Photo: Ntsimp · Public domainLess rain and snow falls on Mantua than on 87% of U.S. towns: 27 inches a year
Peak summer warmth arrives in July, with afternoons near 86°. Its January nights bite harder than in 66% of U.S. towns. Warming shows here too: 1.6° more than in 1901–2000, led by March. Central heating does most of its work from October to April, in months below 50° on average.
A year in Mantua at a glance
Each month’s typical high and low, and what it brings.
What stands out about Mantua’s climate
Compared with towns across the U.S., with Mantua’s place in Utah beside it.
What a year in Mantua feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 138 frost-free days a year
In half of years the last 32° night comes by May 12 and the first by September 28. Frost and day counts come from Logan 5 Sw Exp Farm, UT, 11 miles away.
The 2023 USDA map puts Mantua’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −9°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 38 inches of snow a winter
Snow, measured at Brigham City Waste Plt, UT, falls mostly in January. Precipitation (rain plus melted snow) adds up to 27 inches a year; January is the wettest month and July the driest. Rain or snow falls on about 76 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Mantua
94% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Logan 5 Sw Exp Farm, UT.
Living with Mantua’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
138 frost-free days in zone 6a. The last frost comes by May 12 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 28.
Months with highs of 62–84° and lows of 40° or more: May, June and September. 16 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Mantua from natural hazards, avalanches are the largest share (46%); heat waves, cold waves, winter storms and ice storms together are 5%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Mantua and similar climates
TownRatings has no climate map of the towns around Mantua yet.
Climates most like Mantua’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Mantua, UT | 19° | 86° | 27" | 38" |
| Hastings, NE | 15° | 87° | 27" | 29" |
| Northwood, OH | 21° | 85° | 34" | 37" |
| Lambertville, MI | 20° | 85° | 34" | 37" |
| Sturgis, SD | 14° | 85° | 22" | 48" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Mantua averaged 1.6° warmer than the 1900s. The biggest change is in March (+3.4°).
A bigger shift than in 66% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Mantua compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Mantua’s place among Utah’s.
Mantua weather by month
Highs, lows and precipitation from NOAA’s grid at Mantua’s center; snow, wet days and snow on the ground from Brigham City Waste Plt, UT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 34° | 19° | 3.3" | 12.2" | 9 | 21 | 18° – 35° |
| February | 38° | 21° | 2.7" | 7.5" | 8 | 14 | 22° – 38° |
| March | 48° | 29° | 3.0" | 4.2" | 8 | 3 | 33° – 44° |
| April | 55° | 35° | 2.9" | 1.2" | 8 | 0 | 40° – 51° |
| May | 65° | 43° | 2.9" | 0.0" | 9 | 0 | 48° – 58° |
| June | 76° | 50° | 1.6" | 0.0" | 4 | 0 | 57° – 69° |
| July | 86° | 59° | 0.6" | 0.0" | 2 | 0 | 62° – 77° |
| August | 84° | 58° | 0.9" | 0.0" | 3 | 0 | 66° – 75° |
| September | 74° | 49° | 1.6" | 0.0" | 5 | 0 | 58° – 66° |
| October | 59° | 38° | 2.4" | 0.5" | 6 | 0 | 41° – 55° |
| November | 45° | 28° | 2.4" | 4.1" | 7 | 2 | 29° – 42° |
| December | 34° | 20° | 3.1" | 8.6" | 8 | 12 | 21° – 33° |
| Year | 58° | 37° | 27.3" | 38.3" | 76 | 52 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 18° to 35°. September is the most reliable, staying within 8°.
Where Mantua’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Mantua’s center.
- Snow: Brigham City Waste Plt, UT.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Logan 5 Sw Exp Farm, UT, 11 miles from the town’s center, 800 ft lower; no station nearby passes every check; this is the nearest one in the same valley, flagged above.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Mantua’s climate
What is the weather like in Mantua?
A typical July afternoon reaches 86°, a January night drops to 19°, and about 38 inches of snow falls in a normal winter. Colder January nights than 66% of U.S. towns; hotter July afternoons than 54% of U.S. towns.
How cold does it get in Mantua in winter?
January nights average 19°. About 175 nights a year reach 32° or below and 15 reach 0° or below. In the coldest January of the last 30 years the month averaged 18°.
How much snow does Mantua get?
About 38 inches in a normal winter at Brigham City Waste Plt, UT, most of it in January, with snow on the ground about 52 days a year.
How hot does it get in Mantua?
July, with a typical high of 86° and a low of 59°. About 30 days a year reach 90° (Logan 5 Sw Exp Farm, UT).
When is the first and last frost in Mantua?
In half of years the last spring frost (32°) comes by May 12 and the first fall frost by September 28, about 138 frost-free days, at Logan 5 Sw Exp Farm, UT.
What growing zone is Mantua in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −9°.
What is the best time of year to visit Mantua?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Mantua getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 66% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Mantua.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.