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When to go · Portsmouth

Portsmouth in January

Good month. Outside the best window (Feb–May). Across Dominica: Showers in the hills; good diving and whales start.

Key facts

Verdict
Good
Temperature
29°C (84°F) / 22°C (72°F)
average high / low
Rain days
14
Crowds
Medium
Dominica overall
Prices
Medium
Dominica overall

Verdict

GoodDominica month rating

Outside the best window (Feb–May). Across Dominica: Showers in the hills; good diving and whales start.

Is another month better than January?

January is rated good. These months rate higher:

Weather in January

Long-term averages
  • PortsmouthHighs around 29 °C (84 °F), lows around 22 °C (72 °F), rain on about 14 days
  • West coast (Roseau, Portsmouth), Dominica · Roseau, Soufrière, Mero, Portsmouthbest weather

    Leeward side, drier and hot (26–32 °C (79–90 °F)); calm sea for diving and whale watching.

Crowds and prices

Crowds · Dominica overall
Medium
Prices · Dominica overall
Medium

Dominica overall: Showers in the hills; good diving and whales start.

Compare two months

Weather, crowds and prices for any two months in Portsmouth, side by side.

  • Verdict

    Jan: Good

    Feb: Great (better)

  • Daytime high

    Jan: 29 °C (84 °F)

    Feb: 29 °C (84 °F)

  • Night low

    Jan: 22 °C (72 °F)

    Feb: 22 °C (72 °F)

  • Rain days

    Jan: 14

    Feb: 11 (better)

  • Crowds

    Jan: Medium

    Feb: Medium

  • Prices

    Jan: Medium

    Feb: Medium

  • Festivals listed

    Jan: 0

    Feb: 1

January: Outside the best window (Feb–May). Across Dominica: Showers in the hills; good diving and whales start.

February: Inside Portsmouth's best window: Feb–May.

Portsmouth: figures are long-term averages from this guide, not a forecast.

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Dominica in January →