Last updated: August 31, 2025
In Rustaq, Oman, December brings a delightful blend of cooler temperatures and a hint of moisture. With maximum temperatures peaking at 31°C (89°F) and averaging around 21°C (70°F), the weather is quite pleasant for outdoor activities. Nighttime temperatures can dip to a refreshing 12°C (53°F), providing a comfortable respite from the daytime warmth. December sees minimal rainfall, with only 13 mm (0.5 in) recorded over just one day, making it an ideal time for exploration. The humidity level remains moderate at 45%, contributing to a crisp and invigorating atmosphere perfect for enjoying the scenic beauty of the region.
In December, Rustaq, Oman, experiences a pleasant shift in temperatures as the year draws to a close. With minimums around 12°C (53°F), the cooler nights provide a refreshing contrast to the daytime warmth, which peaks at 31°C (89°F). The average temperature hovers around 21°C (70°F), making it a comfortable time for both locals and visitors to explore the stunning landscapes that this region has to offer. As the temperatures gradually decline from the intense heat of summer months, December marks a brief respite, inviting outdoor enthusiasts to enjoy the mild climate before the winter chill sets in.
December marks a notable shift in Rustaq, Oman’s precipitation patterns, with 13 mm (0.5 in) of rain recorded over the month, making it the wettest month of the year. This increase in precipitation comes after a dry stretch during the summer months, where rainfall was virtually absent from June through September. The one day of rainfall in December offers a refreshing end to the year, contrasting with the minimal precipitation seen in previous months like July and August. As the season transitions, this uptick hints at the upcoming cooler months, where the landscape starts to revive from the arid summer heat, ultimately enriching the region's natural beauty.
In December, Rustaq, Oman experiences a notable increase in humidity, reaching 45%. This surge marks a seasonal shift, following the gradual rise from 41% in January to 44% in November. As temperatures cool towards the end of the year, the humidity levels reflect a transition from the drier months of April and June, which sees lows of just 19%. Interestingly, humidity begins to climb again after the arid summer months, peaking in December, highlighting the region's shift towards a more humid climate during the winter season. This pattern illustrates the region's unique climatic characteristics, where the year ends on a notably damp note.
In December, Rustaq experiences a UV Index of 6, categorized as high, indicating that although the sun's rays are strong, the risk of harm from unprotected sun exposure is moderate. This month marks a slight decline from the extreme levels seen in the peak summer months, where indices frequently soared to 11 or 13, necessitating minimal burn times of just 10 minutes. As the year closes, the average burn time extends to 25 minutes, offering a bit more leeway for outdoor activities. This pattern highlights a gradual reduction in UV intensity as winter approaches, making December a more comfortable time for sun-seekers. For detailed insights on the UV Index trends throughout the year, visit Rustaq UV Index.
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In Rustaq, Oman, December shines with an average of 310 hours of sunshine, mirroring the warmth of the previous month. As the year closes, the sunlight tends to stabilize, transitioning from November's 310 hours to December's consistent glow. This period follows the peak sunshine of May and June, where hours exceeded 360, creating a vivid contrast with the cooler months that boast less daylight. The gradual decrease in sunshine from these heights signals the approach of winter, yet December remains a bright highlight, inviting both locals and visitors to bask in its gentle sun as the year comes to a close. The overall trend underscores Rustaq's splendid climate, where ample sunshine defines its seasonal rhythm.
In Rustaq, Oman, December brings a 76% chance of sunny weather, marking a slight dip from the previous month, which boasts a much higher 94% likelihood of sunshine. This trend reflects the gradual transition towards the cooler winter months, where sunny days become less predictable. However, December still maintains a solid chance for those seeking sunlight, making it a favorable time for outdoor activities. The peak sunny months, such as June and January, with their impressive 99% and 98% chances, highlight Rustaq's overall reputation for bright and sunny weather throughout the year, even as December brings in a refreshing chill alongside its moderate sunshine.
