August Weather in Newcastle, Ireland

Last updated: March 17, 2025

Experience the charming climate of Newcastle, Ireland, in August, where temperatures range from a pleasant maximum of 24°C (75°F) to a cool minimum of 6°C (43°F), with an average of 15°C (60°F). This month sees 94 mm (3.7 in) of rainfall spread across 17 days, creating a lush, vibrant landscape. Embrace the 85% humidity that contributes to the fresh, invigorating air, making it an ideal time for exploration and enjoyment of the stunning coastal scenery. Whether you're soaking up the sun or wandering through the picturesque town, August in Newcastle is sure to captivate your senses.

August Temperature in Newcastle

In August, temperatures in Newcastle, Ireland, continue the summer trend with a noticeable warmth, presenting a minimum of 6°C (43°F) and peaking at a comfortable 24°C (75°F). This month boasts an average temperature of 15°C (60°F), reflecting a pleasant shift from the cooler months earlier in the year. As August progresses, the weather remains inviting, encouraging outdoor activities and exploration. While the evenings may cool down, this late summer warmth allows residents and visitors alike to enjoy the beauty of the Irish landscape, paving the way to the gentle transition into autumn as temperatures begin to drop in the following months.

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

The chart illustrates August temperature patterns in Newcastle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414344475257615956514543
Data source: Temperature data for Newcastle 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 Newcastle

August in Newcastle, Ireland, stands out as the wettest month of the year, with a substantial precipitation total of 94 mm (3.7 in) recorded across 17 rainy days. This trend marks a noticeable increase from the drier summer months, as July, which experienced 77 mm (3.0 in) of rain over 13 days, gives way to a more robust August. Following a generally consistent pattern throughout the year, where precipitation begins to rise in late spring and peaks in late summer, August’s rainfall signals the transition towards autumn. This uptick in precipitation sets the stage for the wetter fall months ahead, with September and October also showcasing significant rainfall, ensuring Newcastle's lush landscapes remain vibrant and green.

August Precipitation Trends in Newcastle

The chart displays monthly precipitation patterns in Newcastle, 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.
JanFebMarAprMayJunJulAugSepOctNovDec557981517273789468828890
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Newcastle

August in Newcastle, Ireland, maintains a steady humidity level of 85%, continuing the trend observed throughout the summer months. The area experiences a consistent range of humidity from 83% in May to 86% in July, creating a notably moist atmosphere that characterizes its coastal climate. As the year transitions into autumn, humidity levels rise slightly again in September, reaching 86%, which aligns with the trend of increasing humidity from late summer into autumn. Overall, the humidity in Newcastle remains relatively high year-round, oscillating between 83% and 87%, ensuring that the area retains its lush landscape and rich natural beauty.

August Average Humidity in Newcastle

This chart illustrates the average monthly humidity levels in Newcastle, 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%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Newcastle

In August, the UV Index in Newcastle, Ireland, stands at a high level of 7, indicating a significant potential for skin damage with prolonged sun exposure. This is a slight decrease from the previous months of June and July, both registering a very high index of 8. As summer peaks, residents and visitors can enjoy the outdoors with a burn time of 25 minutes before seeking shade or applying sunscreen. Overall, the trend shows that while August retains a high UV index, it signals the gradual transition towards autumn, reminding us to stay vigilant about sun safety even as the seasons change. For more information, check out the detailed Newcastle UV Index.

Maximum UV Index Levels in Newcastle for August

The chart shows the monthly maximum UV Index (UVI) for Newcastle 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Newcastle 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 Newcastle

In August, Newcastle, Ireland enjoys a vibrant tapestry of sunshine, with 339 hours illuminating the month. This peak follows the sun-kissed July, which matches June at 385 hours of sunlight, showcasing a summer brimming with warmth. As the year progresses, daylight begins to wane, with September dipping to 294 hours, hinting at the approaching autumn. Interestingly, the year starts off slowly, with January only providing 83 hours of sunshine, gradually ramping up through the spring months. The notes of sunny progression reflect a delightful journey through the seasons in this picturesque coastal town, where the summer's glow brilliantly sets the stage for the fall's gentle embrace.

Monthly Sunshine Duration in Newcastle: August Highlighted

The August sunshine duration represents the total number of hours Newcastle 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.
JanFebMarAprMayJunJulAugSepOctNovDec83h147h191h311h391h385h385h339h294h230h120h95h
Data source: Newcastle August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Newcastle During August

In August, the likelihood of sunny weather in Newcastle, Ireland, stands at 24%, marking a continuation of the somewhat modest trend observed throughout the summer months. Following July’s 29% chance, August shows a slight decrease, reflecting the typical variability of weather patterns as the season begins to transition to autumn. Interestingly, while spring brings higher expectations with April peaking at 43%, the subsequent summer months do not consistently capitalize on this optimism. As one looks ahead, September sees a further dip to 19%, suggesting that while August may still hold its share of sunny days, the possibility begins to wane as nature shifts gears. Overall, the data hints at a blend of variability and gradual decline in sunny prospects as the seasons evolve.

