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Weather on March 31

Joliet, IL

55 Years of Data

Avg High
56°F
Avg Low
36°F
Warmest
1998
69°F avg
Coldest
1987
27°F avg

About This Date

March 31st in Joliet, IL typically brings cool spring weather, with average highs around 56°F and lows near 36°F. Over 55 years of records, the warmest March 31st was in 1998 (69°F average), while the coldest was 1987 (27°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 44% of March 31st dates historically, with the wettest March 31st recording 4.83" of rain. The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.

The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.

Planning for March 31st in Joliet, IL? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Warming Trend
0.3°F per decade on this date
YearHighLowAvgPrecipSnow
202678°55°66°
202551°37°44°0.36"
202462°38°50°
202358°27°42°0.13"
202260°37°49°4.83"
202166°34°50°
202042°37°40°
201945°24°34°
201849°33°41°
201748°37°43°1.83"
201660°41°51°0.76"
201563°32°47°
201456°26°41°
201358°30°44°0.03"
201261°39°50°0.05"
201148°25°36°
201063°32°47°
200951°28°40°
200851°35°43°0.38"
200758°48°53°
200672°36°54°0.18"
200576°46°61°0.25"
200456°38°47°1.4"
200346°27°36°
200253°31°42°
200154°39°46°0.03"
200067°32°49°
199972°40°56°
1998warmest78°61°69°0.51"
199748°34°41°0.1"
199654°37°45°
199545°30°37°0.03"
199443°27°35°
199368°40°54°0.33"
199251°32°42°
199143°32°37°0.03"
199046°39°43°
198951°36°43°
198851°30°41°0.05"
1987coldest37°18°27°
198684°49°66°
198540°36°38°0.64"
198444°26°35°
198342°35°39°
198263°46°54°1.14"
198160°45°52°
198046°32°39°0.61"
197965°38°51°0.66"
197857°31°44°
197753°39°46°
197660°33°47°0.1"
197453°31°42°
197358°40°49°1.63"
197245°32°38°
197175°41°58°
55 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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