Last updated: February 24, 2025
January in Scottsdale, United States, presents a mild winter experience characterized by a maximum temperature of 29°C (84°F) and an average of 12°C (54°F), allowing for enjoyable outdoor activities. Although temperatures can dip to a minimum of -1°C (30°F), the city experiences a relatively dry month with a total precipitation amount of 25 mm (1.0 in) over just 4 days of rain. With humidity averaging 76%, visitors can expect a refreshing desert climate that highlights the unique beauty of the region during this time of year.
In January, Scottsdale experiences a captivating range of temperatures, marking the beginning of the year with a crisp charm. With minimums reaching down to -1°C (30°F) and a pleasant average of 12°C (54°F), the month offers a refreshing reprieve from both heat and winter chill. Daytime highs can soar to 29°C (84°F), reflecting the region's warming trend as the month progresses. This fluctuation hints at the gradual transition from the cooler winter months towards the warmth of spring, with temperatures steadily rising in February. As the days lengthen, the contrast between the cooler early mornings and the inviting afternoons becomes a hallmark of Scottsdale's January climate, inviting both residents and visitors to enjoy outdoor activities in the sunny, yet crisp atmosphere.
In January, Scottsdale experiences a moderate start to the year, with 25 mm (1.0 in) of precipitation over four days, setting the tone for a generally dry winter. This mild wetness gives way to a notable increase in February, where rainfall rises to 37 mm (1.4 in), often reflecting the seasonal transition. As spring approaches, March sees a slight dip with 29 mm (1.2 in), followed by a dramatic decrease in the following months, where April, May, and June see negligible amounts of rain, often totaling just a mere 2 mm (0.1 in) each. The trend shifts again in summer, particularly in July and August, with rainfall returning and reaching peaks of 37 mm (1.4 in) and 39 mm (1.5 in) respectively. This pattern highlights Scottsdale's characteristic dry winters that gradually shift to intermittent summer downpours, creating a climate that oscillates between arid stretches and short bursts of moisture.
In January, Scottsdale experiences a humidity level of 76%, marking a time of notable moisture in the air. This is followed by a slight increase to 79% in February, as winter's cooler temperatures transition into the spring months. As March arrives, humidity dips to 67%, signaling the start of a drying trend that continues into April with only 55% humidity. May and June bring even more arid conditions, with humidity levels dropping to 40% and 33% respectively. This dry spell persists through the summer months, reaching a low of 34% in July. However, as temperatures begin to cool in August, humidity rises again to 48%. The fall encourages a gradual return to higher humidity levels, peaking at 82% by December. Overall, Scottsdale’s humidity exhibits a distinct seasonal pattern, transitioning from winter’s dampness to summer’s dryness and back again, reflecting the region's desert climate.
In January, Scottsdale experiences a moderate UV Index of 4, translating to a burn time of 30 minutes for unprotected skin. As the months progress into February and March, the index rises sharply, peaking at 9 in March, indicating a transition to a very high exposure category with a reduced burn time of just 15 minutes. This upward trend continues into the sizzling summer months, with the index hitting an extreme high of 12 in June. Interestingly, from July through September, the UV levels stabilize slightly but remain in the extreme to very high range, suggesting the need for consistent sun protection. As fall approaches, the UV Index gradually descends back to moderate levels by December. For more detailed insights, check out the comprehensive guide at Scottsdale UV Index.
UV Risk Categories
In January, Scottsdale basks in a generous 195 hours of sunshine, setting a pleasant tone for the year ahead. As winter gives way to spring, the city experiences a steady increase in sunlight, with February enjoying 241 hours and March reaching 309 hours. This upward trend continues through the spring, peaking in May with an abundant 373 hours, only slightly surpassed in June at 375 hours. The summer months, while still offering ample sunshine—361 hours in July and 346 hours in August—begin to show a gradual decline. As fall approaches, the hours of sunlight taper off, with October and November recording 297 and 258 hours, respectively, and closing the year with December at 240 hours. Overall, Scottsdale’s sunshine data illustrates a vibrant cycle where each month dances between radiant days and cozy twilight, making it a year-round haven for sun seekers.
In Scottsdale, January features a moderate chance of sunny weather, with a 60% likelihood of clear skies. As the year unfolds, the prospect of sunshine steadily rises, peaking in May at a striking 90%. Following this high point, the sunny disposition begins to wane, especially during the summer months, where July sees a notable drop to just 36%. Interestingly, the trend shifts again toward the end of the year, as the chance of sunny days stabilizes around 55% to 73% from December through March. This pattern illustrates Scottsdale's reputation for abundant sunshine, especially in contrast to the more variable summer months.
