May Weather in Kermanshah, Iran

Last updated: August 21, 2025

May in Kermanshah, Iran offers a delightful transition into warmer weather, marked by a maximum temperature reaching 33°C (92°F) and a comfortable average of 18°C (65°F). The month experiences a minimum temperature that can dip to 6°C (43°F), providing a refreshing contrast to the daytime heat. With a total precipitation of 41 mm (1.6 in) over nine rainy days, the month sees a pleasant blend of sunny intervals and refreshing showers, contributing to an overall humidity level of 48%. This harmonious weather pattern makes May an attractive time to experience the natural beauty and cultural richness of Kermanshah.

May Temperature in Kermanshah

As May arrives in Kermanshah, the city transitions into warmer weather, marking a clear departure from the chill of winter. With minimum temperatures beginning at a comfortable 6°C (43°F) and soaring to an inviting maximum of 33°C (92°F), residents and visitors alike can enjoy the pleasant average of 18°C (65°F). This month often serves as a precursor to the intense summer heat, highlighting a significant upward trend in temperatures compared to the preceding months. The gradual increase in warmth from earlier spring temperatures showcases the region's shift towards a vibrant, sun-soaked atmosphere, making May an ideal time for outdoor activities and exploration.

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

The chart illustrates May temperature patterns in Kermanshah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kermanshah, 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).
JanFebMarAprMayJunJulAugSepOctNovDec374047556576848375624841
Data source: Temperature data for Kermanshah 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 Kermanshah

In May, Kermanshah experiences a notable decline in precipitation, receiving only 41 mm (1.6 inches) of rain over 9 days. This decrease marks a significant drop from the wetter months of early spring, where rainfall was substantially higher—averaging around 93 mm in April and over 100 mm in both February and March. As spring transitions into summer, the shift is clear; the abundance of rain begins to wane, paving the way for the dry months ahead, with June anticipating just 2 mm of precipitation. This pattern highlights the region's typical climatic progression, where May serves as a bridge between the lushness of spring and the arid summer that follows.

May Precipitation Trends in Kermanshah

The chart displays monthly precipitation patterns in Kermanshah, 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 Kermanshah, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6110210193412001216270
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kermanshah

In Kermanshah, Iran, May marks a noteworthy transition in humidity levels. With an average humidity of 48%, it significantly drops from the preceding months, reaching the lowest point before the dry summer kicks in. This decline from 56% in April highlights the shifting climate patterns as spring gives way to the hot months ahead, where June sees humidity plummet to just 35%. This trend reflects a broader seasonal cycle, where the lushness of spring gradually yields to the arid conditions of summer, making May a pivotal moment in Kermanshah's climatic narrative. As the air becomes drier, the vibrant colors of spring begin to fade, setting the stage for the warm, sun-soaked days that follow.

May Average Humidity in Kermanshah

This chart illustrates the average monthly humidity levels in Kermanshah, 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 Kermanshah is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%67%66%56%48%35%25%22%27%46%60%72%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Kermanshah

In May, Kermanshah experiences a notable increase in the UV Index, reaching an extreme level of 13. This significant rise from the moderate conditions in January (UV Index 4) signals a shift towards higher sun exposure, culminating in a burn time of just 10 minutes for those venturing outdoors. The trend of increasing UV levels continues into June and July, where the index remains high at 12 before slightly declining in subsequent months. As summer approaches, the intensity of sunlight poses a greater risk, indicating the importance of sun safety measures. For more detailed insights on UV radiation in Kermanshah, visit the Kermanshah UV Index.

Maximum UV Index Levels in Kermanshah for May

The chart shows the monthly maximum UV Index (UVI) for Kermanshah 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 Kermanshah typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101312121110754
Data source: Kermanshah 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 Kermanshah

May marks a brilliant turning point in Kermanshah, Iran, as the sun shines its brightest with 389 hours of glorious daylight, paving the way for long, vibrant days. This month not only outshines April's already impressive 341 hours, but it also sets the stage for a sun-soaked summer, as June follows closely with 400 hours of sunlight. The steady increase in daylight hours from January's modest 222 hours to May highlights a captivating transition from winter's embrace to the warmth of early summer. As the year progresses, Kermanshah experiences a radiant atmosphere, making May an ideal time to embrace outdoor activities while basking in the rich glow of springtime sun.

Monthly Sunshine Duration in Kermanshah: May Highlighted

The May sunshine duration represents the total number of hours Kermanshah 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.
JanFebMarAprMayJunJulAugSepOctNovDec222h264h319h341h389h400h399h384h349h322h277h264h
Data source: Kermanshah May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kermanshah During May

May in Kermanshah, Iran, heralds a significant uptick in sunny days, boasting a 77% chance of sunshine. This month stands out as a transition point, with the probability of clear skies elevating from April's 65%, setting the tone for the vibrant, sun-drenched months ahead. As the region moves into the summer, sunny weather becomes almost a guarantee, peaking at 98% in July and August. This delightful trend highlights May as an ideal time to enjoy Kermanshah's growing greenery and blooming flowers, before the scorching summer heat takes hold. It's a month where the warmth of the sun becomes increasingly embraced, promising opportunities for outdoor adventures and leisurely activities under bright, clear skies.

