Climate averages 1991–2020

Lafayette (Indiana), United States weather
in July.

A hot, wet month: the warmest and the 9th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 28.1°C Daytime mean, July
Average low 19.0°C Night-time mean, July
Rainfall 92 mm 11 days with ≥1 mm
Daylight 15 h Sunrise to sunset, per day
Every month in Lafayette · average highYear overview

July is a hot month in Lafayette (Indiana), United States: daytime highs average 28.1°C and nights cool to about 19.0°C. By daytime temperature it is the warmest month of the year.

Expect about 92 mm of rain on roughly 11 days, which makes July a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 45 min on an average July day.

The nearest other city in this atlas is Carmel (81 km away). In July its highs average 28.1°C, about as warm as Lafayette (Indiana), United States, with 87 mm of rain.

Among the 498 cities listed in the United States, Lafayette (Indiana), United States ranks joint 354th of 498 for the warmest July highs and joint 330th of 498 for the driest July (rainfall, lowest first). The mean July high of those 498 cities is 30.3°C; Lafayette (Indiana), United States is 2.2°C cooler than that mean.

From July to August, average highs fall by 0.5°C to 27.6°C, and monthly rainfall falls from 92 mm to 82 mm.

The annual picture

July in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -10-505101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Lafayette (Indiana), United States climate table

1991–2020
Monthly climate averages for Lafayette (Indiana), United States, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 1.1°C-6.8°C-6.8°C709.19.610 h
February 3.7°C-5.4°C-5.4°C598.210.611 h
March 9.7°C-0.4°C-0.4°C8410.411.912 h
April 16.4°C5.7°C5.7°C10911.713.313 h
May 21.9°C11.9°C11.9°C10913.314.414 h
June 26.4°C17.0°C17.0°C11012.815.015 h
July, selected 28.1°C19.0°C19.0°C9211.214.715 h
August 27.6°C18.4°C18.4°C829.813.814 h
September 24.5°C14.7°C14.7°C688.112.513 h
October 17.7°C8.5°C8.5°C799.011.211 h
November 10.0°C2.0°C2.0°C788.510.010 h
December 3.7°C-3.6°C-3.6°C649.29.39 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

July in nearby cities

Distance from Lafayette

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Lafayette) is explained once on the Lafayette (Indiana), United States year overview and on the Sources, method and limits page.