Joliet weather in June: Joliet, Illinois: normal highs, lows, rain and records for June

Joliet in June has a normal high of 80°F and a normal low of 60°F, a daily mean of 70°F, rising from 76°F on the 1st to 83°F by the 30th. Measurable precipitation falls on 11 days in a normal June, 4.30 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 27°C and low of 16°C, 109 mm of precipitation in June.

  • NOAA stationJoliet Brandon Rd Dam
  • Station IDUSC00114530
  • Location41.50°N 88.10°W
  • Elevation543 ft (166 m)
  • Population151,837
  1. Jan 31° 17°
  2. Feb 35° 20°
  3. Mar 47° 29°
  4. Apr 60° 39°
  5. May 71° 49°
  6. Jun 80° 60°
  7. Jul 84° 64°
  8. Aug 82° 63°
  9. Sep 76° 55°
  10. Oct 63° 43°
  11. Nov 49° 32°
  12. Dec 36° 22°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Joliet in June?

The normal high is 80°F and the normal low 60°F, for a daily mean of 70.1°F. June is 9.9°F warmer than May and 3.8°F cooler than July. June is the 3rd warmest month of the year in Joliet and the 3rd wettest. Across the month the normal high rises 7°F, from 76°F on June 1 to 83°F on June 30. From one year to the next June's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Junes in three average between 68°F and 72°F.

Joliet in June, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 38%).

Normal high and low on five days of June, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
June 176°F55°F38%25%
June 879°F58°F37%24%
June 1581°F60°F35%23%
June 2282°F62°F33%22%
June 3083°F64°F31%21%
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 30, coldest night June 1)
Joliet: NOAA 1991-2020 daily normals for each day of June
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
June 176°F55°F38%25%15 h
June 277°F56°F38%25%15 h
June 377°F56°F38%25%15 h
June 477°F56°F38%24%15 h
June 578°F57°F37%24%15 h
June 678°F57°F37%24%15 h
June 778°F57°F37%24%15 h
June 879°F58°F37%24%15 h
June 979°F58°F36%24%15 h 10 min
June 1079°F58°F36%24%15 h 10 min
June 1179°F59°F36%24%15 h 10 min
June 1280°F59°F36%24%15 h 10 min
June 1380°F59°F36%23%15 h 10 min
June 1480°F60°F35%23%15 h 10 min
June 1581°F60°F35%23%15 h 10 min
June 1681°F60°F35%23%15 h 10 min
June 1781°F61°F34%23%15 h 10 min
June 1881°F61°F34%23%15 h 10 min
June 1981°F61°F34%23%15 h 10 min
June 2082°F62°F34%23%15 h 10 min
June 2182°F62°F33%22%15 h 10 min
June 2282°F62°F33%22%15 h 10 min
June 2382°F62°F33%22%15 h 10 min
June 2483°F62°F33%22%15 h 10 min
June 2583°F63°F32%22%15 h 10 min
June 2683°F63°F32%22%15 h 10 min
June 2783°F63°F32%22%15 h 10 min
June 2883°F63°F32%22%15 h 10 min
June 2983°F63°F32%21%15 h 10 min
June 3083°F64°F31%21%15 h 10 min
Normal high
80°FJune average
Normal low
60°FJune average
Precipitation
4.30 inmonth total
Days with precipitation
110.01 inch or more
Days at 90°F or more
4
Daylight
15 h to 15 h 10 minJune 1 to June 30
Days at 70°F or more
27
Days at 80°F or more
18
Sunshine
77%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00114530; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Joliet in June?

On a given June day the chance of 0.01 inch or more is 35% on average, highest around June 1 (38%). In all, 4.30 in falls on 11 days of a normal June, 1 of them with an inch or more.

In a normal June in Joliet, 4 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00114530.

What are the records for June in Joliet?

The warmest June temperature on this station's record (since 1975) is 104°F, on June 26, 1988; the coldest is 35°F, on June 13, 1985. The wettest June brought 11.69 in (1993).

The June mean against the 1991-2020 normal of 70.1°F: 2021 72.2°F (+2.1), 2022 71.1°F (+1.0), 2023 69.4°F (−0.7), 2024 71.9°F (+1.8), 2025 72.7°F (+2.6), 2026 69.5°F (−0.5). 4 of 6 ran warmer than normal.

Joliet: June in recent years against the 1991-2020 normal
JuneMeanAgainst normalPrecip.
202172.2°F+2.1°F8.08 in
202271.1°F+1.0°F2.01 in
202369.4°F−0.7°F2.62 in
202471.9°F+1.8°F5.15 in
202572.7°F+2.6°F2.86 in
202669.5°F−0.5°F8.40 in

Source: records: ACIS, station USC00114530; recent months: ACIS, station USC00114530. Records and recent months use complete months only.

How does June in Joliet compare across Illinois?

Across the 144 places PlainClimate covers in Illinois, June normal highs run from 76°F in Waukegan to 87°F in Belleville; Joliet's is 80°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places