Last updated: August 27, 2025
In Haarlem, Netherlands, October showcases a blend of crisp coolness and vibrant autumnal charm. With maximum temperatures reaching 23°C (74°F), the month offers a pleasant contrast to the average of 13°C (55°F). However, mornings can be brisk, dipping to a minimum of 4°C (40°F). Rainy days are common, as the city experiences about 115 mm (4.5 in) of precipitation spread over 17 days, contributing to the region's lush landscapes. With humidity levels around 86%, October provides a refreshing atmosphere ideal for enjoying Haarlem's rich history and picturesque scenery.
In October, Haarlem experiences a gentle transition into autumn, marked by mild temperatures that set the stage for the changing season. The month opens with a minimum temperature of 4°C (40°F), gradually rising to an average of 13°C (55°F), and reaching a pleasant maximum of 23°C (74°F). This signifies a notable drop from the warmth of summer, yet it's still comfortably temperate for outdoor explorations. As the month progresses, the crispness in the air begins to hint at the cooler months ahead, while occasional sunny days can still invite residents and visitors to enjoy the city’s vibrant fall foliage. In essence, October in Haarlem is a delightful blend of mild warmth and the refreshing arrival of autumn.
October in Haarlem, Netherlands, stands out as a notably wet month, accumulating 115 mm (4.5 in) of precipitation over 17 days. This significant rainfall marks a peak compared to the rest of the year, with October outpacing the previous months, including the already soggy September with 93 mm. As autumn blankets the city, the increased moisture coincides with a rise in precipitation days, hinting at the transition into the wetter seasons. The consistent drizzle and occasional downpours contribute to a lush landscape, making Haarlem particularly vibrant despite the gray skies. With autumn in full swing, residents experience a vivid reminder of nature's cycles, as October emerges as a month of both beauty and dampness.
In October, Haarlem experiences a notable increase in humidity, rising to 86%, a trend that mirrors the city's late autumn atmosphere. As the warm summer months give way to cooler temperatures, humidity levels tend to fluctuate, dipping slightly in August to 78% before gradually climbing again. This October figure aligns closely with the humidity levels seen in the preceding March and the upcoming November, which both hover around 87%. Overall, the city's humidity remains relatively high throughout the year, reflecting its coastal climate, with only the peak summer months offering a slight respite. As the leaves change and autumn settles in, residents can expect a damp, brisk ambiance characteristic of this time of year.
October brings a noticeable shift in Haarlem's UV Index, dipping to 3, which classifies the exposure as moderate. As the month progresses, residents and visitors can enjoy a comfortable outdoor experience, with a burn time of around 30 minutes before needing to seek shade. This trend marks a gradual decline from the high summer months of June and July, where the UV Index peaked at 8, indicating a very high risk of harm from unprotected sun exposure. With November just around the corner, expect a further decrease, returning to low UV levels by the month's end. For more insight into UV trends throughout the year, check out the detailed Haarlem UV Index.
UV Risk Categories
In October, Haarlem experiences a vibrant shift in daylight as the summer's lingering warmth recedes, offering 239 hours of sunshine. This is noticeably less than the peak summer months, where July shines with an impressive 423 hours, yet October's sunlight still outshines the dreariness that follows in November and December. The gradual descent from the longest days of May and June sets the stage for autumn’s cozy embrace. With each passing month, daylight diminishes, but October’s brightness provides a gentle farewell to the sun-soaked days of summer, inviting residents and visitors to enjoy the crisp air and golden foliage.
In Haarlem, October presents a moderate chance of sunny weather with only 27% likelihood of clear skies, reflecting a subtle dip as we transition from the warmth of summer to the cooler embrace of autumn. This percentage marks a notable decrease from the more sunlit months of April and May, which boast chances over 40%. As the year progresses, especially after the delightful summer months, sunshine becomes less frequent, reminding us that while the vibrancy of fall is beautiful, it often comes hand in hand with overcast skies. Still, October's moderate possibility of sun offers glimpses of brightness amidst the autumn foliage, inviting residents and visitors alike to savor the crisp air and changing landscape.
