Last updated: August 31, 2025
December in Riyadh, Saudi Arabia offers a delightful contrast to the intense summer heat, with temperatures ranging from a maximum of 29°C (85°F) to a refreshing minimum of 3°C (38°F). The average temperature hovers around a comfortable 17°C (62°F), making it an ideal time for outdoor activities. Visitors can expect minimal rain, with only 6 mm (0.2 in) falling over a single day, while relative humidity remains moderate at 46%. This combination of mild weather and low precipitation creates a pleasant environment for both locals and travelers alike to explore the vibrant city.
In December, Riyadh experiences a slight shift in temperatures as the city transitions into cooler winter months. The minimum temperature hovers around 3°C (38°F), while the average settles at a comfortable 17°C (62°F), providing a pleasant reprieve from the searing heat of previous months. Daytime warmth can reach up to 29°C (85°F), which feels ideal for those looking to explore the vibrant city. This month exhibits a significant drop compared to October’s highs, clearly marking the onset of winter. With evenings cooling off and daytime temperatures remaining mild, December in Riyadh offers an inviting climate for both residents and visitors alike, presenting a perfect backdrop for outdoor activities without the sweltering heat.
In Riyadh, Saudi Arabia, December marks a small rise in precipitation, with the city receiving an average of 6 mm (0.2 in) of rain over just one day. This slight increase follows a relatively dry spell from June to October, underscoring the region's arid climate. The trend of minimal rainfall continues from November, which recorded 9 mm, hinting at a pattern where cooler months occasionally provide brief moments of respite from the dry season. As the year concludes, December's precipitation offers a rare glimpse of wet weather, but still falls short compared to more temperate regions, solidifying Riyadh's status as an oasis of resilience in the heart of a desert landscape.
In December, Riyadh experiences a notable rise in humidity, reaching 46%, which marks a significant increase compared to the drier summer months where levels plummet as low as 13% in July. This seasonal fluctuation highlights the stark contrast between Riyadh's arid climate and the cooler months when humidity levels begin to creep back up, particularly during November and December. As the year wraps up, the ambient moisture not only enhances the chill in the air but also sets a refreshing tone that contrasts sharply with the dry heat that characterizes the earlier months. Notably, this upward trend in December humidity often prepares residents for a more comfortable winter, providing a reprieve from the extreme dryness that dominates the summer season.
As December rolls in, Riyadh experiences a noticeable dip in UV intensity, with the UV Index settling at 6, categorizing exposure as high. This marks a shift from the extreme levels seen in the sweltering summer months, where October registered a high of 9 and May peaked at 12. December's burn time extends back to 25 minutes, similar to November, reflecting a gentler sun that encourages outdoor activities without the heaviness of extreme UV radiation. It's an ideal time to enjoy the mild weather while remaining mindful of sun exposure. For more insights on UV levels throughout the year, visit Riyadh UV Index.
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In Riyadh, Saudi Arabia, December brings a delightful continuation of the region's abundant sunshine, boasting an impressive 296 hours of bright daylight. This month seamlessly transitions from the peak sunshine of summer months, where June and July each enjoy a remarkable 365 and 376 hours, respectively. As the year winds down, the hours of sunlight gradually decrease, with December showing resilience by maintaining a competitive total, slightly above November's 294 hours. This trend highlights Riyadh's reputation for extended periods of sunshine throughout the year, making it an attractive destination for sun-seekers even in the cooler months.
In December, Riyadh experiences a significant dip in the likelihood of sunny weather, with a 52% chance of sunshine marking the month as one of the cloudier periods of the year. This contrasts sharply with the consistently high probabilities seen in the warmer months, where sunlit days easily surpass 90% in June and September. As the year progresses towards winter, we observe a gradual decline in sunshine, with November still holding a favorable 95% chance, yet December reveals a clearer shift as the region embraces cooler temperatures and increased cloud cover. Despite the drop, December's sun can still find its way through the clouds, offering residents and visitors occasional bright moments to enjoy.
