Last updated: February 24, 2025
In October, Flagstaff experiences a breathtaking transition into autumn, with temperatures ranging from a maximum of 26°C (80°F) to a chilly minimum of -8°C (17°F). The average temperature settles at a comfortable 11°C (51°F), making it an ideal time for outdoor adventures. While the month brings a total of 34 mm (1.4 in) of precipitation over approximately 5 days, the air remains relatively humid at 70%, wrapping the landscape in a refreshing crispness. This blend of warm days and cool nights enhances the stunning fall foliage, offering residents and visitors alike a picturesque autumn experience.
As October unfolds in Flagstaff, temperatures exhibit a crisp transition into autumn. The month greets visitors with a minimum of -8°C (17°F), providing a stark contrast to the balmy summer months. On average, daytime temperatures hover around 11°C (51°F), with highs reaching a pleasant 26°C (80°F). This moderate warmth is coupled with the cooling nights, hinting at the approaching winter. Compared to the preceding months, October marks a notable dip from September’s balmy averages, yet it remains relatively mild compared to the frigid chill of November. The changing landscape and crisp air create an inviting atmosphere for outdoor exploration amidst the vibrant fall foliage.
In October, Flagstaff experiences a notable shift in precipitation patterns, with an average of 34 mm (1.4 in) of rain falling over just 5 days. This marks a decrease from the wetter months of July and August, which see significant rainfall, and is part of a gradual decline leading into winter. The 49 mm (1.9 in) recorded in September provides a gentle transition into October's milder conditions, while the drop to 30 mm (1.2 in) in November signals the approaching colder months. The overall trend illustrates a pattern of diminishing precipitation as the year progresses, with October serving as a bridge between the lush summer and the more arid winter, all while maintaining a crisp autumn ambiance in the high-altitude landscape.
As autumn settles in, October in Flagstaff brings a noticeable shift in humidity levels, averaging around 70%. This marks an increase from the drier summer months, where June and July see their lowest humidity at just 35% and 33% respectively. Transitioning from the vibrant warmth of summer, the humidity begins to climb again in September, reaching 59%, and continues its upward trend into October. This month stands out with a comfortable balance—higher than the summer months but still significantly lower than the winter peaks seen in January and February, which hover around 80% to 83%. As the leaves change and cooler air settles in, Flagstaff’s October humidity offers a refreshing embrace, making it a perfect time for outdoor adventures amidst stunning fall foliage.
In October, Flagstaff experiences a UV Index of 8, categorized as very high, indicating a substantial risk of harm from unprotected sun exposure, with a burn time of just 15 minutes. This marks a noticeable decrease from the extreme levels seen during the summer months, where indices peaked at 13 in both June and July, demanding stringent sun protection measures. As the year transitions into fall, the UV levels remain significant, reminding residents and visitors alike that even in autumn, sun safety should not be overlooked. For more detailed information and trends throughout the year, visit Flagstaff UV Index.
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In October, Flagstaff basks in a warm embrace of 294 hours of sunshine, marking a beautiful transition into the fall season. This month showcases a significant drop from the sun-soaked days of May and June, where the hours peaked at 374 and 375, respectively. Interestingly, as summer wanes, sunshine hours begin to decline, with October sitting comfortably above the winter months of November and December, which only enjoy 258 and 232 hours. The sunshine trend reflects a gradual shift in Flagstaff’s climate, highlighting the town's stunning autumn foliage and crisp air, making it an ideal time for outdoor enthusiasts to explore its vibrant scenery before the winter chill sets in.
As October arrives in Flagstaff, the likelihood of sunny weather remains promising, with a 67% chance of sunshine this month. This figure aligns closely with September's sun probability, reflecting a steady trend of favorable weather as the seasons transition. Notably, this period of early autumn maintains a higher likelihood of sun compared to the winter months like January and December, which linger near the 50% mark. The warm rays of October sun provide a perfect backdrop for enjoying the stunning fall foliage, making this month an ideal time for outdoor adventures in the picturesque landscapes of Flagstaff.
As autumn settles in Flagstaff, October brings a noticeable shift in daylight, offering 11 hours of sun—a decline from the golden 14 hours seen during the peak summer months. This gradual adjustment reflects the transition towards winter, with daylight diminishing steadily since the summer solstice. Interestingly, the month aligns closely with March and September, showcasing a recurring pattern as days shorten in preparation for the colder months ahead. While the crisp fall air and vibrant foliage invite outdoor adventures, the waning daylight serves as a reminder of the approaching winter season.