In Rustaq, Oman, the daylight duration exhibits a fascinating ebb and flow throughout the year. Starting with 10 hours in January, the sunlight gradually increases, peaking at 13 hours from May to July. This mid-year brightness invites outdoor activities and vibrant life in the region. As summer fades, the daylight begins to wane, returning to 12 hours in August and September, before dropping back to 11 hours in October and November. Finally, December marks a return to 10 hours of daylight, rounding out the year with a gentle reminder of the cyclical nature of time and light in this captivating locale. The seamless transitions between longer and shorter days create a rhythm that resonates with the local lifestyle and culture.
In Rustaq, Oman, December brings a gentle breeze, with average wind speeds dipping to 1.9 m/s (4 mph), marking the year's lowest point. This subtle decline from 2.1 m/s in November underscores a trend of waning winds as winter approaches. Throughout the year, wind speeds gradually increased from a calm 2.0 m/s in January to a peak of 2.6 m/s in May, before experiencing a gradual decline in the latter half. The shift showcases a dynamic weather pattern, where the once brisk winds of summer give way to the tranquil, cooler gusts of winter, creating a serene atmosphere in this beautiful region.
Weather in Rustaq varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rustaq, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures range from a minimum of 12°C (53°F) to a maximum of 31°C (89°F), with an average of 21°C (70°F). The month experiences only one day of precipitation, totaling 13 mm (0.5 in), and maintains a humidity level of 45%. In contrast, January sees slightly cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 30°C (86°F), averaging around 20°C (68°F). Precipitation decreases to 9 mm (0.4 in) over two days, and humidity drops slightly to 41%. For more details on the weather in January, visit Rustaq weather in January.
December and February both showcase mild winter weather, though there are some notable differences. In December, temperatures range from a minimum of 12°C (53°F) to a maximum of 31°C (89°F), with an average of 21°C (70°F). The month sees limited rainfall, with just 13 mm (0.5 in) over one day and humidity at 45%. In contrast, February tends to be slightly cooler, with minimum temperatures dropping to 9°C (49°F) and a maximum of 33°C (92°F), while still averaging around 21°C (71°F). Precipitation decreases slightly to 10 mm (0.4 in) over one day, and humidity drops to 31%. For more detailed weather information, you can refer to Rustaq weather in February.
In December, the weather is generally milder, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 31°C (89°F), and an average of 21°C (70°F). The month sees low precipitation, with only 13 mm (0.5 in) across just one day, and the humidity sits around 45%. In contrast, March experiences warmer conditions, with a minimum temperature of 15°C (59°F) and a maximum reaching up to 38°C (101°F), averaging 25°C (78°F). Precipitation decreases slightly to 8 mm (0.3 in) on just one day, while humidity drops to a more comfortable 21%. For more details on March weather specifics, you can visit Rustaq weather in March.
December and April present distinctly different weather patterns. In December, temperatures range from a mild minimum of 12°C (53°F) to an average of 21°C (70°F), peaking at a comfortable 31°C (89°F). The month sees minimal precipitation, with just 13 mm (0.5 in) falling over one day, and humidity levels averaging around 45%. Conversely, April brings significantly warmer conditions, with minimum temperatures starting at 20°C (68°F) and peaking at an impressive maximum of 41°C (107°F). Although precipitation remains low at 5 mm (0.2 in) over one day, the humidity drops to a mere 19%, contributing to the heat. For more detailed information, you can visit Rustaq weather in April.
In December, the weather maintains a milder climate with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 31°C (89°F) and an average of 21°C (70°F). The precipitation is relatively low, with only 13 mm (0.5 in) over just one day, and humidity levels sit at a comfortable 45%. In contrast, May brings a significant increase in temperature, with a minimum of 24°C (76°F) and soaring highs of 46°C (115°F), averaging 34°C (93°F). Although precipitation decreases to 7 mm (0.3 in) over two days, the humidity drops to a more arid 22%. For a closer look at Rustaq's weather patterns during May, you can visit Rustaq weather in May.
