August Weather in Saint Joseph, United States

Last updated: February 24, 2025

August in Saint Joseph, United States offers a delightful summer experience characterized by a maximum temperature reaching 31°C (89°F) and an average temperature of 23°C (73°F), making it a warm month. With a minimum temperature of 12°C (54°F), evenings provide a pleasant coolness. However, preparation for occasional rain is necessary, as 73 mm (2.9 in) of precipitation falls over approximately 10 days, contributing to the city's lush surroundings. High humidity levels at 79% create a tropical feel, enhancing the overall charm of this vibrant summer month.

August Temperature in Saint Joseph

In August, Saint Joseph, United States, experiences mild warmth, with minimum temperatures around 12°C (54°F) and averaging 23°C (73°F). The month sees a maximum reach of 31°C (89°F), making it one of the hottest times of the year. This warmer climate follows a gradual upward trend from the cooler winter months, where January's frigid lows of -25°C (-13°F) give way to the more temperate conditions of summer. With temperatures consistently rising from spring through summer, August marks the peak of warmth, offering residents and visitors a chance to savor the vibrant outdoor activities before the cooler autumn months set in. As the season begins to transition, September brings a slight cool down, but August revels in the height of summer's soothing embrace.

August Weather in Saint Joseph: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Saint Joseph, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec282938465869747367554135
Data source: Temperature data for Saint Joseph 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 Saint Joseph

In August, Saint Joseph experiences a dip in precipitation, with a total of 73 mm (2.9 in), making it one of the drier months of the year. This marks a continuation of a downward trend from the heavier rainfall of May and June, where totals peaked at 168 mm (6.6 in) and 133 mm (5.2 in), respectively. The number of rainy days also decreases to just 10, allowing for more sun and warmth as summer begins to wane. Interestingly, precipitation levels remain steady into September, maintaining at 73 mm (2.9 in), hinting at a transition phase before autumn sets in with typically higher rainfall in October. Overall, August’s weather provides a pleasant respite, blending sunny days with occasional rain, perfect for enjoying the last days of summer.

August Precipitation Trends in Saint Joseph

The chart displays monthly precipitation patterns in Saint Joseph, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7976871081681339473731457469
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Saint Joseph

As summer draws to a close, August in Saint Joseph experiences a notable dip in humidity, settling at 79%. This decline marks a shift from the higher humidity levels observed during the preceding months, where readings consistently hovered in the low 80s. Interestingly, August is the first month to break the trend of increasing humidity that begins in early spring, with April peaking at 87%. Following August, a gradual decrease continues through September at 78%, leading into the cooler, more humid months of fall and winter, where humidity spikes again, reaching 89% in November. This seasonal pattern underscores the transition from the warm, sticky summer air to the crispness of autumn, offering a refreshing change for residents.

August Average Humidity in Saint Joseph

This chart illustrates the average monthly humidity levels in Saint Joseph, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%87%81%82%81%79%78%81%89%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Saint Joseph

In August, Saint Joseph experiences a UV Index of 9, indicating very high exposure levels, with a burn time of just 15 minutes. This trend of elevated UV levels continues from the peak months of June and July, which both also recorded a UV Index of 10. Following this high point, the index begins to taper in September to an 8, signaling a gradual decline into the milder UV conditions of autumn. As summer concludes, it's essential to remain vigilant about sun protection, particularly during these remaining sunny days. For a comprehensive look at UV levels throughout the year, visit Saint Joseph UV Index.

Maximum UV Index Levels in Saint Joseph for August

The chart shows the monthly maximum UV Index (UVI) for Saint Joseph 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.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Saint Joseph 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 Saint Joseph

In August, Saint Joseph basks in a delightful 341 hours of sunshine, making it one of the sunniest months of the year. This vibrant summer month continues the trend established in the preceding months, especially with July boasting an impressive 358 hours of sunlight. The warm, sun-drenched days of June and July taper slightly in August, yet the light remains abundant, supporting a lively outdoor culture as locals savor the last days of summer. Following August, September sees a notable decrease in sunlight, with 288 hours marking the transition into the cooler fall months. Overall, the sunshine trend in Saint Joseph peaks during the summer, gradually declining as the year progresses, a rhythm that invites residents and visitors alike to soak in the warmth before autumn sets in.

Monthly Sunshine Duration in Saint Joseph: August Highlighted

The August sunshine duration represents the total number of hours Saint Joseph 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.
JanFebMarAprMayJunJulAugSepOctNovDec94h157h235h245h293h331h358h341h288h218h167h148h
Data source: Saint Joseph August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint Joseph During August

As summer reaches its peak, the likelihood of sunny weather in August in Saint Joseph, United States, stands at an encouraging 48%. This figure reflects a notable trend where the chances for sunshine see a gradual increase from the earlier months of the year, peaking during the warmer summer months. While July also boasts a similar sunny probability at 46%, August matches it, indicating that residents and visitors can expect ample opportunities to bask in the sun. Following August, the odds continue to rise in September, suggesting a lingering summer vibe before the onset of fall. Thus, August serves as a perfect time to enjoy outdoor activities in mostly favorable weather conditions, contributing to the region’s vibrant summer atmosphere.

