When is the best time to go to Portsmouth?

When is the best time to go to Portsmouth? Here's some information to help you in your decision:

  • The weather is good all year round in Portsmouth
  • On average, the warmest months are March, April, May, June, July, August, September, October, November and December
  • The rainiest months are July, August and September
  • The sea temperature is suitable for swimming all year round

For full information about the climate and weather in Portsmouth a specific month, click on the corresponding line below:

January 79°F/83°F
44%
2.1in
February 79°F/83°F
37%
1.4in
March 81°F/83°F
28%
1.3in
April 81°F/85°F
48%
3.3in
May 83°F/86°F
57%
4.4in
June 83°F/88°F
48%
3.4in
July 83°F/88°F
57%
4.9in
August 85°F/88°F
60%
6.1in
September 85°F/88°F
56%
5.7in
October 85°F/88°F
60%
4.4in
November 85°F/88°F
58%
3.6in
December 83°F/85°F
50%
2.5in

Weather and climate in Portsmouth

  • Between january and march the climate is beautiful. The record temperature this month is 88°F and you can expect to have 1.3in of rainfall/month during this period.
  • Between the months of april and october the climate is passable, but still OK. In average, on the morning it is 85°F and, in october, 19 days of rain are expected.
  • In november the climate is favorable. The record temperature this month is 94°F and it rains in november about 3.6in.
  • In the month of december the climate is correct. the thermometer goes up to 85°F°C and, in december, 16 days of rain are expected.

Portsmouth : Portsmouth Bay,Dominica


Charts: temperature and rainfall in Portsmouth

In the charts below, you can see the following seasonal norms for the city of Portsmouth: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature

Humidity



Map of Dominica

Portsmouth appears on the map below with a blue icon. The other cities or locations in Dominica appear on the map with a black icon. Click for information about the climate.

Chargement en cours
Legend: Portsmouth other locations

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