August Weather in Bethlehem, United States

Last updated: February 24, 2025

August in Bethlehem, United States, presents a warm and occasionally humid climate, with maximum temperatures reaching up to 34°C (94°F) and an average of 23°C (74°F). Nighttime brings a refreshing cool down, as minimum temperatures dip to 11°C (52°F). This month also sees 140 mm (5.5 in) of precipitation over 13 days, providing a mix of sunny spells and rainy intervals. With an average humidity of 62%, the weather offers a distinctive summer feel, making it a vibrant time in Bethlehem.

August Temperature in Bethlehem

In August, Bethlehem experiences a delightful embrace of warmth, with temperatures reflecting the height of summer. The month begins with a minimum temperature of 11°C (52°F) and features an average that rises to 23°C (74°F), showcasing a vibrant climate ideal for outdoor activities. The maximum temperature peaks at 34°C (94°F), making it one of the hottest periods of the year. This trend of increasing warmth is a significant contrast to the frigid lows of the winter months, where temperatures can plummet to -20°C (-4°F) in January. August's balmy conditions encourage residents and visitors alike to enjoy the beauty of the season, setting the stage for a rich tapestry of summer experiences in Bethlehem.

August Weather in Bethlehem: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Bethlehem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec323540516170767468574336
Data source: Temperature data for Bethlehem 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 Bethlehem

August in Bethlehem, United States, marks a peak in precipitation, with 140 mm (5.5 in) of rain falling over 13 days. This significant rainfall positions August as one of the wettest months alongside May and July, which also boast substantial precipitation, though slightly lower at 139 mm (5.5 in) and 127 mm (5.0 in) respectively. The trend of increasing rainfall in the summer months continues, suggesting a shift in weather patterns as vibrant thunderstorms often accompany the heat. As summer fades into autumn, September sees a notable decrease in precipitation to 109 mm (4.3 in), hinting at a gradual return to drier conditions. Overall, August stands out not only for its volume of rain but also for its consistency, as residents can expect a lush, green landscape thanks to the summer showers preceding the fall.

August Precipitation Trends in Bethlehem

The chart displays monthly precipitation patterns in Bethlehem, 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.
JanFebMarAprMayJunJulAugSepOctNovDec721089810813910212714010912391108
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Bethlehem

In August, Bethlehem experiences a noticeable dip in humidity, with levels averaging around 62%. This reduction marks a downward trend in humidity that begins in July, where it sits at 65%, and continues through the summer months. The transition from the cooler, more humid days of winter—where humidity often reaches 87% in January—to the drier summer months illustrates a significant shift in the region's climate. As humidity decreases during August, residents can enjoy the warm summer weather with slightly more comfortable conditions, paving the way for the increased moisture that returns in September at 66%. Overall, these fluctuations highlight the characteristically varied and dynamic weather patterns experienced throughout the year in Bethlehem.

August Average Humidity in Bethlehem

This chart illustrates the average monthly humidity levels in Bethlehem, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Bethlehem

In August, Bethlehem experiences a UV Index of 9, denoting a very high exposure level, which translates to a burn time of just 15 minutes for those unprotected. This peak intensity follows a summer marked by consistently elevated UV levels, with June and July also recording a maximum UV Index of 10. Interestingly, as the season transitions into September, the UV Index begins to decline slightly to 8, but still remains in the very high category. Overall, August serves as a reminder of the heightened sun exposure typical of late summer, urging residents to take the necessary precautions to protect their skin. For more detailed UV information throughout the year, visit Bethlehem UV Index.

Maximum UV Index Levels in Bethlehem for August

The chart shows the monthly maximum UV Index (UVI) for Bethlehem 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.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Bethlehem 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 Bethlehem

August in Bethlehem, United States, basks in an impressive 301 hours of sunshine, marking the tail end of a vibrant summer. This month follows a peak in July, which enjoyed 334 hours, embodying the warmest and sunniest days of the year. As sunshine gradually tapers off with the approach of fall, August still holds on to a substantial amount of light, surpassing preceding months like June and May. The trend showcases a clear escalation in daylight hours from the cold and dark of January, which starts off with only 136 hours. With the sun's steady retreat into autumn, residents can savor the lingering warmth of late summer while preparing for the seasonal shift ahead.

Monthly Sunshine Duration in Bethlehem: August Highlighted

The August sunshine duration represents the total number of hours Bethlehem 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.
JanFebMarAprMayJunJulAugSepOctNovDec136h172h239h236h266h304h334h301h265h212h203h169h
Data source: Bethlehem August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bethlehem During August

August in Bethlehem, United States, presents a 32% chance of sunny weather, marking a dip in the likelihood of clear skies compared to the preceding summer months, particularly July, which enjoyed a 45% sunshine probability. This decline aligns with a broader trend observed in the late summer and early fall transition, where sunshine chances tend to fluctuate, peaking again in September with a 46% probability. Despite August's lower figures, it still remains crucial to embrace the outdoor spirit, as there are moments of warmth and brightness to relish before the arrival of autumn's more overcast days.

