Last updated: February 24, 2025
October in Sisters, United States, showcases a diverse climatic tapestry. With a temperature range that sees a maximum of 30°C (87°F) and a minimum dipping to -9°C (16°F), the month offers a mix of crisp autumn mornings and warmer afternoons. The average temperature hovers around a refreshing 8°C (47°F). Visitors can expect a moderate precipitation amount of 43 mm (1.7 in), spread across approximately 7 days, contributing to the region's lush scenery. With humidity levels around 78%, the air carries a notable freshness, perfect for enjoying the vibrant fall foliage and serene landscapes.
As October rolls in, Sisters, United States experiences a notable shift in temperatures, offering a tantalizing blend of autumn chill and lingering warmth. The average temperature dips to 8°C (47°F), showcasing a transition from the warmth of summer, yet the maximum can still reach a pleasant 30°C (87°F), providing opportunities for those last outdoor adventures. The minimum temperature settles at a brisk -9°C (16°F), hinting at the winter to come. This month perfectly captures the essence of the changing seasons, where the vibrant colors of fall meet the crisp air, inviting residents and visitors alike to embrace the cozy charm of this picturesque time of year.
October marks a transitional phase in Sisters, United States, as the autumn months progress with a modest precipitation total of 43 mm (1.7 in) over about 7 days, highlighting the region's gradual shift towards wetter conditions. This increase in rainfall compared to the drier summer months of June and July, which received only 22 mm (0.9 in) and 6 mm (0.3 in) respectively, signifies the onset of the rainy season. Comparatively, while September recorded 36 mm (1.4 in) over a mere 5 days, October's precipitation hints at a trend towards increased moisture leading into the winter months. As temperatures drop and the days shorten, the steady accumulation of rain in October sets the stage for the wetter conditions expected in November and December.
As autumn settles in, October brings a notable shift in humidity levels in Sisters, United States. With humidity at 78%, it marks a continuation of the downward trend from the summer months, where August and September recorded their lowest levels at 62% and 59% respectively. The slight increase in October compared to the preceding months suggests a transition as the seasonal air becomes cooler and more moisture-laden. This fluctuation hints at the approach of winter, where humidity rises significantly again, peaking in November and December at 88%. Overall, October is a pivotal month, bridging the drier summer spells with the return of the wetter, more humid conditions of late fall.
In October, the UV Index in Sisters, United States, measures a moderate 6, indicating a high exposure level with a burn time of just 25 minutes. This decline from the peak extreme levels seen in May, where the index reached 11, showcases the transition into cooler months. Throughout the year, UV levels begin high in the spring, peaking in the summer, and gradually tapering off into the fall and winter, with November dropping back to a moderate index of 3. As outdoor activities become more enticing with the crisp autumn air, it's important to be mindful of sun exposure. For more information on UV levels and safety, visit Sisters UV Index.
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In Sisters, United States, the month of October offers a delightful continuation of the region's abundant sunshine, with approximately 242 hours of sun illuminating the crisp autumn air. This figure places October comfortably within a positive trend, as it follows the sunniest months of July (409 hours) and June (365 hours), while still outshining the duller winter days of November (168 hours) and December (144 hours). Notably, October presents a picturesque balance of warmth and coolness, capturing the essence of a transitioning season—marked by vibrant fall foliage and comfortably sunny afternoons. As daylight begins to wane with the approach of winter, the month remains a cherished time for outdoor activities, making the most of the golden rays before the chill sets in.
In October, Sisters, United States experiences a 37% chance of sunny weather, marking a notable decline from the summer months when sunshine is abundant—with July peaking at 83%. As the seasons transition, weather patterns shift: after enjoying a vibrant summer and a pleasantly warm September (71% chance of sun), October brings a more unpredictable forecast. This decrease in sunny days is a reminder of the approaching winter, as the likelihood of sunshine dips towards the year’s end, evidenced by November’s stark 25% and December’s meager 17%. Thus, while October remains a decent choice for enjoying the fall colors and crisp air, the fading sunshine suggests it's time to embrace more layers and prepare for the cozy indoor season ahead.
