May Weather in Khorramshahr, Iran

Last updated: August 21, 2025

In May, Khorramshahr experiences a sweltering climate, with maximum temperatures soaring up to 48°C (119°F) and an average temperature of 34°C (93°F). The month is characterized by minimal precipitation, with just 5 mm (0.2 in) over 1 day, making the air feel particularly dry at a humidity level of only 32%. These conditions create a heat-drenched atmosphere, typical of the region, inviting residents and visitors alike to embrace the warmth while staying hydrated and cool.

May Temperature in Khorramshahr

In May, Khorramshahr, Iran, ushers in the peak of spring with temperatures rising significantly. The month starts with a comfortable minimum of 20°C (69°F), but as it progresses, the average soars to a sweltering 34°C (93°F), peaking at an eye-popping 48°C (119°F). This pattern reflects a dramatic increase in warmth compared to the preceding months, notably April, where maximum temperatures reached 43°C (110°F). As summer approaches, residents and visitors alike can expect not just higher numbers, but also a distinct shift toward the intense heat that characterizes the region in the following months. With May marking a crucial transition, the warmth sets the stage for the sizzling conditions that will follow.

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

The chart illustrates May temperature patterns in Khorramshahr, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Khorramshahr, 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).
JanFebMarAprMayJunJulAugSepOctNovDec576270829310210510297857061
Data source: Temperature data for Khorramshahr 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 Khorramshahr

In May, Khorramshahr experiences a notable decline in precipitation, with a mere 5 mm (0.2 in) of rainfall over just one day. This trend continues the pattern observed in earlier months, as the city transitions towards the hot summer season following a more rain-soaked winter and spring. By comparison, April saw 8 mm across two days, highlighting a significant drop as temperatures rise. The decrease in rainfall during May signals the beginning of a dry spell, which persists into the summer months of June and July, when precipitation becomes virtually nonexistent. As Khorramshahr heads into the heat of summer, the stark contrast in precipitation amounts emphasizes the distinct seasonal shifts typical of the region.

May Precipitation Trends in Khorramshahr

The chart displays monthly precipitation patterns in Khorramshahr, 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 Khorramshahr, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec11181685000189637
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Khorramshahr

In May, Khorramshahr experiences its lowest humidity of the year at 32%, a stark contrast to the wetter months preceding it. This gradual decline from April's 39% reflects the transition into the sweltering summer months, where humidity drops dramatically to a mere 11% in July. The trend of decreasing humidity continues, revealing a persistent aridity that characterizes the region's summer climate. As the year progresses towards November, humidity rises again, peaking at 48% in the cooler months, which helps to illustrate the distinct seasonal shifts in this Iranian city.

May Average Humidity in Khorramshahr

This chart illustrates the average monthly humidity levels in Khorramshahr, 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 Khorramshahr is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec46%38%42%39%32%17%11%12%17%33%48%50%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Khorramshahr

In May, Khorramshahr experiences a dramatic rise in the UV Index, soaring to an extreme level of 11. This sharp increase from the very high index of 10 recorded in April emphasizes the urgency for sun protection, with a reduced burn time of just 10 minutes. Following a gradual climb from January's moderate UV levels, this month marks the peak of solar intensity in the region, a trend that continues into June and July. As summer sets in, residents and visitors should remain vigilant against sun exposure in this sweltering climate. For more insights on UV exposure trends and safety measures, visit Khorramshahr UV Index.

Maximum UV Index Levels in Khorramshahr for May

The chart shows the monthly maximum UV Index (UVI) for Khorramshahr 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 Khorramshahr typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec56910111111109754
Data source: Khorramshahr 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 Khorramshahr

In Khorramshahr, Iran, the month of May shines as a vibrant beacon of sunlight, boasting an impressive 371 hours of glorious sunshine. This peak in brightness follows a steady upward trend that begins in the cooler months of winter, when sunlight hours gradually increase from 228 hours in January to 333 hours in April. As May unfolds, it transitions seamlessly into the sunniest months, with June and July reaching even higher totals of 381 and 385 hours, respectively. The lingering warmth of summer continues throughout August, with a slight dip to 367 hours, before the hours of sunshine begin to recede as autumn approaches. This harmonious rhythm of sunlight not only brightens the landscape but also enhances the vibrancy of life in Khorramshahr throughout the year.

Monthly Sunshine Duration in Khorramshahr: May Highlighted

The May sunshine duration represents the total number of hours Khorramshahr 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.
JanFebMarAprMayJunJulAugSepOctNovDec228h276h329h333h371h381h385h367h337h315h278h275h
Data source: Khorramshahr May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Khorramshahr During May

In Khorramshahr, Iran, May emerges as a particularly promising month for sun-seekers, boasting an 85% chance of sunny weather. This figure marks a noticeable uptick from the previous months, especially following the cooler and cloudier April, which saw only a 64% chance. As spring transitions to summer, the pattern is clear: the likelihood of sunshine begins to soar, leading into the near-constant sunshine of June and July, both at an impressive 99%. With such a trend, May represents a delightful opportunity to bask in the warmth and enjoy the vibrant outdoor charm of this coastal city.