As October arrives in Flagstaff, the crisp autumn air brings a gentle breeze with an average wind speed of 2.9 m/s (6 mph). This marks a slight increase from the calm July and August days, where winds dropped to their lowest at 2.0 m/s (4 mph). Interestingly, October's winds are more reminiscent of the spring months, which see higher gusts, reflecting the seasonal transition. While the summer's stillness gives way to a refreshing coolness, the winds in October pave the way for the approaching winter, hinting at the changes ahead while still allowing for those beautiful, vibrant fall days.
The weather in Flagstaff 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 Flagstaff and find detailed weather information for every month.
October and January present stark contrasts in weather conditions. In October, temperatures vary significantly, ranging from a chilly -8°C (17°F) at night to a pleasant 26°C (80°F) during the day, with an average of 11°C (51°F). The month experiences approximately 34 mm (1.4 in) of precipitation over about 5 days, making it a relatively mild time of year with a humidity level around 70%. In contrast, January's climate is much harsher, featuring much lower temperatures that drop to a minimum of -18°C (0°F) and reach a maximum of only 14°C (58°F), with an average of 0°C (32°F). This winter month sees more precipitation at 47 mm (1.8 in) across about 7 days and higher humidity at 80%, emphasizing the cold, wet conditions typical of the season. For a closer look at the specifics of January's weather, check out Flagstaff weather in January.
October and February present stark contrasts in weather conditions. In October, temperatures range from a brisk -8°C (17°F) at night to a pleasant 26°C (80°F) during the day, with an average of 11°C (51°F). This month sees about 34 mm (1.4 inches) of precipitation over approximately five days and has a relative humidity of around 70%. In contrast, February is significantly colder, with temperatures dipping as low as -19°C (-2°F) and only reaching a high of 17°C (63°F), resulting in a chillier average of 1°C (34°F). Precipitation increases to 50 mm (2.0 inches) across roughly seven days, accompanied by a higher humidity level of 83%. For detailed information on February weather, you can check Flagstaff weather in February.
October and March present distinct weather patterns, showcasing the transition between fall and spring. In October, temperatures typically range from a minimum of -8°C (17°F) to a maximum of 26°C (80°F), with an average of 11°C (51°F) and humidity around 70%. Precipitation is moderate, with about 34 mm (1.4 in) over five days. In contrast, March sees cooler conditions, with a minimum of -14°C (8°F) and a maximum of 20°C (69°F), averaging 4°C (39°F). This month is also wetter, receiving 61 mm (2.4 in) of precipitation over nine days, along with a slightly higher humidity of 72%. For more details on March weather, visit Flagstaff weather in March.
In comparing the weather of October and April, both months experience a similar maximum temperature of around 26°C (79-80°F), but their averages and minimums differ slightly. October has a higher average temperature of 11°C (51°F) compared to April's 9°C (49°F), while the minimum temperatures are very close, with October dropping to -8°C (17°F) and April to -7°C (20°F). Precipitation also varies, with October receiving 34 mm (1.4 in) of rain over about 5 days, while April sees less precipitation at 22 mm (0.9 in) over 4 days. Additionally, October has a higher humidity level at 70%, compared to April's 63%. For more details on the climate specifics, you can check Flagstaff weather in April.
When comparing the weather in October and May, it's clear that May tends to be slightly warmer overall. In October, temperatures can range from a chilly -8°C (17°F) to a comfortable 26°C (80°F), with an average of 11°C (51°F). In contrast, May features higher averages, with minimum temperatures of -3°C (27°F) and a maximum reaching 30°C (86°F), averaging around 13°C (57°F). Precipitation levels are relatively comparable between the two months, with October receiving 34 mm (1.4 in) over about 5 days, while May sees a similar amount of rain at 32 mm (1.3 in) across 6 days. Moreover, October has a higher humidity level at 70%, compared to May's 46%. For more specific details about conditions, you might find this link useful: Flagstaff weather in May.
