Portsmouth
Saint John Parish, Dominica
Local time09:10
Sunrise06:03
Sunset17:35
Elevation43 m
Weather
When is the best time to visit Portsmouth?
Monthly averages. The current month is highlighted.
High and low temperature
Cold (high ≤ 8 °C)
Cool
Mild
Warm
Rain millimetres per month
The climate in numbers
Warmest month
32°
August
Coldest month
26°
January
Wettest month
250mm
August
Rain per year
1,745mm
Rainy days per year
178
| Month | High | Low | Rain | Rainy days | Daylight |
|---|---|---|---|---|---|
| January | 29.5 °C | 25.5 °C | 110 mm | 15.7 | 11.3 h |
| February | 29.5 °C | 25.5 °C | 67 mm | 12.6 | 11.6 h |
| March | 30.1 °C | 25.9 °C | 43 mm | 9.6 | 12.0 h |
| April | 30.9 °C | 26.8 °C | 67 mm | 9.8 | 12.5 h |
| May | 31.6 °C | 27.7 °C | 89 mm | 10.7 | 12.9 h |
| June | 31.8 °C | 28.2 °C | 160 mm | 16.1 | 13.0 h |
| July | 31.6 °C | 28.0 °C | 232 mm | 20.3 | 13.0 h |
| August | 31.9 °C | 28.0 °C | 250 mm | 19.8 | 12.6 h |
| September | 31.8 °C | 27.9 °C | 246 mm | 15.6 | 12.2 h |
| October | 31.7 °C | 27.6 °C | 179 mm | 16.6 | 11.8 h |
| November | 31.0 °C | 27.0 °C | 177 mm | 15.4 | 11.4 h |
| December | 30.1 °C | 26.2 °C | 125 mm | 16.1 | 11.2 h |
Plan your trip to Portsmouth
Tours in Portsmouth
Tours, tickets and activities to book ahead.
See tours
What to pack
What to wear in Portsmouth
Day30 °C
Night26 °C
Rain110 mm
January in Portsmouth: hot, with highs of 30 °C and lows of 26 °C. Light clothes are enough.
-
Base layer Light cotton or linen T-shirts
-
Jacket Light windbreaker
-
Shoes Closed, water-resistant shoes
-
Accessory Folding umbrella
-
Accessory Sunglasses
-
Accessory Sunscreen
-
Accessory Cap or hat
No need for warm layer.
- It is one of the wettest months, with 110 mm. Bring something waterproof.
Day30 °C
Night26 °C
Rain67 mm
February in Portsmouth: hot, with highs of 30 °C and lows of 26 °C. Light clothes are enough.
-
Base layer Light cotton or linen T-shirts
-
Jacket Light windbreaker
-
Shoes Closed, water-resistant shoes
-
Accessory Folding umbrella
-
Accessory Sunglasses
-
Accessory Sunscreen
-
Accessory Cap or hat
No need for warm layer.
Day30 °C
Night26 °C
Rain43 mm
March in Portsmouth: hot, with highs of 30 °C and lows of 26 °C. Light clothes are enough.
-
Base layer Light cotton or linen T-shirts
-
Shoes Sandals or light sneakers
-
Accessory Sunglasses
-
Accessory Sunscreen
-
Accessory Cap or hat
No need for warm layer or jacket.
- Middays are very hot: wear light, breathable clothes and keep water at hand.
Day31 °C
Night27 °C
Rain67 mm
April in Portsmouth: hot, with highs of 31 °C and lows of 27 °C. Light clothes are enough.
-
Base layer Light cotton or linen T-shirts
-
Jacket Light windbreaker
-
Shoes Sandals or light sneakers
-
Accessory Sunglasses
-
Accessory Sunscreen
-
Accessory Cap or hat
No need for warm layer.
- Middays are very hot: wear light, breathable clothes and keep water at hand.
Day32 °C
Night28 °C
Rain89 mm
May in Portsmouth: hot, with highs of 32 °C and lows of 28 °C. Light clothes are enough.
-
Base layer Light cotton or linen T-shirts
-
Jacket Light windbreaker
-
Shoes Closed, water-resistant shoes
-
Accessory Folding umbrella
-
Accessory Sunglasses
-
Accessory Sunscreen
-
Accessory Cap or hat
No need for warm layer.
- Middays are very hot: wear light, breathable clothes and keep water at hand.
Day32 °C
Night28 °C
Rain160 mm
June in Portsmouth: hot, with highs of 32 °C and lows of 28 °C. Light clothes are enough.
-
Base layer Light cotton or linen T-shirts
-
Jacket Light windbreaker
-
Shoes Closed, water-resistant shoes
-
Accessory Folding umbrella
-
Accessory Sunglasses
-
Accessory Sunscreen
-
Accessory Cap or hat
No need for warm layer.
- It is one of the wettest months, with 160 mm. Bring something waterproof.
- Middays are very hot: wear light, breathable clothes and keep water at hand.
