Limon, Colorado climate: Normal weather by month, frost dates and records
Limon's normal year runs from 10°F December nights to 87°F July afternoons, with 15.0 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 8.2°C, December lows of −12°C, July highs of 31°C, 380 mm of precipitation a year.
- NOAA stationLimon Wsmo
- Station IDUSW00093010
- Location39.19°N 103.72°W
- Elevation5,364 ft (1,635 m)
- From the center5 miles
- Population1,992
On October 14, the normal high in Limon is 65°F and the normal low 30°F, and the chance of measurable rain or snow is 16%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Limon.
- Jan 43° 10°
- Feb 44° 13°
- Mar 54° 21°
- Apr 61° 28°
- May 70° 38°
- Jun 81° 48°
- Jul 87° 54°
- Aug 85° 53°
- Sep 77° 43°
- Oct 64° 29°
- Nov 52° 18°
- Dec 42° 10°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Limon each month?
July is the warmest month, with normal highs of 87°F; December the coldest, with normal lows of 10°F. The most precipitation falls in August (2.72 in), the least in January (0.27 in).
Each month has its own page with the day-by-day normals, the month's records and its recent years:
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 43°F | 10°F | 26.5°F | 0.27 | 4 | <1 | 31 | 9 h 40 min |
| February | 44°F | 13°F | 28.2°F | 0.36 | 4 | <1 | 28 | 10 h 40 min |
| March | 54°F | 21°F | 37.3°F | 0.80 | 7 | <1 | 29 | 11 h 50 min |
| April | 61°F | 28°F | 44.3°F | 1.37 | 8 | <1 | 21 | 13 h 10 min |
| May | 70°F | 38°F | 53.9°F | 2.21 | 10 | <1 | 6 | 14 h 20 min |
| June | 81°F | 48°F | 64.3°F | 2.20 | 9 | 6 | <1 | 14 h 50 min |
| July | 87°F | 54°F | 70.4°F | 2.53 | 10 | 15 | <1 | 14 h 40 min |
| August | 85°F | 53°F | 68.5°F | 2.72 | 10 | 8 | <1 | 13 h 50 min |
| September | 77°F | 43°F | 59.9°F | 0.96 | 6 | 3 | 2 | 12 h 30 min |
| October | 64°F | 29°F | 46.7°F | 0.84 | 5 | <1 | 19 | 11 h 10 min |
| November | 52°F | 18°F | 34.9°F | 0.40 | 5 | <1 | 29 | 10 h |
| December | 42°F | 10°F | 26.1°F | 0.31 | 4 | <1 | 31 | 9 h 30 min |
| Year (annual) | 63°F | 30°F | 46.7°F | 14.97 | 81 | 32 | 196 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 6°C | −12°C | −3.1°C | 7 mm |
| February | 7°C | −11°C | −2.1°C | 9 mm |
| March | 12°C | −6°C | 2.9°C | 20 mm |
| April | 16°C | −2°C | 6.8°C | 35 mm |
| May | 21°C | 3°C | 12.2°C | 56 mm |
| June | 27°C | 9°C | 17.9°C | 56 mm |
| July | 31°C | 12°C | 21.3°C | 64 mm |
| August | 29°C | 11°C | 20.3°C | 69 mm |
| September | 25°C | 6°C | 15.5°C | 24 mm |
| October | 18°C | −1°C | 8.2°C | 21 mm |
| November | 11°C | −8°C | 1.6°C | 10 mm |
| December | 6°C | −12°C | −3.3°C | 8 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Hugo (13 miles away), gets 24 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USW00093010; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Limon?
Normal highs sit between 65°F and 85°F in May, June, August and September. Of those, September has the fewest days with rain (6).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USW00093010.
When is the last frost in Limon?
In Limon, the last spring frost (32°F) comes after May 21 in half of years and after June 4 in one year in ten; the first autumn frost comes before September 26 in half of years and before September 14 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- May 211 year in 10 after June 4; 9 in 10 after May 7
- First autumn frost, half of years before
- September 261 year in 10 before September 14; 9 in 10 before October 6
NOAA puts the median frost-free season at 127 days, and the season without a hard freeze (28°F) at 145 days.
A hard freeze (28°F) comes after May 9 in half of springs and before October 3 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Limon in zone 5b in ZIP code 80828, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Limon's NOAA station is in zone 5b: the coldest night of a typical year reaches −15°F (27 complete years).
Frost dates for every NOAA station in Colorado · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USW00093010; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Limon?
In a normal year in Limon, 32 days a year reach 90°F (1 of them 100°F or more), 196 nights fall to 32°F or colder and 81 days bring measurable precipitation.
- Days at 90°F or more
- 32a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 196a normal year
- Days that stay below freezing
- 25high of 32°F or less
- Days with 0.01 inch of precipitation
- 81a normal year
The highest temperature in this station's record (since 1948) is 104°F, on July 20, 2005; the lowest is −30°F, on January 16, 2024.
