Last updated: March 17, 2025
August in Harrow on the Hill presents a vibrant blend of summer warmth and occasional rainfall. With maximum temperatures soaring to 34°C (93°F) and an average of 18°C (64°F), the month is marked by pleasant days perfect for outdoor activities. However, evenings can be cool with minimum temperatures dropping to 8°C (47°F). Frequent rainfall, totaling 70 mm (2.7 in) across 12 days, combines with high humidity levels of 76%, creating a lush environment. This mix of weather patterns offers both challenges and delights for those exploring the beauty of Harrow during this time.
In Harrow on the Hill, August marks a delightful peak in the summer temperatures, showcasing a comfortable average of 18°C (64°F). With minimums hovering around 8°C (47°F) and maximums reaching a warm 34°C (93°F), this month stands out as one of the hottest of the year. Transitioning from the mild early summer, August invites residents and visitors alike to bask in the sun, often experiencing the last of the season's warmth before autumn ushers in cooler days. Notably, the temperature range reveals a consistent upward trend from the previous months, reflecting the gradual warming that July initiates. As the days grow longer and sunnier, August presents a vibrant atmosphere perfect for outdoor activities and enjoying the natural beauty of this charming locale.
August in Harrow on the Hill sees an average precipitation of 70 mm (2.7 in), marking it as a month of relatively frequent rainfall with 12 days experiencing showers. This level of precipitation follows a consistent upward trend observed since June, where rainfall peaked at 77 mm (3.0 in). Compared to the drier months of April and May, August provides a refreshing shift as the summer gradually fades. As the season transitions into September, the precipitation amount dips to 45 mm (1.8 in), indicating a return to lighter rains. This pattern suggests that while August retains the warmth of summer, it also prepares for the wetter, cooler months ahead.
August in Harrow on the Hill brings a modest increase in humidity compared to the preceding month, settling at 76%. This slight rise follows a trend of decreasing humidity from the wetter winter months of January through April, where levels hovered above 85%. As summer progresses, July's humidity dips to a comfortable 71%, but August signals a return to some moisture in the air as the region transitions into late summer. With humidity levels continuing to ebb and flow, the onset of autumn in September will see a resurgence back to 82%, reminding residents that humidity is a defining characteristic of Harrow's weather cycle.
As summer peaks in August, Harrow on the Hill experiences a UV Index of 7, indicating a high level of sun exposure risk with a burn time of just 25 minutes. Following the trend set in July, where the UV Index also reached its highest point at 8, August's reading signifies a slight decrease yet still necessitates caution. The data from earlier months shows a steady rise from moderate levels in March and April to the very high indices of June and July, reflecting the arrival of warmer weather. As you enjoy the remaining days of summer, it's essential to stay sun-safe, especially during this high exposure period. For more detailed insights, visit the Harrow on the Hill UV Index.
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August in Harrow on the Hill offers a delightful continuation of summer with 368 hours of sunshine, making it one of the brightest months of the year. Following a peak in July, where the sun graced the area for 404 hours, August sees a slight decline yet remains robust compared to the earlier months. The transition from the sun-drenched days of late spring and early summer, such as 398 hours in May, underscores a vibrant seasonal trend that keeps the charm of summer alive. As the year evolves, the gradual reduction in sunshine hours from August into September, with 300 hours, signals the impending arrival of autumn, inviting a cozy shift in the landscape and atmosphere.
August in Harrow on the Hill offers a 25% chance of sunny weather, a figure that mirrors the somewhat unpredictable nature of summer in the UK. This time of year typically boasts warmer temperatures, yet the likelihood of sunshine lags behind the more promising months of April (49%) and May (33%). Interestingly, the summer months, while higher in temperature, showcase a decline in sunshine hours, with July peaking at 38%, only to drop again in August. As we transition toward autumn, the chances for sunny days begin to stabilize, highlighting the whimsical relationship between weather and the seasonal shifts. Thus, while sun-seekers might find August a bit lackluster compared to its earlier summer counterparts, it still holds its share of pleasant moments.
