May Weather in Rasht, Iran

Last updated: August 21, 2025

In May, Rasht, Iran experiences a delightful mix of warmth and refreshing rain. With maximum temperatures reaching up to 36°C (97°F) and an average of 19°C (67°F), the month showcases the transition into summer. However, cool breezes can be felt with a minimum temperature dipping to 8°C (47°F). The city sees 53 mm (2.1 in) of rainfall spread over 9 days, contributing to its characteristic lush greenery. Maintaining an average humidity level of 65%, May in Rasht is not just about the warmth but also the invigorating freshness brought by its occasional showers.

May Temperature in Rasht

In May, Rasht experiences a notable transition towards warmer weather, with temperatures reflecting a marked increase compared to the previous months. The minimum temperature rises to a comfortable 8°C (47°F), while the average reaches a pleasant 19°C (67°F), perfect for outdoor activities. The maximum temperature peaks at a striking 36°C (97°F), signaling the onset of summer's warmth. This upward trend from the cooler spring months highlights May as a pivotal time in Rasht, setting the stage for the sweltering heat that follows in June and beyond. As flowers bloom and days grow longer, May serves as a vibrant prelude to Rasht's sunny season, inviting both locals and travelers to enjoy the lush landscapes and lively atmosphere.

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

The chart illustrates May temperature patterns in Rasht, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rasht, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464651576775797772635550
Data source: Temperature data for Rasht 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 Rasht

May in Rasht, Iran, marks a distinct shift in precipitation patterns, with rainfall dropping to 53 mm (2.1 in) over just 9 days. This is a noticeable decline from the wetter months preceding it, where January through April boast monthly totals between 110 mm and 153 mm. Despite this reduction, May remains a pivotal month as the region transitions toward the warmer summer months, setting the stage for a dip in rainfall into June with only 33 mm (1.3 in) expected. This trend emphasizes Rasht's characteristic shift from the lush, rainy spring into drier temperatures, highlighting the city's unique climate dynamics.

May Precipitation Trends in Rasht

The chart displays monthly precipitation patterns in Rasht, 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 Rasht, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec110153114120533398102179214246126
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rasht

In Rasht, Iran, May brings a comfortable humidity level of 65%, a continuation of the slight decline seen since April. This trend showcases the city's transition into the warmer months, as humidity gradually decreases from the higher levels of winter and early spring. While January and February each experience a peak humidity of 75%, conditions begin to ease into 65% by both May and June. This gradual reduction hints at an upcoming, drier summer, particularly as July and August see even lower humidity at 61% and 49%, respectively. As the city moves toward the height of summer, the May weather offers a pleasant balance, allowing residents to enjoy the beauty of the spring season before the humidity drops significantly in the hotter months ahead.

May Average Humidity in Rasht

This chart illustrates the average monthly humidity levels in Rasht, 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 Rasht is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%72%65%65%65%61%49%58%73%75%72%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rasht

In May, Rasht, Iran, experiences a significant rise in the UV Index, reaching an extreme level of 11. This notable increase from previous months marks a shift from a moderate to very high exposure category, comparable to the values seen in March and April, but with a greater risk of harm from sun exposure. While earlier months allowed for a burn time of 30 minutes, May shrinks this considerably to just 10 minutes, underscoring the need for caution. As the year progresses, the UV Index typically remains high, but May distinctly signifies the start of a peak season for sun intensity. For more detailed information on UV levels throughout the year, check out Rasht UV Index.

Maximum UV Index Levels in Rasht for May

The chart shows the monthly maximum UV Index (UVI) for Rasht 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 Rasht typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec448811101098643
Data source: Rasht 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 Rasht

In Rasht, Iran, the month of May shines with an impressive 377 hours of sunshine, marking a peak in a steady upward trend that begins in the chill of winter. After a gradual increase from 206 hours in January, the sunlight hours surge as spring approaches, reaching 315 hours in April. May not only crowns the spring but also sets the stage for the sunny months ahead, as June follows closely with 391 hours. This robust increase showcases Rasht’s transition into summer, offering delightful days bathed in sunlight, perfect for outdoor activities and enjoying the vibrant natural landscape.

Monthly Sunshine Duration in Rasht: May Highlighted

The May sunshine duration represents the total number of hours Rasht 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.
JanFebMarAprMayJunJulAugSepOctNovDec206h245h302h315h377h391h381h363h319h285h232h249h
Data source: Rasht May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rasht During May

In Rasht, Iran, the likelihood of sunny weather in May reflects a transitional period as the region shifts from a relatively wetter spring into a warmer summer. With a 47% chance of sun, May presents a moderate opportunity for clear skies compared to the preceding months, such as March, which has only a 25% chance. Interestingly, this slight increase in sunshine is a precursor to the sunnier months ahead, especially June and August, which boast probabilities of 71% and 74%, respectively. Overall, May serves as a bridge, promising a mix of sunshine and occasional clouds, while hinting at the upcoming vibrant summer days that follow.

