Syracuse, Kansas climate: Normal weather by month, frost dates and records
Syracuse's normal year runs from 14°F January nights to 93°F July afternoons, with 17.0 inches of precipitation and 17 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 11.9°C, January lows of −10°C, July highs of 34°C, 432 mm of precipitation a year.
- NOAA stationSyracuse (1 mi NE)
- Station IDUSC00148038
- Location37.99°N 101.74°W
- Elevation3,308 ft (1,008 m)
- Population1,807
On October 23, the normal high in Syracuse is 68°F and the normal low 33°F, and the chance of measurable rain or snow is 12%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Syracuse.
- Jan 46° 14°
- Feb 51° 17°
- Mar 60° 26°
- Apr 69° 35°
- May 78° 47°
- Jun 89° 57°
- Jul 93° 63°
- Aug 90° 61°
- Sep 84° 51°
- Oct 71° 37°
- Nov 57° 24°
- Dec 47° 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 in Syracuse each month?
July is the warmest month, with normal highs of 93°F; January the coldest, with normal lows of 14°F. The most precipitation falls in July (3.32 in), the least in January (0.33 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 46°F | 14°F | 30.0°F | 0.33 | 3.3 | 3 | <1 | 31 | 9 h 50 min |
| February | 51°F | 17°F | 33.8°F | 0.37 | 2.1 | 3 | <1 | 27 | 10 h 50 min |
| March | 60°F | 26°F | 43.2°F | 0.92 | 3.7 | 4 | <1 | 23 | 11 h 50 min |
| April | 69°F | 35°F | 51.9°F | 1.42 | 1.3 | 6 | 1 | 10 | 13 h 10 min |
| May | 78°F | 47°F | 62.2°F | 2.02 | 0.9 | 7 | 5 | 1 | 14 h 10 min |
| June | 89°F | 57°F | 72.9°F | 2.31 | 0.0 | 7 | 15 | <1 | 14 h 50 min |
| July | 93°F | 63°F | 77.9°F | 3.32 | 0.0 | 8 | 22 | <1 | 14 h 30 min |
| August | 90°F | 61°F | 75.6°F | 2.80 | 0.0 | 7 | 19 | <1 | 13 h 40 min |
| September | 84°F | 51°F | 67.5°F | 1.10 | 0.0 | 4 | 10 | <1 | 12 h 30 min |
| October | 71°F | 37°F | 53.8°F | 1.37 | 0.9 | 4 | 2 | 9 | 11 h 20 min |
| November | 57°F | 24°F | 40.7°F | 0.47 | 1.6 | 3 | <1 | 25 | 10 h 10 min |
| December | 47°F | 15°F | 30.8°F | 0.58 | 3.1 | 3 | <1 | 31 | 9 h 30 min |
| Year (annual) | 70°F | 37°F | 53.4°F | 17.01 | 16.9 | 58 | 74 | 157 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 8°C | −10°C | −1.1°C | 8 mm | 8 cm |
| February | 10°C | −8°C | 1.0°C | 9 mm | 5 cm |
| March | 16°C | −3°C | 6.2°C | 23 mm | 9 cm |
| April | 20°C | 2°C | 11.1°C | 36 mm | 3 cm |
| May | 26°C | 8°C | 16.8°C | 51 mm | 2 cm |
| June | 31°C | 14°C | 22.7°C | 59 mm | 0 cm |
| July | 34°C | 17°C | 25.5°C | 84 mm | 0 cm |
| August | 32°C | 16°C | 24.2°C | 71 mm | 0 cm |
| September | 29°C | 11°C | 19.7°C | 28 mm | 0 cm |
| October | 22°C | 3°C | 12.1°C | 35 mm | 2 cm |
| November | 14°C | −4°C | 4.8°C | 12 mm | 4 cm |
| December | 8°C | −10°C | −0.7°C | 15 mm | 8 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00148038; 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 Syracuse?
Normal highs sit between 65°F and 85°F in April, May, September and October. Of those, September 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 USC00148038.
When is the last frost in Syracuse?
In Syracuse, the last spring frost (32°F) comes after May 1 in half of years and after May 14 in one year in ten; the first autumn frost comes before October 10 in half of years and before September 28 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 11 year in 10 after May 14; 9 in 10 after April 17
- First autumn frost, half of years before
- October 101 year in 10 before September 28; 9 in 10 before October 21
NOAA puts the median frost-free season at 162 days, and the season without a hard freeze (28°F) at 179 days.
