Last updated: February 24, 2025
In December, Saint George experiences a distinct winter chill, with temperatures ranging from a maximum of 20°C (68°F) to a brisk minimum of -8°C (18°F) and an average of 5°C (41°F). This month is characterized by an 80% humidity level, enhancing the crispness of the air. While residents and visitors enjoy the picturesque winter landscapes, they should be prepared for occasional precipitation, totaling around 29 mm (1.2 in) over 5 days. The blend of moderate temperatures and a touch of moisture creates a unique atmosphere, perfect for winter activities and cozy indoor gatherings alike.
In Saint George, United States, December marks a noticeable shift as temperatures begin to dip into the colder side of the scale. With nightly lows averaging around -8°C (18°F), the month paints a chilly backdrop against the holiday season. The daytime feels milder, with an average temperature of 5°C (41°F) and highs reaching up to 20°C (68°F), offering a stark contrast that evinces the region's climatic transition from autumn to winter. This seasonal fluctuation not only brings a crispness to the air but also highlights the gradual decline in temperatures as the year draws to a close, setting the stage for the colder months ahead.
In December, Saint George experiences a modest precipitation total of 29 mm (1.2 in), spread over approximately 5 days. This slight uptick in rainfall as the year closes contrasts with the drier months that preceded it, particularly June, which recorded no precipitation at all. The trends reveal a clear pattern where the colder months—especially from November to March—tend to gather more moisture, peaking in March with 51 mm (2.0 in). While December remains relatively low compared to peak months, it marks an important transition as the region prepares for the wetter winter ahead.
In December, Saint George experiences a notable rise in humidity, returning to 80%, reminiscent of the more humid winter months at the beginning of the year. Following a trend of declining humidity from the early spring through mid-summer, when levels dropped to a low of 30% in July, the area sees a gradual increase as autumn approaches. November brings a significant uptick to 77%, setting the stage for December's slight rise. This seasonal shift marks a transition back to the more humid conditions typical of the winter months, providing a refreshing change as residents embrace the cooler temperatures.
As December rolls into Saint George, residents can expect a moderate UV Index of 4, with a burn time of approximately 30 minutes for unprotected skin. This slight decrease in UV exposure marks the end of a year that saw the index peak at an extreme 12 during the summer months, particularly in June and July. Throughout the year, the UV Index showcased a clear trend: values generally rise from winter into summer, significantly increasing risk levels and decreasing safe exposure durations. However, as winter progresses, the UV Index dips back down, providing a welcome reprieve before the cycle begins anew. For comprehensive details on seasonal UV trends, check out Saint George UV Index.
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As the year draws to a close, December in Saint George offers a warm embrace with 218 hours of sunshine, though somewhat less than the vibrant heights reached during the summer months. The trend here shows a gradual transition from the brighter days of summer, peaking in June and July with nearly 385 hours, to the relatively cooler, shorter days of winter. Despite this decline, December still radiates warmth, making it a perfect time to appreciate the beautiful clear skies that have defined the year. The steady decrease in sunlight from the year's peak serves to highlight the breathtaking desert landscape, inviting residents and visitors alike to bask in one last glimmer of sunlight before the New Year arrives.
December in Saint George brings a 54% chance of sunny weather, mirroring the sun probabilities seen in January and July. As the year progresses through the spring and into late summer, the likelihood of sunshine peaks in May and September at 82% and 85% respectively, suggesting a trend of warmer, sunnier days as the seasons change. However, as winter sets in, the chances of sunshine taper off, resting at a level that reflects the cooler months. Despite the dip, December still enjoys a fair share of sunshine, offering a pleasant contrast to the harsher winters found in other regions.
As December rolls in, Saint George experiences a return to shorter days, with only 9 hours of daylight. This marks a decline from the noticeably longer periods seen in the preceding months, peaking at 14 hours during the summer. Following the gradual increase from 10 hours in November and the steady build-up from the winter solstice, December's daylight mirrors the trend of diminishing sunlight as the year draws to a close. Yet, this seasonal rhythm invites the charm of cozy evenings and vibrant holiday festivities, reminding us that each reduction in daylight paves the way for the beauty of winter.