Percentage of Sunny Days in May in Khorramshahr

The chart illustrates the percentage of sunny days in Khorramshahr 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 Khorramshahr experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec74%68%83%64%85%99%99%94%99%93%78%45%
Data source: Khorramshahr May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Khorramshahr in May

In Khorramshahr, Iran, the progression of daylight hours reveals a delightful transition through the seasons. As January ushers in the year with just 10 hours of daylight, the days gradually lengthen, reaching 11 hours in February and maintaining this duration through March. By April, the daylight extends to 12 hours, signaling the onset of spring. The peak arrives in June, with a generous 14 hours, perfect for outdoor activities and enjoying the vibrant landscape. As summer wanes, the days start to shorten again, dropping to 13 hours in July and August, before returning to 12 hours in September. The decline continues into autumn, with daylight slipping to 11 hours in October and settling back to 10 hours by year’s end in November and December. This rhythmic cycle of daylight not only enriches the daily experience but also beautifully marks the passage of time in this coastal city.

Average Daylight Hours in Khorramshahr for May

The chart illustrates the variation in daylight duration in Khorramshahr throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 24m11h 6m11h 59m12h 54m13h 41m14h 4m13h 52m13h 11m12h 18m11h 23m10h 36m10h 12m
Data source: Khorramshahr daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Khorramshahr

In Khorramshahr, the month of May experiences a gentle breeze with an average wind speed of 4.0 m/s (9 mph), contributing to the region's warm climate. This moderate wind builds on a trend observed in the preceding months, where speeds gradually increased from 3.2 m/s in January to stabilize around 4.6 m/s in both March and April. However, a slight dip in May precedes a notable surge in June, where winds pick up significantly to 7.2 m/s (16 mph). This pattern illustrates the transition from the milder spring months into the more invigorating summer winds, highlighting Khorramshahr's dynamic and ever-changing atmospheric conditions.

Average May Wind Speed in Khorramshahr

The chart displays monthly wind speed patterns in Khorramshahr, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.84.64.64.0 m/s7.24.94.15.04.23.53.9
Data source: Khorramshahr May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Khorramshahr Compares to Other Months

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

May and January present strikingly contrasting weather conditions. In May, temperatures soar with a minimum of 20°C (69°F) and an average high reaching a scorching 34°C (93°F), peaking at a scorching 48°C (119°F). The month is relatively dry, receiving only 5 mm of precipitation over just one day, accompanied by a low humidity level of 32%. In contrast, January is much cooler, with temperatures ranging from a minimum of 2°C (35°F) to an average of 14°C (58°F) and a maximum of 27°C (81°F). January experiences slightly more precipitation, totaling 11 mm (0.4 in) across two days, and higher humidity at 45%. For more details on January weather, you can check out Khorramshahr weather in January.

May and February present starkly contrasting weather patterns. In May, temperatures soar from a minimum of 20°C (69°F) to a blistering maximum of 48°C (119°F), creating a sweltering average of 34°C (93°F). With only 5 mm (0.2 in) of precipitation over just one day, humidity remains relatively low at 32%. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 31°C (88°F), resulting in an average of 17°C (62°F). The month experiences greater precipitation at 18 mm (0.7 in) across three days and has a slightly higher humidity level of 38%. For a detailed look at February's weather in Khorramshahr, you can visit Khorramshahr weather in February.

May and March present starkly different weather conditions. In May, temperatures soar, with a minimum of 20°C (69°F) and reaching a blistering maximum of 48°C (119°F), while the average temperature sits at 34°C (93°F). The month is relatively dry with only 5 mm of precipitation over just 1 day, and humidity is low at 32%. In contrast, March offers much cooler temperatures with a minimum of 7°C (44°F) and a maximum of 40°C (105°F), resulting in an average of 21°C (71°F). However, it experiences more rainfall, accumulating 16 mm over 3 days, and has higher humidity at 42%. For more detailed insights on the March weather, you can visit Khorramshahr weather in March.

In comparing the weather between April and May, May experiences significantly warmer temperatures with a minimum of 20°C (69°F) and an average peak of 34°C (93°F), while April's temperatures start at a cooler minimum of 13°C (55°F) and an average high of 28°C (82°F). Additionally, May has a higher maximum temperature reaching up to 48°C (119°F) compared to April's maximum of 43°C (110°F). Precipitation is lower in May, with just 5 mm (0.2 in) over 1 day, whereas April sees more rainfall at 8 mm (0.3 in) over 2 days. Humidity levels in May drop to 32%, contrasting with April's higher humidity of 39%. For more detailed information, you can check Khorramshahr weather in April.

