Mercer Island April Weather Averages Washington, United States of America

April Weather Averages for Mercer Island

High Temp	14°C	57°F
Low Temp	5°C	40°F
Avg Temp	9°C	48°F
Sunshine Hours	116 hours
Rainfall	110.88 mm	4.37 In
Rain days	10 days
Pressure	1017 mb	31 In

Mercer Island April Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	14°C / 57°F	3°C / 38°F	8°C / 47°F	215 hours	103.40 mm / 4.07 In	8 days	1019 mb / 31 In
2010	13°C / 55°F	4°C / 40°F	8°C / 47°F	121 hours	115.30 mm / 4.54 In	10 days	1013 mb / 30 In
2011	11°C / 51°F	2°C / 35°F	6°C / 43°F	80 hours	142.70 mm / 5.62 In	14 days	1017 mb / 31 In
2012	14°C / 58°F	5°C / 40°F	9°C / 48°F	140 hours	122.52 mm / 4.82 In	13 days	1016 mb / 30 In
2013	13°C / 56°F	4°C / 40°F	9°C / 47°F	121 hours	158.00 mm / 6.22 In	12 days	1020 mb / 31 In
2014	15°C / 59°F	5°C / 41°F	9°C / 49°F	156 hours	133.60 mm / 5.26 In	10 days	1017 mb / 31 In
2015	14°C / 57°F	4°C / 40°F	9°C / 48°F	169 hours	71.30 mm / 2.81 In	9 days	1018 mb / 31 In
2016	17°C / 62°F	7°C / 44°F	11°C / 52°F	129 hours	41.70 mm / 1.64 In	5 days	1018 mb / 31 In
2017	13°C / 55°F	5°C / 40°F	9°C / 47°F	42 hours	172.60 mm / 6.80 In	19 days	1016 mb / 30 In
2018	14°C / 57°F	6°C / 42°F	10°C / 49°F	92 hours	183.00 mm / 7.20 In	14 days	1016 mb / 30 In
2019	14°C / 58°F	6°C / 42°F	10°C / 50°F	108 hours	122.55 mm / 4.82 In	14 days	1017 mb / 31 In
2020	15°C / 59°F	6°C / 42°F	10°C / 50°F	119 hours	47.70 mm / 1.88 In	3 days	1018 mb / 31 In
2021	15°C / 60°F	6°C / 42°F	10°C / 51°F	143 hours	36.70 mm / 1.44 In	3 days	1019 mb / 31 In
2022	12°C / 54°F	3°C / 37°F	7°C / 45°F	46 hours	121.20 mm / 4.77 In	15 days	1017 mb / 31 In
2023	12°C / 54°F	4°C / 40°F	8°C / 46°F	62 hours	146.80 mm / 5.78 In	14 days	1017 mb / 30 In
2024	13°C / 56°F	5°C / 40°F	9°C / 48°F	109 hours	55.06 mm / 2.17 In	3 days	1019 mb / 31 In

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