Last updated: February 24, 2025
In December, Scottsdale experiences a delightful winter climate, with temperatures ranging from a maximum of 28°C (83°F) to a minimum of 0°C (32°F). The average temperature hovers around 13°C (55°F), offering a comfortable respite from the chill of northern winters. Humidity levels maintain a notable 82%, contributing to the overall pleasantness of the season. While the city does see some moisture, with 23 mm (0.9 in) of precipitation spread over just 4 days, it remains an ideal time for outdoor activities. Visitors and residents alike can enjoy the stunning desert scenery and mild weather as the year comes to a close.
In Scottsdale, December brings a refreshing shift as temperatures dip from the milder autumn months. With a minimum of 0°C (32°F) and an average of 13°C (55°F), residents experience a comfortable chill that is perfect for outdoor activities. The maximum temperature reaches a pleasant 28°C (83°F), providing delightful sunny days ideal for exploring the city’s vibrant landscape. This month marks a gentle transition into cooler winter, with temperatures steadily dropping from the warm highs of November. Overall, December offers an inviting blend of crisp air and bright sunshine, making it a favored time for visitors to enjoy Scottsdale's renowned outdoor adventures.
In December, Scottsdale experiences a moderate precipitation level, receiving 23 mm (0.9 in) of rain over four days. This month bridges the transition from the dry season, which dominates from April to June, to the slightly wetter late-year months. Notably, this December's rainfall is slightly lower than the year-round average, following a general decline since the peak summer months in July and August, which are characterized by much heavier rain. As temperatures cool, these December showers provide a refreshing contrast, serving as a reminder of the region's more temperate winter climate amidst its typically arid environment.
December in Scottsdale, United States, marks a notable shift in humidity levels, with the month boasting an average humidity of 82%. This increase is part of a gradual rise that begins in November, where humidity reaches 77%, hinting at the onset of a wetter season. The year starts with higher humidity levels, peaking in February at 79%, but from March to May, a steady decline occurs, hitting a low of 40% in May. As summer transitions to fall, humidity remains relatively low in the warm months, ranging from 33% in June to 48% in August. However, come December, the air becomes noticeably more humid, indicating a return to wetter conditions that can linger into the new year. This pattern showcases Scottsdale's unique climate, oscillating between dry heat and moisture, particularly as it approaches winter.
In Scottsdale, the UV Index experiences a notable decline as the year comes to a close. December features a UV Index of 4, categorized as moderate, which grants sun-seekers a burn time of approximately 30 minutes—allowing for enjoyable outdoor activities without the intense concerns that accompany the harsher summer months. This gradual decrease follows the extreme levels seen in May through July, underlining a seasonal trend where UV exposure lessens as winter sets in. As a result, while protection is still advisable during December outings, residents can relish the milder sun, making it a perfect time for outdoor adventures. For more detailed information, visit Scottsdale UV Index.
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In December, Scottsdale basks in an inviting 240 hours of sunshine, marking a subtle dip from the sun-drenched days of late fall, but still offering a delightful respite with plenty of daylight. The trend throughout the year reveals a gradual escalation in sunshine, peaking in May and June with 373 and 375 hours respectively, providing a bright backdrop to outdoor activities. As the year winds down, December's warmth evokes a cozy feel, inviting residents and visitors alike to enjoy the milder temperatures and festive ambiance. Despite the shorter days, this month still showcases Scottsdale's charm, reminding us that even in winter, the sun continues to play a prominent role in the vibrant desert landscape.
In Scottsdale, December presents a 55% chance of sunny weather, which is relatively modest compared to the sun-soaked months leading up to it. As the year transitions towards winter, the tendency for consistent sunshine begins to wane from the higher percentages of late spring and early autumn, peaking at 90% in May. While December doesn't offer the sun-soaked days of previous months, it still enjoys a decent likelihood of clear skies, especially when considering the sharp decline in sunny days seen in July. This month serves as a pleasant reminder of Scottsdale's generally favorable climate, allowing visitors to experience a mild desert winter with a fair share of sunshine.
