Hot-summer humid continental climate
Climate Havana - Illinois
Annual high64ºF
Annual low41ºF
Precipitation39.8 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 34 | 16 | 2.08 | 8 |
| Feb | 40 | 20 | 2.10 | 7 |
| Mar | 52 | 30 | 2.81 | 3 |
| Apr | 65 | 40 | 3.67 | 1 |
| May | 75 | 51 | 4.79 | 0 |
| Jun | 85 | 61 | 4.36 | 0 |
| Jul | 89 | 65 | 4.04 | 0 |
| Aug | 87 | 62 | 3.76 | 0 |
| Sep | 80 | 53 | 3.15 | 0 |
| Oct | 68 | 41 | 3.04 | 0 |
| Nov | 53 | 32 | 3.24 | 1 |
| Dec | 38 | 20 | 2.76 | 8 |
- JanHigh 34ºFLow 16ºFPrecip 2.08 inch
- FebHigh 40ºFLow 20ºFPrecip 2.10 inch
- MarHigh 52ºFLow 30ºFPrecip 2.81 inch
- AprHigh 65ºFLow 40ºFPrecip 3.67 inch
- MayHigh 75ºFLow 51ºFPrecip 4.79 inch
- JunHigh 85ºFLow 61ºFPrecip 4.36 inch
- JulHigh 89ºFLow 65ºFPrecip 4.04 inch
- AugHigh 87ºFLow 62ºFPrecip 3.76 inch
- SepHigh 80ºFLow 53ºFPrecip 3.15 inch
- OctHigh 68ºFLow 41ºFPrecip 3.04 inch
- NovHigh 53ºFLow 32ºFPrecip 3.24 inch
- DecHigh 38ºFLow 20ºFPrecip 2.76 inch
Climate summary
What is the average weather in Havana, Illinois?
Havana experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are hot and fairly wet, with precipitation peaking in May. Winters are cold and bring regular snowfall, although winter is the driest season overall. Precipitation is spread relatively evenly through the year, with winter moisture often arriving as snow.
Havana weather averages
Annual high64ºF
Annual low41ºF
Precipitation39.8 inch
Snowfall28 inch
Daily normals Havana - Illinois - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 34.7 | 18.3 | 0.08 | 0.08 | 0.30 | 0.30 |
| Jan 2 | 34.5 | 18.2 | 0.16 | 0.16 | 0.70 | 0.70 |
| Jan 3 | 34.3 | 18.0 | 0.23 | 0.23 | 1.00 | 1.00 |
| Jan 4 | 34.2 | 17.8 | 0.31 | 0.31 | 1.30 | 1.30 |
| Jan 5 | 34.0 | 17.6 | 0.39 | 0.39 | 1.70 | 1.70 |
| Jan 6 | 33.9 | 17.4 | 0.47 | 0.47 | 2.00 | 2.00 |
| Jan 7 | 33.7 | 17.2 | 0.54 | 0.54 | 2.40 | 2.40 |
| Jan 8 | 33.6 | 17.0 | 0.61 | 0.61 | 2.70 | 2.70 |
| Jan 9 | 33.5 | 16.9 | 0.68 | 0.68 | 3.10 | 3.10 |
| Jan 10 | 33.4 | 16.7 | 0.76 | 0.76 | 3.40 | 3.40 |
| Jan 11 | 33.3 | 16.6 | 0.83 | 0.83 | 3.70 | 3.70 |
| Jan 12 | 33.2 | 16.4 | 0.90 | 0.90 | 4.00 | 4.00 |
| Jan 13 | 33.1 | 16.3 | 0.97 | 0.97 | 4.40 | 4.40 |
| Jan 14 | 33.1 | 16.1 | 1.04 | 1.04 | 4.70 | 4.70 |
| Jan 15 | 33.0 | 16.0 | 1.11 | 1.11 | 5.10 | 5.10 |
| Jan 16 | 33.0 | 15.9 | 1.18 | 1.18 | 5.40 | 5.40 |
| Jan 17 | 33.0 | 15.8 | 1.26 | 1.26 | 5.70 | 5.70 |
| Jan 18 | 32.9 | 15.7 | 1.33 | 1.33 | 6.10 | 6.10 |
| Jan 19 | 32.9 | 15.7 | 1.41 | 1.41 | 6.40 | 6.40 |
| Jan 20 | 33.0 | 15.6 | 1.48 | 1.48 | 6.70 | 6.70 |
| Jan 21 | 33.0 | 15.6 | 1.55 | 1.55 | 7.00 | 7.00 |
| Jan 22 | 33.1 | 15.6 | 1.62 | 1.62 | 7.30 | 7.30 |
| Jan 23 | 33.1 | 15.6 | 1.69 | 1.69 | 7.60 | 7.60 |
| Jan 24 | 33.2 | 15.6 | 1.76 | 1.76 | 7.90 | 7.90 |
| Jan 25 | 33.3 | 15.6 | 1.83 | 1.83 | 8.20 | 8.20 |
| Jan 26 | 33.4 | 15.6 | 1.89 | 1.89 | 8.50 | 8.50 |
| Jan 27 | 33.5 | 15.7 | 1.96 | 1.96 | 8.70 | 8.70 |
| Jan 28 | 33.7 | 15.8 | 2.02 | 2.02 | 9.00 | 9.00 |
| Jan 29 | 33.8 | 15.9 | 2.08 | 2.08 | 9.20 | 9.20 |
| Jan 30 | 34.0 | 16.0 | 2.14 | 2.14 | 9.50 | 9.50 |
| Jan 31 | 34.2 | 16.2 | 2.20 | 2.20 | 9.70 | 9.70 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Havana - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | – | – | 0.00 |
| Sep 2 | – | – | 0.00 |
| Sep 3 | – | – | 0.00 |
| Sep 4 | – | – | 0.00 |
| Sep 5 | – | – | 0.00 |
| Sep 6 | – | – | 0.00 |
| Sep 7 | – | – | 0.00 |
| Sep 8 | – | – | 0.00 |
| Sep 9 | – | – | 0.00 |
| Sep 10 | – | – | 0.20 |
| Sep 11 | – | – | 0.00 |
| Sep 12 | – | – | 0.00 |
| Sep 13 | – | – | 0.00 |
| Sep 14 | – | – | 0.00 |
| Sep 15 | – | – | 0.00 |
| Sep 16 | – | – | 1.25 |
| Sep 17 | – | – | 0.00 |
| Sep 18 | – | – | 0.00 |
| Sep 19 | – | – | 0.04 |
| Sep 20 | – | – | 0.12 |
| Sep 21 | – | – | 0.11 |
| Sep 22 | – | – | 0.00 |
| Sep 23 | – | – | 0.00 |
| Sep 24 | – | – | 0.00 |
| Sep 25 | – | – | 0.00 |
| Sep 26 | – | – | 0.00 |
| Sep 27 | – | – | 0.03 |
| Sep 28 | – | – | 0.00 |
| Sep 29 | – | – | 0.00 |
| Sep 30 | – | – | 0.15 |
The data for September 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
Geo Havana - Illinois
Location
- Country
- United States
- State
- Illinois
- County
- Mason
- City
- Havana
- Zip Code
- 62644
- Elevation
- 486 ft
- Longitude
- -90.02
- Latitude
- 40.22
- ICAO
- –
- IATA
- –