Mancos, Colorado climate: Normal weather by month, frost dates and records
Mancos's normal year runs from 12°F January nights to 85°F July afternoons, with 15.7 inches of precipitation and 57 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 7.9°C, January lows of −11°C, July highs of 29°C, 398 mm of precipitation a year.
- NOAA stationMancos (1 mi SW)
- Station IDUSC00055327
- Location37.34°N 108.32°W
- Elevation6,897 ft (2,102 m)
- Population1,272
On October 23, the normal high in Mancos is 61°F and the normal low 29°F, and the chance of measurable rain or snow is 19%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Mancos.
- Jan 40° 12°
- Feb 44° 17°
- Mar 53° 23°
- Apr 61° 28°
- May 70° 35°
- Jun 81° 43°
- Jul 85° 51°
- Aug 82° 49°
- Sep 75° 42°
- Oct 64° 31°
- Nov 51° 22°
- Dec 41° 14°
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 Mancos each month?
July is the warmest month, with normal highs of 85°F; January the coldest, with normal lows of 12°F. The most precipitation falls in September (1.90 in), the least in June (0.58 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 40°F | 12°F | 26.2°F | 1.38 | 14.7 | 8 | <1 | 30 | 9 h 50 min |
| February | 44°F | 17°F | 30.3°F | 1.27 | 12.8 | 7 | <1 | 27 | 10 h 50 min |
| March | 53°F | 23°F | 37.8°F | 1.14 | 6.6 | 7 | <1 | 28 | 11 h 50 min |
| April | 61°F | 28°F | 44.3°F | 1.04 | 3.5 | 6 | <1 | 21 | 13 h 10 min |
| May | 70°F | 35°F | 52.4°F | 1.04 | 0.9 | 6 | <1 | 9 | 14 h 10 min |
| June | 81°F | 43°F | 61.8°F | 0.58 | 0.0 | 4 | 2 | 1 | 14 h 40 min |
| July | 85°F | 51°F | 67.8°F | 1.64 | 0.0 | 10 | 6 | <1 | 14 h 30 min |
| August | 82°F | 49°F | 65.9°F | 1.79 | 0.0 | 11 | 2 | <1 | 13 h 40 min |
| September | 75°F | 42°F | 58.3°F | 1.90 | 0.0 | 8 | 1 | 2 | 12 h 30 min |
| October | 64°F | 31°F | 47.4°F | 1.42 | 0.6 | 6 | <1 | 16 | 11 h 20 min |
| November | 51°F | 22°F | 36.3°F | 1.22 | 5.2 | 6 | <1 | 28 | 10 h 10 min |
| December | 41°F | 14°F | 27.3°F | 1.25 | 12.8 | 7 | <1 | 30 | 9 h 40 min |
| Year (annual) | 62°F | 31°F | 46.3°F | 15.67 | 57.1 | 83 | 10 | 194 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 4°C | −11°C | −3.2°C | 35 mm | 37 cm |
| February | 7°C | −8°C | −0.9°C | 32 mm | 33 cm |
| March | 12°C | −5°C | 3.2°C | 29 mm | 17 cm |
| April | 16°C | −2°C | 6.8°C | 26 mm | 9 cm |
| May | 21°C | 2°C | 11.3°C | 26 mm | 2 cm |
| June | 27°C | 6°C | 16.6°C | 15 mm | 0 cm |
| July | 29°C | 10°C | 19.9°C | 42 mm | 0 cm |
| August | 28°C | 10°C | 18.8°C | 45 mm | 0 cm |
| September | 24°C | 5°C | 14.6°C | 48 mm | 0 cm |
| October | 18°C | −1°C | 8.6°C | 36 mm | 2 cm |
| November | 11°C | −6°C | 2.4°C | 31 mm | 13 cm |
| December | 5°C | −10°C | −2.6°C | 32 mm | 33 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00055327; 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 Mancos?
Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, June has the fewest days with rain (4).
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 USC00055327.
When is the last frost in Mancos?
In Mancos, the last spring frost (32°F) comes after June 4 in half of years and after June 19 in one year in ten; the first autumn frost comes before September 24 in half of years and before September 9 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
- June 41 year in 10 after June 19; 9 in 10 after May 20
- First autumn frost, half of years before
- September 241 year in 10 before September 9; 9 in 10 before October 4
NOAA puts the median frost-free season at 111 days, and the season without a hard freeze (28°F) at 132 days.