As December sets in Scottsdale, the city experiences its shortest days of the year, with daylight lasting only 9 hours. This decline in sunlight marks a transition from the longer days of summer, where June and July bask in 14 hours of daylight each. The trend showcases a gradual increase in daylight from early spring, peaking in summer, before tapering off as winter approaches. By the end of the year, the daylight duration shrinks to its minimal point, reminding residents that even in sunny Arizona, the winter solstice brings shorter days and longer nights. Despite the decrease, the vibrant sunsets and crisp, clear evenings in December offer Scottsdale’s residents a unique charm, inviting them to enjoy the beauty of winter in the desert.
As December settles over Scottsdale, the winds begin to whisper a softer tune, with an average speed of just 1.9 m/s (4 mph). This gentle breeze marks a notable decline from the modest gusts of earlier months, particularly after experiencing a slight uptick in wind speed through the spring and early summer. July and August brought the year’s lightest winds, yet December continues this trend toward calmness, creating a serene atmosphere perfect for enjoying Scottsdale's winter landscape. While the winds may be easing, the crisp December air invites residents and visitors alike to embrace outdoor activities, fostering a peaceful end to 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 December'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.
In December, the weather features a mild temperature range with a minimum of 0°C (32°F) and a maximum of 28°C (83°F), averaging around 13°C (55°F). The month sees approximately 23 mm (0.9 in) of precipitation over 4 days, coupled with high humidity at 82%. In contrast, January experiences slightly cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 29°C (84°F), averaging 12°C (54°F). Precipitation rises slightly to 25 mm (1.0 in) over the same 4 days, but humidity decreases to 76%. For more detailed information, you can refer to Scottsdale weather in January.
In December, the weather features a minimum temperature of 0°C (32°F) and an average of 13°C (55°F), with maximum highs reaching 28°C (83°F). The month receives about 23 mm (0.9 in) of precipitation across four days and maintains a humidity level of 82%. In contrast, February sees slightly milder temperatures, beginning with a minimum of 1°C (33°F) and an average of 14°C (57°F), peaking at 29°C (84°F). While precipitation rises to 37 mm (1.4 in) over just three days, humidity decreases slightly to 79%. For more detailed information, check Scottsdale weather in February.
In December, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant average of 13°C (55°F) and can peak at 28°C (83°F), accompanied by relatively high humidity at 82%. With 23 mm (0.9 in) of precipitation over about four days, the month often feels mild and damp. In contrast, March offers a warmer climate with minimum temperatures of 4°C (39°F) and an average of 18°C (65°F), reaching a maximum of 35°C (95°F). Although it has slightly more precipitation at 29 mm (1.2 in) over three days, the humidity drops to 67%, contributing to a more comfortable atmosphere. For more details on the weather in March, visit Scottsdale weather in March.
December and April present distinctly different weather patterns. In December, temperatures can range from a chilly 0°C (32°F) at night to a comfortable 28°C (83°F) during the day, with an average of 13°C (55°F). The month experiences about 23 mm (0.9 in) of precipitation spread over four days, accompanied by high humidity levels of 82%. In stark contrast, April showcases warmer conditions, with minimum temperatures around 8°C (47°F) and maximums soaring to 39°C (103°F), averaging 24°C (75°F). Additionally, April is much drier, with only 1 mm (0.1 in) of precipitation and zero rainy days, resulting in a lower humidity of 55%. For more details on April weather, you can visit Scottsdale weather in April.
December and May present a stark contrast in weather conditions. In December, temperatures range from a chilly minimum of 0°C (32°F) to an average of 13°C (55°F), reaching a maximum of 28°C (83°F). The month experiences about 23 mm (0.9 in) of precipitation over four days, accompanied by relatively high humidity at 82%. In contrast, May basks in warmer temperatures, with a minimum of 13°C (55°F), an average of 28°C (82°F), and highs that can soar up to a scorching 43°C (109°F). Notably, May records only 2 mm (0.1 in) of precipitation across the month, with no rainy days and a much lower humidity level of 40%. For more detailed insights, visit Scottsdale weather in May.
