Photo: Jeffrey Beall · CC BY 4.0Less rain and snow falls on Wiggins than on 93% of U.S. towns: 15 inches a year
In January the night’s low is typically 14°. Precipitation peaks in May and eases off in January. Winter nights are cold: in January they are colder than in 87% of U.S. towns. Garden planting can start around May 6; autumn frost returns near October 6.
A year in Wiggins at a glance
Each month’s typical high and low, and what it brings.
What stands out about Wiggins’ climate
Compared with towns across the U.S., with Wiggins’ place in Colorado beside it.
What a year in Wiggins feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 153 frost-free days a year
In half of years the last 32° night comes by May 6 and the first by October 6. Frost and day counts come from NOAA’s station at Ft Morgan, CO, 11 miles from the town’s center, 170 ft lower.
The 2023 USDA map puts Wiggins’ center in zone 5a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −16°. 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 23 inches of snow a winter
Snow, measured at Ft Morgan, CO, falls mostly in December. Precipitation (rain plus melted snow) adds up to 15 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 64 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Wiggins
89% 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 Ft Morgan, CO.
Living with Wiggins’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
153 frost-free days in zone 5a. The last frost comes by May 6 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 6.
Months with highs of 62–84° and lows of 40° or more: May and September. 2.3 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Wiggins from natural hazards, river flooding is the largest share (40%); heat waves, cold waves, winter storms and ice storms together are 18%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Wiggins and similar climates
TownRatings has no climate map of the towns around Wiggins yet.
Climates most like Wiggins’, 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 |
|---|---|---|---|---|
| Wiggins, CO | 14° | 91° | 15" | 23" |
| Ephraim, UT | 14° | 89° | 12" | 20" |
| White Rock, NM | 18° | 89° | 13" | 20" |
| Colby, KS | 17° | 91° | 20" | 27" |
| McCook, NE | 15° | 92° | 21" | 20" |
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 Wiggins averaged 2.2° warmer than the 1900s. The biggest change is in January (+4.2°).
A bigger shift than in 95% 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 Wiggins compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Wiggins’ place among Colorado’s.
Wiggins weather by month
Highs, lows and precipitation from NOAA’s grid at Wiggins’ center; snow, wet days and snow on the ground from Ft Morgan, CO. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 42° | 14° | 0.3" | 3.8" | 3 | 7 | 16° – 35° |
| February | 45° | 17° | 0.4" | 3.9" | 3 | 6 | 23° – 40° |
| March | 56° | 25° | 0.8" | 3.8" | 4 | 2 | 34° – 47° |
| April | 63° | 33° | 1.5" | 1.7" | 6 | 1 | 42° – 54° |
| May | 73° | 43° | 2.3" | 0.3" | 10 | 0 | 51° – 62° |
| June | 84° | 53° | 2.2" | 0.0" | 8 | 0 | 63° – 73° |
| July | 91° | 59° | 2.1" | 0.0" | 8 | 0 | 70° – 79° |
| August | 88° | 56° | 2.0" | 0.0" | 8 | 0 | 68° – 77° |
| September | 80° | 47° | 1.3" | 0.0" | 5 | 0 | 58° – 69° |
| October | 66° | 34° | 1.1" | 2.1" | 5 | 1 | 43° – 57° |
| November | 52° | 23° | 0.5" | 2.7" | 3 | 1 | 29° – 46° |
| December | 42° | 14° | 0.3" | 4.4" | 3 | 7 | 20° – 33° |
| Year | 65° | 35° | 15.0" | 22.7" | 64 | 24 |
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 35°. July is the most reliable, staying within 9°.
Where Wiggins’ 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 Wiggins’ center.
- Snow: Ft Morgan, CO.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Ft Morgan, CO, 11 miles from the town’s center, 170 ft lower; 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 Wiggins’ climate
What is the weather like in Wiggins?
A typical July afternoon reaches 91°, a January night drops to 14°, and about 23 inches of snow falls in a normal winter. Colder January nights than 87% of U.S. towns; hotter July afternoons than 80% of U.S. towns.
How cold does it get in Wiggins in winter?
January nights average 14°. About 170 nights a year reach 32° or below and 11 reach 0° or below. In the coldest January of the last 30 years the month averaged 16°.
How much snow does Wiggins get?
About 23 inches in a normal winter at Ft Morgan, CO, most of it in December, with snow on the ground about 24 days a year.
How hot does it get in Wiggins?
July, with a typical high of 91° and a low of 59°. About 51 days a year reach 90° and 4 reach 100° (Ft Morgan, CO).
When is the first and last frost in Wiggins?
In half of years the last spring frost (32°) comes by May 6 and the first fall frost by October 6, about 153 frost-free days, at Ft Morgan, CO.
What growing zone is Wiggins in?
Zone 5a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −16°.
What is the best time of year to visit Wiggins?
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 Wiggins getting warmer?
Yes: 1991–2020 averaged 2.2° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 95% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Wiggins.
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.