August Weather in Twin Falls, United States

Last updated: February 24, 2025

August in Twin Falls, United States showcases a diverse weather profile that captures the essence of summer. The maximum temperature can reach a scorching 41°C (106°F), while the average temperature settles comfortably at 25°C (76°F), offering warm days and cool nights with a minimum of 6°C (42°F). With only 10 mm (0.4 in) of precipitation scattered over just 2 days, the month generally remains dry, complementing the 42% humidity that adds a touch of warmth to the air. Whether basking in the sun or enjoying cooler evenings, August presents a vibrant tapestry of weather that is characteristic of this stunning region.

August Temperature in Twin Falls

In Twin Falls, United States, August marks the height of summer, showcasing a notable warm spell with minimum temperatures averaging 6°C (42°F) and a comfortable average of 25°C (76°F). The mercury can soar to a sizzling maximum of 41°C (106°F), making it one of the hottest months of the year. This trend of increasing warmth is evident as August follows the typically warmer July, yet it maintains a distinct character with slightly lower minimum temperatures compared to the preceding month. As the summer wanes, residents and visitors enjoy long, sun-filled days, while the cooler nights provide a refreshing respite from the heat, encapsulating the vibrant essence of summer in Twin Falls.

August Weather in Twin Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Twin Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec313443505869797666504132
Data source: Temperature data for Twin Falls generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Twin Falls

In August, Twin Falls experiences a notable dip in precipitation, receiving just 10 mm (0.4 in) over two days, marking a continuation of the region's dry summer pattern. This decline follows an already sparse July, which recorded a mere 5 mm (0.2 in), underscoring the trend of decreasing rainfall during the peak summer months. As the summer winds down, August's figures not only reflect the dry conditions typical of the season but also set the stage for the slight increase in precipitation that often begins in September. With each passing month, as temperatures cool and the landscapes transition towards autumn, Twin Falls anticipates a gradual return to more consistent rainfall, eventually culminating in the wetter months ahead.

August Precipitation Trends in Twin Falls

The chart displays monthly precipitation patterns in Twin Falls, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec40463933391651016263239
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Twin Falls

In August, Twin Falls experiences a noticeable drop in humidity, reaching a low of 42%, the driest month of the year. This significant decrease follows a trend of declining humidity levels from the beginning of summer, where July records 53% humidity. The transition from the wetter winter months, which hover around 91% in January and 92% in February, starkly contrasts with the arid feel of late summer. As the seasons change, August's comfortable and dry conditions set the stage for the subsequent increase in humidity during the fall months, bringing a refreshing blend of crisp air and a slight rise to 46% in September. The fluctuation between high winter moisture and low summer humidity reflects Twin Falls' diverse climate, capturing the essence of its seasonal transitions in a relatively compact timeframe.

August Average Humidity in Twin Falls

This chart illustrates the average monthly humidity levels in Twin Falls, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%85%76%66%62%53%42%46%64%83%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Twin Falls

In August, Twin Falls experiences a very high UV Index of 10, indicating a critical time for sun exposure awareness. This marks a slight decrease from the peak of 11 in both June and July, but still necessitates caution with a burn time of just 15 minutes. As summer unfolds, the trend shows an escalation from a moderate index of 3 in January to the extreme levels seen mid-year. With the UV Index projected to gradually decline towards fall, residents and visitors should remain vigilant during this peak period. For more detailed information, visit Twin Falls UV Index.

Maximum UV Index Levels in Twin Falls for August

The chart shows the monthly maximum UV Index (UVI) for Twin Falls in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3578101111109643
Data source: Twin Falls August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Twin Falls

As summer whispers its final goodbyes in August, Twin Falls enjoys an impressive 355 hours of sunshine, making it one of the sunniest months of the year. This vibrant stretch of warmth follows closely on the heels of July, which boasts the highest sunshine hours at 391. Interestingly, the trend clearly reveals a gradual increase in sunlight from the dreary 143 hours in January to the sparkling heights of late summer. Although August experiences a slight dip from July, it still stands out as a month bathed in warmth and light, reinforcing the area’s reputation for bright, sun-filled days as it transitions into the cooler months ahead.

Monthly Sunshine Duration in Twin Falls: August Highlighted

The August sunshine duration represents the total number of hours Twin Falls experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec143h186h270h291h337h377h391h355h307h262h205h175h
Data source: Twin Falls August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Twin Falls During August

In Twin Falls, August shines as one of the sunniest months of the year, boasting a 77% chance of glorious sunshine. This trend is the culmination of a gradual increase in sunny days starting from the winter months, with January witnessing only 36% sunshine and steadily rising through the spring. By the time summer rolls in, the likelihood of sunny weather spikes dramatically—June and July hold 76% and 75% respectively. As a result, August emerges as a peak month for basking in the sun, just before the seasonal shift to cooler temperatures in September, where the sun still shines with an impressive 87% chance. This pattern not only highlights the vibrant summer months but also sets the stage for outdoor activities and enjoyment in the stunning landscape of Twin Falls.

