Iwanai Weather History Hokkaido, Japan

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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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Mon 23 Mar, 2026 Weather in Iwanai

Sunrise: 05:37 AM Sunset: 05:53 PM	Moonrise: 07:22 AM Moonset: 11:23 PM	Max: 5.9 °c	Min: -3.0 °c	Avg: 1.2 °c	Precip: 4.60 mm	Max Wind: 7.6 kph

	Mon 23 0:00 am	Mon 23 3:00 am	Mon 23 6:00 am	Mon 23 9:00 am	Mon 23 12:00 pm	Mon 23 3:00 pm	Mon 23 6:00 pm	Mon 23 9:00 pm
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Temp	-2.6°c	-2.8°c	-2.5°c	3.7°c	5.5°c	4.1°c	0.4°c	1.1°c
Wind	6.5 kmph	6.1 kmph	6.8 kmph	7.6 kmph	5.8 kmph	1.8 kmph	1.8 kmph	6.1 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	1.10 mm	0.10 mm	0.10 mm
Cloud	42%	33%	32%	100%	100%	100%	100%	100%
Humidity	96%	95%	93%	80%	76%	95%	99%	99%
Pressure	1019 mb	1018 mb	1017 mb	1015 mb	1013 mb	1012 mb	1013 mb	1014 mb

Iwanai Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-4°C / 26°F	-9°C / 16°F	-6°C / 21°F	19 hours	149.94 mm / 5.90 In	23 days	1014 mb / 30 In
February	-3°C / 27°F	-9°C / 17°F	-5°C / 22°F	28 hours	112.29 mm / 4.42 In	19 days	1015 mb / 30 In
March	2°C / 35°F	-5°C / 24°F	-1°C / 29°F	79 hours	104.24 mm / 4.10 In	17 days	1014 mb / 30 In
April	8°C / 47°F	0°C / 33°F	4°C / 40°F	158 hours	85.52 mm / 3.37 In	9 days	1013 mb / 30 In
May	15°C / 60°F	6°C / 43°F	11°C / 51°F	174 hours	88.77 mm / 3.49 In	8 days	1011 mb / 30 In
June	20°C / 68°F	11°C / 52°F	15°C / 59°F	145 hours	101.51 mm / 4.00 In	7 days	1009 mb / 30 In
July	24°C / 75°F	16°C / 61°F	20°C / 67°F	133 hours	130.28 mm / 5.13 In	7 days	1009 mb / 30 In
August	24°C / 75°F	17°C / 62°F	20°C / 69°F	134 hours	178.89 mm / 7.04 In	10 days	1009 mb / 30 In
September	20°C / 68°F	13°C / 55°F	16°C / 61°F	161 hours	147.63 mm / 5.81 In	8 days	1014 mb / 30 In
October	13°C / 55°F	6°C / 43°F	9°C / 49°F	140 hours	138.50 mm / 5.45 In	9 days	1017 mb / 31 In
November	6°C / 42°F	0°C / 32°F	3°C / 37°F	66 hours	184.93 mm / 7.28 In	16 days	1016 mb / 30 In
December	-1°C / 29°F	-6°C / 20°F	-4°C / 25°F	22 hours	187.45 mm / 7.38 In	23 days	1014 mb / 30 In

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