Last updated: February 24, 2025
In October, Chatham, United States, experiences a delightful transition into autumn, with maximum temperatures reaching 21°C (70°F) and an average of 15°C (59°F). As the month progresses, temperatures dip to a minimum of 4°C (40°F), signaling the cooler days ahead. Rainfall is moderate, with a total precipitation of 169 mm (6.7 in) over approximately 11 days, contributing to the region's lush fall foliage. The air carries a crispness, accompanied by a humidity level of 75%, creating a refreshing atmosphere ideal for enjoying seasonal activities.
In October, Chatham experiences a delightful transition into autumn, with temperatures ranging from a minimum of 4°C (40°F) to a pleasant maximum of 21°C (70°F). This month showcases a significant warming trend compared to the chill of winter months, as the average temperature climbs to a comfortable 15°C (59°F). The cooler mornings hint at the encroaching winter, yet the vibrant afternoons offer a taste of lingering warmth, making it an ideal time for outdoor activities amidst the colorful fall foliage. As the month progresses, these mild temperatures set the stage for the cooler days that follow in November, highlighting the brisk shifts characteristic of the season.
In October, Chatham experiences a notable surge in precipitation, receiving an impressive 169 mm (6.7 in)—the highest monthly total of the year. This uptick is characteristic of the transition into fall, where crisp air and vibrant foliage are often accompanied by rain. Notably, October sees 11 days of precipitation, maintaining a pace similar to several previous months, yet the amount surpasses others significantly. This increase in rainfall, combined with the cooler temperatures, typically fosters a rich environment for the changing seasons, making October not only a wet month but also a visually stunning one as nature prepares for winter.
In October, Chatham experiences a comfortable humidity level of 75%, aligning with the subtle decline seen since the peak summer months. The trend shows a gradual drop from the 84% humidity of January and February, reaching its low point in May at 75%, before stabilizing as autumn sets in. This consistent humidity level in October provides a pleasant transition into the cooler months, contrasting with the higher humidity levels of late spring and early summer. As fall progresses, the increase in humidity in November back to 80% hints at the seasonal changes ahead, setting the stage for the winter months.
As October arrives in Chatham, the UV Index dips to 6, placing it in the high exposure category, with a burn time of approximately 25 minutes. This marks a noticeable decrease from the summer months, when the index peaked at a maximum of 10, indicating very high UV levels and a burn time of just 15 minutes. As the days grow shorter and temperatures cool, the UV intensity steadily declines from the highs of late summer, yet caution is still warranted, especially during sunny afternoons. This trend underscores the importance of sun safety even in the fall—don't let your guard down! For more detailed information, check out the Chatham UV Index.
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As October arrives in Chatham, the days begin to shorten, but the sunshine continues to play a prominent role, offering 238 hours of bright light. This marks a subtle decline from the sun-drenched heights of summer, where June and July basked in the glow for a remarkable 325 and 344 hours respectively. Yet, October's embrace of autumn still provides a generous amount of sunshine compared to earlier months; after all, it is a far cry from the winter dimness of January, which boasts a mere 136 hours. The gradual transition from summer's intensity to the crispness of fall creates a beautiful tapestry where the lingering warmth can still be felt, inviting residents to savor the vibrant scenes of changing leaves under a brilliant sun.
In October, Chatham enjoys a 44% chance of sunny weather, marking a slight uptick from the previous month’s 51% in September. This trend suggests a moderate potential for clear skies as autumn takes hold. As we transition from the summer months, where the likelihood of sunshine hovers around the 36-38% range, October's percentages reflect a blend of lingering warm days and the encroaching coolness of fall. While not the sunniest month, October offers a promising balance of sunny rays and the beautiful autumn foliage, tempting residents and visitors alike to embrace the outdoors.
In Chatham, United States, the patterns of daylight duration reflect the seasonal transition as the year unfolds. October offers an average of 11 hours of daylight, a gentle decline from the longer days of summer, which peak in June with 15 hours. As the year progresses, daylight diminishes from the vibrancy of May’s 14 hours through the crisp September days, ultimately leading into the shorter daylight of late autumn. This trend underscores a shift not only in daylight but also in the ambiance of the seasons, making October a perfect blend of lingering sunlight and the anticipation of shorter days ahead. The gradual reduction in daylight serves as a natural reminder of nature's cyclical rhythm.
