Unlock deeper multi-jurisdiction research

Full sub-pages, saves, and alerts are available on paid plans.

See plans

Weather & Climate

Delphi, Indiana, United States

Overview

Climate data and monthly weather averages for Delphi.

Key Metrics

Annual Avg
10.8°C
Summer Avg
22.6°C
Winter Avg
-2.1°C
Record High
40.5°C
Record Low
-29°C
Annual Precipitation
1051 mm
Avg Humidity
79%
Summer Humidity
77%
Winter Humidity
85%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan18.1°-3.6°-29°64.586%5566
Feb20.7°-2°-27.5°59.684%7369.1
Mar27.1°4.2°-18.5°72.980%11363.4
Apr28°10.8°-6.7°99.976%14463.6
May33.5°16.7°-3.8°110.777%17158.3
Jun40.5°21.6°2.5°124.278%18747.1
Jul40.5°23.4°7.8°109.777%19335.9
Aug36.6°22.7°101.475%17334.2
Sep36.7°19.1°2.6°77.473%13648.9
Oct31.7°11.9°-4.8°86.574%9653.1
Nov25°-12.2°73.279%6258.5
Dec20.7°-0.8°-22.1°7185%4664.2

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

Subscribe to unlock the full sub-page depth for additional jurisdictions.

You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.