A hard freeze (28°F) comes after May 21 in half of springs and before October 2 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Mancos in zone 6a in ZIP code 81328, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Mancos's NOAA station is in zone 6a: the coldest night of a typical year reaches −9°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 USC00055327; 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 Mancos?
In a normal year in Mancos, 10 days a year reach 90°F, 194 nights fall to 32°F or colder and 83 days bring measurable precipitation.
- Days at 90°F or more
- 10a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 194a normal year
- Days that stay below freezing
- 14high of 32°F or less
- Days with 0.01 inch of precipitation
- 83a normal year
- Days with 1 inch of snow or more
- 20a normal year
The highest temperature in this station's record (since 1898) is 96°F, on June 27, 2013; the lowest is −26°F, on February 7, 1899.
The wettest calendar year on that record is 1905, with 27.14 in; the snowiest season is 2018–19, with 120.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00055327; records: ACIS (NOAA Regional Climate Centers), station USC00055327. Records use complete months only; a month missing more than three days is left out.
How sunny is Mancos?
Over a year 83% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Mancos, 5.3 kWh per square metre a day. June is the sunniest month (91%) and December the cloudiest (75%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 78% | 2.8 |
| February | 76% | 3.7 |
| March | 80% | 5.1 |
| April | 81% | 6.4 |
| May | 84% | 7.5 |
| June | 91% | 8.3 |
| July | 85% | 7.3 |
| August | 84% | 6.5 |
| September | 86% | 5.7 |
| October | 85% | 4.4 |
| November | 83% | 3.2 |
| December | 75% | 2.4 |
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 Mancos need?
A normal year in Mancos brings 6,978 heating degree days, 30% more than the median U.S. place (5,373), and 190 cooling degree days, 79% 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 1,851 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,203 | 0 |
| February | 970 | 0 |
| March | 843 | 0 |
| April | 621 | 0 |
| May | 392 | 1 |
| June | 122 | 26 |
| July | 13 | 98 |
| August | 33 | 59 |
| September | 205 | 5 |
| October | 544 | 0 |
| November | 863 | 0 |
| December | 1,170 | 0 |
| Year (annual) | 6,978 | 190 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00055327. 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 Mancos been warmer than normal lately?
2024 averaged 48.8°F, 2.5°F above the 1991-2020 normal of 46.3°F. 4 of the 4 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 48.2°F | +1.9°F | 14.99 | 72.5 |
| 2022 | 47.6°F | +1.3°F | 14.27 | 55.5 |
| 2023 | 46.4°F | +0.1°F | 16.09 | 106.6 |
| 2024 | 48.8°F | +2.5°F | 17.83 | 44.3 |
Source: observed years: ACIS, station USC00055327. A year counts only with all twelve months complete.
How does Mancos's climate compare?
Mancos is warmer than 44 of the other 124 places with their own NOAA record in Colorado, and wetter than 65. Across the 7,247 U.S. stations with normals, its annual mean of 46.3°F is warmer than 25%.
In the Köppen classification computed from these normals, Mancos 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 Mancos's climate
What is the coldest month in Mancos?
January, with a normal high of 40°F and a normal low of 12°F. The warmest is July (85°F by day, 51°F at night).
Does it snow in Mancos?
Yes: 57 inches in a normal year, falling on 24 days with 0.1 inch or more, the most in January (14.7 inches).
What is the rainiest month in Mancos?
September, with 1.90 in of precipitation in a normal year; the driest is June with 0.58 in.
What plant hardiness zone is Mancos in?
The USDA's 2023 map puts Mancos in zone 6a in ZIP code 81328, the nearest ZIP area. By the same method at Mancos's NOAA station, the coldest night of a typical year reaches −9°F (27 years, 1991-2020): zone 6a.
How late can frost come in Mancos?
In half of years the last 32°F night comes after June 4; in one year in ten it comes after June 19. Waiting until June 19 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Colorado climateThe statewide normals and every place in the state
- Mesa Verde National Park, CO13 miles from this station, 49.9°F a year
- Fort Lewis, CO16 miles from this station, 44.3°F a year
- Cortez, CO17 miles from this station, 49.0°F a year
- Yellow Jacket (4 mi NE), CO25 miles from this station, 48.4°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made