As October arrives in Sisters, United States, the length of daylight begins to taper off, reflecting the transition from the warm embrace of summer to the cooler autumn months. With 10 hours of daylight, this month marks a significant drop from the 14 hours in May and the peak of 15 hours in June and July. The trend of reducing daylight hours continues as the year progresses toward winter, with November bringing just 9 hours and December further diminishing to 8 hours. As the days shorten, the crisp, cooler air sets in, inviting locals and visitors alike to embrace the stunning fall scenery that Sister has to offer, even as daylight wanes.
As October settles in Sisters, United States, the average wind speed hovers around a gentle 2.4 m/s (5 mph). This aligns with the subtle breeziness of the earlier months, with wind speeds remaining fairly consistent throughout the year. Notably, despite a slight dip in speed during the peak summer months of July and August, October gracefully resumes the trends established in spring and early fall. The atmosphere during this time is characterized by a soft whisper of wind, perfectly complementing the vibrant autumn colors that envelop the landscape, making October an ideal time to savor the serene beauty of nature's transition.
The weather in Sisters 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 Sisters and find detailed weather information for every month.
October and January exhibit stark differences in weather conditions. In October, temperatures range from a low of -9°C (16°F) to a comfortable high of 30°C (87°F), with an average temperature around 8°C (47°F). The month sees moderate precipitation of 43 mm (1.7 in) over seven days and a humidity level of 78%. In contrast, January brings much colder temperatures, with a minimum of -24°C (-11°F) and a maximum of only 14°C (57°F), resulting in an average temperature of 0°C (33°F). Precipitation is higher in January at 93 mm (3.7 in), occurring over 13 days, and humidity increases to 86%. For more detailed information, you can check out Sisters weather in January.
October and February present stark contrasts in weather patterns. In October, temperatures range from a chilly -9°C (16°F) at night to a warm 30°C (87°F) during the day, with an average of 8°C (47°F). The month sees moderate precipitation of 43 mm (1.7 in) over about 7 days and a humidity level of 78%. In contrast, February is considerably colder, with minimum temperatures dropping to -22°C (-7°F) and an average of 0°C (33°F), peaking at 17°C (62°F). This month experiences higher precipitation at 109 mm (4.3 in) across 15 days, accompanied by a slightly higher humidity of 87%. For a more detailed look at February weather in Sisters, you can check out this link: Sisters weather in February.
When comparing the weather in October and March, it's evident that both months present distinct characteristics. October experiences a broader temperature range, with minimums dipping as low as -9°C (16°F) and maximums soaring to 30°C (87°F), while averaging around 8°C (47°F). The month also sees about 43 mm (1.7 in) of precipitation over roughly 7 days and maintains a humidity level of 78%.
In contrast, March tends to be cooler overall, with temperatures ranging from a minimum of -15°C (5°F) to a maximum of 19°C (67°F), averaging just 3°C (38°F). This month also features increased precipitation, totaling around 66 mm (2.6 in) over 13 days, coupled with a slightly higher humidity of 86%. For more detailed information on March weather, you can visit Sisters weather in March.
In comparing the weather of October and April, we see some intriguing differences. October tends to have a slightly wider temperature range, with minimums dipping to -9°C (16°F) and maximums reaching up to 30°C (87°F), averaging around 8°C (47°F). In contrast, April's temperatures are a bit milder, with minimums at -8°C (17°F) and maximums around 28°C (83°F), averaging 7°C (45°F). However, April receives more precipitation, accumulating 67 mm (2.6 in) over approximately 11 days, compared to October's 43 mm (1.7 in) over 7 days. Moreover, April experiences higher humidity levels at 85%, compared to October’s 78%. For more detailed insights on the weather in April, check out Sisters weather in April.
October and May present contrasting weather patterns, with October experiencing a broader range of temperatures from a minimum of -9°C (16°F) to a maximum of 30°C (87°F), averaging 8°C (47°F) overall. In contrast, May offers slightly warmer conditions, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 31°C (88°F), averaging 12°C (53°F). Although October records a slightly higher total precipitation of 43 mm (1.7 in) over 7 days, May is not far behind with 37 mm (1.5 in) over 8 days. Humidity levels are relatively similar, with October at 78% and May at 80%. For more detailed information, you can check Sisters weather in May.
