Last updated: August 21, 2025
April in Isfahan, Iran brings a delightful transition into spring, featuring maximum temperatures reaching 32°C (90°F) and an average of 18°C (64°F). While the days can be warm, nighttime temperatures can dip to a chilly 1°C (35°F), inviting layers for evening strolls. Rainfall is modest, with 17 mm (0.7 in) spread over about 5 days, contributing to the region's lush awakening. With a humidity level of 54%, the air carries a refreshing quality, making this month a captivating time to experience the beauty of Isfahan.
In Isfahan, Iran, April marks a delightful transition into warmer weather. With minimum temperatures rising to 1°C (35°F) and peaking at a comfortable 32°C (90°F), the month offers an average of 18°C (64°F), setting the stage for enjoyable outdoor activities. After the chill of winter, the gradual warming trend is evident as temperatures leap from the cooler averages of March to the more inviting conditions of late spring. This makes April an ideal time to explore the city's stunning architecture and vibrant culture before the summer heat intensifies. The increasing warmth not only invites travelers but also breathes life into the stunning gardens and bustling bazaars that Isfahan is known for.
In April, Isfahan experiences a notable peak in precipitation, with an average of 17 mm (0.7 in) falling over five days. This slightly decreases from the previous month’s 18 mm, but still highlights a trend of increasing rainfall during spring. Following the relatively dry winter months of January and February, which recorded 8 mm (0.3 in) and 11 mm (0.4 in) respectively, April's showers signal a transition towards the wetter months ahead. However, as summer approaches, the precipitation sharply declines, with near-zero rainfall expected in June and July. Thus, April stands out as a pivotal month, bridging the dry winter to the dry summer while providing a brief yet refreshing respite in Isfahan's climate.
In April, Isfahan experiences a noticeable dip in humidity, averaging 54%, signaling the transition into the warmer months. This is part of a broader trend, as humidity levels steadily decrease from the 60% mark seen in March. As the city approaches the summer, there’s a gradual decline towards the drier conditions of May, which records just 49% humidity. The spring air begins to warm, leading to increasingly arid conditions that will dominate the summer months, with July and August plummeting to 24% and 20% respectively. Overall, April serves as a pivotal point in Isfahan’s annual climatic cycle, offering a brief pause before the heat sets in and humidity levels plummet.
As April rolls into Isfahan, residents and visitors can expect a very high UV Index of 10, keeping burn time at a brisk 15 minutes. This trend continues from March, when the UV Index also peaked at 10, indicating a significant rise in solar intensity as spring progresses. The months leading up to April show a clear pattern of increasing UV levels, climbing from a moderate index in January to this current high, which underscores the importance of sun protection. As warmer months approach, individuals should remain vigilant, especially with May's forecasted extreme UV Index of 13 looming just around the corner. For more detailed information on UV exposure, visit the comprehensive guide at Isfahan UV Index.
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As April arrives in Isfahan, the city basks in 347 hours of radiant sunshine, marking a steady increase in daylight compared to the previous months. With a gradual climb from 240 hours in January to 291 hours in February and a significant leap to 344 hours in March, April’s sunshine sets the stage for a vibrant spring. The trend continues into May and June, where the daylight peaks, showcasing Isfahan's allure under a sunlit sky. This progressive rise in sunshine hours not only enhances the city's picturesque landscapes but also invites locals and visitors alike to relish the breathtaking beauty of an Isfahan spring.
As April arrives in Isfahan, the likelihood of sunny days starts to wane, dropping to 61%—a noticeable decline from the sun-drenched months leading up to it. While this figure marks a clear shift when compared to the preceding months, especially January’s impressive 87%, the overall trend suggests that spring still offers a fair share of sunshine. Following April, the warmth of May sees a rebound with 70% chance of sun, before the peak summer months burst forth with the dazzling brilliance of above 90%. Thus, while April may introduce some clouds, it's merely a brief interlude in Isfahan's typically radiant climate.
