Climate Aledo - Illinois
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 30 | 35 | 48 | 62 | 71 | 81 |
| Average low in ºF Av. low Lo | 13 | 17 | 27 | 38 | 49 | 59 |
| Av. precipitation in inch Av. precip. Pre. | 1.41 | 1.54 | 2.46 | 3.75 | 4.36 | 4.82 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 84 | 82 | 75 | 63 | 48 | 33 |
| Average low in ºF Av. low Lo | 63 | 61 | 52 | 41 | 29 | 17 |
| Av. precipitation in inch Av. precip. Pre. | 3.94 | 4.11 | 3.43 | 3.02 | 2.36 | 2.09 |
What is the average weather in Aledo, Illinois?
Aledo experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are warm and fairly wet, with June being the wettest month. Winters are cold, and precipitation is spread relatively evenly throughout the year, though winter is the driest season overall. The inland location amplifies these distinct seasonal temperature swings.
Aledo Climate Graph - Illinois Climate Chart
Daily normals Aledo - Illinois - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 32.1 | 15.4 | 0.06 | 0.06 | 0.20 | 0.20 |
| 2 Jan | 32.0 | 15.2 | 0.12 | 0.12 | 0.30 | 0.30 |
| 3 Jan | 31.8 | 15.0 | 0.18 | 0.18 | 0.50 | 0.50 |
| 4 Jan | 31.7 | 14.8 | 0.24 | 0.24 | 0.70 | 0.70 |
| 5 Jan | 31.5 | 14.5 | 0.30 | 0.30 | 0.80 | 0.80 |
| 6 Jan | 31.4 | 14.3 | 0.36 | 0.36 | 1.00 | 1.00 |
| 7 Jan | 31.3 | 14.1 | 0.42 | 0.42 | 1.20 | 1.20 |
| 8 Jan | 31.1 | 13.9 | 0.47 | 0.47 | 1.40 | 1.40 |
| 9 Jan | 31.0 | 13.8 | 0.53 | 0.53 | 1.60 | 1.60 |
| 10 Jan | 30.9 | 13.6 | 0.58 | 0.58 | 1.80 | 1.80 |
| 11 Jan | 30.9 | 13.4 | 0.64 | 0.64 | 2.00 | 2.00 |
| 12 Jan | 30.8 | 13.3 | 0.69 | 0.69 | 2.20 | 2.20 |
| 13 Jan | 30.7 | 13.1 | 0.74 | 0.74 | 2.40 | 2.40 |
| 14 Jan | 30.7 | 13.0 | 0.78 | 0.78 | 2.60 | 2.60 |
| 15 Jan | 30.6 | 12.9 | 0.83 | 0.83 | 2.80 | 2.80 |
| 16 Jan | 30.6 | 12.8 | 0.89 | 0.89 | 3.00 | 3.00 |
| 17 Jan | 30.6 | 12.7 | 0.94 | 0.94 | 3.10 | 3.10 |
| 18 Jan | 30.5 | 12.6 | 0.99 | 0.99 | 3.40 | 3.40 |
| 19 Jan | 30.5 | 12.5 | 1.05 | 1.05 | 3.60 | 3.60 |
| 20 Jan | 30.5 | 12.5 | 1.10 | 1.10 | 3.80 | 3.80 |
| 21 Jan | 30.6 | 12.5 | 1.16 | 1.16 | 4.00 | 4.00 |
| 22 Jan | 30.6 | 12.4 | 1.21 | 1.21 | 4.20 | 4.20 |
| 23 Jan | 30.6 | 12.4 | 1.26 | 1.26 | 4.40 | 4.40 |
| 24 Jan | 30.7 | 12.5 | 1.32 | 1.32 | 4.60 | 4.60 |
| 25 Jan | 30.7 | 12.5 | 1.38 | 1.38 | 4.90 | 4.90 |
| 26 Jan | 30.8 | 12.5 | 1.43 | 1.43 | 5.10 | 5.10 |
| 27 Jan | 30.9 | 12.6 | 1.48 | 1.48 | 5.30 | 5.30 |
| 28 Jan | 31.0 | 12.7 | 1.52 | 1.52 | 5.60 | 5.60 |
| 29 Jan | 31.1 | 12.8 | 1.57 | 1.57 | 5.80 | 5.80 |
| 30 Jan | 31.3 | 12.9 | 1.62 | 1.62 | 6.00 | 6.00 |
| 31 Jan | 31.4 | 13.1 | 1.67 | 1.67 | 6.20 | 6.20 |
