August Weather in New Castle, United States

Last updated: February 24, 2025

August in New Castle, United States, typically showcases warm and humid conditions, with an average temperature of 22°C (71°F). The month can see a maximum peak of 31°C (88°F), ideal for outdoor activities, though evenings can turn cooler with minimum temperatures dropping to 13°C (55°F). Rainfall is not uncommon, as the city experiences approximately 71 mm (2.8 in) of precipitation over 9 days, making it prudent to pack an umbrella. With humidity levels averaging 66%, visitors and residents alike should be prepared for the occasional summer shower amidst the warm weather.

August Temperature in New Castle

In New Castle, United States, August brings a warm, summery charm, with temperatures consistently reaching a comfortable average of 22°C (71°F). The month enjoys minimums around 13°C (55°F) and peaks at 31°C (88°F), showcasing a delightful balance between warmth and cool breezes. This stability in temperatures reflects a gradual transition from the hotter July, ensuring that residents and visitors alike can savor the beauty of late summer days. As August progresses, the warmth starts to wane, hinting at the cooler weather that will soon follow in September. Overall, August stands out as a vibrant month, perfect for outdoor activities in New Castle's inviting climate.

August Weather in New Castle: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in New Castle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec303236465565717165554334
Data source: Temperature data for New Castle 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 New Castle

In August, New Castle experiences a notable decline in precipitation, receiving 71 mm (2.8 in) of rain over 9 days. This represents a shift from the more substantial downpours seen earlier in the summer, with July bringing in 123 mm (4.8 in) across 12 days. The drier conditions of August set the stage for a brief reprieve from the heavy rain that dominates the months of April and October, which consistently see some of the highest rainfall totals. This downward trend in precipitation allows for more sunshine and warmer temperatures, making August a transitional month as the region heads toward the wetter fall season.

August Precipitation Trends in New Castle

The chart displays monthly precipitation patterns in New Castle, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79989414383881237178143108133
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in New Castle

In New Castle, the humidity levels in August dip to a comfortable 66%, marking the tail end of the summer season. This slight decrease continues a trend observed throughout the warmer months, where humidity gradually declines from a peak of 86% in January to 67% in July. The transition into late summer highlights a shift in the weather, as the region moves away from the muggy conditions that characterize earlier months. Following August, humidity levels are set to rise again in September, reaching 71%, as the air becomes heavier with the approach of fall. This rhythmic ebb and flow of humidity not only influences local climate but also affects the daily experiences of New Castle’s residents.

August Average Humidity in New Castle

This chart illustrates the average monthly humidity levels in New Castle, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in New Castle

As August rolls in, New Castle, United States experiences a UV Index of 9, maintaining its status as a month of very high UV exposure. This marks a continuation of the intense sunlight that began in May and persisted through July. With a burn time of just 15 minutes, it is crucial for residents and visitors alike to take protective measures when outdoors, as prolonged exposure can lead to adverse effects on the skin. Compared to earlier months, the trend towards increased UV intensity highlights the importance of sunscreen and protective clothing during the summer sun. Stay informed and safeguarded from harmful UV rays by checking the detailed forecast at New Castle UV Index.

Maximum UV Index Levels in New Castle for August

The chart shows the monthly maximum UV Index (UVI) for New Castle 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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: New Castle 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 New Castle

August in New Castle, United States, marks the pinnacle of sunshine, basking in an impressive 337 hours of sunlight. This peak is part of a notable trend, as the summer months consistently outshine the rest of the year, with June and July also providing ample daylight with 330 and 335 hours, respectively. Following a steady climb from 150 hours in January, the brightening skies usher in a vibrant crescendo with each passing month. As summer wanes into fall, the sunshine hours taper to 285 hours in September and continue their decline into the cooler months, but August undeniably captures the essence of summer's golden glow, inviting outdoor enthusiasts to revel in the warmth and brilliance of the season before autumn's embrace.

Monthly Sunshine Duration in New Castle: August Highlighted

The August sunshine duration represents the total number of hours New Castle 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.
JanFebMarAprMayJunJulAugSepOctNovDec150h183h256h245h295h330h335h337h285h221h193h176h
Data source: New Castle August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in New Castle During August

In New Castle, the likelihood of sunny weather sees a notable shift as summer progresses toward August. With a 32% chance of sunshine, August mirrors its predecessor July, both being the months with the lowest probabilities of bright days. This dip in sunshine contrasts sharply with the earlier months, particularly March, which boasts a 61% chance. Notably, as the year transitions into autumn, the odds of sunny weather gradually improve again, peaking in November at 54%. Thus, while August may not offer the sunniest skies, it sets the stage for the brighter days waiting just around the corner.

