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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Tue 11 Aug, 2026 Weather in Iwanai

Sunrise: 04:39 AM Sunset: 06:46 PM	Moonrise: 01:44 AM Moonset: 05:49 PM	Max: 27.6 °c	Min: 12.4 °c	Avg: 20.7 °c	Precip: 0.00 mm	Max Wind: 7.2 kph

	Tue 11 0:00 am	Tue 11 3:00 am	Tue 11 6:00 am	Tue 11 9:00 am	Tue 11 12:00 pm	Tue 11 3:00 pm	Tue 11 6:00 pm	Tue 11 9:00 pm
Icon
Temp	14.4°c	13.6°c	14.9°c	24.1°c	27.4°c	27.1°c	21.2°c	20.2°c
Wind	3.6 kmph	3.6 kmph	3.2 kmph	4.0 kmph	6.8 kmph	7.2 kmph	2.9 kmph	4.0 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%	2%	0%	12%	21%	28%	24%	66%
Humidity	90%	90%	83%	57%	49%	55%	82%	89%
Pressure	1013 mb	1013 mb	1013 mb	1012 mb	1011 mb	1010 mb	1011 mb	1013 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	104.41 mm / 4.11 In	17 days	1014 mb / 30 In
April	8°C / 47°F	1°C / 33°F	4°C / 40°F	158 hours	84.30 mm / 3.32 In	9 days	1013 mb / 30 In
May	15°C / 60°F	6°C / 43°F	11°C / 51°F	165 hours	91.30 mm / 3.59 In	7 days	1011 mb / 30 In
June	20°C / 68°F	11°C / 52°F	15°C / 60°F	137 hours	101.57 mm / 4.00 In	7 days	1009 mb / 30 In
July	24°C / 75°F	16°C / 61°F	20°C / 67°F	125 hours	133.80 mm / 5.27 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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