Percentage of Sunny Days in May in Kermanshah

The chart illustrates the percentage of sunny days in Kermanshah 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 Kermanshah experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec67%62%57%65%77%97%98%90%99%87%58%48%
Data source: Kermanshah May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kermanshah in May

In Kermanshah, Iran, the trend in daylight duration reflects the rhythmic dance of the seasons. January and February usher in the year with a steady 10 hours of daylight, paving the way for a gradual increase as spring approaches. March brings a hint of change with 11 hours, followed by a leap to 13 hours in both April and May, where the days grow pleasantly longer. As summer peaks in June and July, the city enjoys the maximum daylight of 14 hours, creating ample opportunity for outdoor activities. However, as August transitions into early autumn, daylight begins its slow decline, returning to 13 hours in August, then tapering to 12 hours in September and further down to 10 hours by November. Finally, December invites the shortest day of the year with just 9 hours of light, marking the return to winter's embrace. This cyclical pattern beautifully illustrates the passage of time in Kermanshah, inviting residents to savor each season's unique charm.

Average Daylight Hours in Kermanshah for May

The chart illustrates the variation in daylight duration in Kermanshah throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 8m10h 56m11h 58m13h 2m13h 56m14h 23m14h 9m13h 22m12h 21m11h 17m10h 21m9h 53m
Data source: Kermanshah daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Kermanshah

In Kermanshah, Iran, May brings mild breezes, with an average wind speed of 2.1 m/s (5 mph). This marks a slight dip from the preceding months, where winds ranged between 2.3 to 2.4 m/s in April and June. Overall, the trend reveals a pattern of consistent, gentle winds throughout the spring and summer, maintaining a steady pace around 2.1 to 2.4 m/s. While the wind speeds in the colder months drop to around 1.7 to 1.9 m/s, the arrival of May signifies a transition to slightly breezier days, creating a refreshing atmosphere perfect for outdoor activities as the warmer weather sets in.

Average May Wind Speed in Kermanshah

The chart displays monthly wind speed patterns in Kermanshah, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.92.32.32.1 m/s2.42.32.12.21.91.71.9
Data source: Kermanshah May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Kermanshah Compares to Other Months

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

In comparing the weather between May and January, it's clear that there is a stark contrast in temperatures and humidity levels. May showcases a much warmer climate, with average temperatures reaching 18°C (65°F) and highs soaring up to 33°C (92°F), while January's average hangs around a chilly 3°C (37°F) with maximums only reaching 16°C (61°F). Additionally, May experiences more comfortable humidity at 48%, in contrast to January's higher levels at 69%. Precipitation is notably different as well, with May receiving 41 mm (1.6 in) over 9 days compared to January's heavier 61 mm (2.4 in) also spread over 9 days. For more detailed insights, visit Kermanshah weather in January.

When comparing the weather in May and February, there is a stark contrast in temperatures and conditions. May typically experiences milder temperatures, with a minimum of 6°C (43°F) and an average high reaching 33°C (92°F), while February has a much colder range, with lows plummeting to -11°C (13°F) and a maximum of only 18°C (65°F). Additionally, precipitation levels differ significantly: May has 41 mm (1.6 in) of rain over 9 days, in contrast to February's higher 102 mm (4.0 in) spread across 10 days. Humidity is also higher in February, at 67%, compared to May's 48%. For more details on February's weather, you can visit Kermanshah weather in February.

In comparing the weather of May and March, May typically showcases milder and warmer conditions, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 33°C (92°F). In contrast, March experiences much cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 25°C (77°F), resulting in a lower average of 8°C (47°F). Precipitation also differs significantly, as March records 101 mm (4.0 in) over 11 days, while May has a lighter rainfall of 41 mm (1.6 in) across 9 days. Additionally, March's humidity is higher at 66%, compared to May's 48%. For those interested in more details on March weather, you can visit Kermanshah weather in March.

In comparing the weather of May and April, significant differences emerge in both temperature and precipitation levels. May boasts a wider temperature range, with minimums of 6°C (43°F) and maximums reaching up to 33°C (92°F), leading to a comfortable average of 18°C (65°F). In contrast, April sees much cooler temperatures, with lows dipping to -1°C (30°F) and highs peaking at 28°C (82°F), resulting in a lower average of 13°C (56°F). Precipitation also varies notably, with May experiencing 41 mm (1.6 in) of rain over 9 days, while April has a heavier rainfall total of 93 mm (3.7 in) across 12 days. Additionally, humidity levels are higher in April at 56% compared to May’s 48%. For more detailed information, you can refer to Kermanshah weather in April.

