Walla Walla December Weather Averages Washington, United States of America

December Weather Averages for Walla Walla

High Temp	4°C	40°F
Low Temp	-2°C	28°F
Avg Temp	1°C	33°F
Sunshine Hours	139 hours
Rainfall	79.53 mm	3.13 In
Rain days	10 days
Pressure	1021 mb	31 In

Walla Walla December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	2°C / 35°F	-6°C / 22°F	-2°C / 28°F	94 hours	82.82 mm / 3.26 In	14 days	1019 mb / 31 In
2009	2°C / 35°F	-5°C / 23°F	-2°C / 28°F	198 hours	44.82 mm / 1.76 In	5 days	1023 mb / 31 In
2010	4°C / 39°F	-3°C / 26°F	0°C / 32°F	94 hours	88.31 mm / 3.48 In	13 days	1017 mb / 30 In
2011	4°C / 40°F	-4°C / 26°F	0°C / 31°F	247 hours	25.10 mm / 0.99 In	4 days	1027 mb / 31 In
2012	5°C / 41°F	-1°C / 30°F	2°C / 35°F	100 hours	50.17 mm / 1.98 In	10 days	1015 mb / 30 In
2013	3°C / 37°F	-5°C / 23°F	-1°C / 30°F	176 hours	49.77 mm / 1.96 In	8 days	1026 mb / 31 In
2014	5°C / 41°F	-1°C / 30°F	2°C / 35°F	167 hours	73.25 mm / 2.88 In	10 days	1020 mb / 31 In
2015	5°C / 40°F	-2°C / 29°F	1°C / 35°F	111 hours	104.64 mm / 4.12 In	15 days	1017 mb / 31 In
2016	0°C / 33°F	-7°C / 19°F	-3°C / 26°F	158 hours	72.57 mm / 2.86 In	15 days	1023 mb / 31 In
2017	4°C / 38°F	-3°C / 27°F	0°C / 32°F	197 hours	70.62 mm / 2.78 In	8 days	1029 mb / 31 In
2018	6°C / 43°F	0°C / 31°F	3°C / 37°F	200 hours	62.10 mm / 2.44 In	6 days	1023 mb / 31 In
2019	7°C / 44°F	-1°C / 31°F	3°C / 37°F	136 hours	24.40 mm / 0.96 In	6 days	1019 mb / 31 In
2020	6°C / 42°F	-1°C / 31°F	2°C / 36°F	148 hours	44.70 mm / 1.76 In	9 days	1024 mb / 31 In
2021	4°C / 39°F	-2°C / 29°F	1°C / 34°F	73 hours	73.40 mm / 2.89 In	15 days	1013 mb / 30 In
2022	1°C / 33°F	-5°C / 24°F	-2°C / 28°F	35 hours	52.80 mm / 2.08 In	11 days	1020 mb / 31 In
2023	8°C / 46°F	2°C / 35°F	4°C / 40°F	139 hours	134.04 mm / 5.28 In	10 days	1020 mb / 31 In
2024	6°C / 42°F	2°C / 35°F	3°C / 38°F	50 hours	301.77 mm / 11.88 In	11 days	1022 mb / 31 In

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