Climate Fairmount - Illinois
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 33 | 37 | 50 | 63 | 74 | 83 |
| Average low in ºF Av. low Lo | 17 | 19 | 29 | 40 | 51 | 62 |
| Av. precipitation in inch Av. precip. Pre. | 2.16 | 2.14 | 2.64 | 3.75 | 4.54 | 3.78 |
| Av. snowfall in inch Snowfall Sn | 8 | 7 | 2 | 0 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 86 | 85 | 78 | 66 | 51 | 37 |
| Average low in ºF Av. low Lo | 64 | 62 | 53 | 42 | 33 | 21 |
| Av. precipitation in inch Av. precip. Pre. | 5.15 | 3.45 | 2.77 | 3.34 | 3.62 | 2.84 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 1 | 7 |
Fairmount experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are warm and fairly wet, with precipitation spread relatively evenly throughout the year. Winters are cold and bring regular snowfall, making for a distinct shift in seasons.
Fairmount Climate Graph - Illinois Climate Chart
Daily normals Fairmount - Illinois - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 33.1 | 18.3 | 0.08 | 0.08 | 0.20 | 0.50 |
| 2 Jan | 33.0 | 18.2 | 0.16 | 0.16 | 0.51 | 1.30 |
| 3 Jan | 32.9 | 18.0 | 0.24 | 0.24 | 0.71 | 1.80 |
| 4 Jan | 32.8 | 17.9 | 0.31 | 0.31 | 0.98 | 2.50 |
| 5 Jan | 32.7 | 17.7 | 0.39 | 0.39 | 1.18 | 3.00 |
| 6 Jan | 32.7 | 17.6 | 0.47 | 0.47 | 1.50 | 3.80 |
| 7 Jan | 32.6 | 17.4 | 0.55 | 0.55 | 1.69 | 4.30 |
| 8 Jan | 32.5 | 17.3 | 0.63 | 0.63 | 2.01 | 5.10 |
| 9 Jan | 32.5 | 17.1 | 0.71 | 0.71 | 2.20 | 5.60 |
| 10 Jan | 32.4 | 17.0 | 0.79 | 0.79 | 2.52 | 6.40 |
| 11 Jan | 32.4 | 16.9 | 0.87 | 0.87 | 2.72 | 6.90 |
| 12 Jan | 32.3 | 16.7 | 0.94 | 0.94 | 2.91 | 7.40 |
| 13 Jan | 32.3 | 16.6 | 0.98 | 0.98 | 3.19 | 8.10 |
| 14 Jan | 32.3 | 16.4 | 1.06 | 1.06 | 3.39 | 8.60 |
| 15 Jan | 32.3 | 16.3 | 1.10 | 1.10 | 3.70 | 9.40 |
| 16 Jan | 32.2 | 16.2 | 1.18 | 1.18 | 3.90 | 9.90 |
| 17 Jan | 32.2 | 16.1 | 1.26 | 1.26 | 4.21 | 10.70 |
| 18 Jan | 32.2 | 16.0 | 1.34 | 1.34 | 4.41 | 11.20 |
| 19 Jan | 32.2 | 15.9 | 1.38 | 1.38 | 4.69 | 11.90 |
| 20 Jan | 32.2 | 15.8 | 1.46 | 1.46 | 5.00 | 12.70 |
| 21 Jan | 32.2 | 15.7 | 1.50 | 1.50 | 5.20 | 13.20 |
| 22 Jan | 32.3 | 15.7 | 1.57 | 1.57 | 5.51 | 14.00 |
| 23 Jan | 32.3 | 15.6 | 1.65 | 1.65 | 5.71 | 14.50 |
| 24 Jan | 32.3 | 15.6 | 1.69 | 1.69 | 5.98 | 15.20 |
| 25 Jan | 32.4 | 15.6 | 1.77 | 1.77 | 6.18 | 15.70 |
| 26 Jan | 32.4 | 15.6 | 1.85 | 1.85 | 6.50 | 16.50 |
| 27 Jan | 32.5 | 15.6 | 1.89 | 1.89 | 6.69 | 17.00 |
| 28 Jan | 32.6 | 15.6 | 1.97 | 1.97 | 7.01 | 17.80 |
| 29 Jan | 32.7 | 15.6 | 2.05 | 2.05 | 7.28 | 18.50 |
| 30 Jan | 32.8 | 15.7 | 2.09 | 2.09 | 7.52 | 19.10 |
| 31 Jan | 32.9 | 15.8 | 2.17 | 2.17 | 7.80 | 19.80 |