December and June present stark contrasts in weather conditions. In December, temperatures range from a mild 12°C (53°F) at night to a comfortable 31°C (89°F) during the day, with an average of 21°C (70°F). This month sees minimal precipitation, with only 13 mm (0.5 in) over the course of just one day and a humidity level of 45%. In contrast, June brings an intense heat wave, with temperatures soaring from a warm 29°C (84°F) at night to an extreme high of 46°C (116°F) during the day, averaging a sweltering 36°C (98°F). Remarkably, June experiences no rainfall at all, with humidity dropping to just 17%. For more detailed information about Rustaq's weather in June, visit Rustaq weather in June.
When comparing the weather in December and July, it's evident that July experiences significantly higher temperatures, with average highs reaching up to 45°C (113°F) compared to December's maximum of 31°C (89°F). Additionally, the humidity levels in July are notably lower at 19%, while December boasts a more comfortable 45% humidity. Precipitation is minimal in both months, with July reporting no rainfall and December only experiencing one day of rain with a total of 13 mm (0.5 in). For more detailed insights on Rustaq's July weather, you can refer to this link: Rustaq weather in July.
In comparing the weather between December and August, significant differences emerge. December experiences milder temperatures with a minimum of 12°C (53°F) and an average of 21°C (70°F), peaking at 31°C (89°F), accompanied by relatively low humidity at 45% and minimal precipitation. In contrast, August is notably hotter, featuring a minimum of 27°C (81°F) and an average of 34°C (94°F), soaring up to a scorching maximum of 44°C (111°F), with extremely low humidity at only 23% and virtually no rainfall. The drastic shift in temperature and humidity levels between these two months highlights the stark seasonal differences. For more details, you can check Rustaq weather in August.
In December, the weather is much cooler compared to September, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 31°C (89°F), and an average of 21°C (70°F). December experiences a slight amount of precipitation at 13 mm (0.5 in) over only one day, and the humidity is relatively moderate at 45%. In contrast, September boasts much higher temperatures, with a minimum of 25°C (77°F) and reaching up to 42°C (108°F), averaging 33°C (91°F). This month is characterized by dryness, receiving no precipitation at all and a lower humidity level of 25%. For more details, you can check Rustaq weather in September.
In comparing the weather between December and October, we can see some notable differences. December offers a milder climate with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 31°C (89°F), while October boasts warmer temperatures, with a minimum of 19°C (67°F) and reaching highs of 39°C (102°F). October also enjoys less humidity at 35%, compared to December's 45%. Additionally, December experiences slightly more precipitation at 13 mm (0.5 in) over just one day, while October has 9 mm (0.4 in) with no recorded rainy days. For more detailed information, you can check Rustaq weather in October.
In comparing the weather between November and December, we see a notable shift in temperatures and precipitation. December experiences slightly cooler temperatures with a minimum of 12°C (53°F) and an average of 21°C (70°F), compared to November's warmer minimum of 15°C (60°F) and average of 24°C (76°F). While December has a maximum temperature of 31°C (89°F), November peaks at a higher 33°C (92°F). Precipitation is also slightly higher in December with 13 mm (0.5 in) over one day, compared to November's 8 mm (0.3 in) for the same duration. Humidity remains relatively stable, with December at 45% and November at 44%. For more detailed weather information about November, you can check Rustaq weather in November.
As December arrives in Rustaq, the weather showcases a gentle transition, characterized by milder temperatures compared to the heat of preceding months. With maximums rarely exceeding the warm embrace of 31°C (89°F) and averaging a comfortable 21°C (70°F), outdoor activities become more pleasurable. This month also brings a refreshing hint of moisture, with mild precipitation and a notable reduction in humidity at 45%, offering a welcome respite from the lingering aridity of summer. The single day of rainfall adds a touch of seasonal charm, making December a delightful time to experience the beauty of Rustaq. For a deeper understanding of the region's climate throughout the year, visit Rustaq Climate.