Hot-summer humid continental climate
Climate Decatur - Indiana
Annual high60ºF
Annual low40ºF
Precipitation37 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 33 | 17 | 2.05 | 8 |
| Feb | 36 | 19 | 1.91 | 7 |
| Mar | 47 | 28 | 2.51 | 4 |
| Apr | 60 | 39 | 3.47 | 1 |
| May | 71 | 49 | 4.30 | 0 |
| Jun | 81 | 60 | 4.09 | 0 |
| Jul | 84 | 62 | 4.13 | 0 |
| Aug | 82 | 60 | 3.35 | 0 |
| Sep | 76 | 52 | 2.82 | 0 |
| Oct | 64 | 41 | 2.78 | 0 |
| Nov | 50 | 32 | 2.98 | 1 |
| Dec | 36 | 22 | 2.61 | 7 |
- JanHigh 33ºFLow 17ºFPrecip 2.05 inch
- FebHigh 36ºFLow 19ºFPrecip 1.91 inch
- MarHigh 47ºFLow 28ºFPrecip 2.51 inch
- AprHigh 60ºFLow 39ºFPrecip 3.47 inch
- MayHigh 71ºFLow 49ºFPrecip 4.30 inch
- JunHigh 81ºFLow 60ºFPrecip 4.09 inch
- JulHigh 84ºFLow 62ºFPrecip 4.13 inch
- AugHigh 82ºFLow 60ºFPrecip 3.35 inch
- SepHigh 76ºFLow 52ºFPrecip 2.82 inch
- OctHigh 64ºFLow 41ºFPrecip 2.78 inch
- NovHigh 50ºFLow 32ºFPrecip 2.98 inch
- DecHigh 36ºFLow 22ºFPrecip 2.61 inch
Climate summary
What is the average weather in Decatur, Indiana?
Decatur experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are warm, while winters are cold and bring regular snowfall. Precipitation is fairly wet overall, with a moderate pattern of wetter conditions in summer, and winter moisture often arriving as snow.
Decatur weather averages
Annual high60ºF
Annual low40ºF
Precipitation37 inch
Snowfall28 inch
Daily normals Decatur - Indiana - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 34.1 | 20.3 | 0.09 | 0.09 | 0.20 | 0.20 |
| Jan 2 | 34.0 | 20.1 | 0.18 | 0.18 | 0.50 | 0.50 |
| Jan 3 | 33.8 | 19.9 | 0.28 | 0.28 | 0.80 | 0.80 |
| Jan 4 | 33.7 | 19.7 | 0.37 | 0.37 | 1.00 | 1.00 |
| Jan 5 | 33.6 | 19.5 | 0.46 | 0.46 | 1.30 | 1.30 |
| Jan 6 | 33.5 | 19.3 | 0.56 | 0.56 | 1.60 | 1.60 |
| Jan 7 | 33.4 | 19.1 | 0.65 | 0.65 | 1.90 | 1.90 |
| Jan 8 | 33.3 | 18.9 | 0.74 | 0.74 | 2.10 | 2.10 |
| Jan 9 | 33.2 | 18.8 | 0.83 | 0.83 | 2.40 | 2.40 |
| Jan 10 | 33.1 | 18.6 | 0.92 | 0.92 | 2.70 | 2.70 |
| Jan 11 | 33.1 | 18.5 | 1.01 | 1.01 | 3.00 | 3.00 |
| Jan 12 | 33.0 | 18.3 | 1.10 | 1.10 | 3.30 | 3.30 |
| Jan 13 | 32.9 | 18.2 | 1.18 | 1.18 | 3.60 | 3.60 |
| Jan 14 | 32.9 | 18.1 | 1.26 | 1.26 | 3.90 | 3.90 |
| Jan 15 | 32.8 | 18.0 | 1.34 | 1.34 | 4.20 | 4.20 |
| Jan 16 | 32.8 | 17.9 | 1.42 | 1.42 | 4.60 | 4.60 |
| Jan 17 | 32.8 | 17.8 | 1.50 | 1.50 | 4.90 | 4.90 |
| Jan 18 | 32.8 | 17.7 | 1.58 | 1.58 | 5.20 | 5.20 |
| Jan 19 | 32.7 | 17.7 | 1.66 | 1.66 | 5.50 | 5.50 |
| Jan 20 | 32.7 | 17.6 | 1.73 | 1.73 | 5.80 | 5.80 |
| Jan 21 | 32.7 | 17.6 | 1.80 | 1.80 | 6.20 | 6.20 |
| Jan 22 | 32.7 | 17.5 | 1.88 | 1.88 | 6.50 | 6.50 |
| Jan 23 | 32.8 | 17.5 | 1.95 | 1.95 | 6.80 | 6.80 |
| Jan 24 | 32.8 | 17.5 | 2.03 | 2.03 | 7.10 | 7.10 |
| Jan 25 | 32.8 | 17.5 | 2.10 | 2.10 | 7.40 | 7.40 |
| Jan 26 | 32.8 | 17.6 | 2.18 | 2.18 | 7.70 | 7.70 |
| Jan 27 | 32.9 | 17.6 | 2.24 | 2.24 | 8.00 | 8.00 |
| Jan 28 | 33.0 | 17.6 | 2.31 | 2.31 | 8.30 | 8.30 |
| Jan 29 | 33.0 | 17.7 | 2.38 | 2.38 | 8.60 | 8.60 |
| Jan 30 | 33.1 | 17.8 | 2.44 | 2.44 | 8.90 | 8.90 |
| Jan 31 | 33.2 | 17.8 | 2.51 | 2.51 | 9.20 | 9.20 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Decatur - November 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Nov 1 | 57.9 | 48.9 | 0.02 |
| Nov 2 | 66.9 | 48.0 | T |
| Nov 3 | 61.0 | 54.0 | 0.00 |
| Nov 4 | 75.9 | 57.9 | 0.07 |
| Nov 5 | 68.0 | 53.1 | 0.12 |
| Nov 6 | 60.1 | 44.1 | T |
| Nov 7 | 51.1 | 41.0 | T |
| Nov 8 | 52.0 | 37.0 | 0.00 |
| Nov 9 | 60.1 | 37.0 | 0.00 |
| Nov 10 | 60.1 | 36.0 | 0.00 |
| 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 temperature75.9ºF · Nov 4
- Lowest max temperature51.1ºF · Nov 7
- Highest min temperature57.9ºF · Nov 4
- Lowest min temperature36.0ºF · Nov 10
Geo Decatur - Indiana
Location
- Country
- United States
- State
- Indiana
- County
- –
- City
- Decatur
- Zip Code
- 46733
- Elevation
- 804 ft
- Longitude
- -84.93
- Latitude
- 40.83
- ICAO
- –
- IATA
- –