Dekalb May Weather Averages Illinois, United States of America

May Weather Averages for Dekalb

High Temp	20°C	69°F
Low Temp	11°C	51°F
Avg Temp	16°C	60°F
Sunshine Hours	169 hours
Rainfall	158.53 mm	6.24 In
Rain days	11 days
Pressure	1015 mb	30 In

Dekalb May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	18°C / 64°F	8°C / 47°F	13°C / 56°F	185 hours	82.03 mm / 3.23 In	5 days	1011 mb / 30 In
2009	20°C / 67°F	10°C / 49°F	15°C / 58°F	213 hours	171.33 mm / 6.75 In	8 days	1015 mb / 30 In
2010	21°C / 70°F	11°C / 53°F	16°C / 61°F	202 hours	167.75 mm / 6.60 In	9 days	1015 mb / 30 In
2011	19°C / 67°F	9°C / 49°F	14°C / 58°F	152 hours	157.33 mm / 6.19 In	14 days	1013 mb / 30 In
2012	23°C / 73°F	12°C / 54°F	18°C / 64°F	248 hours	129.56 mm / 5.10 In	10 days	1014 mb / 30 In
2013	21°C / 70°F	11°C / 52°F	16°C / 61°F	152 hours	181.87 mm / 7.16 In	13 days	1014 mb / 30 In
2014	20°C / 69°F	10°C / 50°F	15°C / 59°F	189 hours	154.01 mm / 6.06 In	11 days	1015 mb / 30 In
2015	21°C / 69°F	11°C / 52°F	16°C / 61°F	157 hours	173.27 mm / 6.82 In	15 days	1018 mb / 31 In
2016	20°C / 68°F	10°C / 50°F	15°C / 59°F	169 hours	122.39 mm / 4.82 In	7 days	1015 mb / 30 In
2017	18°C / 65°F	9°C / 48°F	13°C / 56°F	165 hours	146.90 mm / 5.78 In	12 days	1012 mb / 30 In
2018	24°C / 76°F	14°C / 57°F	19°C / 66°F	196 hours	274.78 mm / 10.82 In	13 days	1014 mb / 30 In
2019	19°C / 66°F	9°C / 49°F	14°C / 58°F	114 hours	227.98 mm / 8.98 In	17 days	1014 mb / 30 In
2020	18°C / 65°F	10°C / 49°F	14°C / 57°F	105 hours	160.12 mm / 6.30 In	9 days	1016 mb / 30 In
2021	19°C / 65°F	10°C / 50°F	14°C / 58°F	104 hours	119.61 mm / 4.71 In	8 days	1019 mb / 31 In
2022	21°C / 71°F	12°C / 53°F	17°C / 62°F	153 hours	111.00 mm / 4.37 In	13 days	1013 mb / 30 In
2023	22°C / 71°F	10°C / 50°F	16°C / 60°F	207 hours	107.55 mm / 4.23 In	7 days	1018 mb / 31 In
2024	21°C / 71°F	12°C / 53°F	16°C / 61°F	170 hours	131.09 mm / 5.16 In	8 days	1011 mb / 30 In

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