In Scottsdale, January kicks off the year with approximately 10 hours of daylight, a trend that remains consistent through February. As we transition into March, daylight begins to extend to 11 hours, heralding the arrival of spring. This progression continues through April and May, where daylight peaks at 13 hours, offering residents and visitors ample time to enjoy the outdoors. The longest days occur in June and July, providing a generous 14 hours of sunshine, perfect for summer activities. As summer draws to a close in August, daylight begins to taper slightly, and this gradual decline continues into the fall months of September and October, reaching 12 and 11 hours respectively. By November, daylight reduces back to 10 hours, and December closes the year with just 9 hours of sunlight, demonstrating a clear seasonal rhythm in Scottsdale's daylight duration.
In Scottsdale, January ushers in a gentle breeze with an average wind speed of 2.2 m/s (5 mph), setting the tone for a tranquil winter. As the months progress into February and March, the winds pick up slightly, reaching a peak of 2.7 m/s (6 mph) in March, which hints at the promise of spring. This upward trend continues into April and June, where the winds stabilize around 2.8 m/s (6 mph) before beginning a downward drift towards the summer months. The summer heat brings a noticeable drop in wind speeds, with July showcasing a decline to 2.1 m/s (5 mph), followed by August and September dipping even lower. As the year winds down, October and November recover slightly, returning to the 5 mph range, but December caps the year with the softest breeze at 1.9 m/s (4 mph). This seasonal rhythm reflects Scottsdale’s dynamic climate, where the wind dances delicately with nature's ebb and flow throughout the year.
The weather in Scottsdale changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Scottsdale and find detailed weather information for every month.
January and February exhibit notably similar temperature ranges, with both months experiencing maximums reaching 29°C (84°F). However, February sees a slight increase in average temperature from 12°C (54°F) in January to 14°C (57°F), along with a minor rise in minimum temperatures, from -1°C (30°F) in January to 1°C (33°F). Precipitation also differs slightly; February records 37 mm (1.4 in) over 3 days, compared to January's 25 mm (1.0 in) over 4 days. Humidity levels in February are slightly higher at 79%, compared to January's 76%. For more detailed insights, check out Scottsdale weather in February.
In January, temperatures in Scottsdale range from a minimum of -1°C (30°F) to a maximum of 29°C (84°F), with an average temperature of 12°C (54°F). The month experiences around 25 mm (1.0 in) of precipitation over four days, accompanied by relatively high humidity at 76%. In contrast, March sees a significant increase in temperatures, with minimums at 4°C (39°F) and maximums reaching 35°C (95°F), while the average temperature rises to 18°C (65°F). Precipitation slightly increases to 29 mm (1.2 in) over three days, but humidity drops to 67%. For a detailed look at the weather during this month, visit Scottsdale weather in March.
In January, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 29°C (84°F), averaging around 12°C (54°F). The month sees a fair amount of precipitation at 25 mm (1.0 in) over about 4 days, contributing to a relatively high humidity of 76%. In contrast, April experiences significantly warmer weather, with minimum temperatures starting at 8°C (47°F) and reaching a maximum of 39°C (103°F), averaging a comfortable 24°C (75°F). This month boasts minimal precipitation, only 1 mm (0.1 in) over 0 days, leading to a decrease in humidity to 55%. For a closer look at what to expect, check out Scottsdale weather in April.
In January, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 29°C (84°F), with an average of 12°C (54°F). The month experiences about 25 mm (1.0 in) of precipitation over four days and maintains a high humidity level of 76%. In contrast, May brings significantly warmer weather, with temperatures starting at a mild 13°C (55°F) and soaring to a scorching maximum of 43°C (109°F), averaging around 28°C (82°F). Precipitation drops dramatically to just 2 mm (0.1 in) over zero rainy days, and humidity decreases to a comfortable 40%. For a detailed look at weather patterns, check Scottsdale weather in May.
In January, the weather is quite cool, with temperatures ranging from a chilly -1°C (30°F) at night to a warm 29°C (84°F) during the day, averaging around 12°C (54°F). The month sees about 25 mm (1.0 in) of precipitation over four days, with a relatively high humidity level of 76%. In sharp contrast, June experiences a significant rise in temperatures, with nighttime lows of 19°C (66°F) and daytime highs soaring up to 48°C (119°F), averaging a scorching 34°C (93°F). Additionally, June is notably dry, with only 2 mm (0.1 in) of precipitation and no rainy days, accompanied by much lower humidity at 33%. For more details on how the weather transforms, check out Scottsdale weather in June.
