Last updated: March 17, 2025
October in Harrow on the Hill offers a dynamic weather experience, with temperatures ranging from a brisk 1°C (34°F) to a comfortable 22°C (73°F). The average temperature settles at a cool 12°C (54°F), setting the tone for the season. With 84 mm (3.3 in) of rainfall spread across 12 days, residents and visitors should expect a fair share of drizzly days. The air is notably humid, hovering around 90%, creating that classic autumnal atmosphere. Whether you're exploring the vibrant autumn foliage or enjoying cozy indoor activities, this month presents a quintessential taste of fall in the United Kingdom.
In October, Harrow on the Hill begins to feel the cool embrace of autumn, with temperatures gradually transitioning from the lingering warmth of summer. The month welcomes a crisp minimum of 1°C (34°F), while the average temperature settles at a comfortable 12°C (54°F), providing a gentle autumnal charm. Daytime highs reach a pleasant 22°C (73°F), perfect for enjoying the vibrant fall foliage. This trend reflects a notable drop from the previous months, indicating a shift away from the highs of August and September, where temperatures often soared above 30°C (86°F). As daylight diminishes and the air turns fresher, October encapsulates the essence of fall, inviting residents and visitors alike to relish in its seasonal beauty.
In October, Harrow on the Hill experiences a notable spike in precipitation, with 84 mm (3.3 in) of rain falling over 12 days. This marked increase sets October apart, as it features the highest total rainfall for the year, aligning with a transition from the drier months of summer to the wetter conditions typical of autumn. Consequently, after relatively moderate rainfall in September at 45 mm (1.8 in), residents find themselves in a noticeably more soggy landscape. The consistent pattern of increased rainfall in October hints at a seasonal shift, paving the way for the winter months ahead, which also see similar high totals of precipitation in December. This combination underscores the importance of having an umbrella handy as the vibrant hues of autumn foliage envelop the region.
In October, Harrow on the Hill experiences a resurgence in humidity, reaching 90%, which is notably higher than the earlier months of the year, particularly following the relatively drier summer months. This spike hints at the onset of autumn, as the air becomes notably fresher and carries more moisture. Interestingly, this month sits closely behind January and November, both of which also showcase high humidity levels, illustrating a trend where the colder months tend to present a thicker, more humid atmosphere. As the year transitions, one can feel the shift in the air, offering a crispness that heralds the changing seasons.
In October, Harrow on the Hill experiences a moderate UV Index of 4, suggesting that while the sun's rays are not as intense as during the peak summer months, sun protection is still advisable for extended outdoor activities. This is a slight decrease from September's high UV Index of 6, reflecting the transition into autumn, but it remains consistent with the moderate levels noted in March and April. As temperatures cool and daylight hours shorten, the burn time is approximately 30 minutes, making it important for residents to adjust their sun safety practices accordingly. For more detailed information, check out the Harrow on the Hill UV Index.
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October in Harrow on the Hill brings a delightful 241 hours of sunshine, a fitting transition into the autumn months. While this figure shows a notable drop from the sun-soaked heights of summer, particularly July's impressive 404 hours, it still stands as a significant improvement compared to the chilly start of the year with just 98 hours in January. As the days shorten and the vibrant foliage begins to transform the landscape, October’s sunshine serves as a gentle reminder of the warmth that preceded it. Overall, this month's sunny hours reflect a trend of decreasing daylight as the year progresses, yet it remains a charmingly bright spot in the autumn calendar.
October in Harrow on the Hill brings a shade of uncertainty when it comes to sunny weather, with a 25% chance of sunshine. This likelihood reflects a slight dip compared to the spring months, where April reaches 49%, suggesting that as the year progresses into the cooler fall, the days become less luminous. Interestingly, October's sun chance aligns more closely with late summer months like August and September, which hover around 25% and 29%, respectively. As autumn settles in, residents should prepare for a mix of crisp air and cloudy skies, reminding us that while the probability is modest, a surprise sunny day is always a welcome treat.
