Dallas has mild winters and hot summers. A typical July afternoon reaches 95°, a January night drops to 36°, and about 2 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normalsUpdated once a decade
☀️
July high
95°
787th hottest of 1,859 Texas towns
❄️
January low
36°
743rd coldest of 1,859 Texas towns
💧
Rain + melted snow
40 in
630th wettest of 1,859 Texas towns
🌨️
Snow a winter
2 in
281st snowiest of 1,796 Texas towns
A normal year
What a year in Dallas feels like
❄️
Winter
59° / 38°
Typical high / low · Snow is rare
🌷
Spring
76° / 55°
Typical high / low · Last frost around Mar 2
☀️
Summer
94° / 74°
Typical high / low · 108 days reach 90° in a normal year
🍂
Fall
78° / 56°
Typical high / low · First frost around Nov 29
20°
40°
50°
60°
70°
80°
90°
100°
110°
32°
57°
36°
61°
40°
68°
48°
76°
54°
83°
64°
91°
71°
95°
75°
96°
74°
89°
67°
79°
56°
67°
46°
58°
38°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
32°, freezingBar runs from the typical overnight low up to the afternoon high
Best months to be outsideMarAprMayOctNovHighs of 62–84° and lows of 40° or more
Month by month
Dallas 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
57°
36°
2.7"
0.1"
7
0
42° – 55°
February
61°
40°
2.9"
0.9"
7
0
41° – 59°
March
68°
48°
3.5"
0.3"
8
0
52° – 64°
April
76°
54°
3.5"
0
7
0
60° – 71°
May
83°
64°
4.8"
0
9
0
70° – 79°
June
91°
71°
3.8"
0
7
0
78° – 86°
July
95°
75°
2.1"
0
5
0
81° – 91°
August
96°
74°
2.4"
0
5
0
79° – 93°
September
89°
67°
3.0"
0
6
0
74° – 85°
October
79°
56°
4.8"
0
7
0
62° – 73°
November
67°
46°
3.0"
0.1"
7
0
50° – 62°
December
58°
38°
3.2"
0.3"
7
0
40° – 52°
Year
77°
56°
39.8"
1.7"
82
1
“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 & snow
Rain and snow in Dallas
Dallas gets 40 inches of rain and melted snow a year. May is the wettest month and July the driest. Rain or snow falls on about 82 days a year.
💧
40 in
Rain + melted snow a year
More rain than 50% of U.S. towns
❄️
2 in
Snow in a normal winter
Less snow than 84% of U.S. towns
⛄
1 days
With 1"+ of snow on the ground
Fewer than 79% of U.S. towns
Rain + melted snow by month
Inches of water
4.8"
JFMAMJJASOND
Snowfall by month
About 1.7" in a normal year, so most winters see none.
Frost & the growing season
About 272 frost-free days a year
In half of years the last 32° night comes by March 2 and the first one by November 29. That leaves about 272 frost-free days for gardens, longer than 93% of U.S. towns.
🌱 Mar 2
🍂 Nov 29
272 frost-free days
JFMAMJJASOND
🥶
23
nights at or below 32° in a normal year
🧊
0
nights below 0° in a normal year
🔥
108
days that reach 90° in a normal year
Freezing nights by month
Average nights at or below 32°
JFMAMJJASOND
90° days by month
Average days at 90° or more
JFMAMJJASOND
Heating & cooling
Heating and cooling a home in Dallas
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Dallas, 39% of that work is heating and 61% is cooling, so air conditioning is the bigger bill.
🔥
1,992 heating degree daysLess heating than 93% of U.S. towns
❄️
3,125 cooling degree daysMore cooling than 97% of U.S. towns
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.
Around Dallas
Dallas and its neighbors
Dallas borders 12 towns with climate data. January nights across them vary by 1.5°. Coppell has the coldest January nights (35°) and Grand Prairie the hottest July afternoons (96°). Dallas’s January low is 36° and its July high 95°.
Compared with every U.S. town and city on TownTapestry, each counted once.
Then and now
Warmer than it used to be
+0.9°1991–2020 average vs. the 20th century (1901–2000)
The last 30 years in Dallas averaged 0.9° warmer than the 1900s. The biggest change is in January (+2.0°). The shift is smaller than in 77% of U.S. towns.
❄️ Winter+1.7°now 48°, was 47°
🌷 Spring+0.9°now 66°, was 65°
☀️ Summer+0.5°now 84°, was 83°
🍂 Fall+0.6°now 67°, was 67°
Change by month1991–2020 average minus 1901–2000 average, at Dallas’s spot on NOAA’s grid
+2.0°
+0.2°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
Year to year
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 41° to 59°. June is the most reliable, staying within 8°.
30°
40°
50°
60°
70°
80°
90°
100°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
Coldest to warmest month in 30 yearsNormal
Questions
Common questions about Dallas’s climate
What is the coldest month in Dallas?
January, with a typical high of 57° and a low of 36°.
What is the hottest month in Dallas?
August, with a typical high of 96° and a low of 74°. About 108 days a year reach 90°.
How much snow does Dallas get?
About 2 inches in a normal winter, most of it in February.
When is the first frost in Dallas?
In half of years the first 32° night comes by November 29, and the last spring frost by March 2.
What is the rainiest month in Dallas?
May, with 4.8 inches of rain and melted snow. The year totals 40 inches.
📍Temperatures and rainfall come from NOAA’s gridded climate normals for Dallas itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Dallas Love Fld, TX (7 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.