Sedgwick, Colorado climate: Normal weather by month, frost dates and records
Sedgwick's normal year runs from 15°F January nights to 90°F July afternoons, with 17.6 inches of precipitation and 31 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 9.8°C, January lows of −9°C, July highs of 32°C, 447 mm of precipitation a year.
- NOAA stationSedgwick (5 mi S)
- Station IDUSC00057515
- Location40.87°N 102.52°W
- Elevation3,996 ft (1,218 m)
- Population164
On October 23, the normal high in Sedgwick is 60°F and the normal low 32°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 Sedgwick.
- Jan 40° 15°
- Feb 42° 17°
- Mar 53° 25°
- Apr 61° 33°
- May 70° 44°
- Jun 83° 54°
- Jul 90° 60°
- Aug 87° 58°
- Sep 79° 49°
- Oct 64° 36°
- Nov 50° 24°
- Dec 40° 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 Sedgwick each month?
July is the warmest month, with normal highs of 90°F; January the coldest, with normal lows of 15°F. The most precipitation falls in June (3.15 in), the least in January (0.32 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 40°F | 15°F | 27.4°F | 0.32 | 4.1 | 3 | <1 | 30 | 9 h 30 min |
| February | 42°F | 17°F | 29.8°F | 0.49 | 6.1 | 4 | <1 | 26 | 10 h 40 min |
| March | 53°F | 25°F | 39.3°F | 0.90 | 5.1 | 5 | <1 | 23 | 11 h 50 min |
| April | 61°F | 33°F | 46.8°F | 2.03 | 4.6 | 7 | <1 | 12 | 13 h 20 min |
| May | 70°F | 44°F | 56.9°F | 2.92 | 0.4 | 9 | 2 | 2 | 14 h 30 min |
| June | 83°F | 54°F | 68.5°F | 3.15 | 0.0 | 9 | 8 | <1 | 15 h 10 min |
| July | 90°F | 60°F | 75.0°F | 2.16 | 0.0 | 7 | 18 | <1 | 14 h 50 min |
| August | 87°F | 58°F | 72.6°F | 2.08 | 0.0 | 7 | 15 | <1 | 13 h 50 min |
| September | 79°F | 49°F | 64.1°F | 1.35 | 0.2 | 5 | 7 | <1 | 12 h 30 min |
| October | 64°F | 36°F | 49.7°F | 1.32 | 2.5 | 6 | 1 | 9 | 11 h 10 min |
| November | 50°F | 24°F | 37.4°F | 0.52 | 3.6 | 3 | <1 | 24 | 10 h |
| December | 40°F | 16°F | 27.9°F | 0.37 | 4.8 | 3 | <1 | 30 | 9 h 20 min |
| Year (annual) | 63°F | 36°F | 49.6°F | 17.61 | 31.4 | 68 | 49 | 157 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 4°C | −9°C | −2.6°C | 8 mm | 10 cm |
| February | 6°C | −8°C | −1.2°C | 12 mm | 15 cm |
| March | 12°C | −4°C | 4.1°C | 23 mm | 13 cm |
| April | 16°C | 1°C | 8.2°C | 52 mm | 12 cm |
| May | 21°C | 7°C | 13.8°C | 74 mm | 1 cm |
| June | 28°C | 12°C | 20.3°C | 80 mm | 0 cm |
| July | 32°C | 16°C | 23.9°C | 55 mm | 0 cm |
| August | 31°C | 14°C | 22.6°C | 53 mm | 0 cm |
| September | 26°C | 9°C | 17.8°C | 34 mm | 1 cm |
| October | 18°C | 2°C | 9.8°C | 34 mm | 6 cm |
| November | 10°C | −4°C | 3.0°C | 13 mm | 9 cm |
| December | 4°C | −9°C | −2.3°C | 9 mm | 12 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00057515; 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 Sedgwick?
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 USC00057515.
When is the last frost in Sedgwick?
In Sedgwick, the last spring frost (32°F) comes after May 6 in half of years and after May 18 in one year in ten; the first autumn frost comes before October 7 in half of years and before September 24 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 61 year in 10 after May 18; 9 in 10 after April 24
- First autumn frost, half of years before
- October 71 year in 10 before September 24; 9 in 10 before October 19
NOAA puts the median frost-free season at 152 days, and the season without a hard freeze (28°F) at 171 days.