As August unfolds in Harrow on the Hill, daylight begins to wane from the sun-drenched peaks of summer, yet it still gifts an impressive 14 hours of daylight. This follows the longest days of June and July, where the sun graced the skies for a remarkable 16 hours. The gradual decrease in daylight hours suggests a transition towards autumn, with May and April marking the onset of longer evenings. As the month progresses and September approaches, daylight will continue to diminish, leading to the shortening days associated with the fall season. The dance of light and dark paints a vibrant picture of the year, highlighting the fleeting brilliance of summer as it gently nudges into the cooler months.
In Harrow on the Hill, August brings a gentle change in the breeze, with an average wind speed of 3.8 m/s (8 mph), slightly picking up from the calmer months of June (3.1 m/s) and July (3.3 m/s). This month typically serves as a transition, where the winds remain milder than the more blustery fall days to come. Notably, this gentle August wind is part of a gradual decline throughout the summer, as the average speeds peak in February (4.7 m/s) and maintain a range of 4.2 to 4.4 m/s during the brisker winter months. As summer fades, August's winds invite a serene closeness to nature, setting the stage for the invigorating change of seasons ahead.
The weather in Harrow on the Hill 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 Harrow on the Hill and find detailed weather information for every month.
August and January present starkly contrasting weather conditions. In August, temperatures range from a chilly 8°C (47°F) at night to a warm 34°C (93°F) during the day, with an average of 18°C (64°F). This month experiences about 70 mm (2.7 in) of precipitation over 12 days, contributing to a relative humidity of 76%. Conversely, January feels much colder, with temperatures dipping as low as -5°C (24°F) and peaking at only 14°C (58°F), averaging around 5°C (41°F). Rainfall decreases to 54 mm (2.1 in) over 10 days, but the humidity rises to 91%, making the air feel quite damp. For a closer look at January conditions, you can visit Harrow on the Hill weather in January.
August and February present stark contrasts in weather. In August, temperatures range from a mild 8°C (47°F) at night to a scorching 34°C (93°F) during the day, with an average temperature of 18°C (64°F). The month experiences around 70 mm (2.7 in) of rainfall over 12 days, and humidity hovers at a comfortable 76%. In contrast, February is much cooler, with nighttime lows dropping to -5°C (23°F) and a maximum of 18°C (65°F), averaging just 6°C (43°F). While it sees slightly less precipitation at 53 mm (2.1 in) over 11 days, it feels much wetter due to higher humidity levels at 89%. For more specific insights about February weather, you can check out Harrow on the Hill weather in February.
August and March present quite a contrast in weather patterns. In August, temperatures range from a low of 8°C (47°F) to a high of 34°C (93°F), providing a warm average of 18°C (64°F). This month experiences about 70 mm (2.7 in) of rainfall over approximately 12 days, with humidity levels around 76%. In stark contrast, March sees significantly cooler temperatures, with lows dipping to -5°C (23°F) and highs reaching up to 22°C (71°F), resulting in an average of just 7°C (46°F). Although March has slightly less precipitation—54 mm (2.1 in) over 13 days—the humidity is higher at 86%. For a deeper look at March weather specifics, check out Harrow on the Hill weather in March.
When comparing the weather in April and August, there's a notable shift in temperature and humidity. In August, temperatures range from a pleasant 18°C (64°F) to a scorching 34°C (93°F), while April offers cooler conditions with temperatures fluctuating between -2°C (29°F) and 26°C (80°F). Additionally, April experiences higher humidity at 85%, compared to August's 76%, which can make the cooler temperatures feel more frigid. Precipitation is also more prevalent in August, averaging 70 mm over 12 days, whereas April sees just 33 mm across 8 days. For a more detailed look, check out Harrow on the Hill weather in April.