Percentage of Sunny Days in August in Bethlehem

The chart illustrates the percentage of sunny days in Bethlehem 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 Bethlehem experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%27%55%42%39%38%45%32%46%34%54%30%
Data source: Bethlehem August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bethlehem in August

In Bethlehem, United States, August marks a transition in daylight duration, with the sun gracing the sky for approximately 13 hours a day. This follows the peak of summer in June, where daylight reached its maximum of 15 hours. As the warmth of summer lingers, August still enjoys abundant sunlight before the gradual decline begins in September, with daylight decreasing to 12 hours. The trend reveals a typical summer lull, with long, bright days in the earlier months slowly giving way to shorter, crisper days as the year progresses towards autumn. This rhythm of daylight not only influences outdoor activities but also sets the stage for the changing seasons ahead.

Average Daylight Hours in Bethlehem for August

The chart illustrates the variation in daylight duration in Bethlehem throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 37m10h 39m11h 58m13h 19m14h 27m15h 1m14h 43m13h 42m12h 24m11h 4m9h 53m9h 17m
Data source: Bethlehem daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Bethlehem

In Bethlehem, United States, August brings with it the gentlest breezes of the year, with an average wind speed of just 2.1 m/s (5 mph). This marks a noticeable decline from the earlier months, where winds peaked at 3.4 m/s (8 mph) in March. The trend of diminishing winds continues through the summer, creating a calm and serene atmosphere that characterizes the late summer days. As the season transitions into fall, the wind speed begins to gradually rise again, hinting at the return of more brisk conditions in September and October. Overall, August stands out as a time of tranquility in Bethlehem, allowing locals to bask in the stillness before the winds pick up once more.

Average August Wind Speed in Bethlehem

The chart displays monthly wind speed patterns in Bethlehem, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.03.43.12.82.32.22.1 m/s2.72.62.72.7
Data source: Bethlehem August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Bethlehem Compares to Other Months

The weather in Bethlehem 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 Bethlehem and find detailed weather information for every month.

August and January present stark contrasts in weather. August boasts warm temperatures, with averages around 23°C (74°F) and highs reaching up to 34°C (94°F). It's a relatively humid month, with 62% humidity and notable precipitation of 140 mm (5.5 in) over 13 days. In stark contrast, January experiences frigid conditions, where temperatures can plummet to a minimum of -20°C (-4°F) and only reach an average of 0°C (32°F), peaking at 18°C (64°F). The humidity is higher at 87%, but there is less precipitation, totaling just 72 mm (2.8 in) over 8 days. For more details, check out Bethlehem weather in January.

August and February present starkly contrasting weather conditions. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 34°C (94°F), with an average of 23°C (74°F), and the month experiences around 140 mm (5.5 inches) of precipitation over 13 days, accompanied by a humidity level of 62%. In contrast, February sees a much chillier climate, with temperatures dipping as low as -19°C (-1°F) and only reaching a maximum of 25°C (77°F), averaging just 1°C (35°F). The month also receives 108 mm (4.2 inches) of precipitation over 12 days but carries a higher humidity of 85%. For a detailed look at February weather in Bethlehem, you can check Bethlehem weather in February.

August and March present a striking contrast in weather patterns. August typically boasts warmer temperatures, ranging from a minimum of 11°C (52°F) to a maximum of 34°C (94°F), with an average of 23°C (74°F). However, it is also a month characterized by notable precipitation, with around 140 mm (5.5 in) over approximately 13 days, accompanied by a moderate humidity level of 62%. In contrast, March experiences a cool climate, with temperatures ranging from a chilly -20°C (-4°F) at night to a maximum of 26°C (78°F) during the day, averaging just 5°C (40°F). The month sees 98 mm (3.9 in) of precipitation over about 11 days, but the humidity is higher at 85%. For those interested in a more detailed look at March weather, you can refer to the data available at Bethlehem weather in March.

When comparing the weather in August and April, notable differences arise in temperature and humidity. August typically boasts warmer temperatures, with average highs reaching 34°C (94°F) and a comfortable average of 23°C (74°F), contrasting significantly with April's maximum of only 29°C (85°F) and an average of 10°C (51°F). Precipitation is more frequent in August, occurring on 13 days with a total of 140 mm (5.5 in), while April experiences slightly less moisture at 108 mm (4.2 in) over 12 days. Additionally, April's higher humidity level of 83% compared to August's 62% creates a noticeable difference in comfort levels throughout the day. For more details, you can check Bethlehem weather in April.

