Last updated: August 31, 2025
In May, Khartoum experiences a scorching climate characterized by a maximum temperature of 46°C (114°F) and an average of 35°C (95°F), providing a stark contrast to the minimum of 23°C (74°F) during the cooler nights. The month is notably dry, with only 4 mm (0.1 in) of precipitation recorded over just one day, making humidity levels plummet to a mere 21%. This combination creates a typical Sudanese heat that requires preparation for both the oppressive daytime sun and the occasionally cooler evenings.
In May, Khartoum experiences a significant rise in temperatures, signaling the height of the pre-summer heat. With minimums averaging 23°C (74°F) and sizzling maximums reaching up to 46°C (114°F), the intense warmth is unmistakable. The average temperature of 35°C (95°F) reflects the transition from the milder earlier months into the peak of Sudan's heat. This month marks a distinct shift from the comfortable temperatures of April—where highs hovered around 44°C (112°F)—to a more relentless sun as the region prepares for the hotter months ahead. As humidity levels subtly increase, May's warmth can feel even more pronounced, encouraging locals and visitors alike to seek shade during the day and embrace the cooler evenings.
May marks a subtle shift in Khartoum's dry season, bringing a slight sprinkle of precipitation with an accumulated total of 4 mm (0.1 in) over the month. This increase represents the first measurable rainfall after several months of arid conditions, with just one rainy day to break the dryness. The onset of rain sets the stage for the wetter months ahead, hinting at a gradual transition as June and July prepare to deliver more than just brief showers. As the year progresses, the city will experience an escalating rhythm of rainfall, culminating in August's peak. Thus, May serves as an early harbinger of the seasonal changes, offering a hint of the lushness that will soon follow.
In May, Khartoum experiences a notable shift in humidity, rising to 21%—a welcome increase after the particularly dry months of March and April, where levels plummeted to an arid 13%. This shift marks the beginning of a summer trend, as humidity steadily climbs in the following months, peaking at 47% in August. Interestingly, the transition from the dry season to the peak of humidity not only signals a change in weather but also indicates the onset of the rainy season, which significantly influences the region's climate. As the month unfolds, residents may feel the air becoming increasingly oppressive, setting the stage for the hotter and more humid conditions that dominate the coming summer months.
In May, Khartoum experiences an unwavering UV Index of 13, categorizing it as extreme and demanding vigilance against sun exposure. With a burn time of only 10 minutes, it's crucial for residents and visitors to take protective measures, such as applying sunscreen and wearing hats. This trend of high UV levels from late winter to early summer reflects the region's intense sunlight, positioning May alongside March and April as peak risk months. As temperatures rise and days become longer, awareness of UV exposure remains essential for skin health. Stay informed and safe by checking the Khartoum UV Index for the latest updates.
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In Khartoum, Sudan, May heralds the peak of sunshine, boasting an impressive 360 hours of radiant daylight—outshining every other month. This surge in sunlight follows a progression from January's 268 hours, gradually increasing through the warmer spring months until reaching May's glorious zenith. As the heat intensifies, June and July still maintain substantial sunlight, with 346 and 342 hours respectively, suggesting a strong trend of abundant daylight that characterizes Sudan's transition into summer. This consistent sunshine encapsulates the vibrant energy of Khartoum, making May not only the sunniest month of the year but also a symbol of the warmth and brightness that define the region.
As May approaches in Khartoum, Sudan, the likelihood of sunny weather begins to shift. With a 78% chance of sun, this month marks a notable decline from the consistently high percentages of the earlier months, particularly January's impressive 95%. The drop to May’s figure signals the onset of a transitional period leading into the summer, where sunny days become less predictable. Following May, the chances continue to wane, reaching just 49% by July. This trend underscores Khartoum's unique weather patterns, illustrating a clear move from the sun-drenched days of winter into a hotter season with increasing variability.
