Last updated: February 24, 2025
In Dallas, United States, August brings the heat with maximum temperatures soaring to 40°C (104°F) and an average warmth of 29°C (85°F), providing plenty of sunshine for outdoor activities. The evenings cool down to a pleasant 20°C (68°F), making for enjoyable nights under the stars. However, humidity levels hover around 66%, adding a sticky feel to the air. Rainfall is relatively modest, with 96 mm (3.8 in) spread over 7 days, offering brief relief from the summer heat. August in Dallas is a vibrant mix of sizzling days and balmy nights, perfect for those who love the summer vibe.
In Dallas, August embraces the peak of summer with warm temperatures that reflect the season's intensity. The month's minimum temperature hovers around 20°C (68°F), offering a comfortable start to the day, while average highs reach a steamy 29°C (85°F), perfect for outdoor adventures. However, it's the soaring maximum temperature that truly defines August, peaking at a blistering 40°C (104°F). This trend showcases a noticeable climb from the cooler early months, emphasizing Dallas's transition into its hottest season. As the days stretch long and the sun blazes down, August becomes a time for vibrant city life, where residents and visitors alike seek respite in pools and shade.
In Dallas, August marks a notable transition in rainfall patterns, with 96 mm (or 3.8 in) of precipitation spread over seven days. This amount is a slight increase from July's drier conditions, where only 47 mm (1.8 in) fell across seven days. As summer wanes, the uptick in rain hints at the impending shift toward fall, which typically enjoys a more pronounced rainy season. Comparatively, May remains the wettest month, but August's precipitation is vital for cooling the city's heat, fostering a lush landscape before September's arrival. Overall, this trend illustrates a gradual return to wetter conditions that characterize Dallas' late summer and early fall.
In Dallas, August marks a noticeable shift in humidity levels, with the average dropping to a relatively comfortable 66%. This decline stands out among the sweltering summer months, where July holds the highest humidity at 73%. Following a gradual decrease from May’s peak of 81%, August's drier air heralds a transition into the milder fall months. As the late summer heat lingers, the pleasant reduction in humidity not only makes outdoor activities more enjoyable but also sets the stage for the even drier conditions that September brings, with an average of 65%. This pattern of humidity illustrates a significant seasonal trend in Dallas, highlighting the city’s unique climate transition as summer wanes.
In August, Dallas experiences a consistently extreme UV Index of 11, maintaining the trend set by the previous summer months. With a burn time of just 10 minutes, it’s crucial for residents and visitors alike to take protective measures to shield their skin from harmful UV rays. This peak in exposure follows a progressive increase from January's moderate levels, which ramp up through the year as temperatures rise. Notably, the UV Index remains high from May to September, emphasizing the importance of vigilance against sun damage during these warmer months. As always, be sure to check the latest updates on the Dallas UV Index to stay informed and protected.
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In August, Dallas basks in a generous 330 hours of sunshine, continuing the trend of radiant summer months. Following the peak of 361 hours in July, August offers a slight dip in sunlight but remains vibrant compared to earlier months. This follows a seasonal pattern where sunshine hours progressively increase from a modest 174 in January to the summer's zenith. The flourishing sunshine of late spring and summer contributes to a lively atmosphere in the city, allowing both residents and visitors to revel in outdoor activities before the days slowly shorten into fall. As September approaches, sunshine hours gradually wane, signaling a transition but still leaving a warm farewell to the summer season.
In Dallas, August stands out with a 57% chance of sunny weather, matching the sunny disposition of both March and July. This month is part of a broader trend where summer months, notably June and July, maintain moderate sunshine levels, hovering around 44% and 53% respectively. As we transition into late summer and early fall, the likelihood of sunny days rises significantly, peaking in September and October at 66%. This pattern suggests that while August offers good chances for bright, sunny days, the approaching months are likely to deliver even more consistently pleasant weather, making it an ideal time for outdoor activities.
