Rockville December Weather Averages Maryland, United States of America

December Weather Averages for Rockville

High Temp	8°C	46°F
Low Temp	1°C	34°F
Avg Temp	4°C	39°F
Sunshine Hours	178 hours
Rainfall	119.33 mm	4.70 In
Rain days	7 days
Pressure	1020 mb	31 In

Rockville December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	7°C / 45°F	0°C / 31°F	3°C / 38°F	191 hours	108.17 mm / 4.26 In	10 days	1021 mb / 31 In
2009	5°C / 40°F	-2°C / 29°F	1°C / 34°F	202 hours	183.44 mm / 7.22 In	7 days	1019 mb / 31 In
2010	2°C / 36°F	-4°C / 24°F	-1°C / 29°F	205 hours	74.70 mm / 2.94 In	5 days	1015 mb / 30 In
2011	9°C / 49°F	2°C / 36°F	5°C / 42°F	229 hours	139.61 mm / 5.50 In	5 days	1022 mb / 31 In
2012	9°C / 48°F	2°C / 36°F	5°C / 42°F	186 hours	83.93 mm / 3.30 In	7 days	1017 mb / 31 In
2013	7°C / 44°F	0°C / 32°F	3°C / 38°F	168 hours	158.18 mm / 6.23 In	8 days	1021 mb / 31 In
2014	7°C / 45°F	1°C / 33°F	4°C / 39°F	148 hours	86.00 mm / 3.39 In	10 days	1022 mb / 31 In
2015	13°C / 56°F	6°C / 43°F	9°C / 49°F	128 hours	125.57 mm / 4.94 In	9 days	1019 mb / 31 In
2016	7°C / 44°F	0°C / 31°F	3°C / 37°F	190 hours	61.06 mm / 2.40 In	6 days	1022 mb / 31 In
2017	6°C / 43°F	-1°C / 30°F	2°C / 36°F	205 hours	36.50 mm / 1.44 In	4 days	1020 mb / 31 In
2018	8°C / 46°F	2°C / 35°F	5°C / 41°F	148 hours	163.53 mm / 6.44 In	9 days	1020 mb / 31 In
2019	7°C / 45°F	1°C / 34°F	4°C / 40°F	186 hours	95.66 mm / 3.77 In	12 days	1019 mb / 31 In
2020	7°C / 44°F	1°C / 33°F	3°C / 38°F	192 hours	195.48 mm / 7.70 In	7 days	1018 mb / 31 In
2021	11°C / 52°F	4°C / 39°F	7°C / 45°F	180 hours	33.10 mm / 1.30 In	5 days	1019 mb / 31 In
2022	7°C / 45°F	0°C / 31°F	3°C / 37°F	166 hours	121.60 mm / 4.79 In	7 days	1022 mb / 31 In
2023	9°C / 49°F	3°C / 37°F	6°C / 43°F	150 hours	172.67 mm / 6.80 In	7 days	1021 mb / 31 In
2024	6°C / 43°F	0°C / 32°F	3°C / 37°F	160 hours	178.22 mm / 7.02 In	5 days	1023 mb / 31 In

Maryland

Hotels Near Rockville

Cities Near Rockville

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