Day32 °C
Night28 °C
Rain232 mm
July in Portsmouth: hot, with highs of 32 °C and lows of 28 °C. Light clothes are enough.
-
Base layer Light cotton or linen T-shirts
-
Jacket Light windbreaker
-
Shoes Closed, water-resistant shoes
-
Accessory Folding umbrella
-
Accessory Sunglasses
-
Accessory Sunscreen
-
Accessory Cap or hat
No need for warm layer.
- It is one of the wettest months, with 232 mm. Bring something waterproof.
- Middays are very hot: wear light, breathable clothes and keep water at hand.
Day32 °C
Night28 °C
Rain250 mm
August in Portsmouth: hot, with highs of 32 °C and lows of 28 °C. Light clothes are enough.
-
Base layer Light cotton or linen T-shirts
-
Jacket Light windbreaker
-
Shoes Closed, water-resistant shoes
-
Accessory Folding umbrella
-
Accessory Sunglasses
-
Accessory Sunscreen
-
Accessory Cap or hat
No need for warm layer.
- It is one of the wettest months, with 250 mm. Bring something waterproof.
- Middays are very hot: wear light, breathable clothes and keep water at hand.
Day32 °C
Night28 °C
Rain246 mm
September in Portsmouth: hot, with highs of 32 °C and lows of 28 °C. Light clothes are enough.
-
Base layer Light cotton or linen T-shirts
-
Jacket Light windbreaker
-
Shoes Closed, water-resistant shoes
-
Accessory Folding umbrella
-
Accessory Sunglasses
-
Accessory Sunscreen
-
Accessory Cap or hat
No need for warm layer.
- It is one of the wettest months, with 246 mm. Bring something waterproof.
- Middays are very hot: wear light, breathable clothes and keep water at hand.
Day32 °C
Night28 °C
Rain179 mm
October in Portsmouth: hot, with highs of 32 °C and lows of 28 °C. Light clothes are enough.
-
Base layer Light cotton or linen T-shirts
-
Jacket Light windbreaker
-
Shoes Closed, water-resistant shoes
-
Accessory Folding umbrella
-
Accessory Sunglasses
-
Accessory Sunscreen
-
Accessory Cap or hat
No need for warm layer.
- It is one of the wettest months, with 179 mm. Bring something waterproof.
- Middays are very hot: wear light, breathable clothes and keep water at hand.
Day31 °C
Night27 °C
Rain177 mm
November in Portsmouth: hot, with highs of 31 °C and lows of 27 °C. Light clothes are enough.
-
Base layer Light cotton or linen T-shirts
-
Jacket Light windbreaker
-
Shoes Closed, water-resistant shoes
-
Accessory Folding umbrella
-
Accessory Sunglasses
-
Accessory Sunscreen
-
Accessory Cap or hat
No need for warm layer.
- It is one of the wettest months, with 177 mm. Bring something waterproof.
- Middays are very hot: wear light, breathable clothes and keep water at hand.
Day30 °C
Night26 °C
Rain125 mm
December in Portsmouth: hot, with highs of 30 °C and lows of 26 °C. Light clothes are enough.
-
Base layer Light cotton or linen T-shirts
-
Jacket Light windbreaker
-
Shoes Closed, water-resistant shoes
-
Accessory Folding umbrella
-
Accessory Sunglasses
-
Accessory Sunscreen
-
Accessory Cap or hat
No need for warm layer.
- It is one of the wettest months, with 125 mm. Bring something waterproof.
- Middays are very hot: wear light, breathable clothes and keep water at hand.
Curious facts about Portsmouth
- The temperature barely changes over the year: the average high goes from 30° to 32°.
- It never gets cold: the average low of the coolest month is 26°.
Near Portsmouth
Nearby destinations
Straight-line distance and temperature in November.
-
Roseau
32 km
31° / 27°
-
Gros Islet
Saint Lucia · 175 km
30° / 24°
-
Castries
Saint Lucia · 181 km
30° / 24°
-
Basseterre
Saint Kitts and Nevis · 235 km
31° / 25°
-
Philipsburg
Sint Maarten · 320 km
30° / 25°
-
Bathsheba
Barbados · 335 km
31° / 25°
-
Bridgetown
Barbados · 339 km
31° / 25°
-
St. George's
Grenada · 393 km
31° / 25°
Keep exploring
More destinations
-
Roseau
Dominica
November: 31° / 27°
-
New York City
United States
November: 12° / 6°
-
Barcelona
Spain
November: 18° / 10°
-
Paris
France
November: 11° / 6°
-
London
United Kingdom
November: 12° / 6°
-
Los Angeles
United States
November: 21° / 12°
-
Berlin
Germany
November: 8° / 3°
-
Amsterdam
Kingdom of the Netherlands
November: 10° / 5°
-
Istanbul
Turkey
November: 15° / 9°
-
Chicago
United States
November: 10° / 2°
-
Madrid
Spain
November: 14° / 6°
-
Sydney
Australia
November: 25° / 17°