Climate Cairo - Illinois
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 43 | 48 | 58 | 70 | 78 | 86 |
| Average low in ºF Av. low Lo | 25 | 29 | 37 | 46 | 57 | 65 |
| Av. precipitation in inch Av. precip. Pre. | 3.69 | 3.77 | 4.05 | 4.63 | 5.27 | 3.91 |
| Av. snowfall in inch Snowfall Sn | 2 | 2 | 0 | 0 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 89 | 88 | 81 | 70 | 58 | 46 |
| Average low in ºF Av. low Lo | 69 | 67 | 59 | 47 | 38 | 29 |
| Av. precipitation in inch Av. precip. Pre. | 4.14 | 3.01 | 3.19 | 4.05 | 4.46 | 4.47 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 0 | 1 |
What is the average weather in Cairo, Illinois?
Cairo experiences a humid subtropical climate with a very large seasonal temperature contrast. Summers are hot, and while rainfall is fairly evenly spread, heavy seasonal downpours can occur during warmer months. Winters are cold and bring occasional snowfall, contributing to the area's fairly wet annual precipitation.
Cairo Climate Graph - Illinois Climate Chart
Daily normals Cairo - Illinois - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 43.6 | 27.1 | 0.14 | 0.14 | 0.00 | 0.00 |
| 2 Jan | 43.5 | 26.9 | 0.28 | 0.28 | 0.00 | 0.00 |
| 3 Jan | 43.4 | 26.8 | 0.42 | 0.42 | 0.00 | 0.00 |
| 4 Jan | 43.3 | 26.7 | 0.56 | 0.56 | 0.00 | 0.00 |
| 5 Jan | 43.3 | 26.5 | 0.71 | 0.71 | 0.00 | 0.00 |
| 6 Jan | 43.2 | 26.4 | 0.85 | 0.85 | 0.00 | 0.00 |
| 7 Jan | 43.1 | 26.3 | 1.00 | 1.00 | 0.00 | 0.00 |
| 8 Jan | 43.1 | 26.2 | 1.14 | 1.14 | 0.00 | 0.00 |
| 9 Jan | 43.1 | 26.1 | 1.28 | 1.28 | 0.00 | 0.00 |
| 10 Jan | 43.0 | 26.0 | 1.42 | 1.42 | 0.00 | 0.00 |
| 11 Jan | 43.0 | 25.9 | 1.56 | 1.56 | 0.00 | 0.00 |
| 12 Jan | 43.0 | 25.8 | 1.69 | 1.69 | 0.00 | 0.00 |
| 13 Jan | 43.0 | 25.7 | 1.83 | 1.83 | 0.00 | 0.00 |
| 14 Jan | 43.0 | 25.7 | 1.96 | 1.96 | 0.00 | 0.00 |
| 15 Jan | 43.0 | 25.6 | 2.09 | 2.09 | 0.00 | 0.00 |
| 16 Jan | 43.0 | 25.6 | 2.21 | 2.21 | 0.00 | 0.00 |
| 17 Jan | 43.1 | 25.6 | 2.33 | 2.33 | 0.00 | 0.00 |
| 18 Jan | 43.1 | 25.5 | 2.44 | 2.44 | 0.00 | 0.00 |
| 19 Jan | 43.2 | 25.5 | 2.54 | 2.54 | 0.00 | 0.00 |
| 20 Jan | 43.2 | 25.5 | 2.64 | 2.64 | 0.00 | 0.00 |
| 21 Jan | 43.3 | 25.6 | 2.74 | 2.74 | 0.00 | 0.00 |
| 22 Jan | 43.4 | 25.6 | 2.84 | 2.84 | 0.00 | 0.00 |
| 23 Jan | 43.5 | 25.6 | 2.95 | 2.95 | 0.00 | 0.00 |
| 24 Jan | 43.6 | 25.7 | 3.06 | 3.06 | 0.00 | 0.00 |
| 25 Jan | 43.7 | 25.7 | 3.17 | 3.17 | 0.00 | 0.00 |
| 26 Jan | 43.8 | 25.8 | 3.27 | 3.27 | 0.00 | 0.00 |
| 27 Jan | 43.9 | 25.9 | 3.38 | 3.38 | 0.00 | 0.00 |
| 28 Jan | 44.1 | 26.0 | 3.48 | 3.48 | 0.00 | 0.00 |
| 29 Jan | 44.2 | 26.1 | 3.58 | 3.58 | 0.00 | 0.00 |
| 30 Jan | 44.4 | 26.3 | 3.69 | 3.69 | 0.00 | 0.00 |
| 31 Jan | 44.5 | 26.4 | 3.80 | 3.80 | 0.00 | 0.00 |
Weather history Cairo - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 97.0 | 71.6 | - | - | - |
| 02 Sep | 97.7 | 72.9 | - | - | - |
| 03 Sep | 98.1 | 72.7 | - | - | - |
| 04 Sep | 98.6 | 73.8 | - | - | - |
| 05 Sep | 100.8 | 73.8 | - | - | - |
| 06 Sep | 93.4 | 76.1 | - | - | - |
| 07 Sep | 89.8 | 68.4 | - | - | - |
| 08 Sep | 95.0 | 63.7 | - | - | - |
| 09 Sep | 95.9 | 76.6 | - | - | - |
| 10 Sep | 90.0 | 76.6 | - | - | - |
| 11 Sep | - | - | - | - | - |
| 12 Sep | - | - | - | - | - |
| 13 Sep | 94.3 | 69.8 | - | - | - |
| 14 Sep | 91.6 | 68.0 | - | - | - |
| 15 Sep | 98.4 | 69.1 | - | - | - |
| 16 Sep | 98.1 | 72.7 | - | - | - |
| 17 Sep | 95.9 | 70.9 | - | - | - |
| 18 Sep | - | - | - | - | - |
| 19 Sep | - | - | - | - | - |
| 20 Sep | - | - | - | - | - |
| 21 Sep | - | - | - | - | - |
| 22 Sep | - | - | - | - | - |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather Cairo
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 95.6 ºF | 43 ºF | |
| Average low temperature Av. low temp. | 71.8 ºF | 25 ºF | |
| Total precipitation Total precip. | - inch | 3.69 inch | |
| Total snowfall Total snowfall | - inch | 2 inch | |
| Highest max temperature Highest max temp. | 100.8 ºF | - | |
| Lowest max temperature Lowest max temp. | 89.8 ºF | - | |
| Highest min temperature Highest min temp. | 76.6 ºF | - | |
| Lowest min temperature Lowest min temp. | 63.7 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo Cairo - Illinois
| Country | United States | |
|---|---|---|
| State | Illinois | |
| County | Alexander | |
| City | Cairo | |
| Zip Code | 62914 | |
| Longitude | -89.22 dec. degr. | |
| Latitude | 37.06 dec. degr. | |
| Altitude - Elevation | 318ft | |
| ICAO | - | |
| IATA | - |
Date and Time Cairo - Illinois
| Local Time | 03:06 PM | |
|---|---|---|
| Sunrise | 06:43 AM | |
| Sunset | 06:55 PM | |
| Day/Night | Day | |
| Timezone | Central Daylight Time | |
| Timezone DB | America - Chicago |
Map of Cairo - Illinois
USGS National Map — Open interactive map
Cairo weather averages
| Annual high temperature | 68ºF |
| Annual low temperature | 47ºF |
| Average annual precip. | 48.64 inch |
| Av. annual snowfall | 5 inch |
Station Data
Monthly averages Cairo
Longitude: -89.2196, Latitude: 37.0645
Average weather Cairo, IL - 62914
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, ...