Percentage of Sunny Days in August in New Castle

The chart illustrates the percentage of sunny days in New Castle 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 New Castle experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%35%61%40%38%40%32%32%44%38%54%32%
Data source: New Castle August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in New Castle in August

In New Castle, United States, August marks the gentle transition towards shorter days, with an average daylight duration of 13 hours. Following the peak brilliance of June and July, which boast a generous 15 and 14 hours of daylight respectively, August serves as a prelude to the gradual decline in sunlight. The month encapsulates the lingering warmth of summer while hinting at the upcoming shift into autumn. As daylight hours begin to dwindle, it's a reminder of the cyclical nature of the seasons, where longer days give way to cozy fall evenings. After August, the daylight continues to decrease, tapering off to 12 hours in September and further down to 10 hours by October, illustrating the rhythmic ebb and flow of light throughout the year.

Average Daylight Hours in New Castle for August

The chart illustrates the variation in daylight duration in New Castle throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 23m10h 31m11h 57m13h 26m14h 40m15h 18m14h 57m13h 51m12h 26m10h 58m9h 41m9h 2m
Data source: New Castle daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in New Castle

In New Castle, the August winds whisper a gentle tune, with an average speed dipping to 3.3 m/s (7 mph), making it the calmest month for breezes in the year. This decrease follows a gradual decline from the more robust gusts of earlier months, peaking at 5.2 m/s (12 mph) in March. As summer progresses, the winds soften, contrasting the lively spring gales. Notably, the trend reveals a consistent ebb in wind strength during the warmer months, suggesting that the hottest days bring a tranquil atmosphere before autumn arrives, reinvigorating the breezes with speeds that climb back up in the fall months. Overall, August encapsulates a serene stillness in New Castle’s seasonal rhythm, inviting residents to bask in the gentle embrace of summer's calm.

Average August Wind Speed in New Castle

The chart displays monthly wind speed patterns in New Castle, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.74.75.24.44.24.13.53.3 m/s3.94.44.64.6
Data source: New Castle August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in New Castle Compares to Other Months

The weather in New Castle 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 New Castle and find detailed weather information for every month.

August and January present stark contrasts in weather conditions. In August, temperatures range from a mild 13°C (55°F) to a warm maximum of 31°C (88°F), accompanied by an average temperature of 22°C (71°F). The month experiences a moderate level of precipitation, totaling 71 mm (2.8 in) over about 9 days, with humidity levels at a comfortable 66%. In contrast, January temperatures plunge significantly, with a minimum of -19°C (-2°F) and an average of -1°C (30°F), reaching a maximum of only 17°C (64°F). This month sees slightly more precipitation at 79 mm (3.1 in) across 8 days, coupled with a much higher humidity of 86%. For a further comparison, you can check New Castle weather in January.

August and February present starkly contrasting weather patterns. August typically enjoys milder temperatures, with averages around 22°C (71°F) and a maximum of 31°C (88°F), accompanied by relatively low precipitation of 71 mm (2.8 in) over 9 days. In contrast, February experiences frigid conditions, with average temperatures hovering around 0°C (32°F) and nighttime lows plunging to -16°C (4°F). Precipitation is slightly higher at 98 mm (3.9 in) over 11 days, combined with a higher humidity level of 84%. For those looking to explore winter conditions, more information can be found at New Castle weather in February.

August and March display strikingly different weather patterns. In August, temperatures range from a mild 13°C (55°F) at night to a warm 31°C (88°F) during the day, with an average of 22°C (71°F). The month sees about 71 mm (2.8 in) of precipitation spread over 9 days, accompanied by a moderate humidity level of 66%. In contrast, March experiences a much colder climate, with temperatures dipping as low as -14°C (8°F) and peaking at 17°C (63°F), resulting in an average of only 2°C (36°F). Precipitation in March is slightly higher at 94 mm (3.7 in), occurring over 10 days, while humidity rises to 82%. For a deeper look into March weather patterns, you can visit New Castle weather in March.

When comparing the weather in August and April, notable differences emerge. August is generally warmer, with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 31°C (88°F), while April experiences a more brisk climate, with temperatures ranging from a chilly -2°C (29°F) to a maximum of 24°C (76°F). Despite August's warmer temperatures, it also has a higher humidity of 66% compared to April's 80%, which adds to the overall perception of warmth. Precipitation patterns differ as well; April records more rainfall at 143 mm (5.6 in) over 13 days, whereas August sees only 71 mm (2.8 in) across 9 days. For more details on April’s weather, you can check out the New Castle weather in April.

