Hot-summer humid continental climate
Climate Sugar Grove - Illinois
Annual high59ºF
Annual low38ºF
Precipitation36.86 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 29 | 13 | 1.47 |
| Feb | 34 | 16 | 1.62 |
| Mar | 47 | 27 | 2.23 |
| Apr | 60 | 37 | 3.30 |
| May | 71 | 47 | 4.26 |
| Jun | 80 | 58 | 4.01 |
| Jul | 83 | 60 | 4.19 |
| Aug | 81 | 59 | 4.12 |
| Sep | 75 | 51 | 3.44 |
| Oct | 62 | 39 | 3.12 |
| Nov | 48 | 28 | 3.14 |
| Dec | 33 | 17 | 1.96 |
- JanHigh 29ºFLow 13ºFPrecip 1.47 inch
- FebHigh 34ºFLow 16ºFPrecip 1.62 inch
- MarHigh 47ºFLow 27ºFPrecip 2.23 inch
- AprHigh 60ºFLow 37ºFPrecip 3.30 inch
- MayHigh 71ºFLow 47ºFPrecip 4.26 inch
- JunHigh 80ºFLow 58ºFPrecip 4.01 inch
- JulHigh 83ºFLow 60ºFPrecip 4.19 inch
- AugHigh 81ºFLow 59ºFPrecip 4.12 inch
- SepHigh 75ºFLow 51ºFPrecip 3.44 inch
- OctHigh 62ºFLow 39ºFPrecip 3.12 inch
- NovHigh 48ºFLow 28ºFPrecip 3.14 inch
- DecHigh 33ºFLow 17ºFPrecip 1.96 inch
Climate summary
What is the average weather in Sugar Grove, Illinois?
Sugar Grove experiences a humid continental climate, marked by very strong seasonal temperature swings due to its inland location. Summers are warm and bring the most precipitation, contributing to a fairly wet annual total. Winters are cold, with precipitation spread relatively evenly throughout the year.
Sugar Grove weather averages
Annual high59ºF
Annual low38ºF
Precipitation36.86 inch
Daily normals Sugar Grove - Illinois - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 31.7 | 17.0 | 0.05 | 0.05 |
| Jan 2 | 31.5 | 16.8 | 0.10 | 0.10 |
| Jan 3 | 31.4 | 16.6 | 0.15 | 0.15 |
| Jan 4 | 31.2 | 16.4 | 0.19 | 0.19 |
| Jan 5 | 31.1 | 16.2 | 0.24 | 0.24 |
| Jan 6 | 30.9 | 16.0 | 0.29 | 0.29 |
| Jan 7 | 30.8 | 15.7 | 0.33 | 0.33 |
| Jan 8 | 30.7 | 15.5 | 0.38 | 0.38 |
| Jan 9 | 30.6 | 15.4 | 0.42 | 0.42 |
| Jan 10 | 30.5 | 15.2 | 0.47 | 0.47 |
| Jan 11 | 30.4 | 15.0 | 0.51 | 0.51 |
| Jan 12 | 30.3 | 14.8 | 0.55 | 0.55 |
| Jan 13 | 30.2 | 14.6 | 0.59 | 0.59 |
| Jan 14 | 30.2 | 14.5 | 0.63 | 0.63 |
| Jan 15 | 30.1 | 14.3 | 0.67 | 0.67 |
| Jan 16 | 30.1 | 14.2 | 0.71 | 0.71 |
| Jan 17 | 30.0 | 14.1 | 0.75 | 0.75 |
| Jan 18 | 30.0 | 14.0 | 0.79 | 0.79 |
| Jan 19 | 30.0 | 13.9 | 0.83 | 0.83 |
| Jan 20 | 30.0 | 13.8 | 0.87 | 0.87 |
| Jan 21 | 30.0 | 13.8 | 0.91 | 0.91 |
| Jan 22 | 30.0 | 13.7 | 0.95 | 0.95 |
| Jan 23 | 30.1 | 13.7 | 0.99 | 0.99 |
| Jan 24 | 30.1 | 13.7 | 1.03 | 1.03 |
| Jan 25 | 30.2 | 13.7 | 1.07 | 1.07 |
| Jan 26 | 30.3 | 13.7 | 1.11 | 1.11 |
| Jan 27 | 30.4 | 13.7 | 1.14 | 1.14 |
| Jan 28 | 30.5 | 13.8 | 1.18 | 1.18 |
| Jan 29 | 30.6 | 13.9 | 1.22 | 1.22 |
| Jan 30 | 30.7 | 14.0 | 1.26 | 1.26 |
| Jan 31 | 30.9 | 14.1 | 1.30 | 1.30 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Sugar Grove - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 71.1 | 61.0 | – |
| Oct 2 | 66.9 | 46.0 | 0.00 |
| Oct 3 | 71.1 | 42.1 | 0.00 |
| Oct 4 | – | – | – |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | 81.0 | 48.0 | 0.00 |
| Oct 8 | 73.9 | 44.1 | 0.00 |
| Oct 9 | 72.0 | 46.9 | T |
| Oct 10 | 82.0 | 54.0 | 0.00 |
| Oct 11 | 79.0 | 46.9 | 0.00 |
| Oct 12 | 88.0 | 53.1 | 0.00 |
| Oct 13 | 79.0 | 63.0 | 0.28 |
| Oct 14 | 66.9 | 57.9 | 0.01 |
| Oct 15 | 64.9 | 55.0 | 0.77 |
| Oct 16 | 57.0 | 39.9 | 0.02 |
| Oct 17 | – | – | – |
| Oct 18 | 64.0 | 33.1 | 0.00 |
| Oct 19 | – | – | – |
| Oct 20 | – | – | – |
| Oct 21 | 71.1 | 36.0 | 0.00 |
| Oct 22 | 73.0 | 41.0 | 0.00 |
| Oct 23 | 72.0 | 42.1 | 0.00 |
| Oct 24 | 69.1 | 45.0 | 0.00 |
| Oct 25 | 73.9 | 45.0 | 0.00 |
| Oct 26 | 64.9 | 45.0 | 0.00 |
| Oct 27 | 70.0 | 46.0 | 0.00 |
| Oct 28 | 75.9 | 45.0 | 0.00 |
| Oct 29 | 69.1 | 39.0 | 0.00 |
| Oct 30 | 57.0 | 37.0 | T |
| Oct 31 | – | – | – |
The data for October 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature88.0ºF · Oct 12
- Lowest max temperature57.0ºF · Oct 16
- Highest min temperature63.0ºF · Oct 13
- Lowest min temperature33.1ºF · Oct 18
Geo Sugar Grove - Illinois
Location
- Country
- United States
- State
- Illinois
- County
- –
- City
- Sugar Grove
- Zip Code
- 60554
- Elevation
- 722 ft
- Longitude
- -88.44
- Latitude
- 41.76
- ICAO
- –
- IATA
- –