Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Dallas features a humid subtropical climate (Cfa).Temperatures typically range between 6 °C (43 °F) and 27 °C (80 °F) through the year, but rarely can drop to -13 °C (9 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1317 mm (51.9 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually.Dallas enjoys an average of 3054 hours of sunshine throughout the year, and daylight varies from 9 hours 48 minutes to 14 hours 29 minutes per day.
The warmest months in Dallas are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 9 °C (43 - 49 °F) throughout the day. On average each year, Dallas experiences 139 days above 25 °C (77.0 °F) and 34 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 25°C (77°F) | 27°C (80°F) | 31°C (87°F) | 30°C (86°F) | 36°C (96°F) | 35°C (96°F) | 37°C (99°F) | 35°C (95°F) | 35°C (95°F) | 35°C (95°F) | 27°C (80°F) | 25°C (77°F) |
Mean maximum | 22°C (71°F) | 24°C (76°F) | 27°C (80°F) | 29°C (84°F) | 33°C (92°F) | 34°C (94°F) | 36°C (97°F) | 34°C (94°F) | 34°C (93°F) | 31°C (88°F) | 25°C (77°F) | 21°C (70°F) |
Average high | 11°C (52°F) | 15°C (59°F) | 17°C (64°F) | 22°C (72°F) | 27°C (81°F) | 30°C (86°F) | 32°C (91°F) | 31°C (87°F) | 29°C (84°F) | 24°C (75°F) | 16°C (61°F) | 13°C (56°F) |
Daily mean | 6°C (43°F) | 9°C (49°F) | 12°C (54°F) | 16°C (62°F) | 21°C (71°F) | 25°C (77°F) | 27°C (80°F) | 26°C (78°F) | 23°C (74°F) | 18°C (65°F) | 10°C (51°F) | 8°C (47°F) |
Average low | 2°C (35°F) | 4°C (40°F) | 7°C (44°F) | 11°C (51°F) | 16°C (61°F) | 20°C (68°F) | 22°C (72°F) | 21°C (71°F) | 19°C (66°F) | 13°C (56°F) | 5°C (41°F) | 3°C (38°F) |
Mean minimum | -8°C (18°F) | -5°C (24°F) | -4°C (26°F) | 1°C (34°F) | 7°C (44°F) | 15°C (59°F) | 18°C (65°F) | 17°C (63°F) | 12°C (54°F) | 4°C (39°F) | -3°C (27°F) | -5°C (23°F) |
Minimum | -13°C (9°F) | -6°C (21°F) | -6°C (22°F) | -2°C (29°F) | 5°C (41°F) | 12°C (53°F) | 17°C (63°F) | 15°C (59°F) | 8°C (46°F) | 0°C (33°F) | -5°C (23°F) | -7°C (19°F) |
Compare temperature, precipitation, sunshine, UV index in Dallas, North Carolina, United States with other places around the world.
Dallas usually has the most precipitation in February, September and December, with an average of 10 rainy days and 127 mm (5.0 inches) of precipitation per month.The driest months in Dallas are January, March and June. On average, 93 mm (3.7 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 94 (3.7) | 124 (4.9) | 94 (3.7) | 117 (4.6) | 120 (4.7) | 92 (3.6) | 98 (3.9) | 119 (4.7) | 130 (5.1) | 107 (4.2) | 96 (3.8) | 126 (5.0) |
Average precipitation days (≥ 1 mm) | 10 | 12 | 11 | 9 | 12 | 13 | 16 | 14 | 9 | 9 | 8 | 10 |
The sunniest months in Dallas are June, July and August, when the sun shines an average of 10 hours 27 minutes a day.Least sunny months in Dallas: January, February and December receive an average of 5 hours 47 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 158 | 171 | 238 | 271 | 292 | 313 | 340 | 307 | 280 | 258 | 224 | 196 |
Mean daily daylight hours | 10h 4m | 10h 54m | 11h 59m | 13h 6m | 14h 1m | 14h 29m | 14h 14m | 13h 24m | 12h 20m | 11h 14m | 10h 17m | 9h 48m |
Dallas experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Dallas UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 4 | 6 | 8 | 10 | 10 | 11 | 11 | 10 | 9 | 8 | 5 | 3 |