Last updated: February 24, 2025
October in Sunriver, United States, offers a striking contrast in temperatures, ranging from a brisk minimum of -10°C (14°F) to a pleasant maximum of 29°C (84°F). This month presents an average temperature of 7°C (45°F), marking a transition into the cooler autumn season. Visitors can expect 46 mm (1.8 inches) of precipitation over approximately 6 days, contributing to a humidity level of 76%, which complements the crisp fall air. Embrace the stunning fall colors and the refreshing, albeit sometimes chilly, weather as the landscape transforms in this picturesque alpine region.
In October, Sunriver bids farewell to the warmth of summer, as temperatures begin to dip into more brisk conditions. With minimums around -10°C (14°F) and averages hovering at 7°C (45°F), the month marks a noticeable transition towards winter. While daytime highs can still reach a pleasant 29°C (84°F), the cooler nights prompt the changing leaves to showcase their vibrant hues against the backdrop of crisp air. This month serves as a bridge, embodying the contrast between the lingering warmth of a fading season and the chill that hints at winter's approach, making October a uniquely enchanting time in Sunriver.
In October, Sunriver experiences a moderate shift in its precipitation patterns, receiving 46 mm (1.8 in) of rainfall over 6 days. This amount marks a slight increase from the drier summer months, where July and August saw minimal precipitation. As the region transitions into autumn, the number of rainy days is comparable to September, yet the overall precipitation levels reflect the impending winter rains. This uptick in moisture sets the stage for the upcoming months, which typically bring more substantial rainfall, peaking during the winter season. Overall, October serves as a gentle herald of the wetter months ahead, contributing to the region’s lush landscape.
As the crisp air of October settles over Sunriver, the humidity takes a slight dip to 76%, marking a transition from the drier months of late summer and early fall. This shift is notable compared to September's 57%, highlighting the onset of moisture as the region prepares for the winter months ahead. Throughout the year, humidity levels remain relatively high, particularly in the depths of winter, with January and February consistently peaking at 87%. October's figure sits comfortably above the summer lows, indicating a balance between the warmer, drier conditions and the return of the cool, damp air typical of the approaching season. Overall, the data showcases a clear trend of higher humidity in the colder months, emphasizing Sunriver's shift from summer's dryness to winter's embrace of moisture.
In October, Sunriver experiences a UV Index of 6, placing it in the high exposure category with a burn time of 25 minutes. This is a noticeable decrease from the peak summer months, where the UV Index soared to 11, indicating an extreme risk of harm from unprotected sun exposure. As autumn sets in, the UV levels gradually decline from the very high readings of September and August, making this month a moderate time for outdoor activities with less risk of sunburn. However, it's still crucial to remain cautious, as the UV rays can still be potent. For more information on how to stay protected, check the Sunriver UV Index.
UV Risk Categories
October in Sunriver brings a delightful blend of sunny days, with an impressive 246 hours of sunshine illuminating the vibrant fall landscape. As the year transitions, October reflects a gradual decline in daylight from the peak summer months, where July offers a radiant 409 hours. This dip is part of a broader trend, as sunlight hours steadily decrease from a summer high, peaking in June and July, before tapering off in the autumn months. Despite this decline, October still glows warmly compared to the winter months ahead, inviting residents and visitors alike to bask in the crisp air and colorful foliage. The 299 hours in September sets a pleasant stage for October’s golden sunsets, heralding the end of another sun-kissed season in this stunning region.
As autumn settles in, the likelihood of sunny weather in October in Sunriver, United States, dips to 35%. This marks a notable decrease from the peak sun exposure enjoyed in the peak summer months of July and August, where chances soared to 82% and 75%, respectively. While October's prospects are significantly sunnier than the gloomy winter months ahead, with their low averages of 24% in November and 15% in December, the transition to fall sees the sun sharing its stage with more cloud cover and the first hints of winter chill. Thus, October emerges as a month of changing skies, balancing vibrant autumn hues with the lingering rays of sunlight.
