Dell City, Texas climate: Normal weather by month, frost dates and records
Dell City's normal year runs from 23°F January nights to 96°F July afternoons, with 10.9 inches of precipitation and less than an inch of snow (0.1 in) a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 15.9°C, January lows of −5°C, July highs of 36°C, 277 mm of precipitation a year.
- NOAA stationDell City (5 mi SSW)
- Station IDUSC00412354
- Location31.91°N 105.21°W
- Elevation3,708 ft (1,130 m)
- Population286
On October 23, the normal high in Dell City is 78°F and the normal low 39°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 Dell City.
- Jan 59° 23°
- Feb 64° 28°
- Mar 72° 33°
- Apr 81° 40°
- May 89° 49°
- Jun 97° 59°
- Jul 96° 63°
- Aug 94° 62°
- Sep 88° 55°
- Oct 80° 42°
- Nov 68° 29°
- Dec 59° 24°
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 Dell City each month?
July is the warmest month, with normal highs of 96°F; January the coldest, with normal lows of 23°F. The most precipitation falls in September (1.88 in), the least in April (0.23 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 59°F | 23°F | 41.1°F | 0.45 | 2 | <1 | 27 | 10 h 20 min |
| February | 64°F | 28°F | 46.0°F | 0.62 | 2 | <1 | 17 | 11 h |
| March | 72°F | 33°F | 52.8°F | 0.36 | 2 | <1 | 10 | 12 h |
| April | 81°F | 40°F | 60.4°F | 0.23 | 1 | 5 | 3 | 13 h |
| May | 89°F | 49°F | 69.1°F | 0.64 | 2 | 18 | <1 | 13 h 50 min |
| June | 97°F | 59°F | 77.8°F | 1.10 | 4 | 28 | <1 | 14 h 10 min |
| July | 96°F | 63°F | 79.3°F | 1.78 | 5 | 29 | <1 | 14 h |
| August | 94°F | 62°F | 78.1°F | 1.83 | 5 | 27 | <1 | 13 h 20 min |
| September | 88°F | 55°F | 71.4°F | 1.88 | 5 | 18 | <1 | 12 h 20 min |
| October | 80°F | 42°F | 61.4°F | 1.05 | 4 | 6 | 2 | 11 h 30 min |
| November | 68°F | 29°F | 48.6°F | 0.45 | 2 | <1 | 17 | 10 h 30 min |
| December | 59°F | 24°F | 41.3°F | 0.51 | 2 | <1 | 26 | 10 h |
| Year (annual) | 79°F | 42°F | 60.6°F | 10.90 | 36 | 130 | 102 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 15°C | −5°C | 5.1°C | 11 mm |
| February | 18°C | −2°C | 7.8°C | 16 mm |
| March | 22°C | 1°C | 11.6°C | 9 mm |
| April | 27°C | 5°C | 15.8°C | 6 mm |
| May | 32°C | 10°C | 20.6°C | 16 mm |
| June | 36°C | 15°C | 25.4°C | 28 mm |
| July | 36°C | 17°C | 26.3°C | 45 mm |
| August | 35°C | 17°C | 25.6°C | 46 mm |
| September | 31°C | 13°C | 21.9°C | 48 mm |
| October | 27°C | 6°C | 16.3°C | 27 mm |
| November | 20°C | −2°C | 9.2°C | 11 mm |
| December | 15°C | −5°C | 5.2°C | 13 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00412354; 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 Dell City?
Normal highs sit between 65°F and 85°F in March, April, October and November. Of those, April has the fewest days with rain (1).
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 USC00412354.
When is the last frost in Dell City?
In Dell City, the last spring frost (32°F) comes after April 17 in half of years and after May 1 in one year in ten; the first autumn frost comes before October 25 in half of years and before October 11 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
- April 171 year in 10 after May 1; 9 in 10 after April 2
- First autumn frost, half of years before
- October 251 year in 10 before October 11; 9 in 10 before November 6
NOAA puts the median frost-free season at 189 days, and the season without a hard freeze (28°F) at 209 days.
A hard freeze (28°F) comes after April 4 in half of springs and before November 2 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Dell City in zone 7b in ZIP code 79837, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Dell City's NOAA station is in zone 7b: the coldest night of a typical year reaches 10°F (23 complete years).
Frost dates for every NOAA station in Texas · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00412354; 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 Dell City?
In a normal year in Dell City, 130 days a year reach 90°F (40 of them 100°F or more), 102 nights fall to 32°F or colder and 36 days bring measurable precipitation.
- Days at 90°F or more
- 130a normal year
- Days at 100°F or more
- 40a normal year
- Nights at 32°F or colder
- 102a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 36a normal year
The highest temperature in this station's record (since 1979) is 115°F, on June 28, 1994; the lowest is −9°F, on February 2, 2011.
The wettest calendar year on that record is 2004, with 23.22 in; the snowiest season is 1982–83, with 4.7 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00412354; records: ACIS (NOAA Regional Climate Centers), station USC00412354. Records use complete months only; a month missing more than three days is left out.
How sunny is Dell City?
Over a year 90% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Dell City, 5.8 kWh per square metre a day. June is the sunniest month (93%) and December the cloudiest (86%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 87% | 3.7 |
| February | 88% | 4.7 |
| March | 89% | 6.0 |
| April | 92% | 7.3 |
| May | 93% | 7.9 |
| June | 93% | 8.0 |
| July | 87% | 7.1 |
| August | 87% | 6.7 |
| September | 89% | 5.9 |
| October | 91% | 5.1 |
| November | 89% | 4.0 |
| December | 86% | 3.4 |
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 Dell City need?
A normal year in Dell City brings 3,235 heating degree days, 40% fewer than the median U.S. place (5,373), and 1,656 cooling degree days, 82% more than the median (908). Five months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 4,783 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 741 | 0 |
| February | 534 | 0 |
| March | 378 | 2 |
| April | 163 | 26 |
| May | 32 | 159 |
| June | 0 | 383 |
| July | 0 | 443 |
| August | 0 | 405 |
| September | 13 | 207 |
| October | 145 | 32 |
| November | 493 | 1 |
| December | 736 | 0 |
| Year (annual) | 3,235 | 1,656 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00412354. 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 Dell City's climate compare?
Dell City is warmer than 37 of the other 320 places with their own NOAA record in Texas, and wetter than 6. Across the 7,247 U.S. stations with normals, its annual mean of 60.6°F is warmer than 76%.
In the Köppen classification computed from these normals, Dell City 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 Dell City's climate
What is the coldest month in Dell City?
January, with a normal high of 59°F and a normal low of 23°F. The warmest is July (96°F by day, 63°F at night).
Does it snow in Dell City?
Rarely: NOAA's normal is 0.1 inch a year.
What is the rainiest month in Dell City?
September, with 1.88 in of precipitation in a normal year; the driest is April with 0.23 in.
What plant hardiness zone is Dell City in?
The USDA's 2023 map puts Dell City in zone 7b in ZIP code 79837, the nearest ZIP area. By the same method at Dell City's NOAA station, the coldest night of a typical year reaches 10°F (23 years, 1991-2020): zone 7b.
How late can frost come in Dell City?
In half of years the last 32°F night comes after April 17; in one year in ten it comes after May 1. Waiting until May 1 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Texas climateThe statewide normals and every place in the state
- Cornudas Service Station, TX18 miles from this station, 60.7°F a year
- Pine Springs, TX24 miles from this station, 59.4°F a year
- Pine Springs National Park, TX24 miles from this station, 61.3°F a year
- Dark Canyon Road, NM48 miles from this station, 61.6°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made