Rome has cold, snowy winters and pleasant summers
A typical July afternoon reaches 82°, a January night drops to 12°, and about 51 inches of snow falls in a normal winter.
A year in Rome at a glance
Each month’s typical high and low, and what it brings.
What stands out about Rome’s climate
Read from where Rome sits among Wisconsin’s towns. The page puts what stands out first.
What a year in Rome feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 157 frost-free days a year
In half of years the last 32° night comes by May 3 and the first by October 9.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Warmer than it used to be
The last 30 years in Rome averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.7°).
A smaller shift than in 53% of U.S. towns.
Change by month
51 inches of snow, 36 of rain and melt
June is the wettest month and February the driest. Rain or snow falls on about 132 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Living with Rome’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
157 frost-free days. The last frost comes by May 3 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 9.
About 51" a winter over 15 days with an inch or more, most in December. Snow covers the ground about 72 days a year.
Months averaging under 55° run from October through April. Heating is 92% of the year’s heating-and-cooling load.
About 11 days a year reach 90°, and July afternoons average 82°.
The nicest months are May, June, July, August and September.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Rome and its neighbors
Jefferson has the coldest January nights next door (12°) and Jefferson the hottest July afternoons (83°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
How Rome compares
Against every U.S. town on TownTapestry, each counted once, with its place in Wisconsin.
Rome weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 28° | 12° | 1.6" | 13.2" | 11 | 23 | 10° – 32° |
| February | 32° | 16° | 1.5" | 11.7" | 10 | 21 | 11° – 35° |
| March | 44° | 25° | 2.0" | 6.3" | 10 | 9 | 26° – 50° |
| April | 57° | 35° | 3.6" | 2.4" | 13 | 1 | 37° – 52° |
| May | 69° | 47° | 4.1" | 0 | 14 | 0 | 52° – 64° |
| June | 79° | 57° | 5.0" | 0 | 13 | 0 | 64° – 72° |
| July | 82° | 61° | 4.0" | 0 | 10 | 0 | 66° – 79° |
| August | 81° | 59° | 4.0" | 0 | 11 | 0 | 64° – 76° |
| September | 73° | 51° | 3.5" | 0 | 9 | 0 | 56° – 67° |
| October | 61° | 40° | 2.8" | 0.4" | 11 | 0 | 46° – 57° |
| November | 46° | 29° | 2.2" | 3.2" | 10 | 3 | 28° – 47° |
| December | 33° | 18° | 1.8" | 13.5" | 11 | 16 | 12° – 37° |
| Year | 57° | 37° | 36.1" | 50.7" | 132 | 72 |
Heating and cooling a home in Rome
92% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 11° to 35°. June is the most reliable, staying within 8°.
Common questions about Rome’s climate
What is the coldest month in Rome?
January, with a typical high of 28° and a low of 12°.
What is the hottest month in Rome?
July, with a typical high of 82° and a low of 61°. About 11 days a year reach 90°.
How much snow does Rome get?
About 51 inches in a normal winter, most of it in December.
When is the first frost in Rome?
In half of years the first 32° night comes by October 9, and the last spring frost by May 3.
What is the rainiest month in Rome?
June, with 5.0 inches of rain and melted snow. The year totals 36 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Rome.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Rome itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Sullivan 3se, WI (5 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.