White River Reservoir, Texas climate: Climate normals at a NOAA weather station
White River Reservoir's normal year runs from 27°F January nights to 94°F July afternoons, with 22.8 inches of precipitation and 3 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 16.8°C, January lows of −3°C, July highs of 35°C, 580 mm of precipitation a year.
- NOAA stationWhite River Reservoir
- Station IDUSC00419711
- Location33.46°N 101.09°W
- Elevation2,412 ft (735 m)
On October 23, the normal high in White River Reservoir is 74°F and the normal low 47°F, and the chance of measurable rain or snow is 14%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for White River Reservoir.
- Jan 56° 27°
- Feb 60° 31°
- Mar 68° 39°
- Apr 77° 47°
- May 84° 58°
- Jun 92° 66°
- Jul 94° 70°
- Aug 94° 69°
- Sep 86° 61°
- Oct 77° 50°
- Nov 65° 38°
- Dec 57° 29°
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 White River Reservoir each month?
July is the warmest month, with normal highs of 94°F; January the coldest, with normal lows of 27°F. The most precipitation falls in June (3.27 in), the least in February (0.79 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 56°F | 27°F | 41.5°F | 0.80 | 0.1 | 2 | <1 | 24 | 10 h 10 min |
| February | 60°F | 31°F | 45.4°F | 0.79 | 1.4 | 3 | <1 | 17 | 11 h |
| March | 68°F | 39°F | 53.6°F | 1.20 | 0.0 | 4 | 1 | 7 | 12 h |
| April | 77°F | 47°F | 61.9°F | 1.71 | 0.0 | 4 | 4 | 1 | 13 h |
| May | 84°F | 58°F | 70.9°F | 3.05 | 0.0 | 6 | 11 | <1 | 13 h 50 min |
| June | 92°F | 66°F | 78.8°F | 3.27 | 0.0 | 6 | 19 | <1 | 14 h 20 min |
| July | 94°F | 70°F | 81.9°F | 2.87 | 0.0 | 5 | 25 | <1 | 14 h 10 min |
| August | 94°F | 69°F | 81.2°F | 2.21 | 0.0 | 5 | 25 | <1 | 13 h 30 min |
| September | 86°F | 61°F | 73.6°F | 3.07 | 0.0 | 5 | 12 | <1 | 12 h 30 min |
| October | 77°F | 50°F | 63.1°F | 1.78 | 0.0 | 5 | 3 | 1 | 11 h 20 min |
| November | 65°F | 38°F | 51.3°F | 1.26 | 0.4 | 3 | <1 | 8 | 10 h 30 min |
| December | 57°F | 29°F | 42.9°F | 0.83 | 1.0 | 3 | <1 | 21 | 10 h |
| Year (annual) | 76°F | 49°F | 62.2°F | 22.84 | 2.9 | 50 | 101 | 78 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 13°C | −3°C | 5.3°C | 20 mm | 0 cm |
| February | 15°C | −1°C | 7.4°C | 20 mm | 4 cm |
| March | 20°C | 4°C | 12.0°C | 30 mm | 0 cm |
| April | 25°C | 8°C | 16.6°C | 43 mm | 0 cm |
| May | 29°C | 14°C | 21.6°C | 77 mm | 0 cm |
| June | 33°C | 19°C | 26.0°C | 83 mm | 0 cm |
| July | 35°C | 21°C | 27.7°C | 73 mm | 0 cm |
| August | 34°C | 20°C | 27.3°C | 56 mm | 0 cm |
| September | 30°C | 16°C | 23.1°C | 78 mm | 0 cm |
| October | 25°C | 10°C | 17.3°C | 45 mm | 0 cm |
| November | 18°C | 3°C | 10.7°C | 32 mm | 1 cm |
| December | 14°C | −2°C | 6.1°C | 21 mm | 3 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00419711; 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 White River Reservoir?
Normal highs sit between 65°F and 85°F in March, April, May, October and November. Of those, November has the fewest days with rain (3).
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 USC00419711.
When is the last frost at White River Reservoir?
In White River Reservoir, the last spring frost (32°F) comes after March 31 in half of years and after April 18 in one year in ten; the first autumn frost comes before November 8 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 311 year in 10 after April 18; 9 in 10 after March 7
- First autumn frost, half of years before
- November 81 year in 10 before October 26; 9 in 10 before November 22
NOAA puts the median frost-free season at 222 days, and the season without a hard freeze (28°F) at 247 days.
