Photo: Tedder · CC BY 4.0Fillmore’s winters are colder and snowier than most of the U.S.
A typical July afternoon reaches 92°, a January night drops to 19°, and about 62 inches of snow falls in a normal winter.
A year in Fillmore at a glance
Each month’s typical high and low, and what it brings.
What stands out about Fillmore’s climate
Compared with towns across the U.S., with Fillmore’s place in Utah beside it.
What a year in Fillmore feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 160 frost-free days a year
In half of years the last 32° night comes by May 4 and the first by October 14. Frost and day counts come from NOAA’s station at Fillmore, UT, 0.9 miles from the town’s center, at about the same height.
The 2023 USDA map puts Fillmore’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −3°. 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 62 inches of snow a winter
Snow, measured at Fillmore, UT, falls mostly in January, February and December. Precipitation (rain plus melted snow) adds up to 13 inches a year; April is the wettest month and June the driest. Rain or snow falls on about 75 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Fillmore
88% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Fillmore, UT.
Living with Fillmore’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
160 frost-free days in zone 6b. The last frost comes by May 4 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 14.
Months with highs of 62–84° and lows of 40° or more: May and September. 5.3 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Fillmore from natural hazards, earthquakes are the largest share (31%); heat waves, cold waves, winter storms and ice storms together are 7%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Fillmore and similar climates
TownRatings has no climate map of the towns around Fillmore yet.
Climates most like Fillmore’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 |
|---|---|---|---|---|
| Fillmore, UT | 19° | 92° | 13" | 62" |
| Derby, CO | 18° | 90° | 14" | 49" |
| Elko, NV | 15° | 90° | 10" | 41" |
| Scottsbluff, NE | 15° | 90° | 15" | 43" |
| Preston, ID | 14° | 89° | 15" | 52" |
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 Fillmore averaged 0.9° warmer than the 1900s. The biggest change is in March (+2.7°).
A smaller shift than in 86% 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 Fillmore compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Fillmore’s place among Utah’s.
Fillmore weather by month
Highs, lows and precipitation from NOAA’s grid at Fillmore’s center; snow, wet days and snow on the ground from Fillmore, UT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 39° | 19° | 1.0" | 11.9" | 7 | 16° – 37° |
| February | 46° | 23° | 1.0" | 13.2" | 8 | 29° – 43° |
| March | 57° | 30° | 1.4" | 7.9" | 8 | 40° – 49° |
| April | 63° | 35° | 1.5" | 5.1" | 9 | 44° – 57° |
| May | 74° | 43° | 1.3" | 0.3" | 7 | 52° – 62° |
| June | 85° | 52° | 0.6" | 0.0" | 3 | 61° – 74° |
| July | 92° | 61° | 0.7" | 0.0" | 5 | 71° – 80° |
| August | 90° | 59° | 0.8" | 0.0" | 5 | 70° – 80° |
| September | 81° | 49° | 0.9" | 0.1" | 5 | 61° – 70° |
| October | 66° | 37° | 1.3" | 2.9" | 6 | 44° – 57° |
| November | 52° | 27° | 1.0" | 8.2" | 6 | 31° – 47° |
| December | 39° | 19° | 1.1" | 12.4" | 7 | 23° – 33° |
| Year | 65° | 38° | 12.5" | 62.0" | 75 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 16° to 37°. July is the most reliable, staying within 9°.
Where Fillmore’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 Fillmore’s center.
- Snow: Fillmore, UT (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Fillmore, UT, 0.9 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- 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 Fillmore’s climate
What is the weather like in Fillmore?
A typical July afternoon reaches 92°, a January night drops to 19°, and about 62 inches of snow falls in a normal winter. Colder January nights than 64% of U.S. towns; hotter July afternoons than 88% of U.S. towns.
How cold does it get in Fillmore in winter?
December nights average 19°. About 138 nights a year reach 32° or below and 2 reach 0° or below. In the coldest December of the last 30 years the month averaged 23°.
How much snow does Fillmore get?
About 62 inches in a normal winter at Fillmore, UT, most of it in January, February and December.
How hot does it get in Fillmore?
July, with a typical high of 92° and a low of 61°. About 37 days a year reach 90° and 2 reach 100° (Fillmore, UT).
When is the first and last frost in Fillmore?
In half of years the last spring frost (32°) comes by May 4 and the first fall frost by October 14, about 160 frost-free days, at Fillmore, UT.
What growing zone is Fillmore in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −3°.
What is the best time of year to visit Fillmore?
By one simple rule (highs of 62–84° and lows of 40° or more), May and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Fillmore getting warmer?
Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 86% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Fillmore.
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.