May Weather in Nizwa, Oman

Last updated: August 31, 2025

May in Nizwa, Oman ushers in the sweltering heat of summer, with maximum temperatures soaring to 46°C (114°F). The average temperature hovers around a balmy 32°C (89°F), providing a warm embrace, while nighttime offers a slight reprieve with minimum temperatures around 21°C (70°F). This month, rainfall is scarce, with a modest precipitation amount of 14 mm (0.5 in) spread over just 3 days, contributing to the region's dry desert climate. Humidity levels remain low at 22%, ensuring that May in Nizwa is characterized by its intense heat and arid conditions, making it an experience distinctively marked by the Omani sun.

May Temperature in Nizwa

In May, Nizwa experiences a notable rise in temperatures as the region transitions into summer, with minimums reaching a warm 21°C (70°F) and averages climbing to a balmy 32°C (89°F). The peak of heat is particularly striking, soaring to a sizzling 46°C (114°F), marking it as one of the hottest months of the year. This upward trend from previous months is evident, with May outpacing April's already warm figures, as the territory moves swiftly toward the intense summer heat. Visitors should prepare for the rising temperatures, embracing both the warmth and the vibrant atmosphere that Nizwa has to offer.

May Weather in Nizwa: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Nizwa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nizwa, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec666976848995929289827468
Data source: Temperature data for Nizwa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Nizwa

May marks a notable uptick in precipitation in Nizwa, Oman, with rainfall amounting to 14 mm (0.5 in) over the course of three days. This increase is a sharp contrast to the previous months, which saw minimal rain; for instance, January, March, and April each recorded only 7 mm (0.3 in) with just one day of rain. As the transition to summer approaches, May serves as a pivotal month, setting the stage for the more dramatic rainfall in July, which experiences the highest precipitation of 21 mm (0.8 in). This trend highlights May's significance as a bridge between the dry early months and the wetter season, making it a crucial time for plant growth and the overall water balance in the region.

May Precipitation Trends in Nizwa

The chart displays monthly precipitation patterns in Nizwa, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Nizwa, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7377144211031845
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Nizwa

In Nizwa, Oman, the month of May experiences a moderate humidity level of 22%, slightly higher than the preceding months of April and March, which see much lower figures at 19% and 21% respectively. This uptick in humidity marks a gradual transition as the region moves towards the hotter summer months, characterized by increasing humidity levels that peak later in the year. Notably, the relative humidity remains significantly lower during the earlier months of the year, ranging from 19% to 41% from January to April. As the year progresses, humidity levels begin to climb, culminating in a substantial rise by November, where they reach 44%. This trend highlights the unique climatic patterns in Nizwa, blending lower humidity with the intense heat of summer.

May Average Humidity in Nizwa

This chart illustrates the average monthly humidity levels in Nizwa, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Nizwa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec41%31%21%19%22%17%19%23%25%35%44%45%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Nizwa

As May arrives in Nizwa, Oman, residents and visitors experience one of the year's highest levels of sun exposure, with a UV Index of 13, categorized as extreme. This escalating trend from the previous months, which included a UV Index of 12 in both March and April, highlights the increasing intensity of sunlight during this time. With a burn time of just 10 minutes, being proactive about sun protection is crucial. Comparatively, the UV Index remains high into July but begins a gradual decline come October. Therefore, it's essential to stay informed about UV levels and protect your skin during these months. For detailed information, check out Nizwa UV Index.

Maximum UV Index Levels in Nizwa for May

The chart shows the monthly maximum UV Index (UVI) for Nizwa in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Nizwa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121213121312121087
Data source: Nizwa May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Nizwa

May shines brilliantly in Nizwa, Oman, boasting an impressive 367 hours of sunshine, making it one of the sunniest months of the year. This warmth is part of a remarkable upward trend that begins in January with 254 hours and steadily climbs, culminating in the bright May skies. Following this peak, sunlight hours dip slightly in June and July, yet remain above 350 hours, maintaining that summery glow. Comparatively, the preceding months show a gradual increase, with April nearly matching May's illustrious sunshine. This pattern highlights Nizwa's favorable climate, drawing visitors eager to bask in the radiant warmth of Oman's majestic landscape.

Monthly Sunshine Duration in Nizwa: May Highlighted

The May sunshine duration represents the total number of hours Nizwa experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec254h296h339h342h367h364h358h343h331h332h310h311h
Data source: Nizwa May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nizwa During May

In Nizwa, Oman, the likelihood of sunny weather sees a noticeable trend as the year progresses. January kicks off with a remarkable 97% chance of sunshine, progressively tapering off to 69% in May. This decline marks a transition into the hotter months, yet Nizwa's weather remains predominantly bright compared to the preceding months. Following May, the chances of sun begin to rebound, soaring back to 94% by June. Consequently, while May might present a slightly lower probability of sunny days, it still retains ample opportunities for warm and radiant outdoor experiences.

