Guffey, Colorado climate: Normal weather by month, frost dates and records
Guffey's normal year runs from 16°F December nights to 77°F July afternoons, with 19.3 inches of precipitation and 78 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 6.4°C, December lows of −9°C, July highs of 25°C, 490 mm of precipitation a year.
- NOAA stationGuffey (9 mi SE)
- Station IDUSC00053652
- Location38.69°N 105.39°W
- Elevation8,915 ft (2,717 m)
- Population (census place)29
On October 24, the normal high in Guffey is 55°F and the normal low 30°F, and the chance of measurable rain or snow is 14%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Guffey.
- Jan 37° 16°
- Feb 38° 16°
- Mar 47° 23°
- Apr 53° 28°
- May 63° 36°
- Jun 73° 47°
- Jul 77° 50°
- Aug 74° 49°
- Sep 67° 44°
- Oct 58° 32°
- Nov 45° 24°
- Dec 36° 16°
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 Guffey each month?
July is the warmest month, with normal highs of 77°F; December the coldest, with normal lows of 16°F. The most precipitation falls in August (3.52 in), the least in January (0.56 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 37°F | 16°F | 26.5°F | 0.56 | 8.4 | 4 | <1 | 31 | 9 h 40 min |
| February | 38°F | 16°F | 27.0°F | 0.87 | 12.0 | 6 | <1 | 27 | 10 h 40 min |
| March | 47°F | 23°F | 34.5°F | 1.61 | 10.2 | 5 | <1 | 27 | 11 h 50 min |
| April | 53°F | 28°F | 40.3°F | 1.75 | 15.8 | 7 | <1 | 21 | 13 h 10 min |
| May | 63°F | 36°F | 49.3°F | 2.08 | 7.1 | 11 | <1 | 11 | 14 h 20 min |
| June | 73°F | 47°F | 59.6°F | 1.22 | 0.0 | 9 | <1 | <1 | 14 h 50 min |
| July | 77°F | 50°F | 63.4°F | 3.49 | 0.0 | 17 | <1 | <1 | 14 h 40 min |
| August | 74°F | 49°F | 61.4°F | 3.52 | 0.0 | 14 | <1 | <1 | 13 h 40 min |
| September | 67°F | 44°F | 55.4°F | 1.55 | 1.2 | 8 | <1 | 2 | 12 h 30 min |
| October | 58°F | 32°F | 45.1°F | 1.09 | 7.5 | 5 | <1 | 14 | 11 h 20 min |
| November | 45°F | 24°F | 34.5°F | 0.64 | 5.1 | 3 | <1 | 25 | 10 h 10 min |
| December | 36°F | 16°F | 26.3°F | 0.91 | 10.4 | 5 | <1 | 31 | 9 h 30 min |
| Year (annual) | 56°F | 32°F | 43.6°F | 19.29 | 77.7 | 94 | <1 | 189 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 3°C | −9°C | −3.1°C | 14 mm | 21 cm |
| February | 3°C | −9°C | −2.8°C | 22 mm | 30 cm |
| March | 8°C | −5°C | 1.4°C | 41 mm | 26 cm |
| April | 12°C | −2°C | 4.6°C | 44 mm | 40 cm |
| May | 17°C | 2°C | 9.6°C | 53 mm | 18 cm |
| June | 23°C | 8°C | 15.3°C | 31 mm | 0 cm |
| July | 25°C | 10°C | 17.4°C | 89 mm | 0 cm |
| August | 23°C | 10°C | 16.3°C | 89 mm | 0 cm |
| September | 19°C | 7°C | 13.0°C | 39 mm | 3 cm |
| October | 14°C | 0°C | 7.3°C | 28 mm | 19 cm |
| November | 7°C | −5°C | 1.4°C | 16 mm | 13 cm |
| December | 2°C | −9°C | −3.2°C | 23 mm | 26 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00053652; 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 Guffey?
Normal highs sit between 65°F and 85°F in June, July, August and September. Of those, September has the fewest days with rain (8).
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 USC00053652.
When is the last frost in Guffey?