In Riyadh, Saudi Arabia, December brings a return to shorter days with just 10 hours of daylight, mirroring the daylight duration seen in January and November. This pattern hints at a consistent seasonal cycle where daylight gradually increases from February to May, peaking at 13 hours in the summer months of June through August. As the year winds down, daylight hours taper off again, settling at 10 hours by the end of the year. This rhythm showcases Riyadh's distinct climate shifts, with a clear transition from the longer, sun-filled days of spring and summer to the shorter, cooler days of winter.
As the year winds down, December in Riyadh brings a gentle embrace of breezes averaging 3.6 m/s (8 mph). This month showcases a slight uptick in wind speed compared to the preceding months of November and October, both hovering at 3.3 m/s (7 mph). December's winds resonate with a rhythmic consistency that echoes the patterns established earlier in the year—particularly June and March, where winds reached higher averages. Interestingly, the month finds itself nestled between the calmer tones of fall and the lively gusts of summer, offering a perfect balance that enhances the crisp winter air. This transitional wind pattern not only offers a refreshing respite but also hints at the shifting seasons, making December a delightful time for those enjoying Riyadh's outdoor landscapes.
Weather in Riyadh varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Riyadh, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January present slight variations in the weather patterns, with both months experiencing mild temperatures. In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 29°C (85°F), with an average of 17°C (62°F), while January sees a slightly cooler range, with temperatures varying from 2°C (36°F) to 30°C (86°F) and an average of 15°C (60°F). Precipitation is minimal in both months, with December recording 6 mm (0.2 in) on just one day, compared to January’s even drier conditions with only 4 mm (0.2 in) and no rainfall throughout the month. Additionally, humidity is lower in January at 41% compared to December's 46%. For a more detailed look at the weather in January, you can visit Riyadh weather in January.
In December, temperatures in Riyadh range from a minimum of 3°C (38°F) to a maximum of 29°C (85°F), with an average temperature of 17°C (62°F). The month experiences minimal precipitation, with only 6 mm (0.2 in) falling over just one day, and humidity levels are around 46%. In contrast, February sees a wider temperature range, with a minimum of -1°C (31°F) and a maximum of 35°C (95°F). Although the average temperature remains similar at 17°C (63°F), February has significantly more rainfall at 14 mm (0.6 in) over three days and lower humidity at 29%. The contrasting weather patterns highlight the transition from the mild and relatively dry December to a more variable February. For more detailed information, you can check Riyadh weather in February.
December and March present distinctly different weather patterns. December experiences a milder temperature range with a minimum of 3°C (38°F) and an average of 17°C (62°F), peaking at 29°C (85°F) and featuring 6 mm (0.2 in) of precipitation over just one day, accompanied by a humidity level of 46%. In contrast, March sees warmer conditions, with temperatures starting at a minimum of 7°C (46°F) and averaging 22°C (73°F), soaring to a maximum of 38°C (101°F). The precipitation in March is slightly lower at 5 mm (0.2 in), but it maintains a drier atmosphere with a humidity level of just 29%. For more details on the climate, check out Riyadh weather in March.
When comparing December and April weather, December offers milder temperatures with a minimum of 3°C (38°F) and an average high of 29°C (85°F), while April sees a significant increase in warmth, with minimum temperatures starting at 14°C (57°F) and maximums soaring to 40°C (104°F). December experiences minimal precipitation, averaging just 6 mm (0.2 in) over 1 day, while April has slightly higher rainfall at 10 mm (0.4 in) over 2 days. Additionally, humidity levels are relatively higher in December at 46%, compared to April's drier conditions at 33%. For a more detailed look at April's climate, check out Riyadh weather in April.