In Khartoum, Sudan, the daylight duration reveals an intriguing pattern throughout the year. Starting with a consistent 11 hours of daylight in the winter months of January and February, the days gradually lengthen into March and April, where they reach 12 hours. This trend continues into May, maintaining that 12-hour mark, before transitioning to a peak in June with 13 hours of sunlight, the longest of the year. Following June, daylight hours settle back into a stable rhythm, averaging 12 hours from July to September. As the year winds down, daylight dips back to 11 hours from October through December, offering a balanced cycle of light that characterizes the diverse seasons in Khartoum.
May in Khartoum experiences a gentle breeze, with an average wind speed of 4.2 m/s (9 mph), a noticeable dip compared to the preceding months. As the dry season progresses, the winds of April (5.2 m/s) give way to calmer conditions, which may contribute to the rising temperatures. Interestingly, the wind picks up again in June to 4.6 m/s, hinting at a seasonal shift. This pattern showcases a distinct trend of fluctuating wind speeds, where the lightest breezes of May contrast sharply with the stronger gusts that characterize the summer months ahead, particularly July's peak at 6.3 m/s (14 mph). The gentle May winds create a serene backdrop, perfect for enjoying outdoor activities before the summer heat intensifies.
Weather in Khartoum varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Khartoum, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present strikingly different weather conditions. In May, temperatures soar with a minimum of 23°C (74°F) and can peak at a blistering 46°C (114°F), while only experiencing minimal rainfall of 4 mm over just one day and low humidity at 21%. In contrast, January offers much cooler weather, with temperatures ranging from a minimum of 10°C (49°F) to a maximum of 41°C (105°F). Notably, January has no recorded precipitation, with humidity slightly higher at 25%. For more detailed information on January weather, visit Khartoum weather in January.
May and February present contrasting weather patterns, particularly in terms of temperature and humidity. In May, temperatures can soar to a scorching maximum of 46°C (114°F), with an average of 35°C (95°F) and high humidity at 21%. In contrast, February offers a more moderate climate with a maximum temperature of 41°C (106°F) and an average of 25°C (77°F), alongside lower humidity at 16%. Precipitation is almost nonexistent in both months, but February remains completely dry, while May experiences minimal rainfall with just 4 mm over one day. For a detailed look at February weather in Khartoum, you can check Khartoum weather in February.
When comparing the weather in May and March, it becomes clear that May experiences higher temperatures and humidity levels. May's average temperature is a warm 35°C (95°F), with maximums reaching up to 46°C (114°F), while March offers a milder average of 29°C (84°F) and a maximum of 43°C (109°F). Additionally, May sees a slight amount of precipitation (4 mm over one day), in contrast to March, which typically has no recorded rainfall. Interestingly, March's humidity is lower at 13%, while May's humidity rises to 21%. For more detailed insights on March weather, you can visit Khartoum weather in March.
In comparing the weather of May and April, we see that May is generally warmer, with average temperatures reaching up to 35°C (95°F), compared to April's average of 33°C (91°F). The minimum temperature in May is also higher, at 23°C (74°F), compared to April's minimum of 18°C (65°F). However, April boasts completely dry conditions with no recorded precipitation, while May experiences some minimal rain, measuring 4 mm over just one day. Additionally, humidity levels increase slightly in May to 21%, compared to April's lower level of 13%. For more detailed insights, you can view Khartoum weather in April.
In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 46°C (114°F), with an impressive average of 35°C (95°F). The month experiences very little precipitation, recording only 4 mm (0.1 in) over just one day, and humidity levels are quite low at 21%. In contrast, June sees a slight increase in minimum temperatures, reaching 26°C (79°F), while the average remains steady at 35°C (95°F) and the maximum temperature decreases slightly to 45°C (113°F). June also brings a bit more rainfall, with 6 mm (0.3 in) over two days, and humidity rises to 34%, making the air feel more humid. For a detailed look at June's weather, you can check Khartoum weather in June.
