Portsmouth Weather History Saint John, Dominica

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
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Wed 29 Jul, 2026 Weather in Portsmouth

Sunrise: 05:47 AM Sunset: 06:37 PM	Moonrise: 07:03 PM Moonset: 05:54 AM	Max: 28.7 °c	Min: 23.7 °c	Avg: 25.6 °c	Precip: 5.40 mm	Max Wind: 24.1 kph

	Wed 29 0:00 am	Wed 29 3:00 am	Wed 29 6:00 am	Wed 29 9:00 am	Wed 29 12:00 pm	Wed 29 3:00 pm	Wed 29 6:00 pm	Wed 29 9:00 pm
Icon
Temp	24.4°c	24.0°c	23.9°c	25.5°c	28.2°c	27.5°c	25.6°c	24.9°c
Wind	20.9 kmph	19.4 kmph	16.9 kmph	24.1 kmph	21.6 kmph	21.6 kmph	21.6 kmph	22.3 kmph
Precip	0.10 mm	0.40 mm	0.30 mm	0.20 mm	0.20 mm	0.10 mm	0.00 mm	0.10 mm
Cloud	50%	75%	83%	76%	74%	80%	83%	75%
Humidity	82%	83%	84%	81%	77%	73%	77%	78%
Pressure	1016 mb	1015 mb	1016 mb	1017 mb	1017 mb	1015 mb	1015 mb	1017 mb

Portsmouth Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	25°C / 77°F	23°C / 74°F	24°C / 75°F	159 hours	39.68 mm / 1.56 In	1 days	1015 mb / 30 In
February	25°C / 77°F	23°C / 73°F	24°C / 75°F	160 hours	32.21 mm / 1.27 In	1 days	1016 mb / 30 In
March	25°C / 77°F	23°C / 74°F	24°C / 75°F	172 hours	35.74 mm / 1.41 In	1 days	1015 mb / 30 In
April	26°C / 78°F	24°C / 75°F	25°C / 76°F	136 hours	53.17 mm / 2.09 In	2 days	1015 mb / 30 In
May	26°C / 79°F	24°C / 76°F	25°C / 77°F	119 hours	67.45 mm / 2.66 In	4 days	1015 mb / 30 In
June	27°C / 80°F	25°C / 77°F	26°C / 78°F	111 hours	58.96 mm / 2.32 In	4 days	1016 mb / 30 In
July	27°C / 80°F	25°C / 77°F	26°C / 79°F	120 hours	98.99 mm / 3.90 In	6 days	1016 mb / 30 In
August	27°C / 81°F	25°C / 77°F	26°C / 79°F	132 hours	144.61 mm / 5.69 In	9 days	1014 mb / 30 In
September	27°C / 81°F	26°C / 78°F	26°C / 80°F	143 hours	139.05 mm / 5.47 In	8 days	1013 mb / 30 In
October	27°C / 81°F	25°C / 78°F	26°C / 79°F	135 hours	131.66 mm / 5.18 In	10 days	1012 mb / 30 In
November	26°C / 79°F	25°C / 76°F	26°C / 78°F	119 hours	119.15 mm / 4.69 In	6 days	1012 mb / 30 In
December	25°C / 78°F	24°C / 75°F	25°C / 76°F	150 hours	59.47 mm / 2.34 In	3 days	1014 mb / 30 In

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