Last updated: August 31, 2025
In December, Nizwa, Oman experiences a delightful winter climate characterized by a maximum temperature of 31°C (88°F) and an average of 20°C (68°F). The nights can be quite cool, with temperatures dipping to a minimum of 11°C (53°F). The month sees minimal rainfall, with only 5 mm (0.2 in) of precipitation over just 1 day, allowing for plenty of clear, sunny days. Humidity levels hover around 45%, adding a pleasant touch to the crisp air. December is an ideal time to explore the vibrant culture and stunning landscapes of this historic city.
In December, Nizwa experiences a gentle transition into cooler weather, with temperatures reflecting the onset of winter in the region. The minimum temperature settles around 11°C (53°F), providing a refreshing chill, while the average temperature is a comfortable 20°C (68°F), ideal for outdoor exploration. As the month progresses, daily highs reach up to 31°C (88°F), making it a perfect time to enjoy the stunning landscapes and rich heritage without the oppressive heat of the peak summer months. This trend showcases a welcomed relief from the sweltering conditions earlier in the year, allowing visitors to fully embrace Nizwa's charm in a pleasant climate.
In Nizwa, Oman, December brings a modest precipitation total of 5 mm (0.2 in), with rain typically falling over just one day of the month. This marks a slight increase compared to the nearly dry months of November and February, which recorded no precipitation at all. Overall, the trend for December aligns with the generally low precipitation levels characteristic of the region, making it a quiet pause after the relatively wetter months of July and October. As the year draws to a close, the landscape remains predominantly arid, punctuated only by occasional showers that breathe life into the desert surroundings.
As the year winds down in Nizwa, Oman, December brings a notable increase in humidity, peaking at 45%—a significant rise from the drier months of summer. This upward trend marks a transition from the low humidity levels experienced earlier in the year, with April recorded at just 19%. Following a gradual increase during the fall months, from 35% in October to 44% in November, December's humidity level signals the onset of a cooler and more comfortable season. The climatic shift not only enhances the region's appeal but also sets a perfect backdrop for exploring the rich cultural heritage of Nizwa amidst the refreshing air.
In Nizwa, Oman, the UV Index exhibits notable trends as the year progresses. December sees a UV Index of 7, categorized as high, which aligns with the relatively cooler winter temperatures. This indicates a burn time of 25 minutes for unprotected skin, providing a safer window for outdoor activities compared to the extreme levels experienced during the summer months. From March to July, the UV Index reaches extreme levels, peaking at 13, with a dangerously short burn time of just 10 minutes. As the year transitions into autumn, the index gradually decreases, dropping to 8 in November and then further to 7 in December, making the end of the year a more manageable time for sun exposure. For more detailed insights on UV exposure in Nizwa throughout the year, visit Nizwa UV Index.
UV Risk Categories
In December, Nizwa, Oman, enjoys a delightful 311 hours of sunshine, marking the end of a year filled with abundant light. This month reflects a trend of steady brightness that starts with 254 hours in January and gradually ascends to a peak in May. As the temperatures begin to drop in winter, the sunlight remains generous, providing a warm contrast to the cooler air. Interestingly, the sunshine hours in December aren't far from the 310 hours seen in November, showcasing the region’s consistent glow even as the year transitions into the holiday season. The overall pattern reveals that, while the summer months offer the greatest quantity of sunlight, the winter still maintains a captivating allure, making Nizwa an inviting destination year-round.
In Nizwa, Oman, the likelihood of experiencing sunny weather in December stands at 72%, showcasing a trend of moderate sun exposure as the year comes to a close. While December offers a favorable chance of clear skies, it is slightly lower compared to the preceding months, notably November, which boasts a robust 92% chance of sunshine. As the seasons transition from the intense summer heat to the milder winter, the sunny probabilities fluctuate, with January kicking off the year with a striking 97% chance of sunny days. This pattern underscores a generally favorable climate in Nizwa, making December a pleasant time to visit, even if the sun isn't quite as prevalent as in earlier months.