Percentage of Sunny Days in August in Saint Joseph

The chart illustrates the percentage of sunny days in Saint Joseph 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 Saint Joseph experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%20%48%42%37%44%46%48%56%32%33%28%
Data source: Saint Joseph August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint Joseph in August

In Saint Joseph, the daylight duration experiences a captivating ebb and flow throughout the year, highlighting the seasonal rhythm of the region. As August arrives, residents enjoy approximately 13 hours of daylight, a slight decline from the sun-drenched heights of June and July, which boast the longest days at 15 and 14 hours, respectively. This gradual tapering reflects summer's waning influence, setting the stage for the crisp days of fall. Interestingly, August’s daylight mirrors the burgeoning light of April, emphasizing a transitional feel in nature as it prepares for the cooler months ahead. The shift continues into September, where daylight drops to 12 hours, urging the community to savor the last golden rays of summer before autumn firmly takes hold.

Average Daylight Hours in Saint Joseph for August

The chart illustrates the variation in daylight duration in Saint Joseph throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 30m10h 35m11h 58m13h 22m14h 34m15h 9m14h 50m13h 46m12h 25m11h 1m9h 47m9h 10m
Data source: Saint Joseph daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Saint Joseph

In Saint Joseph, United States, the August wind tends to be the calmest of the year, with an average speed of just 3.0 m/s (7 mph). This gentle breeze marks a distinct contrast to the brisker gusts seen in early spring and late autumn, where winds average 4.8 m/s (11 mph) in March and soar to 5.4 m/s (12 mph) in November. As summer unfolds, wind speeds gradually decline from May through August, suggesting a mellowing effect as temperatures rise. Following August, winds pick up again in September, returning to a more invigorating pace of 4.3 m/s (10 mph), signaling a transition into the fall months. This cyclical pattern highlights the unique dance of seasonal changes, where the August lull provides a serene pause before the winds of autumn reassert themselves.

Average August Wind Speed in Saint Joseph

The chart displays monthly wind speed patterns in Saint Joseph, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.74.83.93.83.53.43.0 m/s4.34.25.45.1
Data source: Saint Joseph August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Saint Joseph Compares to Other Months

The weather in Saint Joseph 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 Saint Joseph and find detailed weather information for every month.

August and January present stark contrasts in weather. In August, temperatures range from a mild 12°C (54°F) at night to a warm 31°C (89°F) during the day, with an average temperature around 23°C (73°F). The month sees about 73 mm (2.9 in) of precipitation across 10 days, and humidity levels hover around 79%. In contrast, January is characterized by frigid conditions, with temperatures plummeting as low as -25°C (-13°F) and averaging around -2°C (29°F), reaching a maximum of only 14°C (58°F). The winter month experiences slightly higher precipitation at 79 mm (3.1 in) over 13 days, accompanied by a higher humidity of 85%. For more detailed insights, you can explore Saint Joseph weather in January.

August and February present strikingly contrasting weather patterns. In August, temperatures range from a mild 12°C (54°F) at night to a warm average of 23°C (73°F), peaking at a hot 31°C (89°F) during the day. This month also experiences significant humidity at 79% and moderate rainfall, totaling 73 mm (2.9 in) over about 10 days. In contrast, February plunges into winter, with a starkly different climate where temperatures can drop to a frigid minimum of -21°C (-6°F) and only reach an average of -1°C (30°F), with a maximum of 16°C (61°F). Precipitation is slightly higher at 76 mm (3.0 in) spread over 13 days, accompanied by elevated humidity levels at 85%. For a deeper look into February's climate specifics, you can explore Saint Joseph weather in February.

In August, the weather is considerably warmer with average temperatures reaching 23°C (73°F), peaking at a maximum of 31°C (89°F). The month experiences high humidity at 79% and receives approximately 73 mm (2.9 in) of precipitation over about 10 days. In contrast, March is much cooler, with average temperatures around 3°C (38°F) and a maximum of 21°C (70°F). While it is colder, March sees more precipitation, totaling 87 mm (3.4 in) over about 12 days and a higher humidity level of 86%. For more details on March weather, you can visit Saint Joseph weather in March.

When comparing the weather of August and April, a significant difference is evident in temperature and precipitation. In August, temperatures range from a minimum of 12°C (54°F) to a maximum of 31°C (89°F), with an average of 23°C (73°F). In contrast, April sees much cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 26°C (78°F), averaging just 8°C (46°F). While April experiences more precipitation at 108 mm (4.2 in) over about 14 days, August has slightly less precipitation at 73 mm (2.9 in) over 10 days, but with higher humidity levels of 79% compared to April's 87%. For more detailed information on April weather, visit Saint Joseph weather in April.

