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Weather on May 1

Joliet, IL

55 Years of Data

Avg High
65°F
Avg Low
44°F
Warmest
2013
72°F avg
Coldest
1979
37°F avg

About This Date

May 1st in Joliet, IL typically brings mild spring weather, with average highs around 65°F and lows near 44°F. Over 54 years of records, the warmest May 1st was in 2013 (72°F average), while the coldest was 1979 (37°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 41% of May 1st dates historically, with the wettest May 1st recording 5.18" of rain. The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.

The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.

Planning for May 1st in Joliet, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

YearHighLowAvgPrecipSnow
202652°43°47°
202571°55°63°
202475°47°61°
202348°38°43°0.51"
202272°51°61°1.42"
202164°42°53°
202059°36°47°
201953°41°47°5.18"
201879°38°58°
201759°40°49°2.67"
201649°46°47°1.63"
201552°36°44°
201452°42°47°0.05"
2013warmest84°59°72°
201262°43°52°1.27"
201173°49°61°
201070°59°64°0.08"
200968°49°58°0.99"
200864°36°50°
200773°52°62°
200660°54°57°1.02"
200556°35°45°
200466°44°55°0.86"
200373°50°62°2.84"
200263°43°53°0.05"
200185°51°68°0.03"
200074°49°61°
199967°44°55°
199863°52°57°
199775°34°54°1.02"
199656°37°46°
199549°40°44°
199444°34°39°1.5"
199372°45°58°
199270°47°58°
199160°40°50°0.13"
199071°45°58°
198963°38°50°
198875°40°57°
198759°40°49°
198679°48°63°0.74"
198579°42°60°0.08"
198459°40°49°
198363°43°53°
198159°42°51°0.08"
198061°40°50°
1979coldest42°32°37°
197854°30°42°
197774°46°60°
197662°44°53°
197465°43°54°
197376°50°63°4.32"
197272°51°61°0.08"
197165°48°56°
54 years of data from JOLIET

Joliet, IL Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

10°30°50°70°90°JFMAMJJASOND
Avg high Avg low

Joliet, IL Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"5.7"11.3"JFMAMJJASOND1.5"0"
Rain (in) Snow (in)

Joliet, IL Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Joliet, IL

Joliet, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

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