Climatch

Rockford vs Waterloo, Iowa Climate

99%match

Rockford and Waterloo are a 99% climate match. Very close: temperatures within 3°F (2°C), with similar rain, humidity and sun.

Rockford gets 37 in (941 mm) of rain a year and Waterloo 35 in (901 mm). July is the warmest month in both, with highs of 84°F (29°C) in Rockford and 85°F (30°C) in Waterloo.

JanFebMarAprMayJunJulAugSepOctNovDecJFMAMJJASOND
Rockford
JanFebMarAprMayJunJulAugSepOctNovDecJFMAMJJASOND
Waterloo

Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.

Month by month

Highs and lows (°F)

RockfordWaterloosolid = high, dashed = low

0°50°100°JFMAMJJASONDRockford Jan: 29°Rockford Feb: 34°Rockford Mar: 46°Rockford Apr: 60°Rockford May: 72°Rockford Jun: 81°Rockford Jul: 84°Rockford Aug: 82°Rockford Sep: 76°Rockford Oct: 63°Rockford Nov: 47°Rockford Dec: 34°Rockford Jan: 13°Rockford Feb: 17°Rockford Mar: 27°Rockford Apr: 37°Rockford May: 49°Rockford Jun: 59°Rockford Jul: 63°Rockford Aug: 61°Rockford Sep: 53°Rockford Oct: 41°Rockford Nov: 30°Rockford Dec: 19°Waterloo Jan: 28°Waterloo Feb: 33°Waterloo Mar: 47°Waterloo Apr: 60°Waterloo May: 72°Waterloo Jun: 82°Waterloo Jul: 85°Waterloo Aug: 83°Waterloo Sep: 77°Waterloo Oct: 62°Waterloo Nov: 46°Waterloo Dec: 33°Waterloo Jan: 10°Waterloo Feb: 15°Waterloo Mar: 27°Waterloo Apr: 38°Waterloo May: 50°Waterloo Jun: 60°Waterloo Jul: 63°Waterloo Aug: 61°Waterloo Sep: 52°Waterloo Oct: 40°Waterloo Nov: 28°Waterloo Dec: 17°

Rain (in per month)

RockfordWaterloo

0246JFMAMJJASONDRockford Jan: 1.5Rockford Feb: 1.4Rockford Mar: 2.2Rockford Apr: 3.9Rockford May: 4.2Rockford Jun: 4.9Rockford Jul: 3.9Rockford Aug: 3.8Rockford Sep: 4.1Rockford Oct: 2.8Rockford Nov: 2.4Rockford Dec: 2.0Waterloo Jan: 0.9Waterloo Feb: 1.2Waterloo Mar: 2.2Waterloo Apr: 3.9Waterloo May: 4.7Waterloo Jun: 5.0Waterloo Jul: 4.5Waterloo Aug: 3.8Waterloo Sep: 3.4Waterloo Oct: 2.8Waterloo Nov: 1.8Waterloo Dec: 1.5

Monthly averages

Average monthly highs, lows and rain in Rockford and Waterloo
MonthHighLowRain
RockfordWaterlooRockfordWaterlooRockfordWaterloo
Jan29°F(-1°C)28°F(-2°C)13°F(-10°C)10°F(-12°C)1.5 in(37 mm)0.9 in(22 mm)
Feb34°F(1°C)33°F(1°C)17°F(-8°C)15°F(-10°C)1.4 in(35 mm)1.2 in(30 mm)
Mar46°F(8°C)47°F(8°C)27°F(-3°C)27°F(-3°C)2.2 in(57 mm)2.2 in(55 mm)
Apr60°F(15°C)60°F(16°C)37°F(3°C)38°F(3°C)3.9 in(100 mm)3.9 in(99 mm)
May72°F(22°C)72°F(22°C)49°F(9°C)49°F(10°C)4.2 in(106 mm)4.7 in(120 mm)
Jun81°F(27°C)82°F(28°C)58°F(15°C)60°F(15°C)4.9 in(124 mm)5.0 in(128 mm)
Jul84°F(29°C)85°F(30°C)63°F(17°C)63°F(17°C)3.9 in(98 mm)4.5 in(114 mm)
Aug82°F(28°C)83°F(28°C)61°F(16°C)61°F(16°C)3.8 in(97 mm)3.8 in(96 mm)
Sep76°F(24°C)76°F(25°C)53°F(11°C)52°F(11°C)4.1 in(104 mm)3.3 in(85 mm)
Oct63°F(17°C)62°F(17°C)41°F(5°C)40°F(5°C)2.8 in(72 mm)2.8 in(70 mm)
Nov47°F(8°C)46°F(8°C)30°F(-1°C)28°F(-2°C)2.4 in(60 mm)1.8 in(45 mm)
Dec34°F(1°C)33°F(0°C)19°F(-7°C)17°F(-9°C)2.0 in(51 mm)1.5 in(37 mm)

1991–2020 averages, by calendar month.

More comparisons

Places like Rockford →Places like Waterloo →