In Nizwa, Oman, daylight duration undergoes a fascinating annual cycle, peaking during the warmer months. Starting the year with 10 hours of daylight in January, the duration gradually increases, reaching 13 hours in both May and June as the region embraces the height of summer. Following this zenith, daylight begins to wane, with a subtle decline back to 12 hours in August and September. As autumn approaches, the days shorten further, settling back to 10 hours by December. This rhythmic dance of light illustrates the interplay between seasonal changes and the region's climate, offering residents a predictable yet dynamic experience of day and night throughout the year.
As December arrives in Nizwa, Oman, the winds gently taper off to an average speed of 1.6 m/s (4 mph), marking a subtle decline from the more blustery months earlier in the year. This trend of diminishing wind speeds becomes apparent as the year progresses, with a gradual decrease from 2.3 m/s in spring to this month's calmer breezes. The winter months are characterized by a consistent tranquility, making December a serene time to experience the beauty of the region, where the soft whispers of the wind contrast with the rugged landscapes. This lull invites both residents and visitors to savor the last vestiges of the year, surrounded by Nizwa's stunning scenery.
Weather in Nizwa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nizwa, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between December and January, December experiences slightly warmer temperatures, with a minimum of 11°C (53°F) and an average of 20°C (68°F), while January sees a cooler minimum of 7°C (45°F) and a similar average of 19°C (66°F). Both months have a maximum temperature close to 30°C, but December edges out with a peak of 31°C (88°F) compared to January's 30°C (86°F). Precipitation is slightly higher in January at 7 mm (0.3 in), compared to December's 5 mm (0.2 in), although both months experience just one day of rain. Additionally, humidity levels are similar, with December at 45% and January at 41%. For more details on specific conditions, you can check Nizwa weather in January.
In December, the weather features a minimum temperature of 11°C (53°F) and an average of 20°C (68°F), peaking at a maximum of 31°C (88°F). This month sees a slight amount of precipitation, with around 5 mm (0.2 in) expected over one day and humidity levels at 45%. In contrast, February experiences cooler nights, with a minimum temperature of 6°C (44°F) and a slightly higher average of 21°C (70°F). The maximum temperature remains the same at 31°C (88°F), but February boasts even drier conditions, with only 3 mm (0.1 in) of precipitation and no rainy days. Additionally, humidity dips to just 31%. For a more detailed view, you can check Nizwa weather in February.
In December, the weather displays a warm range with temperatures fluctuating between a minimum of 11°C (53°F) and a maximum of 31°C (88°F), coupled with relatively low humidity at 45%. Precipitation is minimal, with only 5 mm (0.2 in) of rainfall over just one day. In contrast, March features slightly higher minimum temperatures at 12°C (53°F) and an impressive maximum of 37°C (99°F), making it warmer overall with an average of 24°C (76°F). Despite experiencing slightly more precipitation at 7 mm (0.3 in) over the same one day, March has much lower humidity at 21%. For more detailed insights on the weather during this month, visit Nizwa weather in March.
In December, the weather is relatively mild, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 31°C (88°F) and an average of 20°C (68°F). With only 5 mm (0.2 in) of precipitation over a single day and humidity at 45%, it offers a pleasant climate. In contrast, April sees significantly warmer conditions, with temperatures soaring between 16°C (62°F) and 38°C (100°F), averaging 29°C (85°F). Although precipitation slightly increases to 7 mm (0.3 in) over the same duration of one day, the humidity drops to a mere 19%, contributing to a drier feel. For more details on the weather in Nizwa, visit Nizwa weather in April.
December and May present contrasting weather patterns. In December, temperatures range from a mild minimum of 11°C (53°F) to a pleasant average of 20°C (68°F), peaking at 31°C (88°F). With only 5 mm (0.2 in) of precipitation over just one day and humidity at 45%, December offers a relatively dry and comfortable climate. In contrast, May experiences significantly higher temperatures, with a minimum of 21°C (70°F) and an average reaching 32°C (89°F), soaring to a scorching maximum of 46°C (114°F). While May has more precipitation at 14 mm (0.5 in) across three days, it features much lower humidity at 22%. For more insights on the weather in May, check out Nizwa weather in May.