Percentage of Sunny Days in August in Twin Falls

The chart illustrates the percentage of sunny days in Twin Falls throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Twin Falls experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%47%58%63%55%76%75%77%87%47%44%35%
Data source: Twin Falls August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Twin Falls in August

In August, Twin Falls enjoys a comfortable 13 hours of daylight, a slight dip from the peak of 15 hours experienced in June. This gradual decrease signals the transition towards fall, following a summer filled with longer, sun-soaked days. As daylight hours begin to recede, the allure of outdoor activities still remains strong, allowing residents and visitors alike to bask in the warmth of the summer sun. With August bridging the gap between July's extended daylight and September's shorter days, it invites a perfect blend of warmth and leisure, marking a bittersweet farewell to the longer days of summer while hinting at the cozy embrace of autumn on the horizon.

Average Daylight Hours in Twin Falls for August

The chart illustrates the variation in daylight duration in Twin Falls throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 27m10h 33m11h 58m13h 24m14h 38m15h 14m14h 54m13h 48m12h 25m10h 59m9h 44m9h 5m
Data source: Twin Falls daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Twin Falls

In August, Twin Falls experiences a gentle average wind speed of 3.0 m/s (7 mph), which reflects a slight dip from the summer peak of 2.7 m/s in July. This month tends to be a transitional period, where the warm breezes of summer become more subdued as autumn approaches. Following the steady winds of early summer, August's breezes create a calm yet refreshing atmosphere, perfect for outdoor activities. Interestingly, the wind speeds show a pattern of fluctuation throughout the year, with the strongest winds typically seen in February at 4.8 m/s (11 mph) and the weakest in July at 2.7 m/s (6 mph). Overall, August maintains a balance between the warm summer air and the cool, inviting breezes that hint at the coming change of seasons.

Average August Wind Speed in Twin Falls

The chart displays monthly wind speed patterns in Twin Falls, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.14.83.63.93.53.42.73.0 m/s2.93.32.93.8
Data source: Twin Falls August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Twin Falls Compares to Other Months

The weather in Twin Falls 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 Twin Falls and find detailed weather information for every month.

August and January present a stark contrast in weather conditions. In August, temperatures can soar to a maximum of 41°C (106°F), with an average of 25°C (76°F) and a minimal 6°C (42°F). The month typically sees only a couple of rainy days, with total precipitation amounting to just 10 mm (0.4 in) and humidity levels around 42%. In sharp contrast, January experiences frigid temperatures, ranging from a chilling minimum of -27°C (-16°F) to a slightly milder maximum of 16°C (62°F), with an average temperature of -1°C (31°F). This winter month is much wetter, with 40 mm (1.6 in) of precipitation over approximately eight days, accompanied by high humidity levels at 91%. For a detailed look at January weather patterns, you can visit Twin Falls weather in January.

The weather in August and February starkly contrasts, with August featuring warm temperatures ranging from a minimum of 6°C (42°F) to a scorching maximum of 41°C (106°F) and an average of 25°C (76°F). In stark contrast, February offers much colder conditions, with temperatures dipping to a minimum of -13°C (8°F), averaging around 1°C (34°F), and reaching a maximum of only 18°C (64°F). Additionally, August sees minimal precipitation of just 10 mm (0.4 in) over 2 days, while February experiences significantly higher precipitation levels of 46 mm (1.8 in) spread across 10 days. The humidity also varies greatly, with August at 42% compared to February's much more humid 92%. For more details on February weather specifics, you can visit Twin Falls weather in February.

August and March showcase a stark contrast in weather conditions. August boasts a warm average temperature of 25°C (76°F), with maximum highs reaching a scorching 41°C (106°F). Meanwhile, March presents a much cooler average of 6°C (43°F), with minimum temperatures plummeting to -9°C (15°F). Precipitation patterns also differ significantly; August is relatively dry with only 10 mm (0.4 in) over 2 days, whereas March experiences a wetter climate, receiving 39 mm (1.5 in) of rainfall across approximately 10 days. Additionally, humidity levels in March reach a high of 85%, compared to a more comfortable 42% in August. For more detailed insights, you can check out Twin Falls weather in March.

In comparing the weather between April and August, notable differences emerge. April experiences a much cooler temperature range, with minimums dropping to -5°C (23°F) and a maximum of 31°C (89°F), while August boasts warmer averages, with temperatures ranging from a minimum of 6°C (42°F) to a scorching maximum of 41°C (106°F). Additionally, April encounters significantly more precipitation, averaging 33 mm (1.3 in) over about 8 days, contributing to a higher humidity level of 76%. In contrast, August is drier with only 10 mm (0.4 in) of rain spread over just 2 days and a humidity of 42%. For more insights on April weather, you can explore Twin Falls weather in April.