Percentage of Sunny Days in May in Rasht

The chart illustrates the percentage of sunny days in Rasht 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 Rasht experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec64%43%26%51%47%71%53%74%41%29%48%60%
Data source: Rasht May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rasht in May

In Rasht, Iran, the progression of daylight duration throughout the year reveals a captivating seasonal rhythm. As winter recedes, January and February offer a modest 9 to 10 hours of daylight, gradually increasing as spring approaches. March marks a transition, bringing 11 hours of light, while April ushers in a more vibrant 13 hours, paving the way for the sun-drenched days of May, when daylight peaks at 14 hours. This luminous stretch continues throughout June and July, maintaining that radiance before the gentle pull of autumn starts to unfold. August sees a slight decrease, tapering back to 13 hours, while September and October gradually return to the 12 and 11 hours of earlier months. The cycle draws to a close in winter, as daylight once again dwindles to 9 hours in December, completing the year's dance of light and shadow in Rasht.

Average Daylight Hours in Rasht for May

The chart illustrates the variation in daylight duration in Rasht throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 54m10h 48m11h 58m13h 9m14h 10m14h 40m14h 24m13h 31m12h 23m11h 11m10h 9m9h 37m
Data source: Rasht daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Rasht

In May, Rasht experiences a gentle breeze with an average wind speed of 1.8 m/s (4 mph), which mirrors the slightly calming winds of both April and June. This consistent low wind speed suggests a tranquil transition into the summer months, maintaining a serene atmosphere that is characteristic of this lush region. Following a gradual decrease from the peak winds of January at 2.5 m/s (6 mph), Rasht's winds appear to stabilize as the year progresses, particularly during the late spring and summer months. May serves as a gentle reminder of the tranquility that defines Rasht, making it an ideal time to savor the lush scenery while enjoying the moderate breezes.

Average May Wind Speed in Rasht

The chart displays monthly wind speed patterns in Rasht, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.02.01.81.8 m/s1.81.91.71.81.62.02.3
Data source: Rasht May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Rasht Compares to Other Months

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

In comparing the weather between May and January, we can see a stark contrast. May features a minimum temperature of 8°C (47°F) and an average of 19°C (67°F), with a maximum reaching up to 36°C (97°F), creating a warm and pleasant atmosphere ideal for outdoor activities. Conversely, January experiences much lower temperatures, with a minimum of -9°C (16°F), an average of 8°C (46°F), and a maximum of 22°C (71°F), leading to a colder and more wintry environment. Precipitation is also notable, as May receives 53 mm (2.1 in) over about 9 days, while January has a higher total of 110 mm (4.3 in) spread across 10 days, contributing to a humid January with 75% humidity compared to May's 65%. For more detailed insights into January weather in Rasht, you can visit Rasht weather in January.

May and February present contrasting weather patterns. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 36°C (97°F), with an average of 19°C (67°F). The month sees lighter precipitation at 53 mm (2.1 in) over approximately 9 days and a humidity level of 65%. In stark contrast, February experiences much colder temperatures, with a minimum of -9°C (16°F) and a maximum of 25°C (77°F), averaging around 8°C (46°F). Additionally, February is considerably wetter, receiving 153 mm (6.0 in) of precipitation across 13 days and boasting a higher humidity of 75%. For more details on February weather, visit Rasht weather in February.

In comparing the weather of May to that of March, it's clear that May is considerably warmer, with average temperatures rising from 11°C (52°F) in March to 19°C (67°F) in May. While March experiences cooler nights, with a minimum temperature of -1°C (30°F), May's lows are far milder at 8°C (47°F). Additionally, May has a maximum temperature that can soar up to 36°C (97°F), contrasting sharply with March’s peak of 29°C (85°F).

However, March is notably wetter, receiving 114 mm (4.5 in) of precipitation over 15 days compared to May's 53 mm (2.1 in) over 9 days. This results in higher humidity levels in March, at 72%, compared to May's 65%. For more detailed information on March weather in Rasht, you can visit Rasht weather in March.

In comparing the weather of April and May, it’s clear that May experiences significantly warmer temperatures, with an average of 19°C (67°F) compared to April's average of 14°C (57°F). The maximum temperature in May can reach up to 36°C (97°F), while April's peak is 31°C (89°F). However, April is notably wetter, receiving 120 mm (4.7 in) of precipitation over 13 days, compared to May's 53 mm (2.1 in) over 9 days. Both months exhibit the same humidity level of 65%, making them humid but varying in their overall warmth and rainfall. For more details on April weather specifics, you can check Rasht weather in April.

