Dell, TX climate
Dell has chilly winters and hot summers, with very little rain. A typical July afternoon reaches 97°, a January night drops to 26°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Dell feels like
Winter
Spring
Summer
Fall
Dell weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 60° | 26° | 0.4" | 0 | 2 | 0 | 38° – 47° |
| February | 65° | 31° | 0.4" | 0 | 2 | 0 | 44° – 52° |
| March | 73° | 37° | 0.3" | 0 | 2 | 0 | 51° – 60° |
| April | 81° | 44° | 0.3" | 0 | 1 | 0 | 57° – 68° |
| May | 90° | 53° | 0.6" | 0 | 2 | 0 | 67° – 77° |
| June | 98° | 62° | 1.0" | 0 | 4 | 0 | 76° – 84° |
| July | 97° | 66° | 1.8" | 0 | 5 | 0 | 77° – 86° |
| August | 95° | 65° | 1.4" | 0 | 5 | 0 | 76° – 86° |
| September | 89° | 58° | 1.7" | 0 | 5 | 0 | 69° – 77° |
| October | 80° | 46° | 1.0" | 0 | 4 | 0 | 60° – 68° |
| November | 68° | 33° | 0.5" | 0 | 2 | 0 | 44° – 56° |
| December | 59° | 27° | 0.5" | 0.1" | 2 | 0 | 39° – 47° |
| Year | 80° | 46° | 9.8" | 0.1" | 36 | 0 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Dell
Dell gets 10 inches of rain and melted snow a year. July is the wettest month and April the driest. Rain or snow falls on about 36 days a year.
About 189 frost-free days a year
In half of years the last 32° night comes by April 17 and the first one by October 25. That leaves about 189 frost-free days for gardens, longer than 63% of U.S. towns.
Heating and cooling a home in Dell
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Dell, 66% of that work is heating and 34% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Dell compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Dell averaged 1.9° warmer than the 1900s. The biggest change is in March (+2.7°). The shift is larger than in 90% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Dell’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. November swings the most: between 1991 and 2020 its average temperature ranged from 44° to 56°. June is the most reliable, staying within 8°.
Common questions about Dell’s climate
What is the coldest month in Dell?
January, with a typical high of 60° and a low of 26°.
What is the hottest month in Dell?
June, with a typical high of 98° and a low of 62°. About 130 days a year reach 90°.
How much snow does Dell get?
Almost none. A normal year brings 0.1 inches.
When is the first frost in Dell?
In half of years the first 32° night comes by October 25, and the last spring frost by April 17.
What is the rainiest month in Dell?
July, with 1.8 inches of rain and melted snow. The year totals 10 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Dell itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Dell City 5ssw, TX (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.