Hot-summer humid continental climate
Climate Galesburg - Illinois
Annual high59ºF
Annual low40ºF
Precipitation38.08 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 30 | 13 | 1.51 | 8 |
| Feb | 35 | 17 | 1.63 | 6 |
| Mar | 48 | 28 | 2.76 | 2 |
| Apr | 62 | 40 | 3.72 | 0 |
| May | 72 | 51 | 4.45 | 0 |
| Jun | 81 | 61 | 4.30 | 0 |
| Jul | 84 | 65 | 4.38 | 0 |
| Aug | 82 | 63 | 3.97 | 0 |
| Sep | 75 | 54 | 3.47 | 0 |
| Oct | 63 | 42 | 2.75 | 0 |
| Nov | 48 | 30 | 2.87 | 1 |
| Dec | 34 | 18 | 2.27 | 6 |
- JanHigh 30ºFLow 13ºFPrecip 1.51 inch
- FebHigh 35ºFLow 17ºFPrecip 1.63 inch
- MarHigh 48ºFLow 28ºFPrecip 2.76 inch
- AprHigh 62ºFLow 40ºFPrecip 3.72 inch
- MayHigh 72ºFLow 51ºFPrecip 4.45 inch
- JunHigh 81ºFLow 61ºFPrecip 4.30 inch
- JulHigh 84ºFLow 65ºFPrecip 4.38 inch
- AugHigh 82ºFLow 63ºFPrecip 3.97 inch
- SepHigh 75ºFLow 54ºFPrecip 3.47 inch
- OctHigh 63ºFLow 42ºFPrecip 2.75 inch
- NovHigh 48ºFLow 30ºFPrecip 2.87 inch
- DecHigh 34ºFLow 18ºFPrecip 2.27 inch
Climate summary
What is the average weather in Galesburg, Illinois?
Galesburg experiences a humid continental climate, marked by very strong seasonal temperature contrasts. Summers are warm and fairly wet, with precipitation peaking in May. Winters are cold and bring regular snowfall, with January typically being the driest month. Precipitation is spread relatively evenly throughout the year, with winter moisture often arriving as snow.
Galesburg weather averages
Annual high59ºF
Annual low40ºF
Precipitation38.08 inch
Snowfall23 inch
Daily normals Galesburg - Illinois - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 31.1 | 16.1 | 0.06 | 0.06 | 0.30 | 0.30 |
| Jan 2 | 30.9 | 15.9 | 0.12 | 0.12 | 0.60 | 0.60 |
| Jan 3 | 30.8 | 15.6 | 0.17 | 0.17 | 0.80 | 0.80 |
| Jan 4 | 30.6 | 15.4 | 0.23 | 0.23 | 1.10 | 1.10 |
| Jan 5 | 30.5 | 15.2 | 0.29 | 0.29 | 1.40 | 1.40 |
| Jan 6 | 30.3 | 15.0 | 0.35 | 0.35 | 1.80 | 1.80 |
| Jan 7 | 30.2 | 14.8 | 0.41 | 0.41 | 2.10 | 2.10 |
| Jan 8 | 30.1 | 14.5 | 0.47 | 0.47 | 2.40 | 2.40 |
| Jan 9 | 30.0 | 14.3 | 0.53 | 0.53 | 2.80 | 2.80 |
| Jan 10 | 29.9 | 14.2 | 0.59 | 0.59 | 3.10 | 3.10 |
| Jan 11 | 29.8 | 14.0 | 0.65 | 0.65 | 3.40 | 3.40 |
| Jan 12 | 29.7 | 13.8 | 0.71 | 0.71 | 3.70 | 3.70 |
| Jan 13 | 29.7 | 13.7 | 0.77 | 0.77 | 4.00 | 4.00 |
| Jan 14 | 29.6 | 13.5 | 0.82 | 0.82 | 4.30 | 4.30 |
| Jan 15 | 29.6 | 13.4 | 0.88 | 0.88 | 4.60 | 4.60 |
| Jan 16 | 29.6 | 13.3 | 0.94 | 0.94 | 4.90 | 4.90 |
| Jan 17 | 29.5 | 13.1 | 0.99 | 0.99 | 5.20 | 5.20 |
| Jan 18 | 29.5 | 13.1 | 1.05 | 1.05 | 5.60 | 5.60 |
| Jan 19 | 29.5 | 13.0 | 1.10 | 1.10 | 5.90 | 5.90 |
| Jan 20 | 29.5 | 12.9 | 1.15 | 1.15 | 6.20 | 6.20 |
| Jan 21 | 29.6 | 12.9 | 1.20 | 1.20 | 6.40 | 6.40 |
| Jan 22 | 29.6 | 12.9 | 1.25 | 1.25 | 6.70 | 6.70 |
| Jan 23 | 29.7 | 12.8 | 1.30 | 1.30 | 6.90 | 6.90 |
| Jan 24 | 29.7 | 12.9 | 1.36 | 1.36 | 7.20 | 7.20 |
| Jan 25 | 29.8 | 12.9 | 1.41 | 1.41 | 7.50 | 7.50 |
| Jan 26 | 29.9 | 12.9 | 1.46 | 1.46 | 7.70 | 7.70 |
| Jan 27 | 30.0 | 13.0 | 1.50 | 1.50 | 8.00 | 8.00 |
| Jan 28 | 30.1 | 13.1 | 1.55 | 1.55 | 8.30 | 8.30 |
| Jan 29 | 30.2 | 13.2 | 1.60 | 1.60 | 8.50 | 8.50 |
| Jan 30 | 30.4 | 13.3 | 1.64 | 1.64 | 8.80 | 8.80 |
| Jan 31 | 30.5 | 13.4 | 1.69 | 1.69 | 9.00 | 9.00 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Galesburg - November 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Nov 1 | 62.1 | 53.1 | 0.12 |
| Nov 2 | – | – | – |
| Nov 3 | – | – | – |
| Nov 4 | – | – | – |
| Nov 5 | – | – | – |
| Nov 6 | – | – | – |
| Nov 7 | – | – | – |
| Nov 8 | – | – | – |
| Nov 9 | – | – | – |
| Nov 10 | – | – | – |
| Nov 11 | – | – | – |
| Nov 12 | – | – | – |
| Nov 13 | – | – | – |
| Nov 14 | – | – | – |
| Nov 15 | – | – | – |
| Nov 16 | – | – | – |
| Nov 17 | – | – | – |
| Nov 18 | – | – | – |
| Nov 19 | – | – | – |
| Nov 20 | – | – | – |
| Nov 21 | – | – | – |
| Nov 22 | – | – | – |
| Nov 23 | – | – | – |
| Nov 24 | – | – | – |
| Nov 25 | – | – | – |
| Nov 26 | – | – | – |
| Nov 27 | – | – | – |
| Nov 28 | – | – | – |
| Nov 29 | – | – | – |
| Nov 30 | – | – | – |
The data for November 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 temperature62.1ºF · Nov 1
- Lowest max temperature62.1ºF · Nov 1
- Highest min temperature53.1ºF · Nov 1
- Lowest min temperature53.1ºF · Nov 1
Geo Galesburg - Illinois
Location
- Country
- United States
- State
- Illinois
- County
- Knox
- City
- Galesburg
- Zip Code
- 61401
- Elevation
- 761 ft
- Longitude
- -90.43
- Latitude
- 40.94
- ICAO
- –
- IATA
- –