As autumn deepens in Haarlem, October brings a gentle shift in daylight, offering 10 hours of sunlight—a significant decline from the sun-drenched heights of summer. Following the peak of 16 hours in June and July, the gradual decrease showcases the transition from the vibrant energy of longer days to the cozy embrace of fall. This month is a reminder of nature's rhythm, as daylight dwindles from 12 hours in September, echoing the impending arrival of winter's shorter days, where November will see just 8 hours. October's 10 hours of light serves as a beautiful balance of lingering warmth and the softening fall, inviting locals and visitors alike to savor the crisp air and changing colors of the season.
As October arrives in Haarlem, the breeze picks up, with average wind speeds reaching 6.2 m/s (14 mph), marking a noticeable increase from the calmer summer months. This transition from the gentler winds of June and July, which hover around 3.9 m/s (9 mph) and 4.4 m/s (10 mph) respectively, signals the approach of autumn's crisp embrace. Following a series of gradual declines in wind speed through the warmer seasons, October bursts forth with a refreshing vigor that invigorates the town. It’s a time when the winds whisk away the last remnants of summer, inviting both residents and visitors to enjoy the vibrant fall scenery, creating a dynamic atmosphere that complements Haarlem's charm.
Weather in Haarlem varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Haarlem, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January exhibit strikingly different weather patterns. October boasts milder temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 23°C (74°F), while January experiences colder conditions, with temperatures falling to a minimum of -4°C (26°F) and peaking at just 12°C (55°F). Additionally, October sees more precipitation, measured at 115 mm (4.5 in) over 17 days, compared to January's 62 mm (2.4 in) over 13 days. Despite this, both months have similar humidity levels, hovering around 86% in October and 87% in January. For more details on January weather, you can visit Haarlem weather in January.
October and February showcase distinct seasonal characteristics in weather. October tends to be milder, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 23°C (74°F), along with higher precipitation of 115 mm (4.5 in) over approximately 17 days. This month often experiences high humidity levels at 86%. In contrast, February presents colder conditions with an average temperature spanning from -7°C (19°F) to 16°C (61°F). It also has less rainfall, totaling 71 mm (2.8 in) across about 12 days, while humidity remains slightly elevated at 87%. For a detailed look at February weather specifics, you can visit Haarlem weather in February.
When comparing the weather in October and March, we notice distinct differences in temperature and precipitation. October experiences milder temperatures, with a minimum of 4°C (40°F) and an average of 13°C (55°F), peaking at 23°C (74°F). In contrast, March has colder temperatures, with a minimum of -7°C (19°F) and an average of 7°C (44°F), reaching a maximum of 17°C (63°F). Precipitation is more significant in October, totaling 115 mm (4.5 in) over 17 days, compared to March, which sees 71 mm (2.8 in) over 14 days. Interestingly, both months share similar humidity levels at 86%. For those looking for a deeper insight into March weather, you can check Haarlem weather in March.
In comparing the weather of October and April, we see notable differences in temperature and precipitation. October features a wider temperature range, with minimums around 4°C (40°F) and maximums reaching up to 23°C (74°F), while April is cooler overall, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 25°C (77°F). Additionally, October experiences significantly more rainfall, averaging 115 mm (4.5 in) over 17 days, compared to April's 43 mm (1.7 in) over only 10 days. However, both months share a similar level of humidity, hovering around 85-86%. For a more detailed look at April's climate, check out Haarlem weather in April.
In October, temperatures range from a chilly 4°C (40°F) at night to a milder maximum of 23°C (74°F) during the day, averaging around 13°C (55°F). The month is characterized by significant rainfall, witnessing about 115 mm (4.5 in) over 17 days, and the humidity remains high at 86%. In contrast, May offers slightly higher daytime temperatures, peaking at 27°C (81°F) while maintaining a similar minimum of 4°C (40°F) and an average of 12°C (55°F). With only 54 mm (2.1 in) of precipitation over 11 days and humidity at 84%, May typically presents a more pleasant and drier climate. For more details on May weather, you can check Haarlem weather in May.