As October sweeps in, the winds in Chatham begin to carry a briskness that echoes the colorful changes of the season. With an average wind speed of 7.1 m/s (16 mph), October presents a refreshing shift from the summer lull, which saw the winds drop to their lowest at 5.1 m/s (12 mph) in August. This month marks a gentle increase in winds compared to the preceding months, aligning closely with the transition from the warmer summer weather to the cooler fall days. Moreover, as October progresses, wind speeds rise again, setting the stage for the more robust breezes of late fall, with November reaching 7.4 m/s (17 mph). Such trends signify not only the physical changes in the atmosphere but also the palpable excitement that autumn brings to the coastal landscape of Chatham.
The weather in Chatham 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 Chatham and find detailed weather information for every month.
October and January present stark contrasts in weather. In October, temperatures range from a mild 4°C (40°F) at night to a comfortable average of 15°C (59°F) during the day, peaking at 21°C (70°F). The month experiences significant rainfall, with 169 mm (6.7 in) spread across 11 days and a humidity level of 75%. In comparison, January ushers in much colder conditions, with temperatures plunging to a minimum of -13°C (10°F) and an average of just 2°C (37°F), peaking at 12°C (54°F). This month sees less overall precipitation, totaling 94 mm (3.7 in) over 10 days, but the humidity rises to 84%, adding to the chill. For a closer look at January conditions, check out Chatham weather in January.
When comparing the weather in October and February, notable differences emerge. October typically enjoys milder temperatures, ranging from a minimum of 4°C (40°F) to a pleasant maximum of 21°C (70°F), with an average of 15°C (59°F). In contrast, February experiences much colder conditions, with temperatures dropping to a minimum of -11°C (12°F) and reaching a maximum of just 11°C (53°F), resulting in an overall average of 2°C (37°F). Precipitation in October is more substantial, with 169 mm (6.7 in) over 11 days, while February sees slightly less at 124 mm (4.9 in) across 12 days. Humidity is also higher in February at 84%, compared to 75% in October. For more detailed insights, you can check Chatham weather in February.
October and March present contrasting weather conditions. In October, temperatures range from a minimum of 4°C (40°F) to a pleasant maximum of 21°C (70°F), with an average of 15°C (59°F). The month experiences higher precipitation, with 169 mm (6.7 in) accumulated over 11 days, while humidity rests at 75%. In contrast, March is decidedly cooler, with temperatures dipping to a minimum of -8°C (18°F) and maxing out at 12°C (54°F), averaging around 3°C (38°F). Although March has lower total precipitation at 119 mm (4.7 in), it shares the same 11 rainy days but comes with slightly higher humidity at 82%. For more details on March weather, visit Chatham weather in March.
In comparing the weather of October and April, we can observe distinct differences in temperature and precipitation. October generally enjoys milder conditions, with average temperatures ranging from a low of 4°C (40°F) to a high of 21°C (70°F), while April features cooler temperatures with a minimum of 1°C (33°F) and a maximum of 14°C (57°F). While October experiences 169 mm (6.7 in) of precipitation over 11 days, April sees slightly less rain, totaling 131 mm (5.1 in) across 14 days. Additionally, humidity levels are somewhat similar, with October averaging 75% and April at 79%. For more detailed insights on April weather specifically, you can check Chatham weather in April.
When comparing the weather in October and May, October tends to be warmer, with average temperatures ranging from 4°C (40°F) at night to a maximum of 21°C (70°F) during the day. In contrast, May has a narrower temperature range, with minimums of 5°C (41°F) and maximums reaching 19°C (66°F). Additionally, October experiences more precipitation, measuring 169 mm (6.7 in) over 11 days, while May sees 121 mm (4.8 in) across 12 days. Both months share similar humidity levels at 75%, creating a comfortable, albeit wet, atmosphere. For more detailed weather insights, check out Chatham weather in May.