In comparing the weather between May and June, we observe a distinct warming trend as June shows a higher average temperature of 24°C (76°F) compared to May's 19°C (67°F). May hosts a wider temperature range, with maximum temperatures reaching up to 36°C (97°F), while June maintains a slightly lower maximum of 35°C (96°F). Precipitation decreases significantly in June, with only 33 mm (1.3 in) over 5 days, compared to May's 53 mm (2.1 in) over 9 days, indicating a drier month ahead. Interestingly, both months share the same level of humidity at 65%, creating a consistently humid atmosphere. For more detailed information, you can check Rasht weather in June.

In comparing the weather between May and July, May typically experiences a wider range of temperatures, with a minimum of 8°C (47°F) and an average of 19°C (67°F), peaking at a maximum of 36°C (97°F). In contrast, July has a warmer base, starting at a minimum of 15°C (60°F) and averaging 26°C (79°F), while also reaching a maximum of 36°C (98°F). When it comes to precipitation, May sees about 53 mm (2.1 in) over 9 days, whereas July has higher rainfall totaling 98 mm (3.8 in) over 10 days. The humidity levels are fairly similar, with May at 65% and July slightly lower at 61%. For more insights on July weather, you can check Rasht weather in July.

May and August present distinct contrasts in weather patterns. In May, temperatures range from a mild 8°C (47°F) to a warm 36°C (97°F), with an average of 19°C (67°F). This month experiences 53 mm (2.1 in) of precipitation over 9 days, coupled with a humidity level of 65%, creating a relatively humid environment. On the other hand, August sees a higher minimum temperature of 13°C (56°F) and a more comfortable average of 25°C (78°F), with the maximum reaching 36°C (98°F). While precipitation increases to 102 mm (4.0 in) over 10 days, humidity drops to 49%, resulting in a drier feel compared to May. For more details on the August weather, you can refer to this link: Rasht weather in August.

May and September both present warm temperatures, with max temperatures reaching up to 36°C (97°F) in each month. However, May typically experiences lower average temperatures, ranging from a minimum of 8°C (47°F) to an average of 19°C (67°F), while September warms up with a minimum of 12°C (53°F) and an average of 22°C (72°F). When it comes to precipitation, September sees a significantly higher amount, with 179 mm (7.0 in) over 15 days, compared to May's 53 mm (2.1 in) over 9 days. Additionally, humidity levels are slightly lower in September at 58%, compared to May's 65%. For more specifics about the weather in September, check out Rasht weather in September.

In May, temperatures in the region can swing dramatically, with a minimum of 8°C (47°F) and a maximum reaching up to 36°C (97°F), resulting in an average of 19°C (67°F). The month typically experiences around 53 mm (2.1 in) of precipitation spread over nine days and a moderate humidity level of 65%. In contrast, October sees cooler temperatures, with a minimum of 7°C (44°F) and a maximum of 31°C (88°F), leading to a slightly lower average temperature of 17°C (64°F). However, October is marked by significantly higher precipitation, totaling 214 mm (8.4 in) over about 15 days and a rise in humidity to 73%. For more detailed weather information, you can check Rasht weather in October.

In comparing the weather of May and November, notable differences emerge. May boasts a range of temperatures from a minimum of 8°C (47°F) to a maximum of 36°C (97°F), with an average of 19°C (67°F). The month features relatively low precipitation, totaling 53 mm (2.1 in) over about 9 days, and a humidity level of 65%. In contrast, November experiences much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 27°C (81°F), averaging at 13°C (55°F). This month sees significantly higher precipitation, reaching 246 mm (9.7 in) over 15 days, along with a higher humidity level of 75%. For more detailed insights, you can check out this link: Rasht weather in November.

May and December present stark contrasts in weather. In May, temperatures range from a comfortable minimum of 8°C (47°F) to a warm maximum of 36°C (97°F), with an average of 19°C (67°F). This month also sees moderate precipitation of 53 mm (2.1 in) over about 9 days and a humidity level of 65%. In contrast, December experiences much cooler temperatures, with a minimum of -3°C (26°F) and an average of 10°C (50°F), peaking at 26°C (80°F). Precipitation sharply increases to 126 mm (5.0 in) across roughly 12 days, accompanied by higher humidity at 72%. For those interested in the specifics of December weather, more details can be found here: Rasht weather in December.

Compare Rasht's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Rasht

May in Rasht marks a delightful transition to warmer weather, where the temperatures begin to rise substantially compared to the cooler months. With an average of 19°C, the city experiences pleasant days, though it can peak at a toasty 36°C. This month also sees an increase in humidity, creating a more tropical feel that contrasts significantly with the drier winter months. While May does see some rain, accumulating to about 53 mm over roughly nine days, this is relatively moderate when compared to the heavy precipitation often sustained in the preceding months. Overall, May offers a lovely blend of warmth and moisture, setting the tone for the summer months ahead. For a deeper dive into the climate patterns, check out Rasht Climate.