Shaw (4 mi ENE), Colorado climate: Climate normals at a NOAA weather station
Shaw (4 mi ENE)'s normal year runs from 14°F January nights to 89°F July afternoons, with 16.4 inches of precipitation and 45 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 9.4°C, January lows of −10°C, July highs of 31°C, 416 mm of precipitation a year.
- NOAA stationShaw (4 mi ENE)
- Station IDUSC00057560
- Location39.57°N 103.29°W
- Elevation5,000 ft (1,524 m)
On October 23, the normal high in Shaw (4 mi ENE) is 62°F and the normal low 31°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 Shaw (4 mi ENE).
- Jan 42° 14°
- Feb 44° 15°
- Mar 55° 24°
- Apr 61° 31°
- May 71° 41°
- Jun 83° 51°
- Jul 89° 57°
- Aug 86° 56°
- Sep 79° 46°
- Oct 65° 33°
- Nov 52° 23°
- Dec 42° 15°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Shaw (4 mi ENE) each month?
July is the warmest month, with normal highs of 89°F; January the coldest, with normal lows of 14°F. The most precipitation falls in July (2.92 in), the least in January (0.32 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 42°F | 14°F | 27.9°F | 0.32 | 5.2 | 4 | <1 | 31 | 9 h 40 min |
| February | 44°F | 15°F | 29.7°F | 0.49 | 7.0 | 5 | <1 | 28 | 10 h 40 min |
| March | 55°F | 24°F | 39.4°F | 0.91 | 8.2 | 5 | <1 | 26 | 11 h 50 min |
| April | 61°F | 31°F | 46.2°F | 1.63 | 6.2 | 7 | <1 | 16 | 13 h 10 min |
| May | 71°F | 41°F | 56.1°F | 2.30 | 0.9 | 9 | 1 | 4 | 14 h 20 min |
| June | 83°F | 51°F | 67.1°F | 2.08 | 0.0 | 8 | 8 | <1 | 15 h |
| July | 89°F | 57°F | 72.9°F | 2.92 | 0.0 | 9 | 17 | <1 | 14 h 40 min |
| August | 86°F | 56°F | 70.9°F | 2.33 | 0.0 | 9 | 12 | <1 | 13 h 50 min |
| September | 79°F | 46°F | 62.6°F | 1.23 | 0.6 | 5 | 5 | 1 | 12 h 30 min |
| October | 65°F | 33°F | 49.2°F | 1.18 | 4.6 | 5 | <1 | 12 | 11 h 10 min |
| November | 52°F | 23°F | 37.4°F | 0.55 | 5.1 | 4 | <1 | 26 | 10 h |
| December | 42°F | 15°F | 28.4°F | 0.42 | 6.9 | 4 | <1 | 31 | 9 h 20 min |
| Year (annual) | 64°F | 34°F | 49.0°F | 16.36 | 44.7 | 75 | 43 | 175 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 5°C | −10°C | −2.3°C | 8 mm | 13 cm |
| February | 7°C | −9°C | −1.3°C | 12 mm | 18 cm |
| March | 13°C | −4°C | 4.1°C | 23 mm | 21 cm |
| April | 16°C | 0°C | 7.9°C | 41 mm | 16 cm |
| May | 22°C | 5°C | 13.4°C | 58 mm | 2 cm |
| June | 28°C | 11°C | 19.5°C | 53 mm | 0 cm |
| July | 31°C | 14°C | 22.7°C | 74 mm | 0 cm |
| August | 30°C | 13°C | 21.6°C | 59 mm | 0 cm |
| September | 26°C | 8°C | 17.0°C | 31 mm | 2 cm |
| October | 18°C | 1°C | 9.6°C | 30 mm | 12 cm |
| November | 11°C | −5°C | 3.0°C | 14 mm | 13 cm |
| December | 6°C | −10°C | −2.0°C | 11 mm | 18 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00057560; 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.
Which months are mildest at Shaw (4 mi ENE)?
Normal highs sit between 65°F and 85°F in May, June and September. Of those, September has the fewest days with rain (5).
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 USC00057560.
When is the last frost at Shaw (4 mi ENE)?
In Shaw (4 mi ENE), the last spring frost (32°F) comes after May 12 in half of years and after May 26 in one year in ten; the first autumn frost comes before October 4 in half of years and before September 21 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 121 year in 10 after May 26; 9 in 10 after April 30
- First autumn frost, half of years before
- October 41 year in 10 before September 21; 9 in 10 before October 16
NOAA puts the median frost-free season at 143 days, and the season without a hard freeze (28°F) at 163 days.
A hard freeze (28°F) comes after May 1 in half of springs and before October 13 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Shaw (4 mi ENE) in zone 5b in ZIP code 80740, 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 USC00057560; 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 at Shaw (4 mi ENE)?
In a normal year in Shaw (4 mi ENE), 43 days a year reach 90°F (3 of them 100°F or more), 175 nights fall to 32°F or colder and 75 days bring measurable precipitation.
- Days at 90°F or more
- 43a normal year
- Days at 100°F or more
- 3a normal year
- Nights at 32°F or colder
- 175a normal year
- Days that stay below freezing
- 27high of 32°F or less
- Days with 0.01 inch of precipitation
- 75a normal year
- Days with 1 inch of snow or more
- 15a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00057560.
How sunny is it at Shaw (4 mi ENE)?
Over a year 82% of the sunlight that would reach the ground under clear skies gets through the clouds at Shaw (4 mi ENE), 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 many heating and cooling degree days does Shaw (4 mi ENE) record?
A normal year at Shaw (4 mi ENE) brings 6,458 heating degree days, 20% more than the median U.S. place (5,373), and 654 cooling degree days, 28% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,703 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,149 | 0 |
| February | 987 | 0 |
| March | 795 | 0 |
| April | 563 | 1 |
| May | 291 | 17 |
| June | 58 | 121 |
| July | 6 | 252 |
| August | 15 | 198 |
| September | 138 | 64 |
| October | 493 | 2 |
| November | 828 | 0 |
| December | 1,136 | 0 |
| Year (annual) | 6,458 | 654 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00057560. 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.
How does Shaw (4 mi ENE)'s climate compare?
Shaw (4 mi ENE) is warmer than 64 of the 125 places with their own NOAA record in Colorado, and wetter than 75. Across the 7,247 U.S. stations with normals, its annual mean of 49.0°F is warmer than 36%.
In the Köppen classification computed from these normals, Shaw (4 mi ENE) 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 Shaw (4 mi ENE)'s climate
What is the coldest month at Shaw (4 mi ENE)?
January, with a normal high of 42°F and a normal low of 14°F. The warmest is July (89°F by day, 57°F at night).
Does it snow at Shaw (4 mi ENE)?
Yes: 45 inches in a normal year, falling on 25 days with 0.1 inch or more, the most in March (8.2 inches).
What is the rainiest month at Shaw (4 mi ENE)?
July, with 2.92 in of precipitation in a normal year; the driest is January with 0.32 in.
What plant hardiness zone is Shaw (4 mi ENE) in?
The USDA's 2023 map puts Shaw (4 mi ENE) in zone 5b in ZIP code 80740, the nearest ZIP area.
How late can frost come at Shaw (4 mi ENE)?
In half of years the last 32°F night comes after May 12; in one year in ten it comes after May 26. Waiting until May 26 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Colorado climateThe statewide normals and every place in the state
- Lindon (5 mi WNW), CO17 miles from this station, 50.0°F a year
- Genoa, CO23 miles from this station, 49.9°F a year
- Flagler, CO24 miles from this station, 51.2°F a year
- Seibert, CO30 miles from this station, 49.9°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made