The wettest calendar year on that record is 1967, with 23.82 in; the snowiest season is 1983–84, with 95.4 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USW00093010; records: ACIS (NOAA Regional Climate Centers), station USW00093010. Records use complete months only; a month missing more than three days is left out.
How humid and windy is Limon, and how clear are its skies?
The summer (June-August) dew point averages 50°F. The muggiest month is July, with an average dew point of 53°F; the driest air comes in December (13°F). March is the windiest month (11.2 mph on average), and June has the most clear or nearly clear hours (83%).
| Month | Dew point | Humidity | Afternoon humidity | Wind | Clear or few clouds | Overcast |
|---|---|---|---|---|---|---|
| January | 15°F | 63% | 38% | 8.9 mph | 75% | 17% |
| February | 16°F | 56% | 30% | 9.8 mph | 74% | 17% |
| March | 24°F | 54% | 27% | 11.2 mph | 69% | 19% |
| April | 32°F | 56% | 31% | 11.2 mph | 66% | 20% |
| May | 44°F | 58% | 32% | 10.4 mph | 70% | 16% |
| June | 48°F | 51% | 25% | 9.5 mph | 83% | 7% |
| July | 53°F | 58% | 31% | 8.7 mph | 76% | 10% |
| August | 48°F | 56% | 28% | 8.5 mph | 81% | 10% |
| September | 36°F | 53% | 26% | 9.0 mph | 82% | 10% |
| October | 25°F | 58% | 31% | 9.0 mph | 77% | 16% |
| November | 15°F | 61% | 35% | 9.1 mph | 81% | 13% |
| December | 13°F | 64% | 41% | 8.5 mph | 79% | 13% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093010. Monthly averages of all hours; afternoon humidity at 3 p.m. local standard time; sky as the share of hours NOAA's observations rate clear or few clouds (a dash where NOAA publishes no sky value).
How sunny is Limon?
Over a year 82% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Limon, 4.9 kWh per square metre a day. August is the sunniest month (88%) and February the cloudiest (75%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 79% | 2.6 |
| February | 75% | 3.4 |
| March | 78% | 4.7 |
| April | 77% | 5.8 |
| May | 79% | 6.7 |
| June | 85% | 7.4 |
| July | 87% | 7.3 |
| August | 88% | 6.5 |
| September | 87% | 5.4 |
| October | 82% | 4.0 |
| November | 81% | 2.8 |
| December | 76% | 2.2 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Limon need?
A normal year in Limon brings 7,024 heating degree days, 31% more than the median U.S. place (5,373), and 403 cooling degree days, 56% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,233 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,194 | 0 |
| February | 1,030 | 0 |
| March | 860 | 0 |
| April | 620 | 0 |
| May | 349 | 5 |
| June | 84 | 64 |
| July | 10 | 177 |
| August | 22 | 131 |
| September | 179 | 26 |
| October | 568 | 0 |
| November | 903 | 0 |
| December | 1,206 | 0 |
| Year (annual) | 7,024 | 403 |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00093010. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Has Limon been warmer than normal lately?
2025 averaged 48.6°F, 1.9°F above the 1991-2020 normal of 46.7°F. 3 of the 3 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 48.9°F | +2.2°F | 13.69 |
| 2023 | 47.6°F | +0.9°F | 16.38 |
| 2025 | 48.6°F | +1.9°F | 16.61 |
Over 62 complete years from 1950 to 2025, the station's annual mean temperature rose at a fitted 2.9°F per century (+0.16°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USW00093010; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Limon's climate compare?
Limon is warmer than 49 of the other 124 places with their own NOAA record in Colorado, and wetter than 50. Across the 7,247 U.S. stations with normals, its annual mean of 46.7°F is warmer than 26%.
In the Köppen classification computed from these normals, Limon is BSk: cold semi-arid steppe. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about Limon's climate
What is the coldest month in Limon?
December, with a normal high of 42°F and a normal low of 10°F. The warmest is July (87°F by day, 54°F at night).
Does it snow in Limon?
Yes. NOAA publishes no 1991-2020 snowfall normal for Limon's NOAA station; the nearest record that keeps one, Hugo (13 miles away), records 24 inches of snow in a normal year.
What is the rainiest month in Limon?
August, with 2.72 in of precipitation in a normal year; the driest is January with 0.27 in.
What plant hardiness zone is Limon in?
The USDA's 2023 map puts Limon in zone 5b in ZIP code 80828, the nearest ZIP area. By the same method at Limon's NOAA station, the coldest night of a typical year reaches −15°F (27 years, 1991-2020): zone 5b.
How late can frost come in Limon?
In half of years the last 32°F night comes after May 21; in one year in ten it comes after June 4. Waiting until June 4 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Limon in OctoberThis month day by day, its records and recent years
- Colorado climateThe statewide normals and every place in the state
- Matheson, CO8 miles from this station, 48.3°F a year
- Hugo, CO12 miles from this station, 49.2°F a year
- Genoa, CO13 miles from this station, 49.9°F a year
- Rush (1 mi N), CO30 miles from this station, 48.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made