In December, the weather in Riyadh is mild, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 29°C (85°F), creating a pleasant average of 17°C (62°F). The month experiences minimal precipitation, with only 6 mm (0.2 in) over just 1 day, and humidity at a moderate 46%. In contrast, May brings much warmer conditions, with temperatures soaring from a minimum of 20°C (67°F) to a blistering maximum of 44°C (112°F), resulting in a sizzling average of 33°C (91°F). May is notably dry, receiving only 3 mm (0.1 in) of rainfall throughout the month, and lower humidity at 27%. For more detailed information, you can check out Riyadh weather in May.
In December, the weather in Riyadh offers a much cooler climate, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 29°C (85°F), and an average of 17°C (62°F). It experiences slight rainfall, with just 6 mm over one day, and a moderate humidity level of 46%. In contrast, June brings scorching heat, with minimum temperatures starting at 25°C (77°F) and soaring up to a sweltering maximum of 46°C (116°F), averaging 36°C (98°F). Remarkably, June sees no precipitation and low humidity at 19%. For further details, check out Riyadh weather in June.
In December, the weather in Riyadh is mild, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 29°C (85°F) and an average of 17°C (62°F). The month sees minimal precipitation, with just 6 mm over one day and a humidity level of 46%. In stark contrast, July features extreme heat, with temperatures soaring from a minimum of 27°C (81°F) to a blistering maximum of 47°C (117°F), and an average temperature of 38°C (100°F). This month is dry, recording no rainfall and a low humidity level of 13%. For a detailed look at July's weather, you can check out Riyadh weather in July.
The weather in December is notably milder compared to the intense heat of August. In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 29°C (85°F), with an average of 17°C (62°F) and only 6 mm of precipitation across just one day. Humidity levels are around 46%, contributing to a more comfortable feel. Conversely, August is scorching, with temperatures soaring from a minimum of 26°C (78°F) to a blistering maximum of 47°C (117°F), averaging 37°C (99°F). There is no recorded precipitation during the month, and humidity drops to a mere 15%. For a detailed look at the conditions, visit Riyadh weather in August.
In comparing December and September weather in Riyadh, the contrast is striking. December experiences cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 29°C (85°F), while September boasts much warmer conditions, ranging from a minimum of 21°C (70°F) to a sweltering maximum of 45°C (113°F). Precipitation is minimal in December, with only 6 mm (0.2 in) across just one day, whereas September remains entirely dry with no recorded precipitation. Additionally, humidity levels differ significantly; December has a humidity level of 46%, while September's humidity is notably lower at 18%. For more detailed insights, check out the information on Riyadh weather in September.
December weather is significantly cooler compared to October, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 29°C (85°F), while October sees much higher averages, with minimums of 15°C (60°F) and maximums reaching 41°C (105°F). Additionally, December experiences a slight amount of precipitation (6 mm over 1 day), in contrast to the completely dry October, which receives only 1 mm across 0 days. The humidity levels are also higher in December at 46%, compared to the drier October, which has a humidity of just 28%. For more details, visit Riyadh weather in October.
In December, the weather in the region shows a noticeable shift compared to November. The minimum temperature drops to 3°C (38°F), while the average temperature is significantly lower at 17°C (62°F), and the maximum temperature reaches 29°C (85°F). In contrast, November offers milder conditions, with a minimum of 6°C (44°F), an average of 22°C (71°F), and a peak of 35°C (95°F). Additionally, December experiences less precipitation, with only 6 mm (0.2 in) over 1 day, while November sees 9 mm (0.3 in) across 2 days. Humidity levels remain fairly consistent, with December at 46% compared to November's 43%. For a closer look at November's climate details, check out Riyadh weather in November.
As December settles over Riyadh, the city experiences a delightful change from the sweltering heat of summer months. Daytime temperatures are pleasantly warm, averaging around 17°C, providing a refreshing reprieve from the often scorching extremes of earlier months. With a mere 6 mm of precipitation typically spread over just a day, the humidity remains at a comfortable 46%, making it an ideal time for outdoor activities. This month serves as a perfect bridge into the cooler winter season, inviting both residents and visitors to enjoy the pleasant climate. For a deeper understanding of how December fits into Riyadh's overall weather patterns, explore more at Riyadh Climate.