Junction, Texas climate: Normal weather by month, frost dates and records
Junction's normal year runs from 34°F January nights to 95°F July afternoons, with 22.5 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 19.2°C, January lows of 1°C, July highs of 35°C, 570 mm of precipitation a year.
- NOAA stationJunction Kimble County Airport
- Station IDUSW00013973
- Location30.51°N 99.77°W
- Elevation1,749 ft (533 m)
- Population2,492
On October 23, the normal high in Junction is 78°F and the normal low 51°F, and the chance of measurable rain or snow is 21%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Junction.
- Jan 62° 34°
- Feb 66° 38°
- Mar 73° 46°
- Apr 81° 53°
- May 87° 63°
- Jun 93° 70°
- Jul 95° 72°
- Aug 96° 71°
- Sep 89° 64°
- Oct 81° 54°
- Nov 70° 43°
- Dec 63° 34°
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 Junction each month?
July is the warmest month, with normal highs of 95°F; January the coldest, with normal lows of 34°F. The most precipitation falls in May (3.16 in), the least in January (0.89 in).
Each month has its own page with the day-by-day normals, the month's records and its recent years:
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 62°F | 34°F | 47.8°F | 0.89 | 4 | <1 | 16 | 10 h 20 min |
| February | 66°F | 38°F | 52.3°F | 1.12 | 5 | <1 | 10 | 11 h 10 min |
| March | 73°F | 46°F | 59.4°F | 2.02 | 6 | 1 | 4 | 12 h |
| April | 81°F | 53°F | 66.9°F | 1.82 | 5 | 5 | 1 | 12 h 50 min |
| May | 87°F | 63°F | 74.8°F | 3.16 | 7 | 13 | <1 | 13 h 40 min |
| June | 93°F | 70°F | 81.1°F | 2.83 | 6 | 23 | <1 | 14 h 10 min |
| July | 95°F | 72°F | 83.5°F | 1.48 | 6 | 28 | <1 | 14 h |
| August | 96°F | 71°F | 83.2°F | 2.03 | 6 | 27 | <1 | 13 h 20 min |
| September | 89°F | 64°F | 76.6°F | 2.41 | 6 | 16 | <1 | 12 h 20 min |
| October | 81°F | 54°F | 67.2°F | 2.15 | 6 | 4 | 1 | 11 h 30 min |
| November | 70°F | 43°F | 56.2°F | 1.52 | 6 | <1 | 6 | 10 h 40 min |
| December | 63°F | 34°F | 48.6°F | 1.03 | 5 | <1 | 16 | 10 h 10 min |
| Year (annual) | 80°F | 53°F | 66.5°F | 22.46 | 67 | 117 | 52 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 17°C | 1°C | 8.8°C | 23 mm |
| February | 19°C | 4°C | 11.3°C | 28 mm |
| March | 23°C | 8°C | 15.2°C | 51 mm |
| April | 27°C | 12°C | 19.4°C | 46 mm |
| May | 31°C | 17°C | 23.8°C | 80 mm |
| June | 34°C | 21°C | 27.3°C | 72 mm |
| July | 35°C | 22°C | 28.6°C | 38 mm |
| August | 35°C | 22°C | 28.4°C | 52 mm |
| September | 32°C | 18°C | 24.8°C | 61 mm |
| October | 27°C | 12°C | 19.6°C | 55 mm |
| November | 21°C | 6°C | 13.4°C | 39 mm |
| December | 17°C | 1°C | 9.2°C | 26 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. Junction's own co-op station Junction (4 mi SSW) does: 0 inches of snow in a normal year (see the other stations below).
Source: NOAA NCEI 1991-2020 monthly normals, station USW00013973; 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 Junction?
Normal highs sit between 65°F and 85°F in February, March, April, October and November. Of those, February 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 USW00013973.
When is the last frost in Junction?
In Junction, the last spring frost (32°F) comes after March 25 in half of years and after April 17 in one year in ten; the first autumn frost comes before November 7 in half of years and before October 26 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
- March 251 year in 10 after April 17; 9 in 10 after March 3
- First autumn frost, half of years before
- November 71 year in 10 before October 26; 9 in 10 before November 25
NOAA puts the median frost-free season at 229 days, and the season without a hard freeze (28°F) at 254 days.
A hard freeze (28°F) comes after March 9 in half of springs and before November 19 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Junction in zone 8a in ZIP code 76849, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Junction's NOAA station is in zone 8b: the coldest night of a typical year reaches 15°F (23 complete years); the map interpolates between stations and terrain, so the station and the ZIP area can differ by half a zone.
Frost dates for every NOAA station in Texas · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USW00013973; 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 Junction?
In a normal year in Junction, 117 days a year reach 90°F (22 of them 100°F or more), 52 nights fall to 32°F or colder and 67 days bring measurable precipitation.
- Days at 90°F or more
- 117a normal year
- Days at 100°F or more
- 22a normal year
- Nights at 32°F or colder
- 52a normal year
- Days that stay below freezing
- 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 67a normal year
The highest temperature in this station's record (since 1948) is 114°F, on May 26, 2024; the lowest is −7°F, on February 2, 1951.
The wettest calendar year on that record is 1957, with 35.88 in; the snowiest season is 1957–58, with 7.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USW00013973; records: ACIS (NOAA Regional Climate Centers), station USW00013973. Records use complete months only; a month missing more than three days is left out.
