Shasta Lake December Weather Averages California, United States of America

December Weather Averages for Shasta Lake

High Temp	10°C	50°F
Low Temp	2°C	36°F
Avg Temp	6°C	42°F
Sunshine Hours	198 hours
Rainfall	280.37 mm	11.04 In
Rain days	9 days
Pressure	1020 mb	31 In

Shasta Lake December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	9°C / 48°F	1°C / 34°F	5°C / 40°F	233 hours	134.68 mm / 5.30 In	9 days	1020 mb / 31 In
2009	8°C / 47°F	1°C / 34°F	4°C / 39°F	214 hours	149.24 mm / 5.88 In	8 days	1019 mb / 31 In
2010	8°C / 46°F	2°C / 36°F	5°C / 41°F	111 hours	390.99 mm / 15.39 In	18 days	1016 mb / 30 In
2011	11°C / 52°F	1°C / 33°F	5°C / 42°F	319 hours	22.20 mm / 0.87 In	2 days	1025 mb / 31 In
2012	7°C / 45°F	1°C / 34°F	4°C / 39°F	184 hours	432.92 mm / 17.04 In	14 days	1018 mb / 31 In
2013	11°C / 52°F	0°C / 32°F	5°C / 41°F	332 hours	8.18 mm / 0.32 In	1 days	1024 mb / 31 In
2014	10°C / 50°F	5°C / 40°F	7°C / 44°F	132 hours	460.74 mm / 18.14 In	16 days	1019 mb / 31 In
2015	8°C / 46°F	1°C / 34°F	4°C / 40°F	124 hours	355.17 mm / 13.98 In	14 days	1020 mb / 31 In
2016	9°C / 48°F	0°C / 33°F	4°C / 40°F	240 hours	269.42 mm / 10.61 In	8 days	1021 mb / 31 In
2017	14°C / 57°F	3°C / 38°F	8°C / 46°F	261 hours	7.40 mm / 0.29 In	0 days	1025 mb / 31 In
2018	10°C / 50°F	3°C / 37°F	6°C / 43°F	220 hours	148.77 mm / 5.86 In	7 days	1022 mb / 31 In
2019	9°C / 49°F	3°C / 38°F	6°C / 43°F	149 hours	292.94 mm / 11.53 In	13 days	1018 mb / 31 In
2020	13°C / 55°F	4°C / 38°F	7°C / 45°F	258 hours	87.41 mm / 3.44 In	4 days	1023 mb / 31 In
2021	10°C / 50°F	3°C / 37°F	6°C / 42°F	178 hours	256.40 mm / 10.09 In	14 days	1016 mb / 30 In
2022	9°C / 48°F	2°C / 35°F	5°C / 41°F	151 hours	307.00 mm / 12.09 In	11 days	1019 mb / 31 In
2023	12°C / 54°F	5°C / 40°F	8°C / 46°F	165 hours	173.74 mm / 6.84 In	6 days	1020 mb / 31 In
2024	11°C / 52°F	5°C / 41°F	8°C / 46°F	132 hours	1123.44 mm / 44.23 In	13 days	1022 mb / 31 In

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