Johnstown 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.
Yearly Monthly Averages
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Tue 12 May, 2026 Weather in Johnstown

Sunrise: 06:02 AM Sunset: 08:22 PM	Moonrise: 03:28 AM Moonset: 03:43 PM	Max: 17.1 °c	Min: 1.0 °c	Avg: 8.9 °c	Precip: 0.00 mm	Max Wind: 9.7 kph

	Tue 12 0:00 am	Tue 12 3:00 am	Tue 12 6:00 am	Tue 12 9:00 am	Tue 12 12:00 pm	Tue 12 3:00 pm	Tue 12 6:00 pm	Tue 12 9:00 pm
Icon
Temp	3.8°c	1.0°c	1.1°c	7.4°c	13.6°c	17.1°c	15.8°c	10.2°c
Wind	4.0 kmph	1.4 kmph	1.4 kmph	3.6 kmph	2.2 kmph	6.8 kmph	9.7 kmph	4.3 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	0%	0%	0%	0%	0%	6%	5%	28%
Humidity	92%	93%	91%	52%	34%	31%	41%	69%
Pressure	1025 mb	1025 mb	1025 mb	1026 mb	1023 mb	1020 mb	1019 mb	1018 mb

Johnstown Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	0°C / 31°F	-7°C / 19°F	-4°C / 25°F	66 hours	101.30 mm / 3.99 In	13 days	1019 mb / 31 In
February	2°C / 36°F	-6°C / 21°F	-2°C / 29°F	73 hours	113.86 mm / 4.48 In	12 days	1019 mb / 31 In
March	8°C / 46°F	-1°C / 29°F	3°C / 38°F	114 hours	124.31 mm / 4.89 In	11 days	1018 mb / 31 In
April	14°C / 57°F	4°C / 39°F	9°C / 48°F	124 hours	145.90 mm / 5.74 In	11 days	1016 mb / 30 In
May	19°C / 67°F	10°C / 49°F	14°C / 58°F	144 hours	166.35 mm / 6.55 In	13 days	1016 mb / 30 In
June	24°C / 75°F	14°C / 57°F	19°C / 66°F	162 hours	163.05 mm / 6.42 In	11 days	1014 mb / 30 In
July	27°C / 80°F	16°C / 61°F	21°C / 70°F	181 hours	127.78 mm / 5.03 In	11 days	1015 mb / 30 In
August	25°C / 78°F	15°C / 59°F	20°C / 68°F	182 hours	99.96 mm / 3.94 In	9 days	1016 mb / 30 In
September	22°C / 72°F	12°C / 54°F	17°C / 62°F	175 hours	128.27 mm / 5.05 In	8 days	1018 mb / 31 In
October	15°C / 59°F	6°C / 44°F	11°C / 51°F	152 hours	124.30 mm / 4.89 In	8 days	1017 mb / 31 In
November	8°C / 47°F	0°C / 32°F	4°C / 39°F	140 hours	93.61 mm / 3.69 In	8 days	1020 mb / 31 In
December	3°C / 37°F	-3°C / 26°F	0°C / 31°F	81 hours	132.56 mm / 5.22 In	11 days	1020 mb / 31 In

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