Last updated: February 24, 2025
In October, Tucson, United States, experiences a unique blend of weather conditions that captivate both residents and visitors alike. With maximum temperatures reaching an impressive 38°C (100°F) and an average of 23°C (73°F), daytime warmth is balanced by cooler evenings, where temperatures can dip to a refreshing minimum of 4°C (39°F). While the month sees limited rainfall, with only 10 mm (0.4 in) over just 2 days, humidity levels hover around 67%, adding a subtle layer to the already vibrant desert atmosphere. This dynamic climate makes October a perfect time to explore the natural beauty and outdoor adventures Tucson has to offer.
In October, Tucson welcomes a delightful shift in temperatures, offering residents and visitors a refreshing respite from the lingering summer heat. With minimums dipping to 4°C (39°F) and soothing averages around 23°C (73°F), this month strikes a perfect balance between warmth and coolness. As the month progresses, daytime highs peak at around 38°C (100°F), allowing for still-warm afternoons while the evenings become pleasantly crisp. This transition marks a significant decline from the scorching summer months, making October an ideal time for outdoor activities and exploration. The city’s fall atmosphere invites everyone to enjoy the stunning desert landscapes under a more temperate sky.
October in Tucson sees a noticeable shift in precipitation patterns as the monsoon season draws to a close. With just 10 mm (0.4 in) of rain over two days, October contributes less to the yearly total than its preceding months, particularly July and August, which experience significantly heavier rainfall. Following a drier fall, the city transitions toward a chillier winter, with increased precipitation in November leading to 14 mm (0.6 in). This trend highlights October as a transitional month, where Tucson's typical arid climate begins to reassert itself after the summer's downpours, setting the stage for the cooler and drier months ahead.
In Tucson, October brings a noticeable rise in humidity, averaging 67%, as the region transitions from the dry summer months to the wetter conditions of late fall. Following September's 64% humidity, this slight increase prepares the landscape for the upcoming winter season. Throughout the year, Tucson experiences a significant drop in humidity from 76% in January, reaching a low of 33% in June and July. However, as autumn progresses, the humidity begins to creep back up, with November nearing 77%. This pattern highlights the city's unique climate, where the dry heat of summer gives way to a more comfortable and slightly more humid atmosphere in the fall, creating a refreshing backdrop for outdoor activities.
In October, Tucson experiences a UV Index of 8, categorizing it as very high and allowing for a burn time of just 15 minutes. This October reading indicates a slight decrease in UV intensity compared to the sweltering summer months—where July and August reached record highs of 12—but still demands caution for outdoor activities. As the year progresses from July's extreme levels, October's conditions remind residents and visitors alike to stay vigilant about sun protection, especially with the burn time slightly increasing compared to the preceding months. For those planning to enjoy the Sonoran sunshine, being aware of the monthly trends in UV exposure is crucial. For more information, visit Tucson UV Index.
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October in Tucson shines with 300 hours of glorious sunshine, marking a gentle decline from the peak brightness of the previous months. Following the sun-soaked highs of May and June, which each boast 371 hours, October offers a comfortable warmth as the summer fades into autumn. This month sits comfortably within a trend of gradual sunlight reduction, tapering from September's 312 hours yet still well above the winter months that follow. As the days grow shorter, Tucsonans can relish the welcoming warmth and vibrant skies, making October an ideal time for outdoor activities in this sun-drenched desert city.
In Tucson, October marks a delightful transition into fall, boasting an impressive 81% chance of sunny weather. This places the month among the sunniest times of the year, following the peak warmth of May. Unlike the summer months, which can see a steep decline in sunshine—particularly in July, where the chance drops to a mere 34%—October offers a refreshing return to clearer skies. As the year progresses, the likelihood of sun consistently hovers around the mid-70s to low-80s, creating an enticing atmosphere for outdoor activities and highlighting Tucson’s charm under the bright autumn sun.
In October, daylight in Tucson, United States begins to wane as the city transitions into autumn, with approximately 11 hours of sunlight each day. Following a peak in June when the sun shone for 14 hours, there is a gradual decrease in daylight hours as the year progresses. From May's generous 13 hours to the slightly shorter days in August and September, October marks a notable shift, indicating the approaching winter months. This downward trend continues into November and December, where daylight dips to 10 hours once again, framing a natural rhythm of the seasons in the desert landscape.