As December breezes into Saint George, the wind carries a gentle touch, averaging 2.0 m/s (4 mph). This slight increase from November’s calm winds reflects a trend towards a more consistent airflow during the cooler months. While earlier months like April and May saw a peak in wind speed at 2.6 m/s (6 mph), December’s conditions offer a mild reprieve, maintaining a steady softness that invites comfort. Overall, the data hints at a seasonal rhythm, where the wind serves as a quiet companion, reminiscent of the subdued yet vibrant landscape typical of this time of year.
The weather in Saint George 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 Saint George and find detailed weather information for every month.
In December, temperatures in Saint George exhibit a range from a chilly minimum of -8°C (18°F) to a pleasant maximum of 20°C (68°F), with an average temperature of 5°C (41°F). The month sees relatively low precipitation, totaling 29 mm (1.2 in) over about five days, while humidity remains consistently high at 80%.
January, on the other hand, brings a slight dip in temperatures, with a minimum of -9°C (16°F) and a maximum of 18°C (64°F), maintaining a similar average of 5°C (40°F). Precipitation increases to 39 mm (1.6 in), also occurring over five days, while humidity remains steady at 80%. For further details on January weather in Saint George, visit Saint George weather in January.
In December, temperatures in Saint George typically range from a minimum of -8°C (18°F) to a maximum of 20°C (68°F), with an average temperature of around 5°C (41°F). The month sees about 29 mm (1.2 in) of precipitation over around 5 days, accompanied by a humidity level of 80%. In contrast, February experiences slightly colder temperatures, with a minimum of -9°C (16°F) and a maximum of 21°C (69°F), resulting in an average of 6°C (44°F). Precipitation increases to 38 mm (1.5 in) over approximately 6 days, and humidity rises marginally to 82%. For more detailed weather information, refer to Saint George weather in February.
When comparing the weather between December and March, we see notable differences in temperature and precipitation. December typically experiences a chillier climate, with average temperatures hovering around 5°C (41°F), and occasional lows of -8°C (18°F). In contrast, March brings milder conditions, with an average of 11°C (52°F) and maximum temperatures reaching up to 29°C (85°F). Precipitation is also higher in March, totaling 51 mm (2.0 in) over 9 days, compared to December's 29 mm (1.2 in) over 5 days. Additionally, March has a lower humidity level at 72%, while December maintains a higher humidity of 80%. For a detailed look at March weather, visit Saint George weather in March.
In December, temperatures can drop to a chilly minimum of -8°C (18°F), with an average of around 5°C (41°F) and a maximum reaching 20°C (68°F). The month typically sees about 29 mm (1.2 in) of precipitation over approximately 5 days, accompanied by a high humidity level of 80%. In contrast, April brings milder conditions, with minimum temperatures around -1°C (31°F) and an average high of 16°C (62°F), peaking at a warm 33°C (92°F). Precipitation decreases significantly to 14 mm (0.5 in), occurring over just 2 days, while humidity also drops to a more comfortable 62%. For more details on the weather in April, you can check Saint George weather in April.
December and May present stark contrasts in weather conditions. In December, temperatures can dip as low as -8°C (18°F) at night, with an average of 5°C (41°F) and a maximum temperature reaching 20°C (68°F). The month sees about 29 mm (1.2 in) of precipitation over five days, combined with high humidity levels around 80%. In contrast, May enjoys a mild climate with minimum temperatures starting at 4°C (40°F) and averaging a warm 21°C (70°F), potentially peaking at a blistering 38°C (100°F). Precipitation drops to 14 mm (0.6 in) across just three days, and humidity levels decrease significantly to about 45%. The differences between these months highlight the transition from winter chill to the warmth of spring. For more details, see Saint George weather in May.