October and June exhibit distinct differences in weather patterns. In October, temperatures range from a chilly minimum of 4°C (40°F) to a pleasant maximum of 23°C (74°F), with an average of 13°C (55°F). This month also sees a higher level of precipitation, with around 115 mm (4.5 in) spread across 17 days, and a humidity level of 86%. In contrast, June enjoys milder weather, featuring a minimum temperature of 9°C (48°F) and a maximum of 30°C (86°F), with an average of 17°C (62°F). The precipitation in June is notably lower at 74 mm (2.9 in) over 11 days, accompanied by slightly less humidity at 81%. For a more detailed look at specific weather conditions in June, check out Haarlem weather in June.
When comparing the weather in October to that of July, notable differences emerge. October features cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 23°C (74°F), while July enjoys much warmer weather, ranging from a minimum of 11°C (52°F) to a maximum of 33°C (92°F). Additionally, October experiences higher precipitation, averaging 115 mm (4.5 in) over 17 days, in contrast to July's 73 mm (2.9 in) spread over 14 days. Humidity levels are also slightly elevated in October at 86%, compared to 80% in July. For a closer look at July's weather specifics, visit Haarlem weather in July.
In comparison to August, October presents a noticeable shift in weather patterns. While August enjoys warmer temperatures with a minimum of 11°C (52°F) and a maximum of 30°C (87°F), October starts chilly, with lows of just 4°C (40°F) and highs reaching 23°C (74°F). The average temperature in October drops to 13°C (55°F), making it significantly cooler than August's 18°C (65°F). Additionally, October is wetter, with 115 mm (4.5 in) of precipitation over 17 days, compared to August's 99 mm (3.9 in) over 15 days. The humidity also rises in October, reaching 86%, compared to August's 78%. For more insights on the August weather, check out Haarlem weather in August.
October weather is notably cooler than September, with average temperatures dropping from 16°C (60°F) in September to 13°C (55°F) in October. The minimum temperatures fall from 7°C (45°F) to 4°C (40°F), while maximum temperatures also decline from 27°C (81°F) to a more moderate 23°C (74°F). Additionally, October experiences increased precipitation, amounting to 115 mm (4.5 in) over 17 days, compared to 93 mm (3.7 in) over 12 days in September. Despite slightly higher humidity levels in October at 86%, both months provide a clear indication of the transition into the cooler fall season. For more detailed insights into September weather patterns, check out Haarlem weather in September.
In October, the weather is characterized by a wider temperature range, with daily averages around 13°C (55°F) and maximums reaching up to 23°C (74°F). This month experiences higher precipitation, totaling 115 mm (4.5 in) over about 17 days, while humidity hovers around 86%. In contrast, November brings cooler temperatures, with averages dropping to 9°C (48°F) and maximums capping at 17°C (63°F). Precipitation decreases to 65 mm (2.6 in) over 15 days, and humidity remains slightly elevated at 87%. For a detailed look at what to expect, you can check out Haarlem weather in November.
In October, temperatures in Haarlem range from a chilly minimum of 4°C (40°F) to a pleasant maximum of 23°C (74°F), with an average of 13°C (55°F). The month sees considerable precipitation, totaling 115 mm (4.5 in) over 17 days, while humidity remains high at 86%. In contrast, December brings a much colder atmosphere, with temperatures dipping as low as -3°C (27°F) and averaging only 6°C (44°F), peaking at 13°C (55°F). Rainfall is slightly less, at 105 mm (4.1 in) across 18 days, but humidity remains consistent at 86%. For more details on the December weather specifics, check out Haarlem weather in December.
As October arrives in Haarlem, the weather begins to transition into the cooler embrace of autumn. With average temperatures dipping to around 13°C (55°F), this month marks a noticeable shift from the milder days of early fall. The air becomes crisper, accompanied by a higher humidity level of 86%, lending a damp chill to the atmosphere. Rain is more frequent as well, with significant precipitation spread over 17 days, making cozy indoor activities a cherished part of the season. Unlike the warmer summer months, October invites residents and visitors alike to enjoy the vibrant fall foliage and the atmospheric charm of the city. For a deeper dive into what to expect throughout the year, check out the detailed insights available at Haarlem Climate.