As autumn settles in Harrow on the Hill, October brings a gentle decline in daylight, offering about 10 hours of sunlight each day. This marks a noticeable shift from the longer, sunlit days of summer, where residents enjoyed up to 16 hours of daylight in June and July. The transition from September, with 12 hours of daylight, sets the stage for the shorter days ahead as the year progresses into the darker months of November and December, each providing only 8 and 7 hours respectively. As nature prepares for winter, October's moderate daylight encourages cozy gatherings and the embrace of seasonal changes, reminding us to savor the beautiful, crisp days of fall.
As October sweeps into Harrow on the Hill, the average wind speed picks up to 4.4 m/s (10 mph), mirroring the briskness often felt at the season's shift. This uptick signals a return to the winds typical of late autumn, as it aligns with higher speeds recorded in both January and December. In contrast, the milder summer months, particularly June and July, experience gentler breezes averaging around 3.1 m/s (7 mph). Following September’s softer winds, October's gusts invigorate the landscape, setting the scene for vibrant fall foliage and the unmistakable chill that hints at the coming winter. Overall, this pattern underscores October as a transitional month, where autumn’s essence is felt in every refreshing whisper of the wind.
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 October'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.
In October, the weather features a mild temperature range with a minimum of 1°C (34°F) and an average of 12°C (54°F), peaking at a comfortable 22°C (73°F). The month experiences relatively high humidity at 90% and sees 84 mm (3.3 in) of precipitation over approximately 12 days. In contrast, January brings colder conditions, with temperatures dropping to a minimum of -5°C (24°F) and averaging around 5°C (41°F), while the maximum temperature reaches only 14°C (58°F). Although January has a lower total precipitation of 54 mm (2.1 in) spread over about 10 days, the humidity remains quite high at 91%. For more detailed insights, visit Harrow on the Hill weather in January.
In comparing the weather between October and February, we see notable differences in temperature and precipitation patterns. October presents a milder climate, with average temperatures ranging from a low of 1°C (34°F) to a comfortable high of 22°C (73°F), accompanied by 84 mm (3.3 in) of precipitation over 12 days and relatively high humidity levels at 90%. In contrast, February is considerably colder, featuring average temperatures from -5°C (23°F) to a maximum of 18°C (65°F), with less precipitation at 53 mm (2.1 in) across 11 days, and slightly lower humidity at 89%. For more detailed insights, you can explore the weather data specific to this time, such as Harrow on the Hill weather in February.
In comparing the weather of October and March, we see notable differences in both temperature and precipitation. October boasts a milder average temperature of 12°C (54°F), with maximums reaching up to 22°C (73°F) and minimums not dropping below 1°C (34°F). In contrast, March presents a chillier landscape, with an average temperature of 7°C (46°F) and minimums dipping as low as -5°C (23°F), while still achieving similar maximums of 22°C (71°F).
Precipitation in October is also higher, totaling 84 mm (3.3 in) over 12 days, compared to March's 54 mm (2.1 in) across 13 days, suggesting October is typically wetter. Despite October's higher humidity at 90%, March remains relatively humid at 86%. For a closer look at specific conditions in March, you can check out this link: Harrow on the Hill weather in March.
When comparing the weather in October and April, one can observe notable differences in temperature and precipitation. October experiences a wider temperature range, with minimums around 1°C (34°F) and maximums of 22°C (73°F), while April tends to be cooler, with temperatures ranging from -2°C (29°F) to a maximum of 26°C (80°F). Although October is generally warmer than April, it is also wetter, experiencing 84 mm (3.3 in) of precipitation over 12 days compared to April's 33 mm (1.3 in) over just 8 days. Humidity levels are fairly similar, with October at 90% and April at 85%. For more details on April weather specifically, feel free to visit Harrow on the Hill weather in April.
When comparing the weather in October and May, it's clear that both months exhibit mild temperatures, but there are some notable differences. In October, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 22°C (73°F), with an average of 12°C (54°F). This month also sees higher precipitation levels, with around 84 mm (3.3 in) spread over 12 days, contributing to a humidity level of 90%. In contrast, May experiences slightly warmer conditions with temperatures that range from a minimum of 1°C (35°F) to a maximum of 25°C (78°F), averaging at 13°C (55°F). The precipitation in May is less, totaling 62 mm (2.5 in) over 11 days, and humidity is lower at 79%. For more detailed weather insights, you can refer to Harrow on the Hill weather in May.
