Climate and monthly weather forecast
Nizwa, Oman

Favorably located in the eastern section of Oman lies the city of Nizwa. Its climatic conditions are predominantly represented by the Köppen climate classification as BWh, unofficially termed as Subtropical desert. Although blending of heat and aridity is a prominent trait, overall weather occurrences are manifested by stark variations.

Analyzing the climatological data available, temperatures in Nizwa secured by a broad margin inferring considerable changes throughout the months. With January and February temperatures settling from 10°C (50°F) to 22°C (71.6°F), and 12°C (53.6°F) to 23°C (73.4°F) respectively, a progressive climb can be witnessed in the subsequent months. Particularly noteworthy are the peaks of the summer months from June to August with a surge from a staggering 26.6°C (79.9°F) to 37°C (98.6°F). However, a steady decline in temperatures ensues in the latter quarters of the year.

Moreover, rainfall patterns appear inconsistent with a total absence of precipitation in May and June. Most months register minimal rainfall, between 2mm (0.08") to 5mm (0.2") except January, February and December where higher levels range from 15mm (0.59") to 30mm (1.18"). Relatively few rainy days are experienced throughout the year, numbered at a maximum of three days in February. Contrasts are observed in hours of daylight with a relatively constant range of 10.7 hours to 13.5 hours. Unique instances are found in the uninterrupted sunlight observed from April to November, all reaching an average of 10 hours or more daily.

Cognizant of the prevailing weather trends in Nizwa, the preferable window for visits is largely dependent on individual preferences. For those who relish warm yet comfortable temperatures and extended daylight periods, a visit between March to May is advised. The timeframe presents temperatures oscillating from 15°C (59°F) to 31.4°C (88.5°F), coupled with wonderfully sunlit days ranging from 12 hours to 13.2 hours. Due to the attainable comfort levels, outdoor adventurers and sightseers are likely to find this period most fruitful.

Unfavorable aspects within the annual climatic pattern would be the searing heat peaking between June to August. Respective temperature highs skyrocket, reaching a scorching climax of 37°C (98.6°F) in June, with a slight decrease to the lowest jolt down to 34.9°C (94.8°F) in August. Hours of daylight also notch a peak of 13.5 hours in the same period. Therefore, those averse to high-heat conditions might find this season less pleasurable for visits or outdoor activities within the city.

Springtime in Nizwa spanning between March to May is marked by a spectrum of enriching experiences. As temperatures climb steadily from a low of 15°C (59°F) to a high of 35.7°C (96.3°F), the balmy invitation of pleasant warmth could not be more enticing. Furthermore, a declining rainfall trend can be noticed right from 21mm (0.83") in March to an arid 5mm (0.2") in May, thereby guaranteeing most days remain dry. On the whole, it’s a season where nature thrives and outdoor enthusiasts can revel in their pursuits amidst the burgeoning daylight hours ranging from 12 - 13.2 hours.

Summer months in Nizwa present potentially stifling heat, as reflected by temperatures predominantly hovering between 26.6°C (79.9°F) to 37°C (98.6°F). Rainfall bears minimal relevance, with June remained devoid of precipitation and July recording a scant 5mm (0.2"). Uninterrupted sunshine levels, poised at a 10-hour average daily, further amplify the summer blaze. Coupled with extended daylight periods reaching up to 13.5 hours, this period is a testament to Nizwa's discerning Subtropical desert climate.

Autumn signifies a steady retreat from the summer's heat as witnessed in the evolution from September to November. Temperatures retreat to a relatively more comfortable range of 23.5°C (74.3°F) to 33°C (91.4°F). Precipitation sees minimal variance with September and November registering a mere 2mm (0.08") and 4mm (0.16") respectively with October devoid of any rainfall. Daylight hours lessen from 12.3 hours to 11.1 hours allocating more time to evening escapades.

Winter, covering December through February, sees Nizwa bathing in cooler temperatures, effectively ranging between 10°C (50°F) to 23°C (73.4°F). Notably, these months bring the highest precipitation of the year, with December marking at 15mm (0.59"), although this doesn't constitute an excessive amount. Additionally, the duration of daylight at this period reduces to the annual low of 10.7 hours in December - an element that perhaps might appeal to those preferring a more relaxed, temperate experience.

In Nizwa, Oman, the beginning of the year brings mild temperatures and marginally longer daylight hours, a considerable contrast to the challenging summer peak temperatures. Daylight averages at 10.9 hours, offering ample opportunity for outdoor activities. Weather in January »

Transitioning into February, slight increases in temperatures and daylight hours make outdoor activities in Nizwa increasingly pleasant. With average daily temperatures slightly higher, the cool crisp mornings gradually recede into warmer afternoons. Weather in February »

In March, Nizwa experiences a significant rise in temperatures compared to the previous two months, indicating the onset of warmer days. While the temperature fluctuations might not yet be highly noticeable, locals feel the change towards a warmer season. Weather in March »

The April weather in Nizwa stays relatively balanced, neither too hot nor too cold, even though daytime temperatures could reach up to 31.4°C (88.5°F). On the other hand, evenings prove to be slightly chillier, offering a sweet respite from the warmth of the day. Weather in April »

Characterized by sun-kissed days and clear skies, May in Nizwa introduces the true meaning of desert summer. The sharp yet comfortable transition from the mild spring weather is quite noticeable. Although the mercury hovers at 35.7°C (96.3°F), the mornings remain relatively cool, offering a respite from the heat later in the day. Weather in May »

In June, Nizwa experiences its peak summer temperatures, soaring all the way to 37°C (98.6°F). Rising heat levels and bright sunny days characterize this month, dominating the overall weather narrative. Even though the daytime heat can be intense, the evenings often bring a pleasant coolness settling over the city. Weather in June »

July continues the trend of the searing summer in Nizwa, Oman, generally replicating the conditions experienced in June. While daily temperatures still hover around the mid-thirties, mornings are particularly hot. Rainfall remains minimal at 5mm (0.2"), indicating that probable rain clouds are few and far between. Weather in July »

In August, the weather remains warm, with temperatures averaging between 25.1°C (77.2°F) and 34.9°C (94.8°F), on par with the earlier summer months. Even though summer is in full swing, the intensity of heat begins to wane slightly. Weather in August »

With the highest temperatures certified at 33°C (91.4°F) in September, Nizwa starts to note a considerable change in the weather pattern. A relief from the intense heat of the preceding months, the evenings become markedly cooler and pleasant. Weather in September »

In October, Nizwa experiences a further drop in temperatures, adding a touch of fall crispness to the mornings. In general, temperatures rest within the less-intense range. The rainfall remains minimal at 3mm (0.12"), symbolizing the persistent aridity of the region. Weather in October »

The weather in November marks another transition for Nizwa, as temperatures continue to drop, hinting at the approaching mild winter. A noticeable disparity between the daytime heat and evening coolness becomes evident. This pattern creates an ideal environment for enjoying the city's rich cultural and historical ambiance. Weather in November »

As December rolls in, Nizwa experiences a slightly cool weather indicating the onset of winter. The city basks in the joy of pleasant afternoons followed by breezy evenings. A rainfall count of 15mm (0.59") makes it one of the more rain-prone months of the year. Weather in December »