Photo: Jeffrey Beall · CC BY 4.0Precipitation in Vona trails that of 91% of U.S. towns: 18 inches a year
Midsummer highs settle at about 90°. By July afternoons alone, it runs hotter than 76% of U.S. towns. Decade by decade the climate has edged up, 1.2° above 1901–2000. If you like long walks, May and September offer highs of 73–80°.
A year in Vona at a glance
Each month’s typical high and low, and what it brings.
What stands out about Vona’s climate
Compared with towns across the U.S., with Vona’s place in Colorado beside it.
What a year in Vona feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 158 frost-free days a year
In half of years the last 32° night comes by May 4 and the first by October 11. Frost and day counts come from NOAA’s station at Seibert, CO, 7 miles from the town’s center, 210 ft higher.
The 2023 USDA map puts Vona’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 34 inches of snow a winter
Snow, measured at Stratton, CO, falls mostly in March, April and November. Precipitation (rain plus melted snow) adds up to 18 inches a year; July is the wettest month and January the driest. Rain or snow falls on about 70 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Vona
90% 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 Seibert, CO.
Living with Vona’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
158 frost-free days in zone 6a. 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 11.
Months with highs of 62–84° and lows of 40° or more: May and September.
Parks & trails →Cold waves are 38% of the yearly building losses FEMA expects in Vona from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Vona and similar climates
TownRatings has no climate map of the towns around Vona yet.
Climates most like Vona’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 |
|---|---|---|---|---|
| Vona, CO | 17° | 90° | 18" | 34" |
| Logan, UT | 15° | 90° | 18" | 44" |
| Gering, NE | 15° | 90° | 15" | 43" |
| Torrington, WY | 14° | 90° | 13" | 31" |
| Spring Creek, NV | 15° | 89° | 14" | 41" |
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 Vona averaged 1.2° warmer than the 1900s. The biggest change is in March (+3.4°).
A smaller shift than in 63% 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 Vona compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Vona’s place among Colorado’s.
Vona weather by month
Highs, lows and precipitation from NOAA’s grid at Vona’s center; snow, wet days and snow on the ground from Stratton, CO. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 44° | 17° | 0.4" | 4.1" | 3 | 20° – 38° |
| February | 46° | 19° | 0.5" | 5.2" | 3 | 25° – 41° |
| March | 57° | 27° | 0.9" | 6.0" | 5 | 35° – 49° |
| April | 64° | 34° | 1.7" | 5.6" | 6 | 43° – 55° |
| May | 73° | 45° | 2.6" | 0.0" | 9 | 51° – 64° |
| June | 85° | 54° | 2.5" | 0.0" | 8 | 65° – 75° |
| July | 90° | 60° | 3.1" | 0.0" | 10 | 70° – 79° |
| August | 87° | 58° | 2.8" | 0.0" | 9 | 68° – 77° |
| September | 80° | 49° | 1.1" | 0.4" | 5 | 59° – 70° |
| October | 67° | 36° | 1.1" | 2.7" | 5 | 42° – 58° |
| November | 54° | 25° | 0.5" | 6.1" | 4 | 31° – 47° |
| December | 44° | 18° | 0.4" | 3.8" | 3 | 23° – 35° |
| Year | 66° | 37° | 17.6" | 33.9" | 70 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 20° to 38°. August is the most reliable, staying within 9°.
Where Vona’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 Vona’s center.
- Snow: Stratton, CO.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Seibert, CO, 7 miles from the town’s center, 210 ft higher; 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 Vona’s climate
What is the weather like in Vona?
A typical July afternoon reaches 90°, a January night drops to 17°, and about 34 inches of snow falls in a normal winter. Colder January nights than 76% of U.S. towns; hotter July afternoons than 76% of U.S. towns.
How cold does it get in Vona in winter?
January nights average 17°. About 172 nights a year reach 32° or below and 9 reach 0° or below. In the coldest January of the last 30 years the month averaged 20°.
How much snow does Vona get?
About 34 inches in a normal winter at Stratton, CO, most of it in March, April and November.
How hot does it get in Vona?
July, with a typical high of 90° and a low of 60°. About 47 days a year reach 90° and 2 reach 100° (Seibert, CO).
When is the first and last frost in Vona?
In half of years the last spring frost (32°) comes by May 4 and the first fall frost by October 11, about 158 frost-free days, at Seibert, CO.
What growing zone is Vona 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 Vona?
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 Vona getting warmer?
Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 63% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Vona.
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.