As October rolls into Tucson, the winds take on a gentle rhythm, averaging 2.6 m/s (6 mph). This slight uptick from the preceding months—where summer's lull at 2.1 m/s (5 mph) in August and September gave way to a more animated breeze—ushers in a refreshing fall atmosphere. Interestingly, while the monthly averages show a peak in spring and early summer at 3.3 m/s (7 mph), October's winds remain comfortably mild, reminiscent of January and February. This transition marks a moment of balance in the air, as Tucsonans enjoy the cooldown, embracing the soft whispers of autumn as the season shifts.
The weather in Tucson 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 Tucson and find detailed weather information for every month.
October and January showcase a stark contrast in weather patterns. In October, temperatures can soar with highs reaching up to 38°C (100°F), while the minimum temperature rarely drops below 4°C (39°F), allowing for warm, pleasant days with minimal precipitation. In contrast, January brings cooler conditions, with average highs around 11°C (53°F) and lows dipping to -1°C (30°F), along with increased precipitation levels at 23 mm (0.9 in) over three days. January's higher humidity at 76% contrasts with October's 67%, adding to the overall chill of the winter month. For a detailed look at January weather, check out Tucson weather in January.
When comparing the weather in October and February, distinct differences emerge. October boasts a significantly warmer climate, with average temperatures reaching 23°C (73°F) and maximums soaring to 38°C (100°F). In contrast, February presents a chillier landscape, where the average temperature is just 13°C (55°F), and the minimum can drop to -3°C (27°F). Precipitation also varies, with October only experiencing 10 mm (0.4 in) over 2 days, while February sees higher precipitation levels of 34 mm (1.3 in) across 4 days. Additionally, the humidity in February is slightly higher at 79%, compared to October's 67%. For a detailed look at what to expect during February, visit Tucson weather in February.
October and March exhibit distinct weather patterns, reflecting the transition between seasons. In October, temperatures can range from a minimum of 4°C (39°F) to a scorching maximum of 38°C (100°F), with an average of 23°C (73°F). The month sees minimal precipitation, around 10 mm (0.4 in) over just 2 days, and maintains a steady humidity level of 67%. In contrast, March features a cooler temperature range, with minimums dropping to 1°C (33°F) and maximums reaching 33°C (92°F), averaging 16°C (62°F). Precipitation is slightly higher in March at 15 mm (0.6 in) over 3 days, while humidity remains consistent at 67%. For more details, check out Tucson weather in March.
When comparing the weather in October and April, April tends to be slightly milder, with minimum temperatures around 6°C (43°F) compared to October's 4°C (39°F). The average temperatures are relatively similar, with October averaging 23°C (73°F) and April at 22°C (71°F). However, October can experience higher maximum temperatures, reaching up to 38°C (100°F) compared to April's maximum of 37°C (98°F). Additionally, April enjoys drier conditions with just 2 mm (0.1 in) of precipitation over no rainy days, while October sees 10 mm (0.4 in) of rain spread over 2 days. The humidity is notably higher in October at 67%, compared to a more comfortable 55% in April. For more detailed insights, check out Tucson weather in April.
October and May in Tucson present distinct weather characteristics. October experiences a wider temperature range, with minimums dipping to 4°C (39°F) and maximums soaring to 38°C (100°F), while the average temperature is a comfortable 23°C (73°F). In contrast, May’s temperatures start higher, with minimums at 9°C (48°F) and maximums reaching up to 40°C (104°F), averaging 25°C (78°F). Precipitation is somewhat low in both months, with October receiving 10 mm (0.4 in) over 2 days compared to May's mere 3 mm (0.1 in) across just 1 day. Additionally, October's humidity is higher at 67%, while May boasts a drier atmosphere at 40%. For more specifics, check out this link: Tucson weather in May.