January and July present stark contrasts in weather patterns. In January, temperatures range from a chilly -1°C (30°F) at night to a pleasant average of 12°C (54°F) and can peak at 29°C (84°F), accompanied by 25 mm of precipitation over 4 days and a humidity level of 76%. In contrast, July boasts a significantly warmer climate, with nighttime lows starting at 23°C (74°F) and soaring to an average of 35°C (95°F), peaking at a blistering 47°C (118°F). July also sees slightly more precipitation at 37 mm across 6 days but has much lower humidity at 34%. For a closer look at what to expect, check out Scottsdale weather in July.
January and August present stark contrasts in weather. In January, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 29°C (84°F), with an average of 12°C (54°F). The month experiences 25 mm (1.0 in) of precipitation over four days, accompanied by a high humidity level of 76%. In contrast, August offers an entirely different climate, with a minimum temperature of 22°C (73°F) and soaring averages reaching up to 35°C (95°F) and a maximum of 47°C (116°F). This month sees slightly more precipitation at 39 mm (1.5 in) over five days, but with much lower humidity at 48%. For more details, check out Scottsdale weather in August.
In January, temperatures in Scottsdale experience a wide range, with a minimum of -1°C (30°F) and a maximum of 29°C (84°F), creating a cool to moderately warm climate for the month. The average temperature settles around 12°C (54°F) with relatively high humidity at 76%, and some precipitation totaling 25 mm (1.0 in) spread over four days.
In stark contrast, September features much warmer conditions, characterized by a minimum temperature of 13°C (56°F) and soaring maximums reaching 45°C (113°F), leading to an average temperature of 32°C (89°F). The month sees slightly more precipitation at 27 mm (1.1 in) across just three days, coupled with lower humidity at 64%. For more detailed insights, check out Scottsdale weather in September.
In comparing January and October weather, January experiences cooler temperatures with a minimum of -1°C (30°F) and an average of 12°C (54°F), while October has a significantly warmer minimum of 7°C (45°F) and an average temperature of 24°C (76°F). The maximum temperatures in January reach up to 29°C (84°F), whereas October boasts much hotter extremes, soaring to a maximum of 41°C (105°F). Precipitation levels are similar, with January receiving 25 mm (1.0 in) across 4 days and October slightly higher at 26 mm (1.0 in) but over just 2 days. Humidity is also lower in October at 67% compared to January's 76%. For more detailed insights, you can check Scottsdale weather in October.
January and November exhibit notable differences in weather patterns. In January, the temperature ranges from a chilly minimum of -1°C (30°F) to a warm maximum of 29°C (84°F), with an average temperature of 12°C (54°F). This month also sees moderate precipitation of 25 mm (1.0 in) over about four days, maintaining a humidity level of 76%. In contrast, November experiences milder temperatures, with a minimum of 5°C (41°F) and a maximum of 36°C (97°F), resulting in a higher average of 18°C (66°F). Precipitation is lighter at 21 mm (0.8 in) and occurs only once during the month, while humidity remains relatively stable at 77%. For more details, check out Scottsdale weather in November.
In January, temperatures range from a minimum of -1°C (30°F) to a maximum of 29°C (84°F), with an average temperature of 12°C (54°F). This month sees slightly higher humidity at 76% compared to December, which has a minimum temperature of 0°C (32°F) and a maximum of 28°C (83°F) with an average of 13°C (55°F). Precipitation levels are comparable, with January receiving 25 mm (1.0 in) over 4 days and December slightly less at 23 mm (0.9 in) over the same duration. Overall, while both months exhibit mild weather, January tends to be a touch cooler and slightly more humid than December. For more details on December weather, you can check Scottsdale weather in December.
January in Scottsdale stands out as a month of refreshingly mild temperatures, offering residents and visitors a welcome retreat from harsher winter climates. While daytime highs can reach a pleasant 29°C (84°F), the nights can be surprisingly cool, dipping close to freezing. This unique blend of temperatures, combined with a modest average humidity of 76% and limited precipitation, makes January an ideal time for outdoor activities, contrasting sharply with the scorching heat of summer months and the unpredictable rains of late fall. With just a few days of rain, January's weather encourages exploration and enjoyment of Scottsdale's natural beauty. For a deeper dive into what to expect throughout the year, check out Scottsdale Climate.