October and June present contrasting weather patterns, showcasing the transition from warmer to cooler months. In June, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (89°F), with an average of 16°C (62°F), reflecting a warm and pleasant climate. Precipitation is relatively low at 77 mm (3.0 in) over 9 days, and humidity averages around 80%. In contrast, October brings cooler temperatures, with a minimum of 1°C (34°F), an average of 12°C (54°F), and a maximum of 22°C (73°F). The month sees more rainfall at 84 mm (3.3 in) spread over 12 days, along with a higher humidity level of 90%. For those looking to compare specific conditions, more details can be found here: Harrow on the Hill weather in June.
When comparing the weather in October and July, notable differences emerge. October experiences a cooler atmosphere with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 22°C (73°F), alongside higher humidity levels at 90%. Precipitation is more frequent during this month, with 84 mm (3.3 in) spread over 12 days. In contrast, July showcases warmer conditions with temperatures fluctuating from a minimum of 9°C (49°F) to a maximum of 36°C (96°F). This month also enjoys lower humidity at 71% and less rainfall, totaling 64 mm (2.5 in) over 11 days. For more detailed insights, you can visit Harrow on the Hill weather in July.
In comparing the weather between October and August, a notable difference in temperature can be observed. October experiences a cooler range, with minimum temperatures dropping to 1°C (34°F) and average highs of only 22°C (73°F), while August boasts warmer conditions with lows of 8°C (47°F) and maximum temperatures reaching up to 34°C (93°F). Additionally, October tends to be wetter, receiving 84 mm (3.3 in) of precipitation over 12 days, compared to August's 70 mm (2.7 in) during the same number of days. The humidity in October is also significantly higher at 90%, compared to 76% in August. For those interested in more specifics about August's weather, you can check Harrow on the Hill weather in August.
October experiences cooler temperatures compared to September, with minimums dropping from 4°C (39°F) to 1°C (34°F) and average highs decreasing from 28°C (83°F) to 22°C (73°F). While September is generally warmer, it also sees less precipitation, with only 45 mm (1.8 in) compared to October's 84 mm (3.3 in), and fewer rainy days (10 days in September versus 12 days in October). Humidity levels rise slightly in October, reaching 90% compared to September’s 82%. For a closer look at September weather specifics, check out Harrow on the Hill weather in September.
October and November present contrasting yet gradually changing weather patterns. In October, temperatures range from a mild 1°C (34°F) at night to a pleasant 22°C (73°F) during the day, with an average temperature of 12°C (54°F). Rainfall is more frequent, with a total precipitation of 84 mm (3.3 in) over 12 days, and humidity levels remain high at 90%. Conversely, November ushers in cooler weather, with temperatures dropping to a minimum of -2°C (29°F) and a maximum of 16°C (62°F), averaging 8°C (47°F). Precipitation decreases to 52 mm (2.0 in) over 11 days, but humidity slightly increases to 92%. For more insights on the weather during this time, you can check Harrow on the Hill weather in November.
In October, the weather is mild with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 22°C (73°F), while December brings cooler temperatures, with averages between -4°C (24°F) and 14°C (58°F). Both months experience similar precipitation levels, around 84 mm (3.3 in), but December tends to be slightly wetter, with precipitation occurring over 13 days compared to October's 12 days. Additionally, humidity is higher in December at 92%, compared to October's 90%. For more detailed information about December's weather in this area, you can refer to Harrow on the Hill weather in December.
October in Harrow on the Hill brings a refreshing transition into autumn, marked by cooler temperatures and increased precipitation compared to the summer months. As the average temperature dips to a comfortable range, the crisp air is complemented by a noticeable rise in humidity, enveloping the region in a mysterious morning mist. With approximately half of the month experiencing rain, October’s wet days create a vibrant canvas for the autumn foliage. Overall, this month delivers a rich tapestry of weather, inviting both locals and visitors to embrace the seasonal changes. For a deeper insight into the usual climate patterns, explore the Harrow on the Hill Climate.