Weather history Aledo - August 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Aug | 80.1 | 66.0 | 1.56 | 0.00 | 0.0 |
| 02 Aug | 70.0 | 63.0 | 0.06 | 0.00 | 0.0 |
| 03 Aug | 79.0 | 61.0 | 0.00 | 0.00 | 0.0 |
| 04 Aug | 81.0 | 62.1 | 0.00 | 0.00 | 0.0 |
| 05 Aug | 86.0 | 64.0 | 0.19 | 0.00 | 0.0 |
| 06 Aug | 73.0 | 66.9 | 0.37 | 0.00 | 0.0 |
| 07 Aug | 80.1 | 66.0 | T | 0.00 | 0.0 |
| 08 Aug | 84.0 | 66.0 | T | 0.00 | 0.0 |
| 09 Aug | 82.0 | 64.9 | 0.00 | 0.00 | 0.0 |
| 10 Aug | 84.9 | 73.9 | T | 0.00 | 0.0 |
| 11 Aug | 89.1 | 73.0 | 0.00 | 0.00 | 0.0 |
| 12 Aug | - | - | - | - | - |
| 13 Aug | - | - | - | - | - |
| 14 Aug | - | - | - | - | - |
| 15 Aug | - | - | - | - | - |
| 16 Aug | - | - | - | - | - |
| 17 Aug | - | - | - | - | - |
| 18 Aug | - | - | - | - | - |
| 19 Aug | - | - | - | - | - |
| 20 Aug | - | - | - | - | - |
| 21 Aug | - | - | - | - | - |
| 22 Aug | - | - | - | - | - |
| 23 Aug | - | - | - | - | - |
| 24 Aug | - | - | - | - | - |
| 25 Aug | - | - | - | - | - |
| 26 Aug | - | - | - | - | - |
| 27 Aug | - | - | - | - | - |
| 28 Aug | - | - | - | - | - |
| 29 Aug | - | - | - | - | - |
| 30 Aug | - | - | - | - | - |
| 31 Aug | - | - | - | - | - |
Past weather Aledo
| Aug 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 80.8 ºF | 30 ºF | |
| Average low temperature Av. low temp. | 66.1 ºF | 13 ºF | |
| Total precipitation Total precip. | 2.18 inch | 1.41 inch | |
| Total snowfall Total snowfall | 0.00 inch | 0 inch | |
| Highest max temperature Highest max temp. | 89.1 ºF | - | |
| Lowest max temperature Lowest max temp. | 70.0 ºF | - | |
| Highest min temperature Highest min temp. | 73.9 ºF | - | |
| Lowest min temperature Lowest min temp. | 61.0 ºF | - | |
Past weather August 2026 incomplete - Missing data
Geo Aledo - Illinois
| Country | United States | |
|---|---|---|
| State | Illinois | |
| County | Mercer | |
| City | Aledo | |
| Zip Code | 61231 | |
| Longitude | -90.74 dec. degr. | |
| Latitude | 41.25 dec. degr. | |
| Altitude - Elevation | 728ft | |
| ICAO | - | |
| IATA | - |
Date and Time Aledo - Illinois
| Local Time | 06:39 PM | |
|---|---|---|
| Sunrise | 06:09 AM | |
| Sunset | 08:06 PM | |
| Day/Night | Day | |
| Timezone | Central Daylight Time | |
| Timezone DB | America - Chicago |
Map of Aledo - Illinois
USGS National Map — Open interactive map
Aledo weather averages
| Annual high temperature | 59ºF |
| Annual low temperature | 39ºF |
| Average annual precip. | 37.29 inch |
Station Data
Monthly averages Aledo
Longitude: -90.7371, Latitude: 41.2486
Average weather Aledo, IL - 61231
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...