In comparing the weather between August and May, August typically offers a broader temperature range, with minimums of 8°C (47°F) and maximums soaring to 34°C (93°F), while May sees cooler temperatures, ranging from 1°C (35°F) at night to a warm 25°C (78°F) during the day. Precipitation levels are slightly higher in August, with about 70 mm (2.7 in) over 12 days, compared to May's 62 mm (2.5 in) over 11 days. Although August is generally more humid at 76%, May maintains a close humidity level of 79%. For a more detailed look at temperatures and conditions during this month, you can check Harrow on the Hill weather in May.
In comparing the weather between June and August, it is apparent that August tends to be warmer, with average temperatures reaching 18°C (64°F) compared to June's 16°C (62°F). The maximum temperatures in August can soar to 34°C (93°F), while June peaks at a lower 31°C (89°F). However, August experiences slightly less precipitation, totaling 70 mm (2.7 in) over 12 days, compared to June's 77 mm (3.0 in) over 9 days. Humidity levels are also high in both months, with August at 76% and June at 80%. For more detailed insights, you can refer to Harrow on the Hill weather in June.
In comparing the weather of August and July, it's evident that both months have similar average temperatures, with August showing a slight decrease in minimum temperature at 8°C compared to July's 9°C. August also features a slightly cooler maximum temperature of 34°C, while July peaked at 36°C. Precipitation levels are comparable as well, with August experiencing 70 mm over 12 days, slightly more than July's 64 mm across 11 days. Moreover, humidity is higher in August at 76%, compared to July's 71%. For more details on July's weather patterns, you can refer to Harrow on the Hill weather in July.
August and September present a noticeable shift in weather patterns. August features warmer temperatures with a minimum of 8°C, an average of 18°C, and a maximum of 34°C, making it the hotter of the two months. In contrast, September sees temperatures drop, with a minimum of 4°C, an average of 15°C, and a maximum of 28°C. Precipitation is also less frequent in September, totaling 45 mm over 10 days compared to August's 70 mm over 12 days. Additionally, September's humidity increases slightly to 82%, in comparison to August's 76%. For a detailed look at what to expect, check out Harrow on the Hill weather in September.
August typically experiences a much warmer climate compared to October, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 34°C (93°F). In contrast, October's temperatures drop significantly, with averages between 1°C (34°F) and 22°C (73°F). Despite both months having a similar number of rainy days at 12, October sees a slight increase in total precipitation at 84 mm (3.3 in), leading to a notably higher humidity level of 90%, compared to August's 76%. For more detailed information, you can check out Harrow on the Hill weather in October.
The weather in August is typically warmer and more variable, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 34°C (93°F) and an average of 18°C (64°F). In contrast, November brings much cooler temperatures, with a range from -2°C (29°F) to a maximum of 16°C (62°F) and an average of 8°C (47°F). Additionally, August experiences higher humidity at 76% and more precipitation over 12 days, totaling 70 mm (2.7 in), compared to November's 52 mm (2.0 in) and 11 days of rain. The stark shift from summer warmth to the chill of late autumn is quite pronounced when comparing the two months. For more specific weather details, you can check Harrow on the Hill weather in November.
August and December present contrasting weather conditions. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 34°C (93°F), with an average of 18°C (64°F) and relatively lower humidity at 76%. The month experiences around 70 mm (2.7 in) of precipitation over 12 days. In contrast, December features much cooler temperatures, with highs peaking at 14°C (58°F) and lows dropping to -4°C (24°F), averaging only 6°C (44°F). Additionally, December sees increased humidity at 92% and more precipitation, totaling 84 mm (3.3 in) over 13 days. For more detailed information about December weather, visit Harrow on the Hill weather in December.
In August, Harrow on the Hill experiences a notable shift in weather patterns, characterized by a blend of warmth and humidity that stands out from other months. While the maximum temperatures can soar to a sweltering 34°C, the mild average of 18°C keeps the atmosphere pleasantly temperate. This month is marked by an increase in precipitation, with around 12 days of rain contributing to a total of 70 mm, which is a bit more frequent compared to the drier summer months. The elevated humidity levels add a certain stickiness to the air, making it a unique part of the year in this charming locale. For a more detailed understanding of the climate throughout the year, visit Harrow on the Hill Climate.