In May, the weather in Khorramshahr boasts a temperature range that starts at a mild 20°C (69°F) and can peak at a scorching 48°C (119°F), averaging around 34°C (93°F). The humidity level hovers around 32%, and the month experiences a slight amount of precipitation, with 5 mm (0.2 in) falling on just one day. In contrast, June sees even hotter conditions, with minimum temperatures rising to 26°C (79°F) and maximum temperatures reaching a blistering 52°C (125°F), resulting in an average temperature of 39°C (102°F). This month is notably drier, with no recorded precipitation and a drop in humidity to 17%. For a detailed look at June's weather, check out Khorramshahr weather in June.

In May, the weather in Khorramshahr sees a milder range of temperatures, with a minimum of 20°C (69°F) and an average high of 34°C (93°F). There’s minimal precipitation at 5 mm (0.2 in) over just one day, and humidity levels sit at 32%, providing a relatively comfortable environment for outdoor activities. In contrast, July intensifies the heat significantly, showcasing a minimum temperature of 29°C (85°F) and soaring to an average high of 40°C (105°F), with maximum temperatures reaching a blistering 52°C (126°F). Notably, July experiences no rainfall and humidity plummets to 11%, contributing to a dry and extremely hot climate. For more detailed information, refer to Khorramshahr weather in July.

When comparing the weather in May and August, we can see a notable increase in temperatures and a significant drop in humidity. In May, temperatures range from a minimum of 20°C (69°F) to a maximum of 48°C (119°F), with an average of 34°C (93°F) and a slight precipitation of 5 mm (0.2 in) over one day. Conversely, August features even higher temperatures, with a minimum of 27°C (81°F), an average of 39°C (103°F), and a maximum reaching 52°C (125°F). Notably, August experiences no precipitation at all, boasting 0 mm (0.0 in) and 0 days of rain, along with a lower humidity of 12%. For more details on Khorramshahr weather in August, you can explore further.

In May, the weather features a minimum temperature of 20°C (69°F) and averages around 34°C (93°F), with a maximum soaring to 48°C (119°F). The month experiences very little rainfall, receiving only 5 mm (0.2 in) over the course of just one day, and humidity levels are at 32%. In contrast, September sees slightly warmer conditions, with a minimum of 21°C (69°F) and an average peaking at 36°C (97°F), while the maximum reaches an impressive 49°C (121°F). Rainfall is virtually non-existent, with only 1 mm (0.0 in) reported over zero days, and humidity drops to a low 17%. For a closer look at the weather specifics, check out Khorramshahr weather in September.

In May, the weather is characterized by significantly higher temperatures, with a minimum of 20°C (69°F) and an average peak of 34°C (93°F), reaching up to a sweltering maximum of 48°C (119°F). The month sees very little rainfall, recording only 5 mm (0.2 in) over just one day, and humidity is relatively low at 32%. In contrast, October experiences milder temperatures, with a minimum of 12°C (54°F) and an average of 30°C (85°F), peaking at a maximum of 45°C (113°F). Although it receives slightly more precipitation at 8 mm (0.3 in) over the same one day, the humidity remains comparable at 33%. For a detailed look at October's weather, visit Khorramshahr weather in October.

In May, temperatures in Khorramshahr can reach a scorching average of 34°C (93°F), with highs soaring up to 48°C (119°F), while humidity remains relatively low at 32%. The month also experiences minimal precipitation, with only 5 mm (0.2 in) falling over just one day. In contrast, November brings a significant drop in temperatures, with averages around 21°C (70°F) and a maximum of 36°C (97°F), while nighttime lows can dip to a cooler 8°C (46°F). Additionally, November is much wetter, recording 96 mm (3.8 in) of rainfall over five days, and the humidity rises to 48%. For a detailed look at the conditions, check out Khorramshahr weather in November.

May and December present starkly contrasting weather conditions. In May, temperatures soar from a minimum of 20°C (69°F) to an average of 34°C (93°F), peaking at a scorching 48°C (119°F), with only minimal precipitation of 5 mm (0.2 in) over a single day and low humidity at 32%. In contrast, December experiences much cooler temperatures, ranging from a minimum of 5°C (41°F) to an average of 16°C (61°F) and a maximum of 28°C (83°F). This month also sees increased precipitation at 37 mm (1.4 in) spread over four days, alongside higher humidity levels at 50%. For more details on December weather, visit Khorramshahr weather in December.

Compare Khorramshahr's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Khorramshahr

As May rolls into Khorramshahr, the weather shifts dramatically, marked by the sweltering heat characteristic of summer. With temperatures hitting their peak, the warmth becomes a defining feature of the month, offering a stark contrast to the cooler days of earlier spring months. Rainfall is a rare occurrence, with minimal precipitation, making May typically dry and sunny, perfect for outdoor activities in the long daylight hours. However, the lower humidity of around 32% provides some relief from the intense heat, allowing residents and visitors to enjoy the vibrant landscapes without being overwhelmed by oppressive conditions. For a comprehensive look at Khorramshahr's unique climate, visit Khorramshahr Climate.