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Rock Island Weather

Records and Averages

View: English | Metric
MonthAvg. HighAvg. LowAvg. PrecipRec. HighRec. Low
January30.0° F13.0° F1.28 in69.0° F(01/31/1989)-17.0° F (01/19/1994)
February36.0° F19.0° F1.41 in70.0° F(02/26/2000)-22.0° F (02/03/1996)
March48.0° F29.0° F2.59 in88.0° F(03/29/1986)-3.0° F (03/04/2002)
April61.0° F41.0° F3.64 in93.0° F(04/25/1986)19.0° F (04/07/2007)
May72.0° F52.0° F4.44 in95.0° F(05/29/2006)32.0° F (05/06/1989)
June81.0° F63.0° F4.75 in100.0° F(06/25/1988)44.0° F (06/21/1992)
July85.0° F68.0° F2.99 in103.0° F(07/18/2006)53.0° F (07/27/1994)
August83.0° F66.0° F4.31 in100.0° F(08/17/1988)44.0° F (08/15/1992)
September76.0° F57.0° F2.90 in98.0° F(09/01/2000)35.0° F (09/18/1991)
October65.0° F45.0° F2.39 in95.0° F(10/04/1997)22.0° F (10/24/1988)
November48.0° F32.0° F2.47 in80.0° F(11/01/2000)8.0° F (11/29/1989)
December35.0° F20.0° F1.93 in72.0° F(12/05/1998)-18.0° F (12/21/1989)

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