Comparing the weather in August and May reveals distinct seasonal differences. August boasts higher temperatures with an average of 25°C (76°F) and maximum highs reaching up to 41°C (106°F), contributing to relatively low humidity at 42%. In contrast, May experiences cooler temperatures, averaging 15°C (59°F) with a lower maximum of 35°C (96°F), but higher humidity levels at 66% and more frequent precipitation, totaling 39 mm (1.5 in) over about 7 days. For more details on May conditions, you can check out Twin Falls weather in May.

When comparing the weather in August and June, August tends to be warmer, with average temperatures reaching 25°C (76°F) compared to June's 21°C (70°F). The maximum temperature in August can soar up to 41°C (106°F), while June’s maximum is slightly lower at 39°C (102°F). August experiences less precipitation, totaling only 10 mm (0.4 in) over two days, while June sees a bit more rain at 16 mm (0.6 in) over the same number of days. Additionally, the humidity levels in June are higher at 62%, compared to August’s 42%, making June feel more humid overall. For more details on June weather, you can check Twin Falls weather in June.

In comparing the weather between July and August, August tends to be slightly warmer, with average temperatures of 25°C (76°F) compared to July's 26°C (80°F), while both months experience high maximum temperatures, peaking at 41°C (106°F) in August and 40°C (104°F) in July. Humidity levels are lower in August at 42%, compared to July's higher humidity of 53%. Both months see minimal precipitation, but August has slightly more, with 10 mm (0.4 in) over 2 days, compared to July's 5 mm (0.2 in) over just 1 day. For more specific details regarding July's weather patterns, you can refer to Twin Falls weather in July.

August typically showcases warmer temperatures with a minimum of 6°C (42°F) and an average high reaching up to 41°C (106°F), while September cools down significantly with a minimum of 1°C (35°F) and an average high of 39°C (103°F). Although both months experience similar precipitation patterns with 2 days of rain, September sees a slight increase in total rainfall to 16 mm (0.6 in) compared to August's 10 mm (0.4 in). Additionally, humidity levels rise slightly in September to 46%, up from August's 42%. For more specific details on the climate, check out Twin Falls weather in September.

In August, the weather is characterized by warm temperatures, with average highs reaching up to 41°C (106°F) and a relatively low humidity of 42%. Precipitation is minimal, occurring on just two days, making it a dry month overall. In contrast, October features much cooler conditions, with average temperatures dipping significantly to around 10°C (50°F) and nighttime lows plunging to -12°C (10°F). This month experiences increased humidity at 64% and more precipitation, totaling 26 mm (1.0 in) over four days. For a detailed look at what to expect, check out Twin Falls weather in October.

August and November present stark contrasts in weather. In August, temperatures soar with a minimum of 6°C (42°F), averaging a warm 25°C (76°F), and can reach a blistering maximum of 41°C (106°F). This month experiences minimal precipitation, totaling just 10 mm (0.4 in) over 2 days, and a comfortable humidity level of 42%. In contrast, November brings significantly cooler conditions, with a minimum temperature plunging to -9°C (16°F) and an average of only 5°C (41°F). The month sees higher precipitation of 32 mm (1.2 in) spread over 7 days, along with a much higher humidity level of 83%. For a closer look at the November weather specifics, visit Twin Falls weather in November.

August and December present stark contrasts in weather. August typically boasts warm temperatures, with a minimum of 6°C (42°F), an average of 25°C (76°F), and a maximum reaching up to 41°C (106°F). This month experiences low precipitation, averaging only 10 mm (0.4 in) over just 2 rainy days and a comfortable humidity level of 42%. In contrast, December's climate is much colder, featuring a minimum temperature of -12°C (10°F), an average of 0°C (32°F), and a maximum of 16°C (60°F). This month is marked by significantly higher precipitation, accumulating 39 mm (1.5 in) over 8 days, coupled with much higher humidity at 87%. For more detailed weather insights, check out Twin Falls weather in December.

Compare Twin Falls's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Twin Falls

August in Twin Falls brings a striking blend of warmth and dryness that sets it apart from other months. With temperatures peaking at a sizzling 41°C (106°F) and an average that invites outdoor activities, this month stands out as one of the hottest times of the year. Additionally, the low humidity at 42% combined with minimal rainfall—just 10 mm over two days—creates a perfect backdrop for summer adventures. Embrace the sun-drenched days and starry nights; August truly captures the essence of summer in Twin Falls. For more insights on the season's unique characteristics, visit Twin Falls Climate.