When comparing the weather between October and June, notable differences emerge. October experiences a wider range in temperatures, with a minimum of -9°C (16°F) and a maximum reaching 30°C (87°F), while June's temperatures are generally milder, ranging from a minimum of 0°C (32°F) to a maximum of 42°C (108°F). Precipitation is more frequent in October, with 43 mm (1.7 in) recorded over 7 days, compared to June's 22 mm (0.9 in) over just 6 days. Additionally, humidity levels are slightly higher in June at 82%, compared to 78% in October. For a closer look at June weather specifics in Sisters, you can visit Sisters weather in June.
When comparing the weather in October and July, a stark contrast emerges. In October, temperatures can range from a chilly -9°C (16°F) at night to a warm 30°C (87°F) during the day, with an average temperature of 8°C (47°F). The month also sees a significant amount of precipitation, accumulating 43 mm (1.7 in) over about 7 days, while maintaining a high humidity level of 78%.
In contrast, July is characterized by milder nights, with temperatures only dropping to a minimum of 0°C (33°F) and averaging a much warmer 20°C (69°F) during the day, peaking at 37°C (99°F). Additionally, July experiences considerably less precipitation, with just 6 mm (0.3 in) over 1 day, while still holding onto that same humidity of 78%. For more detailed insights into July weather, check out Sisters weather in July.
When comparing the weather in October and August, it’s notable that October experiences a broader temperature range, with minimums dropping to -9°C (16°F) and maximums reaching up to 30°C (87°F), while August remains significantly warmer, averaging 20°C (68°F) and peaking at 37°C (100°F). Precipitation in October is also higher, totaling 43 mm (1.7 in) over 7 days, compared to a mere 8 mm (0.3 in) in August with only 2 days of rain. Additionally, humidity levels are higher in October at 78%, compared to August's 62%, indicating a more damp and cooler climate as the season shifts. For more detailed insights on August weather, you can check Sisters weather in August.
October weather presents a more varied temperature range compared to September, with minimums dipping to -9°C (16°F) and maximums reaching up to 30°C (87°F). In contrast, September's temperatures are milder, featuring minimums of -3°C (26°F) and highs soaring to 37°C (99°F). While October has slightly higher precipitation at 43 mm over 7 days, September receives 36 mm across 5 days, indicating a somewhat wetter October overall. Additionally, October's humidity averages 78%, notably higher than September's 59%, lending a cooler, more damp feel to the month. For a detailed look into September conditions, you can visit Sisters weather in September.
October and November weather shows a notable shift as autumn progresses. In October, temperatures vary significantly, with a minimum of -9°C (16°F) and a maximum reaching 30°C (87°F), resulting in an average of 8°C (47°F). The month experiences about 43 mm (1.7 in) of precipitation over 7 days, with a humidity level of 78%. In contrast, November brings colder temperatures, with a minimum of -18°C (0°F) and a maximum of 22°C (71°F), leading to a lower average of 3°C (38°F). The increase in precipitation to 74 mm (2.9 in) over 11 days, along with higher humidity at 88%, indicates a wetter and chillier month. For more details on weather specifics, visit Sisters weather in November.
October weather tends to be milder and more variable compared to December. With temperatures ranging from a brisk -9°C (16°F) to a warm 30°C (87°F), October experiences an average of 8°C (47°F) and sees about 43 mm (1.7 in) of precipitation over approximately 7 days. In contrast, December is significantly colder, featuring a minimum temperature of -19°C (-2°F) and a maximum of 18°C (65°F), with an average temperature of 0°C (33°F). This month also encounters more precipitation, totaling 93 mm (3.7 in) across 14 days, and has slightly higher humidity at 88%. For more detailed information on December weather, you can visit Sisters weather in December.
As October unfolds, Sisters experiences a dramatic shift in weather that distinguishes it from the milder months of summer. With temperatures ranging from just above freezing to a warm peak, the crisp air signals the arrival of autumn. Precipitation becomes more frequent, bringing refreshing rains that contribute to the beautiful fall foliage, while humidity levels climb, creating a rich tapestry of scents and sights in the region. October is a unique blend of warmth and chill, making it an ideal time to appreciate the changing seasons. For a deeper understanding of how these elements shape the climate in Sisters, explore Sisters Climate.