December and June present contrasting weather conditions. In December, temperatures range from a mild minimum of 11°C (53°F) to a comfortable average of 20°C (68°F), peaking at a warm 31°C (88°F). The month experiences minimal precipitation of just 5 mm (0.2 in) over one day, and the humidity hovers around 45%, creating a pleasant climate. In stark contrast, June boasts significantly higher temperatures, with minimums of 25°C (77°F) and averages soaring to 35°C (95°F), reaching extremes of 45°C (113°F). Precipitation is slightly less in June at 4 mm (0.1 in) over one day, but the humidity drops to a low 17%, contributing to the dry heat of the summer. For a closer look at the weather specifics, you can check out Nizwa weather in June.
December and July exhibit stark contrasts in weather patterns. In December, temperatures range from a mild minimum of 11°C (53°F) to a comfortable average of 20°C (68°F), peaking at a maximum of 31°C (88°F). The month sees minimal precipitation, with only 5 mm (0.2 in) over just 1 day, and humidity levels are relatively moderate at 45%. In contrast, July brings much hotter conditions with temperatures starting at a minimum of 23°C (74°F) and soaring to an average of 33°C (92°F), reaching extremes of 43°C (109°F). Precipitation in July is higher, totaling 21 mm (0.8 in) spread over 6 days, accompanied by a much lower humidity of 19%. For more details, you can check Nizwa weather in July.
In December, the weather is significantly milder compared to August, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 31°C (88°F), averaging around 20°C (68°F). This month experiences minimal precipitation, with only 5 mm (0.2 in) over 1 day, and a humidity level of 45%. In contrast, August sees much hotter conditions, with temperatures soaring from a minimum of 23°C (74°F) to a blistering maximum of 43°C (109°F), averaging 33°C (92°F). August also brings slightly higher precipitation at 10 mm (0.4 in) over 3 days, but the humidity drops to a comfortable 23%. For more information on the weather specifics in August, you can check Nizwa weather in August.
In December, the weather is generally milder with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 31°C (88°F) and an average of 20°C (68°F). This month experiences low humidity at 45% and minimal precipitation of just 5 mm (0.2 in) over one day. In contrast, September is significantly warmer, with temperatures peaking at 40°C (104°F) and an average of 31°C (89°F). The minimum temperature in September is higher at 23°C (73°F), and it has even lower precipitation levels at only 3 mm (0.1 in) over the course of the month, without any rainy days, resulting in a humidity level of just 25%. For more detailed insights, you can check Nizwa weather in September.
In December, temperatures range from a minimum of 11°C (53°F) to a maximum of 31°C (88°F), creating a pleasant average of 20°C (68°F). The month experiences minimal precipitation at just 5 mm (0.2 in) over 1 day, with humidity sitting at 45%. In contrast, October sees warmer conditions, with temperatures varying from a minimum of 18°C (65°F) to a scorching maximum of 38°C (100°F), yielding an average temperature of 28°C (83°F). This month is wetter than December, receiving 18 mm (0.7 in) of rain over 2 days, while maintaining a lower humidity level of 35%. For more details, you can visit Nizwa weather in October.
Comparing the weather between November and December, we notice a slight cooling trend. In November, temperatures range from a minimum of 14°C (57°F) to a maximum of 32°C (91°F), with an average of 23°C (74°F) and no recorded rainy days. The humidity is relatively low at 44%. In contrast, December shows temperatures with a minimum of 11°C (53°F) and a maximum of 31°C (88°F), averaging 20°C (68°F). Although December experiences a bit more rain with 5 mm (0.2 in) over one day, humidity remains comparable at 45%. For more detailed insights into November's weather, you can visit this link: Nizwa weather in November.
December in Nizwa offers a pleasant reprieve from the scorching temperatures of the summer months, featuring mild days and cool nights that invite outdoor exploration. With an average temperature around 20°C (68°F), it’s ideal for sightseeing and enjoying the rich cultural landscape of the city. Rain is quite rare, with just a sprinkle here and there, making the month largely dry and comfortable, as humidity remains at a manageable 45%. This combination marks a refreshing contrast to the heat of earlier months, making December one of the best times to experience all that Nizwa has to offer. For more detailed insights on the weather patterns, check out Nizwa Climate.