Portland Weather History Maine, United States of America

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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.
Yearly Monthly Averages
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Sat 03 May, 2025 Weather in Portland

Sunrise: 05:30 AM Sunset: 07:47 PM	Moonrise: 10:35 AM Moonset: 01:40 AM	Max: 12.6 °c	Min: 7.9 °c	Avg: 9.9 °c	Precip: 2.64 mm	Max Wind: 15.1 kph

	Sat 03 0:00 am	Sat 03 3:00 am	Sat 03 6:00 am	Sat 03 9:00 am	Sat 03 12:00 pm	Sat 03 3:00 pm	Sat 03 6:00 pm	Sat 03 9:00 pm
Icon
Temp	8.5°c	8.7°c	9.6°c	11.7°c	12.3°c	11.1°c	9.3°c	8.0°c
Wind	4.7 kmph	9.7 kmph	9.7 kmph	11.2 kmph	12.6 kmph	11.5 kmph	6.5 kmph	13.3 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	1.06 mm
Cloud	100%	100%	100%	95%	93%	85%	87%	100%
Humidity	98%	98%	98%	92%	89%	92%	95%	98%
Pressure	1010 mb	1010 mb	1012 mb	1014 mb	1014 mb	1014 mb	1014 mb	1013 mb

Portland Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	0°C / 31°F	-7°C / 20°F	-3°C / 26°F	177 hours	87.58 mm / 3.45 In	7 days	1015 mb / 30 In
February	1°C / 33°F	-6°C / 21°F	-3°C / 27°F	142 hours	91.38 mm / 3.60 In	7 days	1016 mb / 30 In
March	4°C / 40°F	-2°C / 28°F	1°C / 34°F	151 hours	105.82 mm / 4.17 In	7 days	1016 mb / 30 In
April	10°C / 50°F	3°C / 38°F	7°C / 44°F	149 hours	116.47 mm / 4.59 In	7 days	1014 mb / 30 In
May	16°C / 61°F	9°C / 47°F	12°C / 54°F	184 hours	70.49 mm / 2.78 In	7 days	1016 mb / 30 In
June	20°C / 69°F	13°C / 56°F	17°C / 62°F	187 hours	99.22 mm / 3.91 In	9 days	1013 mb / 30 In
July	24°C / 76°F	17°C / 63°F	21°C / 69°F	224 hours	104.06 mm / 4.10 In	8 days	1014 mb / 30 In
August	24°C / 75°F	17°C / 62°F	20°C / 68°F	237 hours	92.66 mm / 3.65 In	7 days	1015 mb / 30 In
September	21°C / 69°F	13°C / 56°F	17°C / 62°F	223 hours	80.41 mm / 3.17 In	5 days	1017 mb / 31 In
October	15°C / 58°F	8°C / 47°F	11°C / 52°F	184 hours	124.43 mm / 4.90 In	7 days	1016 mb / 30 In
November	8°C / 47°F	2°C / 36°F	5°C / 41°F	199 hours	95.47 mm / 3.76 In	6 days	1017 mb / 31 In
December	3°C / 38°F	-2°C / 28°F	0°C / 33°F	169 hours	134.79 mm / 5.31 In	9 days	1017 mb / 31 In

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