Dallas, Texas, USA: Annual Weather Averages
August is the hottest month in Dallas with an average temperature of 88°F (31°C) and the coldest is January at 48°F (9°C). The wettest month is August with an average of 143.9mm of rain.
Average Temperature: Dallas
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 9 | 11 | 15 | 20 | 24 | 28 | 30 | 31 | 27 | 20 | 14 | 9 |
| °F | 48 | 52 | 59 | 68 | 75 | 82 | 86 | 88 | 81 | 68 | 57 | 48 |
Average High/Low Temperature: Dallas
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 14 | 16 | 21 | 25 | 29 | 33 | 36 | 36 | 32 | 26 | 20 | 15 |
| High °F | 57 | 61 | 70 | 77 | 84 | 91 | 97 | 97 | 90 | 79 | 68 | 59 |
| Low °C | 37 | 5 | 9 | 14 | 19 | 23 | 25 | 25 | 21 | 15 | 9 | 4 |
| Low °F | 99 | 41 | 48 | 57 | 66 | 73 | 77 | 77 | 70 | 59 | 48 | 39 |
Average Rainfall: Dallas
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 62 | 65 | 38 | 87 | 95 | 111 | 107 | 144 | 6 | 71 | 24 | 91 |
| Days | 7 | 9 | 8 | 22 | 19 | 20 | 21 | 20 | 2 | 6 | 3 | 16 |
Average Humidity: Dallas
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | 62 | 62 | 59 | 60 | 64 | 61 | 55 | 54 | 58 | 60 | 62 | 64 |