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Weather on March 15

Naperville, IL

55 Years of Data

Avg High
51°F
Avg Low
29°F
Warmest
2012
68°F avg
Coldest
1979
18°F avg

About This Date

March 15th in Naperville, IL typically brings cool spring weather, with average highs around 51°F and lows near 29°F. Over 56 years of records, the warmest March 15th was in 2012 (68°F average), while the coldest was 1979 (18°F) — a 50°F range across recorded history. Precipitation has occurred on 27% of recorded March 15th dates, with snow falling 2% of the time. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.

Planning for March 15th in Naperville, IL? Bring layers as temperatures can vary throughout the day.

Warming Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
202647°32°39°
202579°48°63°1.32"
202469°35°52°0.56"
202337°17°27°
202263°31°47°
202147°33°40°
202037°31°34°
201964°37°51°0.58"
201848°23°36°
201728°14°21°
201655°44°50°0.03"
201560°30°45°
201453°28°41°
201336°22°29°
2012warmest80°55°68°
201145°25°35°
201051°40°45°
200959°20°39°
200860°25°42°
200741°28°35°0.46"
200644°24°34°
200542°19°31°
200444°23°34°
200356°27°41°
200266°37°52°0.05"
200151°36°43°0.23"
200066°40°53°
199946°18°32°
199836°14°25°
199728°12°20°
199662°26°44°
199575°38°56°
199452°35°43°
199347°28°
199238°20°29°
199146°25°35°
199066°52°59°0.33"
198955°19°37°2.13"
198830°16°23°
198738°31°34°0.2"
198644°35°40°
198550°22°36°
198449°32°40°0.18"
198351°25°38°
198244°34°39°
198163°32°47°
198043°20°31°
1979coldest27°18°
197838°32°35°0.03"
197769°48°59°
197646°24°35°
197546°14°30°
197444°35°40°0.15"
197370°47°58°
197240°24°32°0.15"
197162°35°49°0.58"0.2"
56 years of data from LISLE - MORTON ARBORETUM

Naperville, IL Temperature Range by Month

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

0°20°40°60°80°JFMAMJJASOND
Avg high Avg low

Naperville, IL Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"5.8"11.5"JFMAMJJASOND2.0"0"
Rain (in) Snow (in)

Naperville, 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 Naperville, IL

Naperville, 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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