When comparing the weather in August to that in May, notable differences emerge. August tends to be warmer, with average temperatures around 23°C (73°F) compared to May's cooler average of 14°C (58°F). While both months experience humidity levels around 79% in August and 81% in May, May sees significantly more precipitation, totaling 168 mm (6.6 in) over 15 days, compared to August's 73 mm (2.9 in) over just 10 days. This makes May not only wetter but also more variable in terms of temperatures, as it spans a wider range from a minimum of -1°C (31°F) to a maximum of 30°C (87°F). For more details, you can visit Saint Joseph weather in May.

In comparing the weather between August and June, we observe that both months experience similar maximum temperatures, reaching up to 31°C (89°F). However, June has a slightly cooler average temperature of 21°C (69°F) compared to August's average of 23°C (73°F). Notably, June also records more precipitation, with a total of 133 mm (5.2 in) over 12 days, while August sees 73 mm (2.9 in) across 10 days. Additionally, humidity levels are quite high in both months, with August at 79% and June slightly higher at 82%. For more detailed information, you can refer to Saint Joseph weather in June.

In comparing the weather patterns of July and August, we see that both months have similar average temperatures, with July averaging 23°C (74°F) and August also averaging 23°C (73°F). However, July tends to be slightly warmer, with a maximum temperature of 32°C (90°F) compared to August's 31°C (89°F). Precipitation is more pronounced in July, with 93 mm (3.7 in) over 11 days, compared to August's 73 mm (2.9 in) over 10 days. Additionally, humidity levels remain quite high in both months, with July at 81% and August slightly lower at 79%. For a closer look at July's climate specifics, you can check Saint Joseph weather in July.

August features warmer temperatures with an average of 23°C (73°F) and maximums reaching up to 31°C (89°F), while September cools down slightly, averaging 20°C (68°F) with a maximum of 32°C (90°F). Both months experience similar levels of precipitation, totaling 73 mm (2.9 in), though August sees rain on 10 days compared to just 8 days in September. Humidity remains high in both months, with August at 79% and September slightly lower at 78%. For more detailed information, you can check the Saint Joseph weather in September.

In August, the weather is typically warmer, with average temperatures around 23°C (73°F) and maximums reaching up to 31°C (89°F). The month experiences about 73 mm (2.9 in) of precipitation over approximately 10 days, with a humidity level of 79%. In contrast, October brings a significant drop in temperatures, averaging just 13°C (56°F), with a minimum of 1°C (34°F) and maximums around 29°C (84°F). This month is noticeably wetter, with 145 mm (5.7 in) of rainfall spread across 15 days and a slightly higher humidity of 81%. For more detailed information, you can check out Saint Joseph weather in October.

August and November showcase strikingly different weather patterns. In August, temperatures range from a mild 12°C (54°F) at night to a warm 31°C (89°F) during the day, accompanied by an average of 23°C (73°F). The month experiences 73 mm (2.9 in) of precipitation across 10 days, with a humidity level of 79%, creating a typically humid summer atmosphere. In contrast, November brings much colder temperatures, with a significant drop to a minimum of -9°C (17°F) and a daily maximum reaching only 22°C (72°F), alongside an average of just 5°C (41°F). The precipitation remains similar at 74 mm (2.9 in) over the same number of days, but the humidity rises to 89%, contributing to a more biting chill in the air. For a deeper dive into the specific weather patterns of November, check out Saint Joseph weather in November.

August and December present starkly contrasting weather conditions. In August, temperatures range from a mild 12°C (54°F) at night to a warm 31°C (89°F) during the day, with an average of 23°C (73°F). The month experiences about 73 mm (2.9 in) of rain over 10 days, accompanied by high humidity at 79%. In sharp contrast, December sees much colder temperatures, with a minimum of -17°C (2°F) and a maximum of 16°C (61°F), averaging just 2°C (35°F). Precipitation is slightly lower at 69 mm (2.7 in) over 11 days, and humidity rises to 86%. For a more detailed look at December conditions, visit Saint Joseph weather in December.

Compare Saint Joseph's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Saint Joseph

In August, the weather in Saint Joseph showcases a delightful transition, with warmer temperatures that frequently reach their peak, inviting locals and visitors alike to enjoy outdoor activities. The warm average offers a comfortable climate, perfect for beach outings or exploring the beautiful surroundings. While occasional rain shows up on about 10 days of the month, the overall humidity adds a touch of summer's charm, making it feel even warmer. Compared to the cooler months prior, August is a vibrant time, marking the culmination of summer, before the seasonal shift. For a deeper insight into the fluctuating seasons, check out Saint Joseph Climate.