Percentage of Sunny Days in May in Nizwa

The chart illustrates the percentage of sunny days in Nizwa throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Nizwa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec97%83%94%75%69%94%59%79%63%79%92%72%
Data source: Nizwa May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nizwa in May

In Nizwa, Oman, the progression of daylight throughout the year reveals a captivating rhythm of change. As winter fades, January greets the year with just 10 hours of daylight, but by February, a subtle increase to 11 hours begins to uplift spirits. The arrival of March and April sees an equal share of 12 hours, offering a taste of balance before the days stretch further. May marks a delightful turning point, basking in 13 hours of sunlight, a duration that continues blissfully through June and July. As summer starts to wane, August gently nudges daylight down to 12 hours, maintaining a warm embrace into the fall months of September and October, when daylight softens again to 11 hours. As the year comes full circle, November and December bring us back to 10 hours, inviting a reflective pause as the cycle begins anew. This gradual orchestration of light not only defines daily life but also encapsulates the beauty of seasonal transition in this enchanting desert landscape.

Average Daylight Hours in Nizwa for May

The chart illustrates the variation in daylight duration in Nizwa throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 53m11h 22m12h 1m12h 40m13h 14m13h 30m13h 21m12h 52m12h 14m11h 35m11h 1m10h 44m
Data source: Nizwa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Nizwa

As May arrives in Nizwa, Oman, the wind picks up slightly, maintaining an average speed of 2.3 m/s (5 mph), a trend consistent with the preceding months of March and April. This gentle breeze, steady yet mild, creates a pleasant atmosphere ideal for exploring the region's stunning landscapes and rich cultural heritage. Following May, the winds show a slight decrease in June to 2.2 m/s (5 mph), reflecting a subtle shift as summer approaches. Overall, the early months of the year feature light winds, primarily hovering around 1.7 to 2.3 m/s, making them perfect for outdoor activities without the interference of strong gusts. The gradual decline toward winter again hints at the seasonal transitions that characterize this enchanting locale.

Average May Wind Speed in Nizwa

The chart displays monthly wind speed patterns in Nizwa, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.92.32.32.3 m/s2.22.22.11.91.81.71.6
Data source: Nizwa May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Nizwa Compares to Other Months

Weather in Nizwa varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Nizwa, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparison to January, May showcases significantly warmer weather, with temperatures ranging from a minimum of 21°C (70°F) to a scorching maximum of 46°C (114°F), while January offers a cooler range from 7°C (45°F) to a maximum of 30°C (86°F). Additionally, May experiences higher average temperatures of around 32°C (89°F), compared to January’s average of 19°C (66°F). Precipitation is also notably different; May receives 14 mm (0.5 in) over about 3 days, while January sees just 7 mm (0.3 in) across 1 day. The humidity levels further accentuate the contrast, with May at 22% and January at 41%. For more detailed insights, check out Nizwa weather in January.

When comparing the weather in May and February, it's clear that there is a significant shift in temperature and humidity. In May, temperatures soar with a minimum of 21°C (70°F) and average highs reaching an intense 32°C (89°F), peaking at a scorching 46°C (114°F). In contrast, February offers much cooler weather, with a minimum of 6°C (44°F) and an average of 21°C (70°F), making it a much more temperate month overall. Additionally, May experiences 14 mm (0.5 in) of precipitation over three days, while February sees an almost negligible 3 mm (0.1 in) with no rainy days at all, leading to a notably drier climate. Interestingly, February also has higher humidity levels at 31%, compared to May's lower humidity of 22%. For more details on the weather in February, check out Nizwa weather in February.

In comparison to March, May experiences significantly higher temperatures, with minimums of 21°C (70°F) rising to a scorching maximum of 46°C (114°F), compared to March's milder range of 12°C (53°F) to 37°C (99°F). The average temperature in May is also notably warmer at 32°C (89°F) versus March's 24°C (76°F). Additionally, May sees a slight increase in precipitation, with 14 mm (0.5 in) over three days, while March has less rainfall at 7 mm (0.3 in) over just one day. Both months maintain similar humidity levels, with March at 21% and May slightly higher at 22%. For more details on March weather, you can check Nizwa weather in March.

In comparison to April, May experiences significantly higher temperatures, with a minimum of 21°C (70°F) and a maximum reaching 46°C (114°F), as opposed to April's range of 16°C (62°F) to 38°C (100°F). The average temperature in May also rises to 32°C (89°F), making it notably warmer than April's average of 29°C (85°F). Although both months have low levels of precipitation, May sees slightly more rain, totaling 14 mm (0.5 in) over three days compared to April's 7 mm (0.3 in) over just one day. Additionally, May's humidity levels are a bit higher at 22%, compared to April's 19%. For more detailed information about April weather, you can visit Nizwa weather in April.

