Photo: Billy Hathorn at en.wikipedia · CC BY-SA 3.0Dalhart reaches 100° on about 11 days a year, more than 91% of U.S. towns
A typical July afternoon reaches 92°, a January night drops to 21°, and about 20 inches of snow falls in a normal winter.
A year in Dalhart at a glance
Each month’s typical high and low, and what it brings.
What stands out about Dalhart’s climate
Compared with towns across the U.S., with Dalhart’s place in Texas beside it.
What a year in Dalhart feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 181 frost-free days a year
In half of years the last 32° night comes by April 21 and the first by October 20. Frost and day counts come from NOAA’s station at Dalhart Muni Airport, 4 miles from the town’s center, at about the same height.
The 2023 USDA map puts Dalhart’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 0°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 20 inches of snow a winter
Snow, measured at Dalhart Muni Airport, falls mostly in December. Precipitation (rain plus melted snow) adds up to 16 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 61 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Dalhart
76% of the work is heating. Months averaging under 55° run from November through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Dalhart Muni Airport.
Living with Dalhart’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
181 frost-free days in zone 7a. The last frost comes by Apr 21 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 20.
Months with highs of 62–84° and lows of 40° or more: May, September and October. 1.9 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Dalhart from natural hazards, river flooding is the largest share (30%); heat waves, cold waves, winter storms and ice storms together are 23%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Dalhart and similar climates
TownRatings has no climate map of the towns around Dalhart yet.
Climates most like Dalhart’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Dalhart, TX | 21° | 92° | 16" | 20" |
| Roy, UT | 21° | 92° | 17" | 23" |
| Garden City, ID | 24° | 93° | 13" | 18" |
| Pueblo West, CO | 19° | 92° | 12" | 15" |
| Garden City, KS | 18° | 93° | 19" | 16" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Dalhart averaged 1.2° warmer than the 1900s. The biggest change is in March (+2.5°).
A smaller shift than in 65% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Dalhart compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Dalhart’s place among Texas’.
Dalhart weather by month
Highs, lows and precipitation from NOAA’s grid at Dalhart’s center; snow, wet days and snow on the ground from Dalhart Muni Airport. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 50° | 21° | 0.5" | 4.2" | 3 | 3 | 29° – 41° |
| February | 54° | 24° | 0.3" | 3.4" | 3 | 2 | 29° – 46° |
| March | 63° | 31° | 0.9" | 3.0" | 4 | 1 | 41° – 53° |
| April | 70° | 38° | 1.2" | 1.5" | 5 | 0 | 47° – 60° |
| May | 79° | 49° | 1.8" | 0.0" | 6 | 0 | 59° – 70° |
| June | 89° | 59° | 2.3" | 0.0" | 8 | 0 | 68° – 79° |
| July | 92° | 63° | 2.5" | 0.0" | 8 | 0 | 74° – 83° |
| August | 90° | 62° | 2.5" | 0.0" | 8 | 0 | 72° – 81° |
| September | 83° | 54° | 1.3" | 0.0" | 5 | 0 | 63° – 75° |
| October | 72° | 41° | 1.5" | 1.3" | 4 | 0 | 50° – 63° |
| November | 59° | 29° | 0.5" | 1.9" | 3 | 1 | 37° – 51° |
| December | 50° | 21° | 0.6" | 5.0" | 3 | 3 | 31° – 39° |
| Year | 71° | 41° | 16.0" | 20.3" | 61 | 11 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 29° to 46°. December is the most reliable, staying within 9°.
Where Dalhart’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Dalhart’s center.
- Snow: Dalhart Muni Airport.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Dalhart Muni Airport, 4 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Dalhart’s climate
What is the weather like in Dalhart?
A typical July afternoon reaches 92°, a January night drops to 21°, and about 20 inches of snow falls in a normal winter. Colder January nights than 54% of U.S. towns; hotter July afternoons than 88% of U.S. towns.
How cold does it get in Dalhart in winter?
January nights average 21°. About 131 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 29°.
How much snow does Dalhart get?
About 20 inches in a normal winter at Dalhart Muni Airport, most of it in December, with snow on the ground about 11 days a year.
How hot does it get in Dalhart?
July, with a typical high of 92° and a low of 63°. About 74 days a year reach 90° and 11 reach 100° (Dalhart Muni Airport).
When is the first and last frost in Dalhart?
In half of years the last spring frost (32°) comes by April 21 and the first fall frost by October 20, about 181 frost-free days, at Dalhart Muni Airport.
What growing zone is Dalhart in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 0°.
What is the best time of year to visit Dalhart?
By one simple rule (highs of 62–84° and lows of 40° or more), May, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Dalhart getting warmer?
Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 65% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Dalhart.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.