Ottumwa Weather History Iowa, United States of America

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Tue 12 May, 2026 Weather in Ottumwa

Sunrise: 05:55 AM Sunset: 08:18 PM	Moonrise: 03:23 AM Moonset: 03:40 PM	Max: 24.9 °c	Min: 14.1 °c	Avg: 19.2 °c	Precip: 2.20 mm	Max Wind: 32.4 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	14.8°c	14.7°c	15.2°c	19.1°c	23.0°c	24.9°c	23.2°c	18.8°c
Wind	17.3 kmph	22.0 kmph	20.5 kmph	28.4 kmph	31.3 kmph	27.4 kmph	26.1 kmph	15.5 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.10 mm	0.00 mm	0.00 mm
Cloud	20%	5%	80%	56%	65%	68%	3%	23%
Humidity	79%	69%	73%	72%	65%	60%	57%	69%
Pressure	1018 mb	1016 mb	1016 mb	1016 mb	1014 mb	1012 mb	1012 mb	1013 mb

Ottumwa Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-1°C / 30°F	-9°C / 16°F	-5°C / 23°F	137 hours	47.07 mm / 1.85 In	6 days	1021 mb / 31 In
February	2°C / 35°F	-7°C / 19°F	-3°C / 27°F	140 hours	43.06 mm / 1.70 In	6 days	1020 mb / 31 In
March	10°C / 50°F	1°C / 33°F	5°C / 41°F	151 hours	100.30 mm / 3.95 In	7 days	1017 mb / 31 In
April	16°C / 60°F	6°C / 42°F	11°C / 51°F	155 hours	130.91 mm / 5.15 In	8 days	1014 mb / 30 In
May	21°C / 70°F	12°C / 53°F	16°C / 62°F	169 hours	156.09 mm / 6.15 In	10 days	1014 mb / 30 In
June	27°C / 81°F	17°C / 63°F	22°C / 72°F	211 hours	209.81 mm / 8.26 In	9 days	1012 mb / 30 In
July	29°C / 84°F	19°C / 66°F	24°C / 75°F	233 hours	114.37 mm / 4.50 In	7 days	1014 mb / 30 In
August	28°C / 83°F	18°C / 64°F	23°C / 73°F	233 hours	118.05 mm / 4.65 In	7 days	1015 mb / 30 In
September	26°C / 78°F	14°C / 57°F	20°C / 67°F	245 hours	115.48 mm / 4.55 In	6 days	1016 mb / 30 In
October	17°C / 63°F	8°C / 46°F	12°C / 54°F	202 hours	89.29 mm / 3.52 In	5 days	1016 mb / 30 In
November	10°C / 49°F	1°C / 34°F	5°C / 41°F	199 hours	77.78 mm / 3.06 In	5 days	1019 mb / 31 In
December	3°C / 37°F	-4°C / 24°F	-1°C / 30°F	160 hours	58.97 mm / 2.32 In	5 days	1019 mb / 31 In

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