In Guffey, the last spring frost (32°F) comes after May 19 in half of years and after May 31 in one year in ten; the first autumn frost comes before October 2 in half of years and before September 19 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 191 year in 10 after May 31; 9 in 10 after May 7
- First autumn frost, half of years before
- October 21 year in 10 before September 19; 9 in 10 before October 13
NOAA puts the median frost-free season at 134 days, and the season without a hard freeze (28°F) at 152 days.
A hard freeze (28°F) comes after May 10 in half of springs and before October 9 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Guffey in zone 5b in ZIP code 80820, the nearest ZIP area.
Frost dates for every NOAA station in Colorado · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00053652; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. 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 Guffey?
In a normal year in Guffey, a 90°F day is rare, 189 nights fall to 32°F or colder and 94 days bring measurable precipitation.
- Days at 90°F or more
- fewer than 1a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 189a normal year
- Days that stay below freezing
- 34high of 32°F or less
- Days with 0.01 inch of precipitation
- 94a normal year
- Days with 1 inch of snow or more
- 24a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00053652.
How sunny is Guffey?
Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Guffey, 5.0 kWh per square metre a day. January is the sunniest month (84%) and May the cloudiest (76%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 84% | 3.0 |
| February | 84% | 4.0 |
| March | 81% | 5.1 |
| April | 77% | 6.0 |
| May | 76% | 6.7 |
| June | 81% | 7.3 |
| July | 77% | 6.5 |
| August | 78% | 6.0 |
| September | 83% | 5.4 |
| October | 84% | 4.2 |
| November | 83% | 3.1 |
| December | 82% | 2.6 |
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 Guffey need?
A normal year in Guffey brings 7,821 heating degree days, 46% more than the median U.S. place (5,373), and 48 cooling degree days, 95% 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 1,395 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,194 | 0 |
| February | 1,065 | 0 |
| March | 944 | 0 |
| April | 741 | 0 |
| May | 486 | 0 |
| June | 173 | 11 |
| July | 72 | 24 |
| August | 124 | 11 |
| September | 290 | 1 |
| October | 617 | 0 |
| November | 915 | 0 |
| December | 1,201 | 0 |
| Year (annual) | 7,821 | 48 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00053652. 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 Guffey been warmer than normal lately?
2025 averaged 45.6°F, 2.0°F above the 1991-2020 normal of 43.6°F. 3 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 44.6°F | +1.0°F | 17.12 | 67.8 |
| 2022 | 43.6°F | at normal | 18.11 | 103.6 |
| 2023 | 43.4°F | −0.2°F | 21.86 | 74.7 |
| 2024 | 44.8°F | +1.2°F | 19.12 | 131.7 |
| 2025 | 45.6°F | +2.0°F | 18.40 | 62.5 |
Source: observed years: ACIS, station USC00053652. A year counts only with all twelve months complete.
How does Guffey's climate compare?
Guffey is warmer than 31 of the other 124 places with their own NOAA record in Colorado, and wetter than 104. Across the 7,247 U.S. stations with normals, its annual mean of 43.6°F is warmer than 14%.
In the Köppen classification computed from these normals, Guffey is Dfb: continental, no dry season, warm summer. 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 Guffey's climate
What is the coldest month in Guffey?
December, with a normal high of 36°F and a normal low of 16°F. The warmest is July (77°F by day, 50°F at night).
Does it snow in Guffey?
Yes: 78 inches in a normal year, falling on 34 days with 0.1 inch or more, the most in April (15.8 inches).
What is the rainiest month in Guffey?
August, with 3.52 in of precipitation in a normal year; the driest is January with 0.56 in.
What plant hardiness zone is Guffey in?
The USDA's 2023 map puts Guffey in zone 5b in ZIP code 80820, the nearest ZIP area.
How late can frost come in Guffey?
In half of years the last 32°F night comes after May 19; in one year in ten it comes after May 31. Waiting until May 31 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Colorado climateThe statewide normals and every place in the state
- Cripple Creek, CO13 miles from this station, 41.6°F a year
- Lake George (8 mi SW), CO16 miles from this station, 38.9°F a year
- Florissant, CO17 miles from this station, 40.3°F a year
- Cañon City, CO18 miles from this station, 52.1°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made