As spring unfolds in Isfahan, April brings a delightful increase in daylight duration, with the sun gracing the city for 12 hours each day. This marks a noticeable rise from the 11 hours of both February and March, signaling a gradual transition towards the long, sunlit days of summer. The trend is clearly upward, as daylight will continue to stretch further, reaching its peak in June with 14 hours of precious sunshine. This progression not only brightens the landscape but also invites residents and visitors alike to revel in the vibrant outdoor life that the longer days encourage.
In April, Isfahan experiences a refreshing shift in its winds, with an average speed of 2.4 m/s (5 mph). This month marks a notable peak when compared to the preceding months, creating a gentle breeze that dances through the historical streets and gardens. While March boasts a higher wind speed of 2.8 m/s (6 mph), April's conditions remain favorable, making it a delightful time for outdoor activities as the winds begin to stabilize, transitioning towards the milder summer months ahead. As the city welcomes the warmth, the winds become a soothing companion, enhancing the charm of Isfahan's vibrant atmosphere.
Weather in Isfahan varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Isfahan, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present contrasting weather conditions. In April, temperatures can range from a chilly minimum of 1°C (35°F) to a warm maximum of 32°C (90°F), with an average of 18°C (64°F). The month enjoys 17 mm (0.7 in) of precipitation over five days, accompanied by a moderate humidity level of 54%. In contrast, January is much cooler, with temperatures dipping as low as -8°C (18°F) and peaking at a mild 18°C (66°F), averaging only 4°C (40°F). Precipitation is less frequent, totaling 8 mm (0.3 in) over just two days, and the humidity is slightly higher at 60%. For more detailed information, you can visit Isfahan weather in January.
April weather in Isfahan is notably warmer than February, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 32°C (90°F), resulting in a comfortable average of 18°C (64°F). In contrast, February experiences colder conditions, with temperatures ranging from a chilly -8°C (18°F) to a maximum of 23°C (74°F) and an average of only 8°C (46°F). Additionally, April sees slightly more rainfall, with 17 mm (0.7 in) over about five days, compared to February's 11 mm (0.4 in) over three days. Humidity levels are similar, with April at 54% and February slightly higher at 56%. For more detailed insights, you can check the Isfahan weather in February.
In comparing the weather of April and March, it's evident that April offers milder temperatures with an average of 18°C (64°F) compared to March's cooler average of 12°C (55°F). While both months experience relatively similar maximum temperatures—31°C (87°F) in March and 32°C (90°F) in April—April starts with a noticeably warmer minimum temperature of 1°C (35°F), in contrast to March's chilly -5°C (24°F). Precipitation levels are consistent between the two months, each receiving approximately 17-18 mm of rain, with April seeing a slight increase in rainy days to five. Humidity is slightly lower in April at 54% compared to March’s 60%, indicating a drier feel as spring progresses. For more detailed information on March's climate, you can visit Isfahan weather in March.
April and May present a noticeable shift in weather patterns. April experiences a minimum temperature of 1°C (35°F) and an average of 18°C (64°F), with highs reaching up to 32°C (90°F). The month sees around 17 mm (0.7 in) of precipitation over five days, alongside a humidity level of 54%. In contrast, May brings warmer temperatures, with a minimum of 8°C (47°F) and an average of 23°C (73°F), peaking at 37°C (99°F). The precipitation in May is slightly lower at 13 mm (0.5 in) but occurs over only three days, contributing to a humidity level of 49%. For detailed insights into the weather, you can check Isfahan weather in May.
In comparing the weather between April and June, there is a stark contrast in temperatures and precipitation levels. April experiences a wider range of temperatures, with a minimum of 1°C (35°F) and a maximum of 32°C (90°F), averaging around 18°C (64°F). It also sees some precipitation, with about 17 mm (0.7 in) falling over five days, accompanied by a humidity level of 54%.
In contrast, June is considerably warmer, with minimum temperatures starting at 15°C (58°F) and soaring to a maximum of 41°C (107°F), yielding an average temperature of 29°C (85°F). Remarkably, June is much drier, recording only 1 mm (0.0 in) of precipitation over the entire month, and experiences significantly lower humidity at 37%. For more specific insights about Isfahan's climate, you can check Isfahan weather in June.