In August, Dallas basks in 13 hours of daylight, marking the tail end of summer's peak sun exposure. This month maintains the lengthy daylight trend established in June and July, where the city enjoyed the maximum of 14 hours. As summer transitions into fall, daylight gradually diminishes, echoing the natural rhythm of the seasons. While August still offers ample sunlit hours, the upcoming months will see a subtle decline, with September dropping to 12 hours and further narrowing as the year progresses. This gradual shift signals a change, inviting residents to savor the lingering summer days before the shorter daylight hours set in.
In Dallas, the August wind brings a gentle breeze, with an average speed of 3.0 m/s (7 mph). This marks a slight dip from the previous months, where wind speeds peaked in the spring. As summer settles in, the winds transition from the more robust gusts of March and April, averaging around 4.6 m/s (10 mph), to the calmer, warmer days of late summer. Interestingly, August maintains a consistent pattern seen throughout the season, as wind speeds gradually decline from their early summer highs, reflecting the typical weather pattern of the region. As we prepare for the cooler months ahead, August's subtle winds remind us that summer is winding down, blending seamlessly into the arrival of autumn.
The weather in Dallas changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Dallas and find detailed weather information for every month.
August and January present striking contrasts in weather. In August, temperatures soar with an average of 29°C (85°F), peaking at a sweltering 40°C (104°F), while January offers a much cooler experience, with average temperatures around 8°C (47°F) and a maximum of 26°C (80°F). Precipitation in August is relatively high at 96 mm (3.8 in) over about 7 days, compared to the 60 mm (2.4 in) that falls in January across 6 days. Additionally, humidity levels are lower in August at 66%, whereas January's humidity is higher at 80%. For more detailed insights, check out Dallas weather in January.
August and February present a stark contrast in weather conditions. In August, temperatures soar with a minimum of 20°C (68°F), averaging around 29°C (85°F), and peaking at a blistering 40°C (104°F). The month experiences significant humidity at 66% and moderate rainfall of 96 mm (3.8 in) over approximately 7 days. Conversely, February sees frigid weather with temperatures plummeting to a minimum of -19°C (-2°F) and averaging just 10°C (50°F), although it can reach up to 30°C (86°F) on warmer days. This winter month is wetter, with precipitation measuring 102 mm (4.0 in) over about 10 days and higher humidity at 79%. For more insights, explore Dallas weather in February.
When comparing the weather in August and March, there is a stark contrast in temperatures and overall climate conditions. August typically experiences much warmer temperatures, with a minimum of 20°C (68°F) and an average high of 29°C (85°F), peaking at 40°C (104°F), while March sees much cooler temperatures, ranging from a minimum of -6°C (22°F) to an average of 16°C (61°F), and a maximum of 33°C (92°F). Additionally, August is characterized by moderately high humidity levels at 66% and significant rainfall, with 96 mm (3.8 in) over about 7 days. In contrast, March is more humid at 78%, with slightly more precipitation at 115 mm (4.5 in) spread across 11 days. For more detailed insights into March weather, you can visit Dallas weather in March.
When comparing the weather in August and April, notable differences emerge. August typically features much warmer temperatures, with a minimum of 20°C (68°F), averaging 29°C (85°F), and peaking at a sweltering 40°C (104°F). In contrast, April experiences a cooler climate, starting from a minimum of 2°C (35°F), averaging 19°C (66°F), and maxing out at 34°C (93°F). While August sees a fair amount of rainfall, accumulating 96 mm (3.8 in) over about 7 days, April has slightly higher precipitation at 122 mm (4.8 in) over 9 days. Additionally, April’s humidity level is higher at 78%, compared to August’s 66%. For more details on April's weather, visit Dallas weather in April.
In comparing the weather between August and May, we see distinct differences in temperature and precipitation patterns. August experiences a warmer climate, with average temperatures reaching 29°C (85°F) and a maximum of up to 40°C (104°F), while May's average is cooler at 24°C (75°F) with a maximum of 36°C (97°F). Additionally, May is notably wetter, receiving 178 mm (7.0 in) of precipitation over about 12 days, compared to August's 96 mm (3.8 in) over 7 days. Humidity levels are also higher in May at 81%, compared to 66% in August, making the former month feel more muggy. For those interested in more detailed statistics, check out Dallas weather in May.
