Rossmoor December Weather Averages California, United States of America

December Weather Averages for Rossmoor

High Temp	18°C	65°F
Low Temp	11°C	51°F
Avg Temp	14°C	58°F
Sunshine Hours	267 hours
Rainfall	60.02 mm	2.36 In
Rain days	3 days
Pressure	1018 mb	31 In

Rossmoor December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	17°C / 63°F	8°C / 47°F	12°C / 54°F	260 hours	49.60 mm / 1.95 In	3 days	1017 mb / 31 In
2010	18°C / 64°F	10°C / 49°F	13°C / 56°F	235 hours	207.04 mm / 8.15 In	8 days	1017 mb / 30 In
2011	17°C / 63°F	8°C / 47°F	12°C / 54°F	341 hours	20.10 mm / 0.79 In	2 days	1020 mb / 31 In
2012	17°C / 62°F	10°C / 49°F	13°C / 56°F	257 hours	37.30 mm / 1.47 In	6 days	1017 mb / 31 In
2013	19°C / 67°F	9°C / 49°F	14°C / 57°F	330 hours	6.20 mm / 0.24 In	1 days	1019 mb / 31 In
2014	17°C / 62°F	11°C / 52°F	14°C / 57°F	249 hours	102.70 mm / 4.04 In	6 days	1018 mb / 31 In
2015	19°C / 65°F	10°C / 49°F	14°C / 57°F	335 hours	21.30 mm / 0.84 In	2 days	1018 mb / 31 In
2016	18°C / 64°F	11°C / 51°F	14°C / 57°F	269 hours	68.85 mm / 2.71 In	5 days	1018 mb / 31 In
2017	22°C / 72°F	13°C / 56°F	17°C / 63°F	332 hours	0.20 mm / 0.01 In	0 days	1020 mb / 31 In
2018	19°C / 66°F	13°C / 55°F	16°C / 60°F	309 hours	60.30 mm / 2.37 In	2 days	1019 mb / 31 In
2019	18°C / 64°F	12°C / 53°F	14°C / 58°F	252 hours	114.92 mm / 4.52 In	4 days	1018 mb / 31 In
2020	21°C / 69°F	12°C / 53°F	16°C / 60°F	307 hours	20.90 mm / 0.82 In	1 days	1019 mb / 31 In
2021	17°C / 63°F	11°C / 52°F	14°C / 57°F	216 hours	133.50 mm / 5.26 In	8 days	1016 mb / 30 In
2022	18°C / 64°F	11°C / 52°F	14°C / 57°F	170 hours	56.30 mm / 2.22 In	2 days	1018 mb / 31 In
2023	20°C / 68°F	14°C / 57°F	17°C / 62°F	228 hours	61.05 mm / 2.40 In	2 days	1017 mb / 31 In
2024	18°C / 64°F	10°C / 51°F	14°C / 57°F	175 hours	0.00 mm / 0.00 In	0 days	1020 mb / 31 In

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