August weather is generally warmer than May, with average temperatures reaching 22°C (71°F) compared to May's cooler average of 13°C (55°F). While August enjoys higher maximum temperatures of up to 31°C (88°F), May’s temperatures peak at 27°C (82°F). Precipitation is slightly lower in August at 71 mm (2.8 in) over nine days, whereas May experiences a bit more rain at 83 mm (3.3 in) across eleven days. Humidity levels are also comparable, with August at 66% and May slightly higher at 72%. For a detailed look at May's weather patterns, check out New Castle weather in May.

When comparing the weather in August to June, we see notable differences in temperature and humidity. August tends to be warmer, with average temperatures reaching around 22°C (71°F), while June has a cooler average of 18°C (65°F). The maximum temperature in August can climb to 31°C (88°F), compared to June's peak of 30°C (86°F). Precipitation in June is slightly higher, with 88 mm (3.5 in) over 10 days, whereas August receives 71 mm (2.8 in) over 9 days. Moreover, humidity levels are a bit lower in August at 66%, compared to June's 72%. For a detailed look at June's weather patterns, check out New Castle weather in June.

In comparison to July, August experiences slightly more stable weather patterns with similar temperature ranges, seeing minimums around 13°C (55°F), averages of 22°C (71°F), and maximums reaching up to 31°C (88°F). However, August tends to be drier, with only 71 mm (2.8 in) of precipitation over 9 days, compared to July's 123 mm (4.8 in) over 12 days, leading to a decrease in humidity from 67% in July to 66% in August. This shift results in a more comfortable outdoor experience in August, making it an ideal time for various activities. For a comprehensive look at July's weather, you can visit New Castle weather in July.

August typically offers warmer temperatures, with an average of 22°C (71°F) and a maximum reaching up to 31°C (88°F). In contrast, September sees a noticeable drop, with averages around 18°C (65°F) and minimum temperatures dipping to 7°C (46°F). While August has slightly lower precipitation at 71 mm (2.8 in) over 9 days, September experiences a bit more rain with 78 mm (3.1 in) over 8 days, along with a slight increase in humidity at 71%. For more details, you can check New Castle weather in September.

In comparing the weather of August and October, we see significant differences in temperature and precipitation. August boasts warmer temperatures with a minimum of 13°C, an average of 22°C, and a maximum of 31°C, while October's temperatures drop considerably, featuring a minimum of 1°C, an average of 13°C, and a maximum of 25°C. Additionally, October experiences higher precipitation levels, with 142 mm over 11 days, compared to August's 71 mm over 9 days. Humidity also increases from 66% in August to 78% in October, making the latter month feel much cooler and wetter. For more specifics, you can check out New Castle weather in October.

August and November showcase stark contrasts in weather. In August, temperatures range from a mild 13°C (55°F) at night to a warm 31°C (88°F) during the day, accompanied by an average of 22°C (71°F). The month sees about 71 mm (2.8 in) of precipitation spread over 9 days, with humidity hovering at 66%. In contrast, November experiences colder temperatures, with a minimum of -12°C (11°F) and an average temperature of just 6°C (43°F). Although the maximum temperature can reach 20°C (69°F), the month is characterized by increased precipitation of 108 mm (4.3 in) over 11 days, alongside a higher humidity level of 84%. For a closer look at weather conditions in November, check out New Castle weather in November.

August and December present strikingly contrasting weather conditions. In August, temperatures are warm, ranging from a minimum of 13°C (55°F) to a maximum of 31°C (88°F), with an average of 22°C (71°F). The month experiences moderate humidity at 66% and has around 71 mm (2.8 in) of precipitation over nine days. In contrast, December drops temperatures significantly, with a chilling minimum of -19°C (-1°F) and an average temperature of just 1°C (34°F), peaking at 15°C (59°F). This month is more humid at 81% and sees higher precipitation, totaling 133 mm (5.2 in) over ten days. For more details about the weather in December, you can check New Castle weather in December.

Compare New Castle's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in New Castle

In August, New Castle experiences a delightful warm spell, setting itself apart from the cooler months with an average temperature that allows for comfortable outdoor activities and summer fun. With humidity hovering at a moderate level, the weather remains inviting despite occasional rain, which tends to liven up the landscape. While the month's rainfall may add a refreshing touch, it is significantly lower than the wetter seasons, making it ideal for enjoying the natural beauty of the area. For a deeper look into how August compares to other months, visit New Castle Climate.