When comparing the weather in August to that in June, we see notable similarities and differences. August tends to be slightly warmer, with average temperatures around 29°C (85°F) compared to June's 28°C (82°F). The maximum temperatures also peak higher in August at 40°C (104°F), whereas June sees a maximum of 38°C (100°F). Additionally, both months experience considerable humidity, although August's average humidity is somewhat lower at 66%, compared to June's 78%, which can make June feel more oppressive. Precipitation levels are quite similar, with August receiving 96 mm (3.8 in) over 7 days and June 93 mm (3.6 in) over 9 days. For more details about the weather in June, you can check out Dallas weather in June.
In comparing the weather between July and August, July tends to be slightly warmer on average, with an average temperature of 30°C (85°F) compared to August's 29°C (85°F). However, August records higher maximum temperatures, reaching up to 40°C (104°F), while July's peak hits 42°C (108°F). Both months experience the same number of rainy days, but August has significantly more precipitation, totaling 96 mm (3.8 in) compared to July’s 47 mm (1.8 in). Additionally, humidity levels are higher in July at 73%, compared to August's 66%. For more details on July’s weather specifics, check out Dallas weather in July.
August and September showcase a notable shift in weather patterns. In August, temperatures frequently soar with minimums around 20°C (68°F) and maximums reaching up to 40°C (104°F), accompanied by an average temperature of 29°C (85°F). The month experiences considerable humidity at 66% and receives 96 mm (3.8 in) of precipitation over 7 days. Conversely, September brings cooler temperatures, with a minimum of 11°C (51°F) and a maximum of 38°C (100°F), leading to an average of 26°C (80°F). Although slightly less rainfall is recorded at 81 mm (3.2 in), it occurs over 9 days, maintaining a similar humidity level at 65%. For more detailed insights into the weather conditions, visit Dallas weather in September.
In August, the weather tends to be hot and humid, with average temperatures around 29°C (85°F) and maximums soaring to 40°C (104°F). The month experiences about 96 mm (3.8 in) of precipitation over an average of 7 days. In contrast, October brings a significant drop in minimum temperatures to around 1°C (35°F) and averages 20°C (68°F). While the maximum temperature in October can reach 36°C (98°F), it is accompanied by higher precipitation levels at 143 mm (5.6 in) spread across 9 days, and humidity rises slightly to 72%. For more insights on the seasonal shift in Dallas, check out Dallas weather in October.
August and November present a striking contrast in weather. August boasts significantly warmer temperatures, with averages reaching 29°C (85°F) and highs peaking at 40°C (104°F), accompanied by moderate humidity levels of 66% and considerable precipitation of 96 mm (3.8 in) over about 7 days. In contrast, November's climate is much cooler, featuring an average temperature of 14°C (57°F) and minimum lows dropping as low as -5°C (24°F). While it has lower precipitation at 55 mm (2.2 in) over approximately 6 days, the humidity rises to 82%, creating a crisp, cool atmosphere. For more details, check out Dallas weather in November.
August and December present stark contrasts in weather. In August, temperatures soar, with a minimum of 20°C (68°F) and an average high of 29°C (85°F), peaking at a sizzling 40°C (104°F). The month experiences substantial humidity at 66% and considerable rainfall, with 96 mm (3.8 in) over 7 days. In contrast, December brings a dramatic drop in temperatures, with a minimum of -5°C (24°F) and an average of only 11°C (52°F), reaching a maximum of 28°C (83°F). Precipitation is lower at 66 mm (2.6 in) and the humidity rises to 87%. For more detailed insights, check out Dallas weather in December.
As summer peaks, August in Dallas stands out with its sweltering heat and notable humidity. Unlike the milder months surrounding it, this month can see temperatures soaring up to a blistering 40°C (104°F), while the overall warmth averages around 29°C (85°F). In contrast to the drier conditions typical of spring, August experiences increased humidity levels at 66% and receives about 96 mm (3.8 in) of rainfall over just seven days. This blend of heat and moisture sets August apart, crafting a unique atmosphere that can feel both intense and sticky. For more insights on how Dallas weather changes throughout the year, visit Dallas Climate.