Weather history Fairmount - June 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jun | 78.1 | 62.1 | 0.00 | - | - |
| 02 Jun | 84.9 | 66.0 | 0.00 | - | - |
| 03 Jun | 81.0 | 55.0 | 0.00 | - | - |
| 04 Jun | 84.0 | 59.0 | 0.00 | - | - |
| 05 Jun | 86.0 | 55.0 | 0.00 | 0.00 | 0.0 |
| 06 Jun | 82.9 | 70.0 | 0.00 | 0.00 | 0.0 |
| 07 Jun | 90.0 | 71.1 | 0.00 | 0.00 | 0.0 |
| 08 Jun | 88.0 | 71.1 | 0.22 | 0.00 | 0.0 |
| 09 Jun | 75.9 | 68.0 | 1.54 | 0.00 | 0.0 |
| 10 Jun | 89.1 | 75.0 | 0.44 | - | - |
| 11 Jun | - | - | - | - | - |
| 12 Jun | - | - | - | - | - |
| 13 Jun | 82.0 | 62.1 | 0.00 | - | - |
| 14 Jun | 82.0 | 66.9 | 0.00 | - | - |
| 15 Jun | - | - | - | - | - |
| 16 Jun | - | - | - | - | - |
| 17 Jun | - | - | - | - | - |
| 18 Jun | - | - | - | - | - |
| 19 Jun | - | - | - | - | - |
| 20 Jun | - | - | - | - | - |
| 21 Jun | - | - | - | - | - |
| 22 Jun | - | - | - | - | - |
| 23 Jun | - | - | - | - | - |
| 24 Jun | - | - | - | - | - |
| 25 Jun | - | - | - | - | - |
| 26 Jun | - | - | - | - | - |
| 27 Jun | - | - | - | - | - |
| 28 Jun | - | - | - | - | - |
| 29 Jun | - | - | - | - | - |
| 30 Jun | - | - | - | - | - |
Past weather Fairmount
| Jun 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 83.7 ºF | 33 ºF | |
| Average low temperature Av. low temp. | 65.1 ºF | 17 ºF | |
| Total precipitation Total precip. | 2.20 inch | 2.16 inch | |
| Total snowfall Total snowfall | - inch | 8 inch | |
| Highest max temperature Highest max temp. | 90.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 75.9 ºF | - | |
| Highest min temperature Highest min temp. | 75.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 55.0 ºF | - | |
Past weather June 2026 incomplete - Missing data
Geo Fairmount - Illinois
| Country | United States | |
|---|---|---|
| State | Illinois | |
| County | - | |
| City | Fairmount | |
| Zip Code | 61841 | |
| Longitude | -87.83 dec. degr. | |
| Latitude | 40.05 dec. degr. | |
| Altitude - Elevation | 666ft | |
| ICAO | - | |
| IATA | - |
Date and Time Fairmount - Illinois
| Local Time | 07:39 PM | |
|---|---|---|
| Sunrise | 05:20 AM | |
| Sunset | 08:23 PM | |
| Day/Night | Day | |
| Timezone | Chicago -6:00 | |
| Timezone DB | America - Chicago |
Map of Fairmount - Illinois
USGS National Map — Open interactive map
Fairmount weather averages
| Annual high temperature | 62ºF |
| Annual low temperature | 41ºF |
| Average annual precip. | 40.18 inch |
| Av. annual snowfall | 25 inch |
Station Data
Monthly averages Fairmount
Longitude: -87.8306, Latitude: 40.0456
Average weather Fairmount, IL - 61841
Monthly: 1991-2020 normals
History: 2008-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...