A hard freeze (28°F) comes after April 27 in half of springs and before October 16 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Sedgwick in zone 5b in ZIP code 80749, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Sedgwick's NOAA station is in zone 5b: the coldest night of a typical year reaches −12°F (29 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 USC00057515; 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 Sedgwick?
In a normal year in Sedgwick, 49 days a year reach 90°F (7 of them 100°F or more), 157 nights fall to 32°F or colder and 68 days bring measurable precipitation.
- Days at 90°F or more
- 49a normal year
- Days at 100°F or more
- 7a normal year
- Nights at 32°F or colder
- 157a normal year
- Days that stay below freezing
- 28high of 32°F or less
- Days with 0.01 inch of precipitation
- 68a normal year
- Days with 1 inch of snow or more
- 12a normal year
The highest temperature in this station's record (since 1952) is 110°F, on June 27, 2012; the lowest is −30°F, on December 22, 1989.
The wettest calendar year on that record is 2009, with 28.14 in; the snowiest season is 1983–84, with 95.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00057515; records: ACIS (NOAA Regional Climate Centers), station USC00057515. Records use complete months only; a month missing more than three days is left out.
How sunny is Sedgwick?
Over a year 81% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Sedgwick, 4.7 kWh per square metre a day. July is the sunniest month (88%) and February the cloudiest (75%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 79% | 2.4 |
| February | 75% | 3.2 |
| March | 77% | 4.5 |
| April | 75% | 5.6 |
| May | 77% | 6.4 |
| June | 85% | 7.4 |
| July | 88% | 7.2 |
| August | 87% | 6.3 |
| September | 86% | 5.2 |
| October | 80% | 3.7 |
| November | 80% | 2.7 |
| December | 77% | 2.1 |
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 Sedgwick need?
A normal year in Sedgwick brings 6,399 heating degree days, 19% more than the median U.S. place (5,373), and 825 cooling degree days, 9% 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 2,944 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,167 | 0 |
| February | 986 | 0 |
| March | 797 | 0 |
| April | 545 | 1 |
| May | 274 | 24 |
| June | 45 | 150 |
| July | 4 | 314 |
| August | 12 | 246 |
| September | 115 | 86 |
| October | 477 | 4 |
| November | 830 | 0 |
| December | 1,148 | 0 |
| Year (annual) | 6,399 | 825 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00057515. 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 Sedgwick been warmer than normal lately?
2025 averaged 51.9°F, 2.3°F above the 1991-2020 normal of 49.6°F. 4 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 51.2°F | +1.6°F | 17.61 | 15.5 |
| 2022 | 49.9°F | +0.3°F | 11.46 | 41.7 |
| 2023 | 48.7°F | −0.9°F | 20.33 | 51.4 |
| 2024 | 52.5°F | +2.9°F | 20.66 | 29.8 |
| 2025 | 51.9°F | +2.3°F | 19.58 | 11.0 |
Over 62 complete years from 1960 to 2025, the station's annual mean temperature rose at a fitted 4.5°F per century (+0.25°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00057515; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Sedgwick's climate compare?
Sedgwick is warmer than 69 of the other 124 places with their own NOAA record in Colorado, and wetter than 90. Across the 7,247 U.S. stations with normals, its annual mean of 49.6°F is warmer than 38%.
In the Köppen classification computed from these normals, Sedgwick 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 Sedgwick's climate
What is the coldest month in Sedgwick?
January, with a normal high of 40°F and a normal low of 15°F. The warmest is July (90°F by day, 60°F at night).
Does it snow in Sedgwick?
Yes: 31 inches in a normal year, falling on 16 days with 0.1 inch or more, the most in February (6.1 inches).
What is the rainiest month in Sedgwick?
June, with 3.15 in of precipitation in a normal year; the driest is January with 0.32 in.
What plant hardiness zone is Sedgwick in?
The USDA's 2023 map puts Sedgwick in zone 5b in ZIP code 80749, the nearest ZIP area. By the same method at Sedgwick's NOAA station, the coldest night of a typical year reaches −12°F (29 years, 1991-2020): zone 5b.
How late can frost come in Sedgwick?
In half of years the last 32°F night comes after May 6; in one year in ten it comes after May 18. Waiting until May 18 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Colorado climateThe statewide normals and every place in the state
- Crook, CO15 miles from this station, 50.5°F a year
- Julesburg, CO16 miles from this station, 50.0°F a year
- Chappell, NE16 miles from this station, 48.6°F a year
- Lodgepole, NE21 miles from this station, 49.1°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made