Unlock deeper multi-jurisdiction research
Full sub-pages, saves, and alerts are available on paid plans.
Weather & Climate
Bloomington, Illinois, United States
Overview
Climate data and monthly weather averages for Bloomington.
Key Metrics
Annual Avg
10.8°C
Summer Avg
22.9°C
Winter Avg
-2.5°C
Record High
41.6°C
Record Low
-30.9°C
Annual Precipitation
997.8 mm
Avg Humidity
78%
Summer Humidity
75%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 18.2° | -4° | -30.9° | 54.6 | 85% | 58 | 59.5 |
| Feb | 19.9° | -2.3° | -26.4° | 52.1 | 83% | 76 | 65.7 |
| Mar | 26.7° | 4.2° | -22.6° | 68.5 | 79% | 114 | 66.5 |
| Apr | 28.4° | 11° | -6.6° | 99.3 | 75% | 145 | 63.3 |
| May | 33.5° | 16.9° | -2.2° | 114.7 | 77% | 171 | 59.3 |
| Jun | 41.2° | 21.9° | 4.2° | 117.6 | 77% | 188 | 52.2 |
| Jul | 41.6° | 23.8° | 9.2° | 100.8 | 76% | 195 | 38.1 |
| Aug | 38.6° | 23° | 7.7° | 90.5 | 73% | 172 | 36.5 |
| Sep | 38.1° | 19.2° | 2.6° | 84.6 | 72% | 138 | 44.9 |
| Oct | 31.9° | 11.8° | -7.4° | 87.1 | 73% | 97 | 54.1 |
| Nov | 25.1° | 4.8° | -12.8° | 66.3 | 78% | 64 | 59.7 |
| Dec | 20.6° | -1.2° | -25° | 61.7 | 85% | 48 | 70.3 |
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.