May Weather in Kerman, Iran

Last updated: August 21, 2025

Kerman, Iran, in May offers a delightful blend of warmth and moderate humidity, characterized by a maximum temperature reaching up to 37°C (98°F) and an average of 21°C (71°F). As the spring season unfolds, residents and visitors can expect cooler evenings with minimum temperatures dipping to 8°C (46°F). During this month, the city experiences a modest precipitation total of 15 mm (0.6 in), consisting of rain on 4 days, making it a refreshing time for outdoor activities. With an average humidity level of 42%, May in Kerman is a pleasant time to explore its rich cultural heritage and beautiful landscapes.

May Temperature in Kerman

In May, Kerman, Iran, ushers in the warmth of late spring, showcasing a noticeable temperature increase from the cooler months. With nighttime lows around 8°C (46°F) and daily averages rising to 21°C (71°F), the region enjoys a comfortable climate perfect for outdoor activities. The daytime peaks can reach a sweltering 37°C (98°F), marking a sharp ascent from the gradual warming seen in April. This trend reflects a shift towards the summer months, as May stands out as a bridge between the coolness of spring and the forthcoming heat of summer. Overall, May's temperatures suggest a vibrant and inviting atmosphere, ideal for enjoying Kerman's unique landscapes and cultural offerings.

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

The chart illustrates May temperature patterns in Kerman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kerman, 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).
JanFebMarAprMayJunJulAugSepOctNovDec424755647082838073635044
Data source: Temperature data for Kerman generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Kerman

May in Kerman, Iran, typically brings a modest precipitation total of 15 mm (0.6 in) spread across about 4 days. This marks a slight decline from the earlier months of spring, with April receiving slightly more rain at 17 mm. As the region transitions into the hot, dry summer months of June through August—where precipitation drops to a stark 0 mm—May serves as a gentle reminder of the fleeting spring showers that nourish the landscape. The overall trend highlights a clear demarcation between the wetter spring and the arid summer, emphasizing Kerman's unique climatic rhythm.

May Precipitation Trends in Kerman

The chart displays monthly precipitation patterns in Kerman, 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 Kerman, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1326201815000061313
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kerman

As spring transforms into summer, May in Kerman, Iran, sees a notable decline in humidity, averaging 42%. This marks a continuation of the decreasing trend observed since February, when humidity was at 45%. Following the steady March and April levels of 44%, May's drop is a precursor to the arid conditions that characterize the summer months, where humidity plummets to as low as 13% in July and August. The transition from the relatively moist winter months—where humidity peaks at 57% in November—highlights Kerman's dramatic climate shifts, with a distinct pattern of rising warmth and vanishing moisture as the year progresses.

May Average Humidity in Kerman

This chart illustrates the average monthly humidity levels in Kerman, 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 Kerman is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec50%45%45%44%42%25%13%13%17%34%57%53%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Kerman

In May, Kerman, Iran experiences a significant spike in solar intensity, with a UV Index of 14, placing it firmly in the extreme exposure category. This is a continuation of the trend established in the preceding months of March and April, which also recorded high UV levels. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take precautions against sun exposure. As summer approaches, the UV Index remains elevated, highlighting the importance of sun safety measures. For those planning outdoor activities, understanding the UV Index can be vital to ensure protection against harmful rays. Learn more about Kerman's UV trends and stay informed by visiting Kerman UV Index.

Maximum UV Index Levels in Kerman for May

The chart shows the monthly maximum UV Index (UVI) for Kerman 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 Kerman typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6812121413141212975
Data source: Kerman 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 Kerman

As May unfolds in Kerman, Iran, the region basks in an impressive 383 hours of sunshine, marking one of the sunniest months of the year. This peak in sunlight follows a steady upward trend from 339 hours in March to 349 hours in April, demonstrating a delightful transition into the warmth of late spring. The sun shines even brighter over the subsequent months, with June and July averaging around 389 and 395 hours, respectively. This gradual increase not only enriches the natural landscape but also invites outdoor adventures, making Kerman a radiant locale for sun-seekers and nature lovers alike. As the year progresses, the sunshine hours begin to taper off, yet May stands out as a pivotal month where the warmth and brightness of the sun reach their zenith.

Monthly Sunshine Duration in Kerman: May Highlighted

The May sunshine duration represents the total number of hours Kerman 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.
JanFebMarAprMayJunJulAugSepOctNovDec244h286h339h349h383h389h395h383h348h333h298h299h
Data source: Kerman May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kerman During May

In Kerman, Iran, the likelihood of sunny weather in May stands at a reliable 78%, reflecting a slight dip from the bustling sunshine of earlier months but still promising ample bright days. As spring unfolds, the sun's presence becomes increasingly prominent, especially when compared to April's 62% chance. This trend of sunny disposition continues into June, where the probability jumps to an impressive 96%, suggesting that May serves as a delightful transition before the peak summer sun intensifies. With most of the year showcasing high sun probabilities, including a striking 96% in the fall months, May offers an inviting window for outdoor activities in the warm, embrace of Kerman's springtime warmth.