December and June present starkly contrasting weather conditions. In December, temperatures range from a chilly minimum of 0°C (32°F) to a warm maximum of 28°C (83°F), with an average of 13°C (55°F). The month sees about 23 mm (0.9 in) of precipitation over four days, and the humidity is quite high at 82%, making the air feel damp and cool. In contrast, June boasts a much hotter climate, with temperatures starting at a minimum of 19°C (66°F) and soaring to a scorching maximum of 48°C (119°F), averaging around 34°C (93°F). Notably, June experiences minimal rainfall, with just 2 mm (0.1 in) and no rainy days, coupled with a significantly lower humidity level of 33%. For more detailed information, you can check out Scottsdale weather in June.
December and July present quite contrasting weather conditions. In December, temperatures vary from a chilly 0°C (32°F) at night to a comfortable average of 13°C (55°F), with peaks reaching 28°C (83°F). The month experiences moderate precipitation, totaling 23 mm (0.9 in) over 4 days, and is characterized by high humidity at 82%. In stark contrast, July is much hotter, with minimum temperatures starting at 23°C (74°F) and averaging around 35°C (95°F), peaking dramatically at 47°C (118°F). Although July has a higher total precipitation of 37 mm (1.4 in) across 6 days, the humidity is significantly lower at 34%. For more details, you can check Scottsdale weather in July.
The weather in December and August presents a stark contrast in temperature and humidity. December experiences milder conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 28°C (83°F) and an average of 13°C (55°F). The month sees relatively low precipitation, totaling 23 mm (0.9 in) over about 4 days, accompanied by high humidity levels of 82%. In contrast, August boasts significantly warmer temperatures, ranging from a minimum of 22°C (73°F) to a scorching maximum of 47°C (116°F), with an average temperature of 35°C (95°F). The month receives slightly more precipitation at 39 mm (1.5 in) over 5 days, but the humidity is much lower at 48%. For more detailed insights into the weather during this summer month, you can check out Scottsdale weather in August.
When comparing the weather in December and September, notable differences emerge. December experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 13°C (55°F), while September boasts much warmer conditions, with temperatures reaching a minimum of 13°C (56°F) and averaging 32°C (89°F), peaking at a scorching 45°C (113°F). Precipitation levels are relatively similar, with December receiving 23 mm (0.9 in) over four days and September slightly wetter at 27 mm (1.1 in) over just three days. Furthermore, December has a higher humidity level at 82%, compared to September's 64%. For more details about September's weather, check out Scottsdale weather in September.
When comparing the weather in December and October, notable differences emerge in temperature and humidity. December typically sees lower temperatures, with a minimum of 0°C (32°F) and an average of 13°C (55°F), compared to October's milder conditions, where temperatures range from a minimum of 7°C (45°F) to an average of 24°C (76°F). Additionally, October reaches a maximum of 41°C (105°F), significantly higher than December's maximum of 28°C (83°F). Precipitation levels are relatively similar, with December receiving 23 mm (0.9 in) over four days and October seeing slightly more at 26 mm (1.0 in) over just two days. The humidity in December also increases to 82%, contrasting with October's lower humidity of 67%. For more insights on October weather, you can check Scottsdale weather in October.
In December, temperatures reflect a cooler trend with minimums dropping to 0°C (32°F) and average highs reaching 28°C (83°F), while November experiences milder conditions, with minimums at 5°C (41°F) and maximums soaring up to 36°C (97°F). Precipitation is slightly higher in December, with 23 mm (0.9 in) over 4 days, compared to just 21 mm (0.8 in) over a single day in November. Humidity also sees a notable increase in December, averaging 82% compared to November's 77%. For a detailed overview of November weather patterns, you can check Scottsdale weather in November.
December in Scottsdale ushers in a refreshing contrast to the warmer months, with cooler temperatures that invite cozy outdoor activities. While daytime highs can reach a pleasant 28°C (83°F), the nights dip down to a chilly 0°C (32°F), creating a unique climate that balances warmth and briskness. With an average humidity of 82% and only a few rainy days bringing a total of 23 mm of precipitation, December strikes a charming balance of dry and moist conditions. Whether you're strolling through illuminated streets or enjoying the mild sunshine, the weather this month makes Scottsdale a delightful winter retreat. For more insights on what to expect throughout the year, visit Scottsdale Climate.