April and July present stark contrasts in weather patterns. In April, temperatures range from a cool minimum of 1°C (35°F) to a maximum of 32°C (90°F), with an average of 18°C (64°F). The month sees some precipitation, totaling 17 mm (0.7 in) over about five days, and the humidity sits at a comfortable 54%. In contrast, July experiences much warmer conditions, with minimum temperatures starting at 16°C (62°F) and soaring to a hot 42°C (107°F), averaging around 31°C (88°F). Remarkably, July has no recorded precipitation and is characterized by a much lower humidity level of 24%, making it a drier month overall. For more details, you can check Isfahan weather in July.
April and August present quite contrasting weather conditions. In April, temperatures range from a chilly 1°C (35°F) at night to a warm 32°C (90°F) during the day, leading to an average of 18°C (64°F). With about 17 mm (0.7 in) of precipitation over roughly five days, April experiences a moderate amount of humidity at 54%. In stark contrast, August boasts much warmer temperatures, starting at a minimum of 11°C (53°F) and soaring to an impressive maximum of 42°C (107°F), with an average temperature of 29°C (85°F). Remarkably, August receives no rainfall, with humidity dropping to a mere 20%. For more specific details about August weather, you can check Isfahan weather in August.
In comparing the weather of April and September, we see a noticeable shift in temperature and precipitation patterns. April experiences a wider range of temperatures, with a minimum of 1°C (35°F) and a maximum of 32°C (90°F), averaging around 18°C (64°F). The month is characterized by mild weather but also some precipitation, totaling 17 mm (0.7 in) over about five days, along with higher humidity at 54%. In contrast, September brings a warmer climate, with temperatures ranging from a minimum of 11°C (51°F) to a scorching maximum of 37°C (100°F), averaging 25°C (78°F). Notably, September sees no rain, resulting in a dry atmosphere and much lower humidity at just 25%. For more detailed insights on September weather, you can visit Isfahan weather in September.
April and October both showcase mild average temperatures around 18°C (64°F), though April experiences a broader range with minimums dipping to 1°C (35°F) and maxing out at 32°C (90°F). In contrast, October’s temperature ranges from a minimum of 3°C (37°F) to a maximum of 34°C (93°F), making it slightly warmer overall. Notably, April sees more precipitation, with around 17 mm (0.7 in) over five days, while October is noticeably drier with only 3 mm (0.1 in) and no rainy days at all. Additionally, humidity levels in October are lower at 42%, compared to April's 54%. For more detailed information, you can check Isfahan weather in October.
April and November present distinct contrasts in weather. April typically experiences milder temperatures, with a minimum of 1°C (35°F) and a maximum of 32°C (90°F), averaging around 18°C (64°F). It boasts relatively low precipitation at 17 mm (0.7 in) over about five days, accompanied by moderate humidity at 54%. In contrast, November is cooler, featuring a minimum temperature of -4°C (24°F) and a maximum of 27°C (81°F), with an average temperature of 10°C (50°F). Precipitation increases slightly to 25 mm (1.0 in) spread over just four days, while humidity rises to 62%. For more detailed information, you can visit Isfahan weather in November.
The weather in April is generally warmer and more variable compared to December. April experiences a minimum temperature of 1°C (35°F) and an average high of 32°C (90°F), while December has lower temperatures, ranging from a minimum of -6°C (21°F) to a maximum of 22°C (72°F). Additionally, April receives more precipitation, totaling 17 mm (0.7 in) over about 5 days, whereas December sees only 11 mm (0.5 in) across just 2 days. Humidity levels are also slightly higher in December at 63%, compared to April's 54%. For more detailed information, you can visit Isfahan weather in December.
April in Isfahan marks a delightful transition in weather, offering warmth that sets it apart from the chillier months of winter. With average temperatures reaching a comfortable 18°C, this month invites residents and visitors alike to enjoy the outdoors. Unlike the heavier rainfall of previous months, April brings only light showers with about five days of precipitation, totaling 17 mm, ensuring that the landscape remains vibrant and lush without the dampness that often accompanies early spring. As the humidity settles around 54%, the air feels refreshing yet pleasant, making it an ideal time for exploration. To learn more about Isfahan's weather patterns throughout the year, check out Isfahan Climate.