Grass Valley December Weather Averages California, United States of America

December Weather Averages for Grass Valley

High Temp	11°C	52°F
Low Temp	3°C	38°F
Avg Temp	7°C	44°F
Sunshine Hours	210 hours
Rainfall	303.80 mm	11.96 In
Rain days	9 days
Pressure	1020 mb	31 In

Grass Valley 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	4°C / 40°F	259 hours	198.61 mm / 7.82 In	8 days	1020 mb / 31 In
2009	9°C / 48°F	1°C / 34°F	4°C / 40°F	216 hours	195.94 mm / 7.71 In	11 days	1019 mb / 31 In
2010	10°C / 50°F	4°C / 39°F	6°C / 43°F	139 hours	557.48 mm / 21.95 In	17 days	1017 mb / 31 In
2011	13°C / 55°F	1°C / 34°F	6°C / 42°F	325 hours	9.30 mm / 0.37 In	1 days	1024 mb / 31 In
2012	9°C / 47°F	2°C / 35°F	5°C / 41°F	179 hours	542.72 mm / 21.37 In	13 days	1018 mb / 31 In
2013	13°C / 55°F	1°C / 34°F	6°C / 42°F	323 hours	32.27 mm / 1.27 In	3 days	1023 mb / 31 In
2014	11°C / 52°F	4°C / 40°F	7°C / 45°F	180 hours	345.87 mm / 13.62 In	17 days	1019 mb / 31 In
2015	9°C / 48°F	2°C / 35°F	5°C / 41°F	147 hours	414.23 mm / 16.31 In	12 days	1021 mb / 31 In
2016	10°C / 50°F	2°C / 36°F	5°C / 42°F	244 hours	390.88 mm / 15.39 In	10 days	1020 mb / 31 In
2017	15°C / 58°F	4°C / 39°F	8°C / 47°F	268 hours	26.40 mm / 1.04 In	0 days	1024 mb / 31 In
2018	12°C / 53°F	4°C / 39°F	7°C / 45°F	234 hours	137.37 mm / 5.41 In	5 days	1022 mb / 31 In
2019	11°C / 52°F	5°C / 41°F	7°C / 45°F	162 hours	357.56 mm / 14.08 In	12 days	1019 mb / 31 In
2020	13°C / 55°F	4°C / 40°F	8°C / 47°F	259 hours	137.35 mm / 5.41 In	6 days	1023 mb / 31 In
2021	10°C / 50°F	3°C / 37°F	6°C / 43°F	157 hours	441.30 mm / 17.37 In	15 days	1016 mb / 30 In
2022	10°C / 49°F	3°C / 37°F	6°C / 42°F	155 hours	528.70 mm / 20.81 In	12 days	1019 mb / 31 In
2023	14°C / 57°F	6°C / 43°F	9°C / 49°F	198 hours	140.39 mm / 5.53 In	7 days	1020 mb / 31 In
2024	13°C / 55°F	7°C / 45°F	10°C / 49°F	176 hours	603.12 mm / 23.74 In	9 days	1022 mb / 31 In

California

Hotels Near Grass Valley

Cities Near Grass Valley

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, autocomplete, time zone, astronomy and sports data into your new or existing project.

Get Started