Dallas weather by month

Check out Dallas weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Dallas (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
12°C maximum daytime temperature in January in Dallas12
15°C maximum daytime temperature in February in Dallas15
20°C maximum daytime temperature in March in Dallas20
25°C maximum daytime temperature in April in Dallas25
28°C maximum daytime temperature in May in Dallas28
33°C maximum daytime temperature in June in Dallas33
35°C maximum daytime temperature in July in Dallas35
35°C maximum daytime temperature in August in Dallas35
31°C maximum daytime temperature in September in Dallas31
26°C maximum daytime temperature in October in Dallas26
20°C maximum daytime temperature in November in Dallas20
14°C maximum daytime temperature in December in Dallas14
Min temperature (night-time)
1°C minimum night-time temperature in January in Dallas1
3°C minimum night-time temperature in February in Dallas3
8°C minimum night-time temperature in March in Dallas8
13°C minimum night-time temperature in April in Dallas13
17°C minimum night-time temperature in May in Dallas17
22°C minimum night-time temperature in June in Dallas22
24°C minimum night-time temperature in July in Dallas24
24°C minimum night-time temperature in August in Dallas24
20°C minimum night-time temperature in September in Dallas20
14°C minimum night-time temperature in October in Dallas14
8°C minimum night-time temperature in November in Dallas8
3°C minimum night-time temperature in December in Dallas3
Heat & Humidity
No heat & humidity in January in Dallas0
No heat & humidity in February in Dallas0
No heat & humidity in March in Dallas0
No heat & humidity in April in Dallas0
Moderate heat & humidity in May in DallasM
High heat & humidity in June in DallasH
Very high heat & humidity in July in DallasVH
Very high heat & humidity in August in DallasVH
High heat & humidity in September in DallasH
Low heat & humidity in October in DallasL
No heat & humidity in November in Dallas0
No heat & humidity in December in Dallas0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Dallas

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Dallas10
11 hours of daylight per day in February in Dallas11
12 hours of daylight per day in March in Dallas12
13 hours of daylight per day in April in Dallas13
14 hours of daylight per day in May in Dallas14
14 hours of daylight per day in June in Dallas14
14 hours of daylight per day in July in Dallas14
13 hours of daylight per day in August in Dallas13
12 hours of daylight per day in September in Dallas12
11 hours of daylight per day in October in Dallas11
10 hours of daylight per day in November in Dallas10
10 hours of daylight per day in December in Dallas10
UV Index (Maximum)
UV (maximum) index 3 (Moderate) in January in Dallas3
UV (maximum) index 5 (Moderate) in February in Dallas5
UV (maximum) index 7 (High) in March in Dallas7
UV (maximum) index 9 (Very High) in April in Dallas9
UV (maximum) index 10 (Very High) in May in Dallas10
UV (maximum) index 10 (Very High) in June in Dallas10
UV (maximum) index 10 (Very High) in July in Dallas10
UV (maximum) index 10 (Very High) in August in Dallas10
UV (maximum) index 8 (Very High) in September in Dallas8
UV (maximum) index 6 (High) in October in Dallas6
UV (maximum) index 4 (Moderate) in November in Dallas4
UV (maximum) index 3 (Moderate) in December in Dallas3

Rainfall in Dallas

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
7 days with some rainfall in January in Dallas7
7 days with some rainfall in February in Dallas7
8 days with some rainfall in March in Dallas8
8 days with some rainfall in April in Dallas8
9 days with some rainfall in May in Dallas9
7 days with some rainfall in June in Dallas7
5 days with some rainfall in July in Dallas5
5 days with some rainfall in August in Dallas5
7 days with some rainfall in September in Dallas7
6 days with some rainfall in October in Dallas6
6 days with some rainfall in November in Dallas6
7 days with some rainfall in December in Dallas7
Average monthly rainfall (mm)
49 mm monthly rainfall in January in Dallas49
62 mm monthly rainfall in February in Dallas62
74 mm monthly rainfall in March in Dallas74
103 mm monthly rainfall in April in Dallas103
129 mm monthly rainfall in May in Dallas129
84 mm monthly rainfall in June in Dallas84
56 mm monthly rainfall in July in Dallas56
54 mm monthly rainfall in August in Dallas54
83 mm monthly rainfall in September in Dallas83
95 mm monthly rainfall in October in Dallas95
62 mm monthly rainfall in November in Dallas62
57 mm monthly rainfall in December in Dallas57

More about Dallas

Dallas by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Texas (Dallas) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Dallas?

Dallas has a temperate climate with hot summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Dallas, Texas hurricane season

% of month affected by tropical storms
0
0
0
0
0
<1%
0
<1%
1.4%
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare Dallas with the USA

Below the Dallas chart shows average maximum daytime temperature for Dallas, Texas, USA and the USA (Washington).

Maximum daytime temperature (°C)

Dallas, Texas, USA
USA (Washington)
12
5
15
7
20
13
25
19
28
24
33
29
35
31
35
30
31
26
26
20
20
14
14
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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