A hard freeze (28°F) comes after March 13 in half of springs and before November 16 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts White River Reservoir in zone 8a in ZIP code 79370, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, the station is in zone 8a: the coldest night of a typical year reaches 11°F (22 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 USC00419711; 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 at White River Reservoir?
In a normal year in White River Reservoir, 101 days a year reach 90°F (22 of them 100°F or more), 78 nights fall to 32°F or colder and 50 days bring measurable precipitation.
- Days at 90°F or more
- 101a normal year
- Days at 100°F or more
- 22a normal year
- Nights at 32°F or colder
- 78a normal year
- Days that stay below freezing
- 5high of 32°F or less
- Days with 0.01 inch of precipitation
- 50a normal year
- Days with 1 inch of snow or more
- 1a normal year
The highest temperature in this station's record (since 1997) is 113°F, on August 27, 2019; the lowest is −1°F, on February 15, 2021.
The wettest calendar year on that record is 2010, with 35.42 in; the snowiest season is 2020–21, with 16.8 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00419711; records: ACIS (NOAA Regional Climate Centers), station USC00419711. Records use complete months only; a month missing more than three days is left out.
How sunny is it at White River Reservoir?
Over a year 86% of the sunlight that would reach the ground under clear skies gets through the clouds at White River Reservoir, 5.3 kWh per square metre a day. June is the sunniest month (90%) and February the cloudiest (80%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 84% | 3.3 |
| February | 80% | 4.1 |
| March | 82% | 5.3 |
| April | 85% | 6.5 |
| May | 84% | 7.0 |
| June | 90% | 7.6 |
| July | 89% | 7.2 |
| August | 89% | 6.7 |
| September | 85% | 5.5 |
| October | 84% | 4.4 |
| November | 85% | 3.5 |
| December | 82% | 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 many heating and cooling degree days does White River Reservoir record?
A normal year at White River Reservoir brings 3,093 heating degree days, 42% fewer than the median U.S. place (5,373), and 2,099 cooling degree days, 2.3 times 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 5,411 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 730 | 0 |
| February | 551 | 1 |
| March | 365 | 13 |
| April | 155 | 62 |
| May | 38 | 221 |
| June | 0 | 416 |
| July | 0 | 526 |
| August | 0 | 504 |
| September | 14 | 272 |
| October | 138 | 79 |
| November | 417 | 6 |
| December | 685 | 0 |
| Year (annual) | 3,093 | 2,099 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00419711. 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.
Have recent years at White River Reservoir been warmer than normal?
2025 averaged 64.2°F, 2.0°F above the 1991-2020 normal of 62.2°F. 5 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 62.7°F | +0.5°F | 20.47 | 16.6 |
| 2022 | 63.5°F | +1.3°F | 14.30 | 2.5 |
| 2023 | 64.5°F | +2.3°F | 22.47 | 3.1 |
| 2024 | 65.5°F | +3.3°F | 17.63 | 0.0 |
| 2025 | 64.2°F | +2.0°F | 21.28 | 0.2 |
Source: observed years: ACIS, station USC00419711. A year counts only with all twelve months complete.
How does White River Reservoir's climate compare?
White River Reservoir is warmer than 51 of the 321 places with their own NOAA record in Texas, and wetter than 89. Across the 7,247 U.S. stations with normals, its annual mean of 62.2°F is warmer than 81%.
In the Köppen classification computed from these normals, White River Reservoir 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 White River Reservoir's climate
What is the coldest month at White River Reservoir?
January, with a normal high of 56°F and a normal low of 27°F. The warmest is July (94°F by day, 70°F at night).
Does it snow at White River Reservoir?
Yes: 3 inches in a normal year, falling on 2 days with 0.1 inch or more, the most in February (1.4 inches).
What is the rainiest month at White River Reservoir?
June, with 3.27 in of precipitation in a normal year; the driest is February with 0.79 in.
What plant hardiness zone is White River Reservoir in?
The USDA's 2023 map puts White River Reservoir in zone 8a in ZIP code 79370, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches 11°F (22 years, 1991-2020): zone 8a.
How late can frost come at White River Reservoir?
In half of years the last 32°F night comes after March 31; in one year in ten it comes after April 18. Waiting until April 18 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Texas climateThe statewide normals and every place in the state
- Spur, TX12 miles from this station, 61.4°F a year
- Crosbyton, TX16 miles from this station, 60.5°F a year
- Post, TX24 miles from this station, 62.6°F a year
- Lake Alan Henry, TX27 miles from this station, 63.4°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made