October and June present distinctly different weather patterns. In October, temperatures vary significantly, with a minimum of 4°C (39°F) and a maximum reaching up to 38°C (100°F), averaging around 23°C (73°F). The month experiences some precipitation, with 10 mm (0.4 in) over about 2 days, and a humidity level of 67%. In contrast, June features much warmer conditions, with a minimum temperature of 17°C (62°F) and highs soaring up to 44°C (111°F), settling at an average of 31°C (88°F). This month is drier, recording only 8 mm (0.3 in) of rainfall and no rainy days, accompanied by a lower humidity level of 33%. For a more detailed outlook, check Tucson weather in June.
In October, the weather exhibits a more moderate climate, with temperatures ranging from a comfortable minimum of 4°C (39°F) to a warm maximum of 38°C (100°F). The average temperature is around 23°C (73°F), and the month experiences relatively low precipitation at 10 mm (0.4 in) over just 2 days, accompanied by a higher humidity level of 67%. In contrast, July features significantly warmer temperatures, with a minimum of 20°C (69°F) and a blistering maximum of 43°C (110°F), averaging around 31°C (88°F). This summer month is much wetter, receiving 54 mm (2.1 in) of precipitation across 10 days, while the humidity remains low at 34%. For more details on July's weather, check out Tucson weather in July.
In comparing the weather between August and October, we see notable differences in temperature and precipitation patterns. August tends to be much hotter, with average temperatures soaring to 31°C (87°F) and maximums reaching up to 42°C (108°F). Additionally, August experiences more rainfall, totaling about 35 mm (1.4 in) over approximately 8 days, along with lower humidity levels at 48%. In contrast, October is cooler with a significant drop in average temperatures to 23°C (73°F) and a maximum of 38°C (100°F). It also sees significantly less precipitation, only 10 mm (0.4 in) over 2 days, while the humidity rises to 67%. For more detailed information on how September stands out, check out Tucson weather in August.
In comparing the weather between September and October, October shows a significant drop in minimum temperatures, ranging from 4°C (39°F) compared to September's warmer 13°C (56°F). The average temperature in October is also lower at 23°C (73°F), contrasted with September's 28°C (83°F). While the maximum temperatures in September can reach up to 41°C (106°F), October's maximum is more moderate at 38°C (100°F). Additionally, October experiences less precipitation, with only 10 mm (0.4 in) over 2 days, compared to September's 27 mm (1.1 in) over 3 days. Humidity is slightly higher in October at 67% compared to 64% in September. For more details on the weather characteristics of September, you can visit Tucson weather in September.
October and November present a notable transition in weather conditions. October enjoys a wider temperature range, with minimums around 4°C (39°F) and maximums reaching up to 38°C (100°F), leading to an average temperature of 23°C (73°F). In contrast, November sees cooler temperatures, with an average of 17°C (64°F), and maximums capped at 33°C (91°F). Although November experiences slightly more precipitation at 14 mm (0.6 in) over just one day, the overall humidity rises to 77%, compared to October's 67%. This shift creates a decidedly cooler and more humid atmosphere as autumn deepens. For more detailed information, you can check out Tucson weather in November.
In October, Tucson enjoys warm temperatures, ranging from a brisk minimum of 4°C (39°F) to a scorching maximum of 38°C (100°F), with an average of 23°C (73°F). The month is relatively dry, with only 10 mm (0.4 in) of precipitation over 2 days and a moderate humidity level of 67%. In contrast, December brings much cooler temperatures, with a minimum dropping to -2°C (29°F) and a maximum reaching 27°C (80°F), averaging around 12°C (54°F). This month also sees increased precipitation, totaling 27 mm (1.0 in) over 4 days, along with higher humidity levels at 82%. For more details on December weather patterns, check out Tucson weather in December.
As the vibrant hues of fall begin to paint the landscape, October in Tucson brings a delightful shift in weather. This month experiences a distinct transition with milder daytime temperatures that average a comfortable 23°C (73°F), contrasting the heat of summer. The nights cool off, offering a refreshing escape, with lows sometimes dipping to 4°C (39°F). Rainfall is minimal, typically gracing the city for only a couple of days, which helps maintain the clear skies that Tucson is known for. Thus, October emerges as an ideal time to explore the outdoors, with pleasant humidity levels hovering around 67%, enhancing the enjoyable climate. For more insights into what you can expect throughout the year, visit Tucson Climate.