In comparing the weather between June and October, we see notable differences in temperature and humidity. June typically boasts warmer average temperatures, with a minimum of 3°C (37°F) and a maximum of 35°C (95°F), creating an enjoyable and warm environment. In contrast, October experiences a broader temperature range, with lows dropping to -8°C (17°F) and highs reaching up to 26°C (80°F), signaling the transition into cooler fall weather. Additionally, October is characterized by higher humidity at 70%, compared to June's more comfortable 35%. Precipitation patterns also differ, as June receives only 11 mm (0.4 in) over approximately 2 days, while October sees more rainfall at 34 mm (1.4 in) spread out over 5 days. For more detailed information on June weather, you can check Flagstaff weather in June.
In October, temperatures range from a chilly minimum of -8°C (17°F) to a pleasant average of 11°C (51°F), with a maximum reaching 26°C (80°F). The month sees relatively low precipitation at 34 mm (1.4 in) over about 5 days, creating a mild and comfortable atmosphere, despite higher humidity levels at 70%. In contrast, July boasts much warmer temperatures, with a minimum of 9°C (48°F), an average of 21°C (70°F), and peak temperatures hitting 35°C (95°F). However, it experiences significantly higher precipitation at 148 mm (5.8 in), spread across 16 days, along with lower humidity levels of 33%. For more detailed insights, check out Flagstaff weather in July.
In comparing the weather between October and August, we see notable differences in temperature and precipitation. October features a broader temperature range, with minimums dropping to -8°C (17°F) and maximums reaching 26°C (80°F), while the average sits at a cooler 11°C (51°F). In contrast, August maintains milder conditions with min temperatures around 9°C (48°F), averages of 20°C (69°F), and highs peaking at 33°C (92°F). Additionally, October experiences less precipitation at 34 mm (1.4 in) over just 5 days, while August is wetter, receiving 69 mm (2.7 in) over 13 days. Moreover, October has a higher humidity level at 70%, compared to 41% in August. For a detailed look at August weather, you can check out Flagstaff weather in August.
In comparison to September, October experiences a notable drop in average temperatures, with a minimum of -8°C (17°F) and a maximum of 26°C (80°F), compared to September's milder range of -1°C (31°F) to 33°C (91°F). While September boasts a warmer average temperature of 17°C (63°F), October offers a cooler average of 11°C (51°F). Precipitation levels are slightly lower in October, with 34 mm (1.4 in) over 5 days, contrasted with September's 49 mm (1.9 in) across 7 days. Additionally, October has a higher humidity level at 70%, compared to September’s 59%. For more detailed insights, visit Flagstaff weather in September.
October typically showcases a broader temperature range with a minimum of -8°C (17°F) and a pleasant average of 11°C (51°F), while reaching as high as 26°C (80°F). In contrast, November sees lower temperatures with a minimum of -16°C (4°F) and an average of 6°C (42°F), peaking at 20°C (69°F). While October experiences slightly higher precipitation at 34 mm (1.4 in) over about 5 days, November is not far behind with 30 mm (1.2 in) over just 3 days. Humidity also increases from 70% in October to 79% in November, giving a cooler and more moist feel to the latter month. For a more detailed look at November weather, visit Flagstaff weather in November.
In comparing the weather between October and December, we see a notable shift in temperature and conditions. October typically experiences milder temperatures, ranging from a minimum of -8°C to a maximum of 26°C, with an average of 11°C. This month also sees relatively low precipitation, totaling 34 mm over about 5 days, and a humidity level of 70%. In contrast, December is significantly colder, with temperatures dropping to a minimum of -20°C and only reaching a maximum of 16°C, resulting in an average temperature of 1°C. Although precipitation slightly increases to 36 mm over 6 days, the humidity rises to 82%, making the air feel crisper. For more detailed insights into the weather during this month, check out Flagstaff weather in December.
October in Flagstaff is a month of transition, where the mild temperatures offer a pleasant escape from the heat of summer and a prelude to the chill of winter. With an average temperature that hovers around 11°C (51°F), the days can reach up to 26°C (80°F), while nights dip considerably, plunging to about -8°C (17°F). This creates a unique contrast not seen in the warmer months. Additionally, October brings light precipitation on roughly five days, enhancing the fall colors and contributing to the season’s fresh, crisp air. For those looking to better understand how this month compares to others throughout the year, check out Flagstaff Climate.