As October unfolds in Sunriver, the days begin to shorten, offering about 10 hours of daylight. This marks a noticeable decline from the sun-soaked summer months, where June and July bask in a peak of 15 hours of sunlight, creating an inviting atmosphere for outdoor adventures. As the calendar inches toward the winter months, the daylight gradually diminishes, transitioning from the vibrant 14 hours of May to 13 hours in August and further down to 12 hours in September. The trend is clear: as autumn progresses, Sunriver transitions to a cozier, softer light that paints the landscape in warm hues, a preview of the 9 hours that November will bring before the holidays set in.
As October rolls in, Sunriver experiences a gentle increase in wind speed, averaging 2.9 m/s (7 mph). This slight uptick follows a calmer late summer, where the winds dwindled to their lowest in July at just 2.0 m/s (4 mph). The transition into autumn brings a refreshing breeze that revitalizes the landscape, contrasting with the lighter gusts of the preceding months. Interestingly, October's winds mirror those of January and November, suggesting a seasonal rhythm in the area's climate. As temperatures drop and vibrant fall foliage emerges, the October winds serve as a reminder of the changing seasons, inviting residents and visitors alike to embrace the crisp air and stunning scenery of this enchanting locale.
The weather in Sunriver 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 Sunriver and find detailed weather information for every month.
October and January exhibit stark contrasts in their weather patterns. In October, temperatures range from a minimum of -10°C (14°F) to a maximum of 29°C (84°F), with an average of 7°C (45°F). The month sees moderate precipitation of 46 mm (1.8 in) over about 6 days, along with a humidity level of 76%. In contrast, January is significantly colder, featuring temperatures plummeting to -23°C (-9°F) and peaking at only 12°C (53°F), with an average temperature around 0°C (32°F). Precipitation increases substantially to 95 mm (3.7 in) over 13 days, accompanied by a higher humidity of 87%. For more detailed insights, check out Sunriver weather in January.
October and February showcase distinct weather patterns. In October, temperatures vary significantly, ranging from a chilly min of -10°C (14°F) to a warm max of 29°C (84°F), with an average of 7°C (45°F). Precipitation is relatively moderate, totaling 46 mm (1.8 in) over about 6 days, accompanied by a humidity level of 76%. In contrast, February is much colder, featuring a min temperature of -24°C (-11°F) and a max of 16°C (61°F), with an average temperature of -1°C (31°F). The month sees significantly higher precipitation at 114 mm (4.5 in) over 16 days, with humidity rising to 87%. For a closer look at February weather specifically, you can check Sunriver weather in February.
When comparing the weather in October and March, it's evident that both months experience chilly temperatures, but March tends to be colder overall. In October, temperatures range from a minimum of -10°C (14°F) to a maximum of 29°C (84°F), with an average of 7°C (45°F). March, on the other hand, has a slightly wider temperature range, with minimum temperatures dropping to -14°C (6°F), an average of 2°C (36°F), and a maximum of 18°C (65°F). Precipitation is also notably higher in March, totaling 74 mm (2.9 in) over 14 days, compared to October's 46 mm (1.8 in) over 6 days, and March also sees higher humidity levels at 87% compared to October's 76%. For more details on the March climate, you can check Sunriver weather in March.
In comparing the weather of October and April, October tends to offer a wider temperature range with a minimum of -10°C (14°F) and a maximum of 29°C (84°F), averaging around 7°C (45°F). In contrast, April's temperatures are slightly cooler, with a minimum of -11°C (12°F) and a maximum of 26°C (79°F), averaging at 5°C (42°F). October experiences less precipitation, totaling 46 mm (1.8 in) over 6 days, while April sees higher precipitation levels at 69 mm (2.7 in) across 11 days. Additionally, April tends to be more humid, with humidity levels at 86%, compared to October's 76%. For more detailed insights into April's weather, you can check Sunriver weather in April.
October and May present distinct weather experiences, each characterized by their unique temperatures and humidity levels. In October, the temperature ranges from a chilly -10°C (14°F) at night to a warm 29°C (84°F) during the day, while May typically showcases milder temperatures, with a minimum of -5°C (24°F) and a maximum of 30°C (86°F). Both months receive the same amount of precipitation—46 mm (1.8 in)—but October experiences this over fewer days (6 days) compared to May's 10 days of rain. Additionally, humidity levels are slightly higher in May at 79%, compared to October's 76%. For more details on May weather, you can check Sunriver weather in May.