Percentage of Sunny Days in August in Newcastle

The chart illustrates the percentage of sunny days in Newcastle 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 Newcastle experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%21%21%43%31%22%29%24%19%18%25%22%
Data source: Newcastle August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Newcastle in August

In August, Newcastle, Ireland enjoys a generous 14 hours of daylight, marking a slight decline from the peak of 16 hours experienced in June and July. This gradual reduction signals the transition toward autumn, as daylight starts to wane, ushering in shorter days. Following the vibrant and long summer nights, August still offers plenty of sunlight for outdoor activities and exploration, with the days becoming just a touch shorter as we approach September, which brings 12 hours of daylight. The pattern of increasing daylight from winter's end to summer's peak, followed by a gradual decrease in the latter months, beautifully illustrates the rhythmic dance of the seasons in this picturesque locale.

Average Daylight Hours in Newcastle for August

The chart illustrates the variation in daylight duration in Newcastle throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 8m9h 50m11h 54m14h 1m15h 53m16h 52m16h 21m14h 39m12h 37m10h 30m8h 36m7h 35m
Data source: Newcastle daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Newcastle

In August, the wind in Newcastle, Ireland, gently whispers with an average speed of 3.3 m/s (7 mph), offering a slight respite from the breezier months that preceded it. This moderate airflow is reminiscent of the calmer days of summer, where July boasts the lowest average wind speed at 2.6 m/s (6 mph). Following August, the winds begin to pick up again as September cools down to 3.1 m/s (7 mph), with October bringing a more dynamic shift at 4.3 m/s (10 mph). Overall, the trend reveals a rhythmic cycle where summer months experience softer winds, giving way to brisker conditions as autumn approaches, perfect for those who enjoy the soothing sound of the breeze while soaking up Newcastle’s stunning coastal scenery.

Average August Wind Speed in Newcastle

The chart displays monthly wind speed patterns in Newcastle, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.95.44.33.13.63.42.63.3 m/s3.14.34.14.3
Data source: Newcastle August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Newcastle Compares to Other Months

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

In August, temperatures in Newcastle range from a chilly 6°C (43°F) at night to a pleasant maximum of 24°C (75°F) during the day, making it the warmest month of the year. The average temperature hovers around 15°C (60°F), with a significant amount of precipitation at 94 mm (3.7 in) spread over 17 days, contributing to a humidity level of 85%. In contrast, January experiences much cooler temperatures, with a minimum of -5°C (24°F) and a maximum reaching only 13°C (56°F). The average temperature drops to 5°C (42°F), and while it sees less total rainfall at 55 mm (2.2 in), precipitation occurs over about 10 days. Interestingly, the humidity remains consistent at 85% in both months. For more detailed information on January weather, check out Newcastle weather in January.

In August, the weather in Newcastle typically features a mild range of temperatures, with a minimum of 6°C (43°F) and a comfortable average of 15°C (60°F), peaking at about 24°C (75°F). The summer month also sees relatively high humidity at 85% and experiences approximately 94 mm (3.7 in) of precipitation over 17 days. In contrast, February presents a much cooler climate, with temperatures dropping to a minimum of -3°C (27°F) and an average of 6°C (43°F), while the maximum temperature reaches only 16°C (60°F). This winter month has slightly lower precipitation at 79 mm (3.1 in) but remains humid at 86%, occurring over about 15 days. For more insights into February weather, you can check out Newcastle weather in February.

In comparing the weather of August and March, we see notable differences in temperature and conditions. August boasts a milder climate with average temperatures ranging from 6°C (43°F) to a maximum of 24°C (75°F), while March is considerably cooler, featuring averages from -6°C (22°F) to a maximum of 17°C (63°F). Precipitation levels in both months are relatively similar, with August experiencing a slight increase at 94 mm (3.7 in) over 17 days, compared to March's 81 mm (3.2 in) over 16 days. Humidity levels are also comparable, with August at 85% and March slightly higher at 86%. For more detailed insights, feel free to visit Newcastle weather in March.

When comparing the weather in April and August, notable differences emerge. August tends to be warmer, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 24°C (75°F), and an average temperature of 15°C (60°F). In contrast, April experiences cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 21°C (69°F), averaging around 8°C (47°F). Additionally, August sees more precipitation, totaling 94 mm (3.7 in) over about 17 days, whereas April has 51 mm (2.0 in) across 11 days. Despite both months exhibiting high humidity levels of 85%, the warmer and wetter conditions in August create a distinctly different atmosphere compared to the chillier and drier spells of April. For more details on April weather, you can visit Newcastle weather in April.