When comparing the weather in August and May, we see notable differences in temperature and humidity. August boasts warmer conditions with an average temperature of 23°C (74°F), peaking at a high of 34°C (94°F), while May's temperatures are milder, averaging 16°C (62°F) with a maximum of 33°C (91°F). Both months experience similar precipitation levels, with August and May recording around 140 mm (5.5 in) over 13 days; however, May tends to have higher humidity at 75% compared to August's 62%. For more details on May's specific climate, visit Bethlehem weather in May.

When comparing the weather in August to that in June, there are some notable differences. August typically has a higher average temperature of 23°C (74°F), compared to June's 21°C (70°F). Both months can reach high maximum temperatures of 34°C (94°F) in August and 35°C (94°F) in June, but August experiences more rainfall, with 140 mm (5.5 in) over 13 days, while June sees less precipitation at 102 mm (4.0 in) over 12 days. Additionally, humidity levels are slightly lower in August at 62%, compared to June's higher humidity of 73%. For a detailed look at June's weather specifically, you can check out Bethlehem weather in June.

In comparing the weather between July and August, we can see some distinct differences. July tends to be slightly warmer with an average temperature of 25°C (76°F) and maximum highs reaching up to 36°C (96°F), while August averages a cooler 23°C (74°F) and peaks at 34°C (94°F). Precipitation in August is a bit higher, with 140 mm (5.5 in) over 13 days compared to July's 127 mm (5.0 in) over 12 days. Additionally, humidity levels are slightly higher in July at 65%, compared to August's 62%. For a detailed look at July's weather specifics, you can check out Bethlehem weather in July.

In August, the weather is characterized by warmer temperatures, with a minimum of 11°C (52°F) and an average of 23°C (74°F), peaking at 34°C (94°F). This month also sees higher precipitation levels, totaling 140 mm (5.5 in) across 13 days, and a moderate humidity of 62%. In contrast, September experiences a drop in temperatures, with a minimum of 3°C (37°F) and an average of 20°C (68°F), while the maximum reaches 33°C (92°F). Precipitation decreases to 109 mm (4.3 in) over 9 days, alongside a slight increase in humidity at 66%. For more detailed information, you can check Bethlehem weather in September.

August and October exhibit striking contrasts in weather patterns. In August, temperatures range from a pleasant 11°C (52°F) at night to a sweltering 34°C (94°F) during the day, with an average of 23°C (74°F). The month also experiences higher humidity at 62% and substantial rainfall, totaling 140 mm (5.5 in) over 13 days. In contrast, October sees much cooler temperatures, with a minimum of 1°C (34°F) and an average of 14°C (58°F), peaking at 33°C (91°F). While it is drier than August, it still receives 123 mm (4.8 in) of precipitation over 10 days and has increased humidity at 79%. For more specific insights into October's climate, you can visit Bethlehem weather in October.

August and November present strikingly different weather patterns. In August, temperatures range from a comfortable minimum of 11°C (52°F) to a warm maximum of 34°C (94°F), with an average of 23°C (74°F). This month experiences significant rainfall, with about 140 mm (5.5 in) spread over 13 days and a relative humidity of 62%. In contrast, November brings much chillier temperatures, with a minimum of -13°C (9°F) and an average of just 6°C (43°F), although it can reach a milder maximum of 24°C (75°F) on rare occasions. Precipitation decreases to 91 mm (3.6 in) over 9 days, accompanied by higher humidity at 87%. For a more detailed look at what to expect during this time, check out Bethlehem weather in November.

August and December present stark contrasts in weather conditions. In August, temperatures range from a mild 11°C (52°F) to a warm 34°C (94°F), with an average of 23°C (74°F), and the month experiences considerable rainfall, totaling 140 mm (5.5 in) over 13 days, coupled with a humidity of 62%. In contrast, December brings much colder temperatures, with a minimum of -14°C (8°F) and a maximum of 17°C (63°F), averaging only 2°C (36°F). The precipitation in December is slightly less at 108 mm (4.2 in) over 11 days, but the humidity significantly increases to 85%. For those interested in exploring more about the weather patterns in December, you can check out Bethlehem weather in December.

Compare Bethlehem's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Bethlehem

As summer reaches its peak in Bethlehem, August brings a noticeable warmth that sets it apart from the cooler months. With daytime temperatures often soaring up to 34°C (94°F) and an average of 23°C (74°F), residents and visitors alike experience a vibrant atmosphere under the sun. While the month sees moderate humidity at 62%, it is marked by occasional rainfall, with 13 days recording a total of 140 mm (5.5 in). This mix of heat and precipitation creates a unique climate that distinguishes August from the milder temperatures of spring and fall. For a deeper insight into the yearly weather patterns, check out Bethlehem Climate.