Portsmouth
Portsmouth, month by month
The best months for Portsmouth: Feb, Mar, Apr, May. Months to avoid: Jul, Aug, Sep, Oct.
Month by month
- JanuaryGoodOutside the best window (Feb–May). Across Dominica: Showers in the hills; good diving and whales start.29 °C (84 °F) / 22 °C (72 °F), 14 rain days84 °F (29 °C) / 72 °F (22 °C), 14 rain daysCrowds: Medium
- FebruaryGreatInside Portsmouth's best window: Feb–May.29 °C (84 °F) / 22 °C (72 °F), 11 rain days84 °F (29 °C) / 72 °F (22 °C), 11 rain daysCrowds: Medium · 1 festival or holiday
- MarchGreatInside Portsmouth's best window: Feb–May.30 °C (86 °F) / 22 °C (72 °F), 10 rain days86 °F (30 °C) / 72 °F (22 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- AprilGreatInside Portsmouth's best window: Feb–May.30 °C (86 °F) / 23 °C (73 °F), 10 rain days86 °F (30 °C) / 73 °F (23 °C), 10 rain daysCrowds: Medium
- MayGreatInside Portsmouth's best window: Feb–May.31 °C (88 °F) / 24 °C (75 °F), 12 rain days88 °F (31 °C) / 75 °F (24 °C), 12 rain daysCrowds: Low
- JuneMixedOutside the best window (Feb–May). Across Dominica: Rainy season begins; hurricane season opens.31 °C (88 °F) / 24 °C (75 °F), 14 rain days88 °F (31 °C) / 75 °F (24 °C), 14 rain daysCrowds: Low
- JulyAvoidListed as a month to avoid: Jul–Oct (hurricane season; check forecasts and local advisories).31 °C (88 °F) / 24 °C (75 °F), 17 rain days88 °F (31 °C) / 75 °F (24 °C), 17 rain daysCrowds: Low
- AugustAvoidListed as a month to avoid: Jul–Oct (hurricane season; check forecasts and local advisories).31 °C (88 °F) / 24 °C (75 °F), 17 rain days88 °F (31 °C) / 75 °F (24 °C), 17 rain daysCrowds: Low
- SeptemberAvoidListed as a month to avoid: Jul–Oct (hurricane season; check forecasts and local advisories).31 °C (88 °F) / 24 °C (75 °F), 16 rain days88 °F (31 °C) / 75 °F (24 °C), 16 rain daysCrowds: Low
- OctoberAvoidListed as a month to avoid: Jul–Oct (hurricane season; check forecasts and local advisories).31 °C (88 °F) / 23 °C (73 °F), 17 rain days88 °F (31 °C) / 73 °F (23 °C), 17 rain daysCrowds: High · 1 festival or holiday
- NovemberMixedOutside the best window (Feb–May). Across Dominica: Independence on 3 November; still rainy.30 °C (86 °F) / 23 °C (73 °F), 16 rain days86 °F (30 °C) / 73 °F (23 °C), 16 rain daysCrowds: Medium
- DecemberGoodOutside the best window (Feb–May). Across Dominica: Wet start, drier by Christmas.29 °C (84 °F) / 22 °C (72 °F), 15 rain days84 °F (29 °C) / 72 °F (22 °C), 15 rain daysCrowds: Medium
Compare two months
Weather, crowds and prices for any two months in Portsmouth, side by side.
Verdict
Feb: Great
Mar: Great
Daytime high
Feb: 29 °C (84 °F)84 °F (29 °C)
Mar: 30 °C (86 °F)86 °F (30 °C)
Night low
Feb: 22 °C (72 °F)72 °F (22 °C)
Mar: 22 °C (72 °F)72 °F (22 °C)
Rain days
Feb: 11
Mar: 10 (better)
Crowds
Feb: Medium
Mar: Medium
Prices
Feb: Medium
Mar: Medium
Festivals listed
Feb: 1
Mar: 1
February: Inside Portsmouth's best window: Feb–May.
March: Inside Portsmouth's best window: Feb–May.
Portsmouth: figures are long-term averages from this guide, not a forecast.