Percentage of Sunny Days in May in Kerman

The chart illustrates the percentage of sunny days in Kerman 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 Kerman experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec87%76%79%62%78%96%81%86%96%95%83%67%
Data source: Kerman May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kerman in May

In Kerman, Iran, the transition into May marks a delightful increase in daylight, bringing a total of 13 hours. This gradual elongation of days begins in January with just 10 hours, steadily increasing through the months. By April, the days stretch to 12 hours, and May shines brightly with its generous daylight. Following this peak, the summer months of June and July offer the longest days at 14 and 13 hours respectively, before beginning to taper off again in August. As autumn approaches, daylight gradually diminishes to 11 hours in October and continues its descent back to 10 hours by December. This cyclical pattern not only defines the rhythm of the seasons but also enriches the daily life of Kerman's residents, as they bask in increasingly longer daylight during the heart of spring.

Average Daylight Hours in Kerman for May

The chart illustrates the variation in daylight duration in Kerman throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 25m11h 6m11h 59m12h 54m13h 40m14h 3m13h 51m13h 11m12h 18m11h 24m10h 36m10h 12m
Data source: Kerman daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Kerman

May in Kerman, Iran, welcomes a gentle average wind speed of 2.2 m/s (5 mph), consistent with the soft breezes of both April and June. This month's winds, while slightly weaker than March's peak of 3.5 m/s (8 mph), create a pleasant atmosphere that enhances the region's warm temperatures. Notably, Kerman's wind patterns exhibit a consistent calm throughout the summer months, with speeds plateauing at 2.2 m/s from May through August. As the season transitions into fall, the winds begin to taper off, hinting at the calmer days ahead, particularly in November when the average dips to 1.7 m/s (4 mph). Overall, May's winds embody a serene prelude to the hot summer days, balancing comfort and warmth in this enchanting Iranian landscape.

Average May Wind Speed in Kerman

The chart displays monthly wind speed patterns in Kerman, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.13.52.42.2 m/s2.22.22.21.92.01.72.0
Data source: Kerman May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Kerman Compares to Other Months

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

May and January present stark contrasts in weather conditions. In May, temperatures range from a minimum of 8°C (46°F) to a sizzling maximum of 37°C (98°F), averaging around 21°C (71°F), while January experiences much colder temperatures, with a minimum of -10°C (15°F) and a maximum of 21°C (70°F), averaging only 5°C (42°F). Precipitation levels are relatively similar, with May receiving 15 mm (0.6 in) over 4 days and January slightly less at 13 mm (0.5 in) over just 3 days. Additionally, humidity levels in January are higher at 50%, compared to May's 42%, contributing to a distinctly different atmospheric feel in each month. For more detailed information on January weather, visit Kerman weather in January.

When comparing the weather in May and February, it's evident that May brings significantly warmer temperatures, with averages reaching 21°C (71°F) and highs soaring up to 37°C (98°F). In contrast, February experiences much cooler conditions, with an average temperature of only 8°C (47°F) and minimal highs of 24°C (75°F). Additionally, February sees more precipitation, totaling 26 mm (1.0 in) over 5 days, while May has only 15 mm (0.6 in) across 4 days. The humidity levels in both months are relatively similar, with May at 42% and February slightly higher at 45%. For more detailed information on February weather, you can visit Kerman weather in February.

May and March display contrasting weather patterns. In March, temperatures range from a chilly minimum of -4°C (25°F) to a pleasant average of 13°C (55°F), while May sees much warmer conditions with minimums of 8°C (46°F) and an average high of 21°C (71°F), peaking at an impressive 37°C (98°F). Precipitation is slightly higher in March, totaling 20 mm (0.8 in) over 5 days, compared to May’s 15 mm (0.6 in) over just 4 days. Humidity levels are relatively close, with March at 44% and May at 42%, but the increased temperatures in May create a noticeably different atmosphere. For more details on March weather, visit Kerman weather in March.

In comparing the weather patterns of April and May, we see a notable increase in temperatures as April transitions into May. April experiences a cooler temperature range, with a minimum of 3°C (38°F) and an average of 18°C (64°F), while May boasts a minimum of 8°C (46°F) and a significantly warmer average of 21°C (71°F). The maximum temperatures also rise sharply, from 31°C (88°F) in April to a scorching 37°C (98°F) in May. Precipitation remains relatively low in both months, with April receiving 17 mm (0.7 in) over 3 days and May slightly less at 15 mm (0.6 in) over 4 days. Humidity is almost comparable, with April at 44% and May at 42%. For more specific insights into April’s climate, you can check out Kerman weather in April.