When comparing the weather in August to that in May, several notable differences emerge. August typically enjoys warmer temperatures, with an average of 15°C (60°F) and a maximum of 24°C (75°F), while May experiences a cooler average of 11°C (53°F), peaking at 23°C (74°F). In terms of precipitation, August sees slightly more rainfall with 94 mm (3.7 in) across 17 days, compared to May's 72 mm (2.8 in) over 13 days. Humidity levels are quite similar, with August at 85% and May slightly lower at 83%. For more details on May weather, you can check out Newcastle weather in May.

When comparing the weather in June and August, both months exhibit similar humidity levels at 85%, keeping the air feeling quite moist. However, August tends to be slightly warmer, with average temperatures reaching 15°C (60°F) compared to June's 14°C (58°F). June boasts a higher maximum temperature of 27°C (80°F), while August's maximum is at 24°C (75°F). Precipitation is more prevalent in August, totaling 94 mm (3.7 in) over 17 days, compared to June's 73 mm (2.9 in) over 14 days. For a detailed overview of June's weather, you can visit Newcastle weather in June.

In comparing the weather between July and August, we see that both months experience relatively mild temperatures, but August tends to be slightly cooler overall. In July, the minimum temperature is a bit higher at 7°C (44°F), with an average of 16°C (61°F) and a maximum of 27°C (81°F). In contrast, August's minimum temperature drops to 6°C (43°F) and has an average of 15°C (60°F), peaking at 24°C (75°F). Precipitation levels are also higher in August, with 94 mm (3.7 in) falling over 17 days compared to July’s 77 mm (3.0 in) spread over 13 days. The humidity remains fairly consistent with July at 86% and August slightly lower at 85%. For a more detailed look at July's weather, you can visit Newcastle weather in July.

In August, temperatures typically range from a cooler minimum of 6°C (43°F) to an average of 15°C (60°F) and can reach a maximum of 24°C (75°F). The month experiences significant rainfall, with a total of 94 mm (3.7 in) spread over 17 days, maintaining a high humidity level of 85%. As September arrives, the temperature slightly decreases, with minimums dropping to 2°C (35°F) and an average of 13°C (56°F), while still peaking at a warm 24°C (76°F). Precipitation also decreases in September to 68 mm (2.7 in) over 13 days, with humidity remaining relatively high at 86%. For more details on weather patterns, you can visit Newcastle weather in September.

August typically offers warmer weather compared to October, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 24°C (75°F), averaging around 15°C (60°F). In contrast, October sees cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 19°C (67°F), averaging around 10°C (51°F). Precipitation is somewhat similar, with August receiving 94 mm (3.7 in) over 17 days and October slightly lower at 82 mm (3.2 in) over 13 days. Interestingly, October also has a higher humidity level at 87% compared to August's 85%. For more details, visit Newcastle weather in October.

In August, temperatures tend to be milder, with averages around 15°C (60°F) and maximums reaching up to 24°C (75°F). In contrast, November sees a noticeable drop in temperatures, with average highs only reaching 15°C (59°F) and lows dipping to around -1°C (30°F). Both months experience a similar amount of precipitation, with August receiving 94 mm (3.7 in) over 17 days and November slightly less at 88 mm (3.5 in) over 14 days. Humidity levels remain relatively high in both months, with August at 85% and November slightly higher at 86%. For a closer look at the specific weather patterns, you can visit Newcastle weather in November.

In August, temperatures in Newcastle range markedly higher, with a minimum of 6°C (43°F), an average of 15°C (60°F), and a maximum of 24°C (75°F). The month is characterized by relatively high humidity at 85% and considerable precipitation of 94 mm (3.7 in) spread across 17 days. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -4°C (25°F) and an average of just 6°C (43°F), peaking at 13°C (56°F). Precipitation remains similar, at 90 mm (3.5 in) over 15 days, but humidity is slightly lower at 84%. For more details on the December weather, you can check Newcastle weather in December.

Compare Newcastle's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Newcastle

In August, Newcastle experiences a unique blend of summer warmth and the lingering touch of autumn. With daytime temperatures reaching a pleasant 24°C (75°F), it's notably warmer than the chillier months, though you'll find that the average of 15°C (60°F) still keeps things comfortable. However, the higher humidity at 85% and more frequent rain, with 17 days of precipitation totaling 94 mm (3.7 in), mark a shift towards the wetter weather typical of the approaching fall. This combination creates a distinctive weather pattern that is quite different from the drier and more stable conditions experienced earlier in the summer. For a deeper understanding of how these patterns manifest throughout the year, visit Newcastle Climate.