Northumberland Weather History Pennsylvania, 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.
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Fri 22 Aug, 2025 Weather in Northumberland

Sunrise: 06:24 AM Sunset: 07:55 PM	Moonrise: 05:31 AM Moonset: 07:51 PM	Max: 25.9 °c	Min: 13.1 °c	Avg: 18.6 °c	Precip: 0.00 mm	Max Wind: 6.1 kph

	Fri 22 0:00 am	Fri 22 3:00 am	Fri 22 6:00 am	Fri 22 9:00 am	Fri 22 12:00 pm	Fri 22 3:00 pm	Fri 22 6:00 pm	Fri 22 9:00 pm
Icon
Temp	17.0°c	14.9°c	13.4°c	15.1°c	20.4°c	25.0°c	23.7°c	19.5°c
Wind	5.0 kmph	5.0 kmph	2.5 kmph	3.6 kmph	3.6 kmph	3.6 kmph	5.4 kmph	4.7 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	13%	22%	67%	83%	38%	0%	0%	0%
Humidity	87%	93%	97%	96%	74%	52%	56%	68%
Pressure	1014 mb	1015 mb	1016 mb	1017 mb	1017 mb	1016 mb	1016 mb	1017 mb

Northumberland Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	1°C / 34°F	-6°C / 21°F	-2°C / 28°F	119 hours	69.92 mm / 2.75 In	8 days	1019 mb / 31 In
February	3°C / 38°F	-5°C / 22°F	-1°C / 30°F	109 hours	84.12 mm / 3.31 In	8 days	1019 mb / 31 In
March	9°C / 48°F	-1°C / 30°F	4°C / 39°F	138 hours	87.10 mm / 3.43 In	7 days	1018 mb / 31 In
April	15°C / 59°F	4°C / 40°F	10°C / 49°F	143 hours	116.26 mm / 4.58 In	8 days	1016 mb / 30 In
May	21°C / 70°F	10°C / 50°F	16°C / 60°F	164 hours	113.64 mm / 4.47 In	9 days	1016 mb / 30 In
June	26°C / 78°F	15°C / 58°F	20°C / 68°F	196 hours	106.83 mm / 4.21 In	9 days	1014 mb / 30 In
July	29°C / 84°F	18°C / 64°F	23°C / 74°F	225 hours	106.98 mm / 4.21 In	9 days	1015 mb / 30 In
August	28°C / 82°F	17°C / 62°F	22°C / 71°F	222 hours	102.16 mm / 4.02 In	7 days	1016 mb / 30 In
September	24°C / 75°F	13°C / 55°F	18°C / 65°F	204 hours	129.23 mm / 5.09 In	7 days	1018 mb / 31 In
October	17°C / 62°F	7°C / 45°F	12°C / 53°F	166 hours	97.18 mm / 3.83 In	6 days	1018 mb / 31 In
November	10°C / 50°F	1°C / 34°F	5°C / 41°F	183 hours	72.91 mm / 2.87 In	5 days	1020 mb / 31 In
December	4°C / 40°F	-2°C / 28°F	1°C / 34°F	122 hours	107.39 mm / 4.23 In	8 days	1020 mb / 31 In

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