May and June present a noticeable shift in weather conditions. In May, temperatures range from a cool minimum of 8°C (46°F) to a warm maximum of 37°C (98°F), with an average of 21°C (71°F). This month sees light precipitation, with around 15 mm (0.6 in) of rain over four days and a humidity level of 42%. In contrast, June experiences warmer temperatures, with a minimum of 14°C (57°F) and an average of 28°C (82°F), peaking at a high of 38°C (101°F). June is characterized by dry conditions, boasting zero rainfall and lower humidity at 25%. For more detailed information, you can check out Kerman weather in June.

In May, temperatures range from a cool minimum of 8°C (46°F) to a warm maximum of 37°C (98°F), with an average temperature of 21°C (71°F). The month experiences around 15 mm (0.6 in) of precipitation over four days, accompanied by a humidity level of 42%. In contrast, July presents a much warmer and drier climate, with temperatures ranging from a minimum of 16°C (62°F) to a maximum of 39°C (103°F), averaging 28°C (83°F). Notably, July sees no recorded precipitation and only 13% humidity, making it significantly drier compared to May. For more detailed insights, you can check Kerman weather in July.

In May, the weather presents a mild range of temperatures, with lows around 8°C (46°F) and average highs reaching 21°C (71°F), alongside occasional precipitation of about 15 mm (0.6 in) over four days. The humidity sits at a relatively comfortable 42%. In contrast, August experiences warmer and drier conditions, characterized by a minimum temperature of 12°C (54°F) and an average high of 27°C (80°F). Notably, August sees no recorded precipitation, contributing to a significantly lower humidity level of 13%. For more details on August weather, check out Kerman weather in August.

May and September both enjoy mild temperatures and relatively low precipitation, but they present distinct characteristics in terms of weather. In May, the temperatures range from a minimum of 8°C (46°F) to a maximum of 37°C (98°F), with an average of 21°C (71°F) and a modest amount of precipitation at 15 mm (0.6 in) over 4 days. Humidity is moderate at 42%. In contrast, September offers slightly warmer conditions with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 35°C (96°F), averaging around 23°C (73°F). Notably, September sees no rainfall, maintaining a dry atmosphere with humidity dropping to 17%. For a more detailed look at September weather, check out Kerman weather in September.

May and October present quite different weather patterns. In May, temperatures can range from a minimum of 8°C (46°F) to a scorching maximum of 37°C (98°F), with an average of 21°C (71°F). The month sees about 15 mm (0.6 in) of precipitation spread over 4 days, resulting in a humidity level of 42%. In contrast, October offers a much cooler climate, with temperatures varying from a chilly 1°C (35°F) to a comfortable maximum of 31°C (89°F) and an average of 17°C (63°F). This month is particularly dry, recording only 5 mm (0.2 in) of precipitation over 0 days, and the humidity drops to 34%. For more detailed information, you can check out the link: Kerman weather in October.

May and November present contrasting weather patterns. In May, temperatures can soar, with an impressive maximum of 37°C (98°F) and a pleasant average of 21°C (71°F), accompanied by relatively low humidity at 42%. The month sees light rainfall, averaging around 15 mm (0.6 in) spread over four days. In stark contrast, November experiences much cooler temperatures, with a maximum of 27°C (80°F), a chilly minimum of -4°C (25°F), and a notable increase in humidity at 57%. Precipitation in November is slightly lower, totaling 13 mm (0.5 in) over just two days. For more details, check out Kerman weather in November.

May and December exhibit stark contrasts in weather conditions. In May, temperatures range significantly, with a minimum of 8°C (46°F) and an average of 21°C (71°F), peaking at a warm 37°C (98°F). The month sees relatively low precipitation of 15 mm (0.6 in) over about 4 days, along with a humidity level of 42%. In contrast, December features much cooler temperatures, with a minimum of -8°C (18°F) and an average of 7°C (44°F), while the maximum reaches only 22°C (71°F). Precipitation is slightly lower at 13 mm (0.5 in) but occurs over just 1 day, and the humidity is higher at 53%. For a detailed look at the weather in December, you can visit Kerman weather in December.

Compare Kerman's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Kerman

As May arrives in Kerman, the weather showcases an intriguing blend of warmth and mildness, distinguishing it from the more extreme temperatures of the surrounding months. With maximums reaching up to 37°C (98°F), this month heralds the onset of summer while still retaining an average temperature that feels comfortable for many at 21°C (71°F). While the minimum temperatures dip as low as 8°C (46°F), the relatively low precipitation of 15 mm across just a few days keeps the skies largely clear, allowing for plenty of outdoor activities. Coupled with a moderate humidity level of 42%, May in Kerman presents an inviting atmosphere ideal for exploring the region. To learn more about Kerman's weather patterns, visit Kerman Climate.