October and June exhibit contrasting weather patterns, with October being cooler and wetter compared to June. In October, temperatures range from a minimum of 4°C (40°F) to a maximum of 21°C (70°F), with an average temperature of 15°C (59°F). This month also sees higher precipitation, totaling 169 mm (6.7 in) over 11 days, and a humidity level of 75%. In contrast, June features milder temperatures with a minimum of 10°C (50°F), an average of 16°C (61°F), and a maximum of 22°C (73°F). The precipitation in June is less intense, at 88 mm (3.5 in) over just 10 days, with a slightly higher humidity of 78%. For more specifics on June weather, you can check Chatham weather in June.
When comparing the weather in October and July, notable differences emerge. October experiences cooler temperatures, with a minimum of 4°C (40°F) and an average of 15°C (59°F), peaking at 21°C (70°F). In contrast, July boasts significantly warmer temperatures, starting at a minimum of 16°C (61°F) and averaging 20°C (69°F), reaching a high of 26°C (79°F). Precipitation levels also differ, with October receiving much more rain at 169 mm (6.7 in) over 11 days compared to July's 77 mm (3.0 in) over just 8 days. Humidity remains comparatively stable, hovering around 75% in October and slightly lower at 76% in July. For more details on July's weather, check out Chatham weather in July.
In comparison to August, October experiences cooler temperatures, with average highs around 15°C (59°F) compared to August's warmer average of 21°C (71°F). While August enjoys a more comfortable range of temperatures, with minimums of 16°C (61°F), October sees lows dropping to just 4°C (40°F). Precipitation is more frequent in October, with 169 mm (6.7 in) over 11 days, significantly higher than the 83 mm (3.3 in) spread across 8 days in August. Despite both months having similar humidity levels, October's chillier conditions mark a distinct shift as summer fades into fall. For more insights on the weather patterns of August, you can check Chatham weather in August.
In comparing the weather between September and October, October experiences cooler temperatures, with a minimum of 4°C (40°F) compared to September's milder minimum of 13°C (56°F). The average temperature in October is a cooler 15°C (59°F), down from September's average of 19°C (66°F). Additionally, October sees more significant rainfall, accumulating 169 mm (6.7 in) over 11 days, while September has lower precipitation levels at 116 mm (4.6 in) over 10 days. Despite the differences in temperature and precipitation, both months maintain a consistent humidity level of 75%. For more details on September weather, you can visit Chatham weather in September.
October and November display distinct shifts in weather patterns as autumn deepens. October enjoys milder temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 21°C (70°F), with an average of 15°C (59°F) and considerable rainfall of 169 mm (6.7 in) over 11 days. In contrast, November introduces cooler conditions, with temperatures dipping to a minimum of -6°C (21°F) and averaging around 9°C (49°F), while the maximum reaches 18°C (65°F). The precipitation in November decreases to 106 mm (4.2 in) over 10 days, and humidity rises slightly to 80%. For a detailed look at November weather, you can check Chatham weather in November.
October and December present distinctly different weather patterns. In October, temperatures range from a minimum of 4°C (40°F) to a maximum of 21°C (70°F), with an average of 15°C (59°F). This month experiences relatively high precipitation, totaling 169 mm (6.7 in) over 11 days, and a humidity level of 75%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -10°C (14°F) and averaging around 5°C (41°F). The maximum temperature reaches 15°C (60°F) while precipitation decreases slightly to 138 mm (5.4 in) over 12 days, accompanied by an increased humidity of 80%. For more details, you can check Chatham weather in December.
As October unfolds in Chatham, it brings a distinct shift in weather compared to the preceding months. With cooler temperatures settling in, the crisp air invites cozy sweaters and pumpkin-spiced treats, while increased humidity accentuates the seasonal transition. Rainfall becomes more frequent, with several days of precipitation adding to the vibrant fall foliage that paints the landscape. This month heralds the beauty of autumn, making it a perfect time for outdoor activities amidst the stunning backdrop. Explore more about the nuances of Chatham's climate throughout the year at Chatham Climate.