In comparing the weather between May and July, we see notable differences in temperature and humidity levels. In May, temperatures range from a minimum of 23°C (74°F) to a scorching maximum of 46°C (114°F), with an average of 35°C (95°F). Precipitation is minimal, with just 4 mm (0.1 in) over a single day and humidity at a low 21%. In contrast, July sees slightly cooler temperatures, with highs reaching 43°C (110°F) and an average of 33°C (91°F). The month receives more precipitation, totaling 13 mm (0.5 in) across two days, along with increased humidity at 33%. For more detailed information, you can check Khartoum weather in July.
In comparing the weather between May and August, May typically experiences more extreme heat with average temperatures reaching up to 35°C (95°F) and maximums soaring to 46°C (114°F), while August offers a milder experience with an average of 31°C (88°F) and maximums of 42°C (108°F). Additionally, May has very low precipitation, averaging just 4 mm (0.1 in) over a single day, whereas August sees considerably more rain, with 34 mm (1.3 in) of precipitation spread over six days. The humidity levels also differ significantly, with May's humidity at a low 21% compared to August's much higher 47%. For a more detailed look at the weather trends, you can check Khartoum weather in August.
In May, the weather is characterized by high temperatures, with a minimum of 23°C (74°F) and a scorching average of 35°C (95°F), reaching up to a maximum of 46°C (114°F). The humidity remains relatively low at 21%, with minimal precipitation of just 4 mm (0.1 in) over one day. In contrast, September sees slightly cooler temperatures, with a minimum of 24°C (76°F) and an average of 33°C (92°F), peaking at 42°C (109°F). However, the humidity significantly increases to 49%, and precipitation rises to 6 mm (0.2 in) over the same one day. For a more detailed look into September weather, you can visit Khartoum weather in September.
In May, the weather in Khartoum is characterized by higher temperatures, with a minimum of 23°C (74°F), an average of 35°C (95°F), and maximums reaching up to 46°C (114°F). The month experiences minimal precipitation of just 4 mm (0.1 in) over a single day and low humidity at 21%. In contrast, October presents slightly cooler temperatures with a minimum of 22°C (72°F), an average of 33°C (91°F), and maximums hitting 42°C (107°F). This month also sees increased precipitation at 7 mm (0.3 in), though still occurring over just one day, along with a noticeable rise in humidity to 40%. For more details on the October weather in Khartoum, visit Khartoum weather in October.
May experiences significantly higher temperatures compared to November, with daily averages soaring to around 35°C (95°F) and maximums reaching up to 46°C (114°F). In contrast, November boasts a cooler climate, featuring an average temperature of 28°C (83°F) and a maximum of 40°C (104°F). While May has minimal precipitation with just 4 mm (0.1 in) over one day, November remains completely dry with no recorded rainfall. Humidity levels are also notably different, with May at 21% and November slightly higher at 27%. For more detailed information, check out Khartoum weather in November.
May and December in Khartoum present a stark contrast in weather. In May, temperatures soar with a minimum of 23°C (74°F) and can reach a blistering maximum of 46°C (114°F), while the average temperature sits at 35°C (95°F). Despite the heat, May experiences minimal precipitation, with just 4 mm (0.1 in) over one day and a notably low humidity of 21%. In contrast, December offers much cooler conditions, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 37°C (98°F) and an average of 25°C (77°F). Remarkably, December sees no precipitation at all and higher humidity at 29%. For more insights into the weather in December, you can visit Khartoum weather in December.
As May settles over Khartoum, temperatures soar, marking the transition from the milder days of spring to the sweltering summer heat. With an average high of 35°C (95°F) and peaks that can reach an astonishing 46°C (114°F), the month stands out as one of the hottest in the calendar year. Unlike the preceding months, May experiences minimal rainfall, with only about 4 mm over a single day, contributing to the arid atmosphere characterized by a low humidity level of 21%. This dry heat is a defining feature of Khartoum's climate during May, setting the stage for the intense summer conditions that follow. To learn more about the overall climate of this vibrant city, visit Khartoum Climate.