A hard freeze (28°F) comes after April 21 in half of springs and before October 19 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Syracuse in zone 6a in ZIP code 67878, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Syracuse's NOAA station is in zone 6a: the coldest night of a typical year reaches −6°F (26 complete years).
Frost dates for every NOAA station in Kansas · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00148038; 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 Syracuse?
In a normal year in Syracuse, 74 days a year reach 90°F (14 of them 100°F or more), 157 nights fall to 32°F or colder and 58 days bring measurable precipitation.
- Days at 90°F or more
- 74a normal year
- Days at 100°F or more
- 14a normal year
- Nights at 32°F or colder
- 157a normal year
- Days that stay below freezing
- 17high of 32°F or less
- Days with 0.01 inch of precipitation
- 58a normal year
- Days with 1 inch of snow or more
- 6a normal year
The highest temperature in this station's record (since 1893) is 114°F, on July 25, 2008; the lowest is −27°F, on January 5, 1942.
The wettest calendar year on that record is 1996, with 27.40 in; the snowiest season is 1992–93, with 54.8 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00148038; records: ACIS (NOAA Regional Climate Centers), station USC00148038. Records use complete months only; a month missing more than three days is left out.
How sunny is Syracuse?
Over a year 84% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Syracuse, 5.0 kWh per square metre a day. July is the sunniest month (90%) and February the cloudiest (76%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 79% | 2.8 |
| February | 76% | 3.5 |
| March | 80% | 4.9 |
| April | 80% | 6.0 |
| May | 83% | 6.9 |
| June | 89% | 7.5 |
| July | 90% | 7.3 |
| August | 88% | 6.5 |
| September | 88% | 5.4 |
| October | 83% | 4.1 |
| November | 83% | 3.1 |
| December | 79% | 2.5 |
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 Syracuse need?
A normal year in Syracuse brings 5,424 heating degree days, 1% more than the median U.S. place (5,373), and 1,217 cooling degree days, 34% more 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 3,688 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,087 | 0 |
| February | 874 | 0 |
| March | 675 | 0 |
| April | 398 | 6 |
| May | 154 | 67 |
| June | 17 | 254 |
| July | 2 | 403 |
| August | 4 | 331 |
| September | 67 | 142 |
| October | 359 | 13 |
| November | 729 | 0 |
| December | 1,060 | 0 |
| Year (annual) | 5,424 | 1,217 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00148038. 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 Syracuse been warmer than normal lately?
2025 averaged 55.3°F, 1.9°F above the 1991-2020 normal of 53.4°F. 5 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 54.3°F | +0.9°F | 17.07 | 10.3 |
| 2022 | 53.6°F | +0.2°F | 11.18 | 13.6 |
| 2023 | 53.5°F | +0.1°F | 22.68 | 12.4 |
| 2024 | 56.5°F | +3.1°F | 18.53 | 13.8 |
| 2025 | 55.3°F | +1.9°F | 15.50 | 7.4 |
Over 64 complete years from 1938 to 2025, the station's annual mean temperature rose at a fitted 1.3°F per century (+0.07°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00148038; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Syracuse's climate compare?
Syracuse is warmer than 32 of the other 136 places with their own NOAA record in Kansas, and wetter than 0. Across the 7,247 U.S. stations with normals, its annual mean of 53.4°F is warmer than 55%.
In the Köppen classification computed from these normals, Syracuse 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 Syracuse's climate
What is the coldest month in Syracuse?
January, with a normal high of 46°F and a normal low of 14°F. The warmest is July (93°F by day, 63°F at night).
Does it snow in Syracuse?
Yes: 17 inches in a normal year, falling on 9 days with 0.1 inch or more, the most in March (3.7 inches).
What is the rainiest month in Syracuse?
July, with 3.32 in of precipitation in a normal year; the driest is January with 0.33 in.
What plant hardiness zone is Syracuse in?
The USDA's 2023 map puts Syracuse in zone 6a in ZIP code 67878, the nearest ZIP area. By the same method at Syracuse's NOAA station, the coldest night of a typical year reaches −6°F (26 years, 1991-2020): zone 6a.
How late can frost come in Syracuse?
In half of years the last 32°F night comes after May 1; in one year in ten it comes after May 14. Waiting until May 14 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Kansas climateThe statewide normals and every place in the state
- Holly, CO22 miles from this station, 53.3°F a year
- Lakin, KS27 miles from this station, 55.7°F a year
- Johnson, KS29 miles from this station, 55.8°F a year
- Tribune, KS33 miles from this station, 52.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made