May and June exhibit distinct differences in weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 33°C (92°F), with an average of 18°C (65°F). The month sees moderate precipitation of 41 mm (1.6 in) over 9 days, contributing to a humidity level of 48%. In contrast, June experiences warmer conditions with temperatures starting at a minimum of 10°C (50°F) and soaring up to 39°C (103°F), averaging 24°C (76°F). Remarkably, June is much drier, with only 2 mm (0.1 in) of precipitation and no rainy days, leading to a lower humidity level of 35%. For more detailed weather information, check out the link: Kermanshah weather in June.

In May, temperatures in Kermanshah range from a minimum of 6°C (43°F) to a maximum of 33°C (92°F), with an average of 18°C (65°F). This month also sees moderate precipitation, averaging 41 mm (1.6 in) over about 9 days, along with a humidity level of 48%. In contrast, July experiences much warmer weather, with temperatures ranging from 15°C (59°F) to a scorching maximum of 41°C (106°F) and an average of 29°C (84°F). Remarkably, July records no rainfall, with 0 mm of precipitation over 0 days, resulting in a significantly lower humidity of 25%. For more detailed information, you can visit Kermanshah weather in July.

In May, the weather is characterized by a wider temperature range, with minimums around 6°C (43°F) and maximums peaking at 33°C (92°F). The average temperature is a mild 18°C (65°F), accompanied by 41 mm (1.6 in) of precipitation over about 9 days, leading to a humidity level of 48%. In contrast, August experiences significantly warmer conditions, with minimum temperatures rising to 14°C (58°F) and maximums soaring to a scorching 40°C (105°F). The average temperature for this month is a heat-inducing 28°C (83°F), but the humidity drops to a comfortable 22%, and notably, there is no recorded precipitation. For more detailed insights, check out Kermanshah weather in August.

In May, temperatures in Kermanshah range from a cool minimum of 6°C (43°F) to a warm maximum of 33°C (92°F), with an average temperature of 18°C (65°F). The month experiences moderate precipitation, averaging 41 mm (1.6 in) over about 9 days, and the humidity level sits at 48%.

Conversely, September brings milder temperatures, with a minimum of 9°C (48°F) and a much warmer average of 24°C (76°F), reaching highs of 38°C (101°F). Notably, precipitation is minimal, with just 1 mm recorded over 0 days, and the humidity drops to a comfortable 27%. For more details on the September weather, you can refer to Kermanshah weather in September.

In May, the weather is warmer with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 33°C (92°F), and an average temperature of 18°C (65°F). The month sees approximately 41 mm (1.6 in) of rainfall over about 9 days, contributing to a humidity level of 48%. In contrast, October experiences slightly cooler conditions, with temperatures varying from a minimum of 3°C (37°F) to a maximum of 33°C (91°F), yielding an average of 17°C (62°F). October also enjoys drier weather, with only 21 mm (0.8 in) of precipitation over just 4 days, and a marginally lower humidity level of 46%. For more details, you can check Kermanshah weather in October.

May and November present distinct weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 33°C (92°F), with an average of 18°C (65°F) and relatively low humidity at 48%. The month sees an average precipitation of 41 mm (1.6 in) over approximately 9 days. In contrast, November experiences cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 24°C (76°F), averaging at 9°C (48°F). This month also sees increased precipitation at 62 mm (2.4 in), maintaining the same frequency of 9 rainy days but with higher humidity at 60%. For a more detailed look at the weather in November, visit Kermanshah weather in November.

When comparing the weather in May and December, we see significant contrasts. May enjoys mild to warm temperatures, with averages around 18°C (65°F) and highs reaching up to 33°C (92°F), making it a pleasant month for outdoor activities. In contrast, December brings much colder conditions, with average temperatures of 5°C (41°F) and lows dropping to -6°C (21°F). Additionally, December experiences higher precipitation, totaling 70 mm (2.8 in) over 9 days, compared to May's 41 mm (1.6 in). The humidity also rises in December to 72%, contributing to a chillier atmosphere. For more detailed insights, you can check Kermanshah weather in December.

Compare Kermanshah's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Kermanshah

As May unfolds in Kermanshah, the weather strikes a delightful balance between warmth and mildness. With maximum temperatures peaking at a comfortable 33°C (92°F), the city begins to shed the chill of winter, transitioning into sunnier days filled with average temperatures around 18°C (65°F). Unlike the wetter months that precede it, May witnesses a seasonal decrease in precipitation, with only about 41 mm (1.6 in) over roughly 9 days—a refreshing shift that makes outdoor activities more enjoyable. The humidity, hovering around 48%, adds a pleasant touch to the overall climate, setting the stage for a vibrant month ahead. For more insights on Kermanshah's weather patterns throughout the year, check out Kermanshah Climate.