May and June exhibit distinctly warm weather patterns, though June is slightly hotter overall. In May, temperatures range from a minimum of 21°C (70°F) to an average of 32°C (89°F), peaking at a maximum of 46°C (114°F). The month experiences light precipitation, totaling 14 mm (0.5 in) over about three days, with humidity levels around 22%. In contrast, June features a higher minimum temperature of 25°C (77°F) and an average of 35°C (95°F), with a slightly lower maximum of 45°C (113°F). This month sees even less rainfall, with only 4 mm (0.1 in) on just one day and a drop in humidity to 17%. For detailed information, you can check Nizwa weather in June.

In comparing the weather between May and July, both months experience high temperatures, but July tends to be slightly milder overall. May has a minimum temperature of 21°C (70°F) and an average of 32°C (89°F), with a maximum hitting 46°C (114°F). In contrast, July starts a bit warmer with a minimum of 23°C (74°F) and an average of 33°C (92°F), while the maximum drops to 43°C (109°F). Precipitation is also more frequent in July, with 21 mm (0.8 in) over 6 days compared to May's 14 mm (0.5 in) across just 3 days. Notably, July holds a slightly lower humidity level at 19% compared to May's 22%. For more detailed insights, check Nizwa weather in July.

In comparing the weather between May and August, we observe that both months feature warm temperatures and relatively low precipitation. May experiences a minimum temperature of 21°C (70°F) and an average of 32°C (89°F), reaching a maximum of 46°C (114°F), while August has slightly higher minimum and average temperatures at 23°C (74°F) and 33°C (92°F), respectively, with a maximum of 43°C (109°F). Precipitation is minimal in both months, with May receiving 14 mm (0.5 in) over 3 days and August slightly less at 10 mm (0.4 in) over the same number of days. Humidity levels remain comparable as well, with May at 22% and August at 23%. For more specifics on August's weather conditions, you can check Nizwa weather in August.

In May, the weather is generally hotter, with temperatures ranging from a minimum of 21°C (70°F) to a scorching maximum of 46°C (114°F), and an average temperature of 32°C (89°F). The month experiences slightly higher precipitation at 14 mm (0.5 in) over three days, along with lower humidity at 22%. In contrast, September offers slightly milder temperatures, with a minimum of 23°C (73°F), an average of 31°C (89°F), and a maximum of 40°C (104°F). This month sees significantly less rain, with only 3 mm (0.1 in) and no rainy days, while humidity rises a bit to 25%. For more specific insights on September weather, you can refer to Nizwa weather in September.

May and October present distinctly different weather patterns. In May, temperatures can soar with a minimum of 21°C (70°F) and averages reaching up to 32°C (89°F), peaking at a scorching 46°C (114°F). The month experiences low precipitation of just 14 mm (0.5 in) over about 3 days, coupled with low humidity at 22%. In contrast, October offers a more moderate climate, with minimum temperatures of 18°C (65°F) and an average temperature of 28°C (83°F), maxing out at 38°C (100°F). This month sees slightly higher precipitation at 18 mm (0.7 in) over only 2 days, along with increased humidity at 35%. For more detailed insights into October weather, check out Nizwa weather in October.

In May, the weather is characterized by high temperatures, with minimums reaching 21°C (70°F) and scorching averages of 32°C (89°F), peaking at 46°C (114°F). Despite the intense heat, the month receives a modest amount of precipitation at 14 mm (0.5 in) across three days, accompanied by relatively low humidity of 22%. In contrast, November presents a more temperate atmosphere, with minimum temperatures dropping to 14°C (57°F) and pleasant averages of 23°C (74°F), capping at 32°C (91°F). This month enjoys significantly less rainfall, just 3 mm (0.1 in) without any rainy days, and a higher humidity level of 44%. For more details, you can check Nizwa weather in November.

May and December present stark contrasts in weather conditions. In May, temperatures soar with a minimum of 21°C (70°F) and a blistering maximum of 46°C (114°F), making it the hottest month of the year, with an average of 32°C (89°F). The humidity is relatively low at 22%, but the month still receives about 14 mm (0.5 in) of precipitation across three days. In contrast, December offers a much cooler climate, 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). Additionally, December experiences significantly less precipitation, with only 5 mm (0.2 in) over just one day, and the humidity increases to 45%. For more insights on December weather specifics, you can check Nizwa weather in December.

Compare Nizwa's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Nizwa

As May arrives in Nizwa, the weather presents a striking contrast to the cooler months of the year. With a maximum temperature soaring to 46°C (114°F), this month marks the onset of the intensely hot season, significantly warmer than its predecessors. While the average temperature remains pleasant at 32°C (89°F), the evenings provide a refreshing respite with lows around 21°C (70°F). Rainfall is quite limited, with only a few days of light precipitation accumulating to around 14 mm (0.5 in), making it one of the driest months. The humidity levels sit comfortably at 22%, contributing to a dry heat that can be both invigorating and exhausting. For more information on how Nizwa's climate shifts throughout the year, visit Nizwa Climate.