The weather in December and June presents a stark contrast in Saint George. In December, temperatures range from a chilly minimum of -8°C (18°F) to a comfortable maximum of 20°C (68°F), with an average around 5°C (41°F). The month also sees about 29 mm (1.2 in) of precipitation over roughly five days, coupled with high humidity at 80%. In contrast, June boasts significantly warmer temperatures, with a minimum of 11°C (52°F) and a sizzling average high of 28°C (83°F) that can peak at an impressive 42°C (108°F). Additionally, June experiences minimal precipitation with just 1 mm (0.0 in) over no rainy days, resulting in much lower humidity at 34%. For a more detailed look at June weather in Saint George, check out Saint George weather in June.
December and July present strikingly contrasting weather conditions. In December, temperatures range from a chilly minimum of -8°C (18°F) to a mild maximum of 20°C (68°F), with an average of 5°C (41°F). The month experiences about 29 mm (1.2 in) of precipitation over approximately 5 days, accompanied by high humidity levels of 80%. In stark contrast, July boasts significantly warmer temperatures, with a minimum of 15°C (59°F), an average of 31°C (87°F), and a scorching maximum of 43°C (110°F). The month is relatively dry, recording only 18 mm (0.7 in) of precipitation over about 4 days, and the humidity drops to a comfortable 30%. For a closer look at July's weather specifics, check out Saint George weather in July.
The weather in December contrasts sharply with that of August. In December, temperatures range from a chilling minimum of -8°C (18°F) to a maximum of 20°C (68°F), with an average around 5°C (41°F). This month is characterized by higher humidity, reaching 80%, and experiences about 29 mm (1.2 in) of precipitation over five days. In stark comparison, August boasts much warmer temperatures with a minimum of 15°C (59°F) and soaring daytime highs of up to 42°C (108°F), leading to an average of 30°C (86°F). Precipitation is significantly lower during August, with only 11 mm (0.4 in) over just two days and much lower humidity at 31%. For more details on August weather, check out Saint George weather in August.
December and September present stark contrasts in weather characteristics. In December, temperatures can drop as low as -8°C (18°F), with an average of 5°C (41°F) and a maximum of 20°C (68°F). The month is relatively humid, with 80% humidity and about 29 mm (1.2 in) of precipitation spread over 5 days. In contrast, September enjoys milder temperatures, with a minimum of 6°C (43°F), an average of 25°C (77°F), and a scorching maximum of 41°C (107°F). It is also a much drier month, recording only 8 mm (0.3 in) of precipitation over just 1 day and featuring a lower humidity level of 47%. For more detailed information on September weather, check out Saint George weather in September.
December weather is notably colder compared to October, with average temperatures ranging from a minimum of -8°C (18°F) to a maximum of 20°C (68°F). In contrast, October enjoys a milder climate, with temperatures between -5°C (23°F) at night and a high of 34°C (93°F) during the day. Additionally, December sees more days of precipitation, averaging 29 mm (1.2 in) over 5 days, while October experiences less rainfall at 19 mm (0.8 in) but across only 2 days. The humidity level also increases considerably in December to 80%, compared to October's 62%. For more details on October weather specifically, you can check Saint George weather in October.
In comparing the weather of December and November, December is slightly colder, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 20°C (68°F), whereas November features a milder range with a minimum of -7°C (20°F) and a maximum of 27°C (81°F). Both months receive similar amounts of precipitation, with December at 29 mm (1.2 in) over 5 days, compared to November's 30 mm (1.2 in) over just 2 days. Humidity levels are slightly higher in December at 80%, compared to November's 77%. For more detailed weather information, you can check Saint George weather in November.
As December arrives in Saint George, the weather experiences a notable shift compared to the warmer months. With temperatures dipping to a minimum of -8°C (18°F) at night, the typical mildness of the area gives way to cooler days, often averaging around 5°C (41°F) during the day. Precipitation is relatively modest at just 29 mm (1.2 in) over five days, but the humidity remains high at 80%, adding a crispness to the air. If you're planning a visit during this month, be prepared for the invigorating chill that defines December, contrasting sharply with the summer heat. For more insights on what to expect throughout the year, check out Saint George Climate.