How humid and windy is Junction, and how clear are its skies?
The summer (June-August) dew point averages 63°F. The muggiest month is June, with an average dew point of 65°F; the driest air comes in December (32°F). April is the windiest month (7.9 mph on average).
| Month | Dew point | Humidity | Afternoon humidity | Wind | Clear or few clouds | Overcast |
|---|---|---|---|---|---|---|
| January | 34°F | 60% | 36% | 6.2 mph | – | – |
| February | 38°F | 56% | 34% | 7.0 mph | – | – |
| March | 46°F | 56% | 34% | 7.7 mph | – | – |
| April | 52°F | 55% | 34% | 7.9 mph | – | – |
| May | 63°F | 61% | 39% | 7.7 mph | – | – |
| June | 65°F | 58% | 37% | 7.3 mph | – | – |
| July | 63°F | 53% | 31% | 6.3 mph | – | – |
| August | 63°F | 57% | 35% | 5.5 mph | – | – |
| September | 56°F | 59% | 36% | 5.7 mph | – | – |
| October | 46°F | 62% | 38% | 6.0 mph | – | – |
| November | 36°F | 59% | 35% | 5.8 mph | – | – |
| December | 32°F | 61% | 38% | 5.8 mph | – | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013973. Monthly averages of all hours; afternoon humidity at 3 p.m. local standard time; sky as the share of hours NOAA's observations rate clear or few clouds (a dash where NOAA publishes no sky value).
How sunny is Junction?
Over a year 81% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Junction, 5.0 kWh per square metre a day. August is the sunniest month (87%) and February the cloudiest (75%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 77% | 3.3 |
| February | 75% | 4.0 |
| March | 75% | 4.9 |
| April | 78% | 5.8 |
| May | 78% | 6.1 |
| June | 86% | 7.0 |
| July | 86% | 6.8 |
| August | 87% | 6.4 |
| September | 81% | 5.3 |
| October | 82% | 4.5 |
| November | 79% | 3.4 |
| December | 77% | 3.0 |
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 Junction need?
A normal year in Junction brings 2,061 heating degree days, 62% fewer than the median U.S. place (5,373), and 2,620 cooling degree days, 2.9 times the median (908). Three months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 6,452 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 535 | 2 |
| February | 363 | 8 |
| March | 216 | 41 |
| April | 68 | 127 |
| May | 9 | 312 |
| June | 0 | 483 |
| July | 0 | 572 |
| August | 0 | 564 |
| September | 3 | 351 |
| October | 71 | 139 |
| November | 284 | 19 |
| December | 511 | 2 |
| Year (annual) | 2,061 | 2,620 |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00013973. 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 Junction been warmer than normal lately?
2024 averaged 70.2°F, 3.7°F above the 1991-2020 normal of 66.5°F. 3 of the 3 complete years since 2022 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2022 | 68.2°F | +1.7°F | 13.53 |
| 2023 | 69.3°F | +2.8°F | 22.31 |
| 2024 | 70.2°F | +3.7°F | 18.91 |
Over 42 complete years from 1950 to 2024, the station's annual mean temperature rose at a fitted 3.0°F per century (+0.16°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USW00013973; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Junction's climate compare?
Junction is warmer than 188 of the other 320 places with their own NOAA record in Texas, and wetter than 80. Across the 7,247 U.S. stations with normals, its annual mean of 66.5°F is warmer than 91%.
In the Köppen classification computed from these normals, Junction is Cfa: temperate, no dry season, hot 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.
What do Junction's other NOAA stations record?
One more NOAA station keeps 1991-2020 normals in or near Junction. This page uses Junction Kimble County Airport; the other differs by site and elevation:
| Station | From this station | Elevation | Year | Jan low | Jul high | Precip. | Snow | Last frost |
|---|---|---|---|---|---|---|---|---|
| Junction (4 mi SSW) USC00414670 | 5 mi SW | 1,747 ft | 64.6°F | 30°F | 96°F | 23.0 | 0 | April 8 |
Source: NOAA NCEI 1991-2020 normals for each station. Last frost: the median last spring date of 32°F.
Questions about Junction's climate
What is the coldest month in Junction?
January, with a normal high of 62°F and a normal low of 34°F. The warmest is July (95°F by day, 72°F at night).
Does it snow in Junction?
Rarely. NOAA publishes no 1991-2020 snowfall normal for Junction's NOAA station; Junction's own co-op station Junction (4 mi SSW) records 0 inches of snow in a normal year.
What is the rainiest month in Junction?
May, with 3.16 in of precipitation in a normal year; the driest is January with 0.89 in.
What plant hardiness zone is Junction in?
The USDA's 2023 map puts Junction in zone 8a in ZIP code 76849, the nearest ZIP area. By the same method at Junction's NOAA station, the coldest night of a typical year reaches 15°F (23 years, 1991-2020): zone 8b.
How late can frost come in Junction?
In half of years the last 32°F night comes after March 25; in one year in ten it comes after April 17. Waiting until April 17 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Junction in OctoberThis month day by day, its records and recent years
- Texas climateThe statewide normals and every place in the state
- Menard, TX27 miles from this station, 63.7°F a year
- Fort McKavett, TX30 miles from this station, 64.4°F a year
- Hunt (10 mi W), TX35 miles from this station, 63.9°F a year
- Mason, TX36 miles from this station, 66.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made