When comparing the weather in October and June, notable differences emerge. October sees a broader temperature range, with minimums dipping as low as -10°C (14°F) and averages around 7°C (45°F), while June's milder temperatures range from a minimum of -2°C (29°F) to an average of 15°C (58°F). The maximum temperatures in June can soar up to 40°C (104°F), significantly higher than October's warmest day at 29°C (84°F). Additionally, October experiences slightly more precipitation, averaging 46 mm (1.8 in) over six days, compared to June's 29 mm (1.2 in) over seven days. Humidity levels remain relatively high in both months, with October at 76% and June at 80%. For a closer look at June weather patterns, visit Sunriver weather in June.
October and July exhibit pronounced differences in their weather patterns. In July, temperatures rise significantly, with an average of 19°C (67°F) and maximums reaching up to 35°C (95°F). This month is also relatively dry, experiencing only 10 mm (0.4 in) of precipitation over just 2 days, while humidity hovers around 77%. Conversely, October brings cooler temperatures, averaging 7°C (45°F) and ranging from a chilly minimum of -10°C (14°F) to a milder maximum of 29°C (84°F). Rainfall increases to 46 mm (1.8 in) over 6 days, accompanied by slightly higher humidity at 76%. For more detailed information about July weather, you can visit Sunriver weather in July.
In comparing the weather of October and August, October displays a broader temperature range, with minimums dropping to -10°C (14°F) and maximums reaching up to 29°C (84°F). The average temperature in October is significantly cooler at 7°C (45°F), alongside higher humidity levels at 76%. Precipitation also increases in October, with 46 mm (1.8 in) expected over 6 days. In contrast, August features milder temperatures with a minimum of 0°C (32°F), an average of 19°C (66°F), and a peak at 36°C (98°F). It also experiences less rain at 15 mm (0.6 in) over a shorter duration of 4 days, with lower humidity at 60%. For more detailed information, you can check Sunriver weather in August.
In comparing the weather between September and October, a notable shift can be observed. September experiences a wider temperature range with a minimum of -3°C (26°F), an average of 14°C (57°F), and a maximum of 36°C (97°F). In contrast, October sees cooler temperatures, with a minimum of -10°C (14°F), an average of 7°C (45°F), and a maximum of 29°C (84°F). In terms of precipitation, both months are relatively similar, with September receiving 39 mm (1.5 in) over 5 days, and October having 46 mm (1.8 in) over 6 days. Humidity levels also show a difference, as October remains more humid at 76%, compared to September's 57%. For more detailed insights, you can check Sunriver weather in September.
October and November present a notable transition in weather conditions. In October, temperatures range from a minimum of -10°C (14°F) to a maximum of 29°C (84°F), with an average of 7°C (45°F). Precipitation is relatively light, with 46 mm (1.8 in) occurring over about six days and humidity averaging 76%. In contrast, November sees a drop in temperatures, with minimums plummeting to -17°C (1°F) and maximums reaching 21°C (70°F), resulting in a cooler average of 3°C (37°F). The month is wetter, experiencing 79 mm (3.1 in) of rainfall spread over 11 days, alongside increased humidity levels at 87%. To learn more about the specific weather in November, you can check Sunriver weather in November.
October experiences a wider range of temperatures, with a minimum of -10°C (14°F) and a maximum of 29°C (84°F), leading to an average temperature of 7°C (45°F). In contrast, December is colder, featuring a minimum of -17°C (2°F) and a maximum of 17°C (63°F), resulting in an average temperature of 0°C (31°F). Additionally, October sees less precipitation with 46 mm (1.8 in) over about six days, while December has significantly higher precipitation at 91 mm (3.6 in) spread over fourteen days. The humidity also rises in December, reaching 88% compared to October's 76%. For more detail on weather patterns, check out Sunriver weather in December.
As October rolls into Sunriver, the weather takes on a distinctly autumnal character, marked by a notable drop in temperatures compared to the balmy days of summer. This month blends crisp mornings and cool evenings with occasional warmer afternoons, creating an inviting backdrop for outdoor activities. With increased humidity and the onset of precipitation, October sets the stage for vibrant fall foliage and cozy gatherings by the fireplace. While the chances of rain increase, the charm of the changing season makes it a unique time to experience all that Sunriver has to offer. For a deeper dive into yearly weather patterns, check out Sunriver Climate.