Waterloo climate

Waterloo Weather in June

NOAA 1991-2020 normals for Valley NWS, 7.7 km from Waterloo

Average highs run from 79°F on June 1 to 86°F on June 30, and lows from 60°F to 67°F. Normal precipitation for the month is 5.29 in over about 11 wet days.

June day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Waterloo, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
83°F
Average low
64°F
Precipitation
5.29 in
Record high
101°FJun 25, 2024
Record low
45°FJun 1, 2012
Chance of a freeze
0%
Days of 90°F or more
5.4
Daylight
14 h 58 min to 15 h 07 min
Cloud cover
55%
Humidity
72%
Dew point
61°F
Wind
10.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jun 179°F60°F91°F 201845°F 201240%0%
Jun 279°F60°F93°F 201845°F 202240%0%
Jun 380°F61°F89°F 201750°F 201340%0%
Jun 480°F61°F91°F 201151°F 200940%0%
Jun 580°F61°F91°F 201752°F 201540%0%
Jun 681°F62°F95°F 201153°F 200740%0%
Jun 781°F62°F98°F 201152°F 201339%0%
Jun 881°F62°F96°F 201152°F 200739%0%
Jun 982°F63°F89°F 201648°F 200939%0%
Jun 1082°F63°F98°F 200650°F 200939%0%
Jun 1182°F63°F94°F 201652°F 201139%0%
Jun 1282°F63°F95°F 201651°F 200639%0%
Jun 1383°F64°F94°F 201648°F 201439%0%
Jun 1483°F64°F100°F 202249°F 201439%0%
Jun 1583°F64°F93°F 202253°F 202338%0%
Jun 1683°F64°F97°F 201656°F 202638%0%
Jun 1784°F65°F95°F 201654°F 200838%0%
Jun 1884°F65°F100°F 202154°F 200837%0%
Jun 1984°F65°F93°F 201257°F 200737%0%
Jun 2084°F65°F92°F 201655°F 202637%0%
Jun 2184°F66°F98°F 202557°F 202636%0%
Jun 2285°F66°F97°F 202556°F 202136%0%
Jun 2385°F66°F94°F 202557°F 201136%0%
Jun 2485°F66°F97°F 200952°F 201735%0%
Jun 2585°F66°F101°F 202453°F 201735%0%
Jun 2685°F67°F95°F 202455°F 201735%0%
Jun 2785°F67°F93°F 200553°F 201734%0%
Jun 2886°F67°F100°F 201257°F 200634%0%
Jun 2986°F67°F96°F 202357°F 200634%0%
Jun 3086°F67°F97°F 201956°F 200734%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Waterloo, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

June 1
sunrise 5:54 AM, sunset 8:52 PM
June 30
sunrise 5:55 AM, sunset 9:02 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00258795 (Valley NWS), public domain. Records: NOAA GHCN-Daily, station USC00253467, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.