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Rome, IL Climate
1991 to 2020 normals at Lacon, 11 mi from the center of Rome, elevation 458 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 34° | 18° | 2.07 in | 8.1 in | |
| February | 38° | 22° | 2.06 in | 6.2 in | |
| March | 51° | 31° | 2.65 in | 3.2 in | |
| April | 65° | 41° | 4.00 in | 0.7 in | |
| May | 75° | 52° | 4.76 in | 0.0 in | |
| June | 84° | 61° | 4.29 in | 0.0 in | |
| July | 87° | 65° | 3.97 in | 0.0 in | |
| August | 86° | 63° | 3.33 in | 0.0 in | |
| September | 80° | 55° | 3.30 in | 0.0 in | |
| October | 67° | 44° | 3.16 in | 0.1 in | |
| November | 51° | 33° | 2.63 in | 1.1 in | |
| December | 38° | 23° | 2.17 in | 5.2 in | |
| Year | 63° | 38.39 in | 24.6 in |
Frequently asked questions
- What is the hottest month in Rome, IL?
- July is the warmest month, with a normal high of 87°F at Lacon.
- What is the coldest month in Rome, IL?
- January is the coldest month, with a normal low of 18°F.
- What is the wettest month in Rome, IL?
- May has the most precipitation on average, about 4.76 inches.