Last updated: August 21, 2025
In April, Zanjan, Iran, experiences a dynamic climate marked by a maximum temperature of 28°C (82°F), contrasting with a brisk average of 10°C (50°F) and chilly minimums dipping to -5°C (22°F). This month witnesses 92 mm (3.6 in) of precipitation, distributed across approximately 14 rainy days, fostering a refreshing atmosphere. With an average humidity level of 65%, the weather in Zanjan balances warmth and coolness, making it an intriguing time for both residents and visitors alike.
April in Zanjan, Iran, marks a distinct shift towards warmer weather as the chill of winter begins to recede. With minimum temperatures rising to -5°C (22°F) and an average of 10°C (50°F), the month showcases a notable transition from the frigid conditions of early spring. Daytime highs can reach up to 28°C (82°F), providing a promising preview of the summer warmth to come. This gradual increase in temperature facilitates the blossoming of local flora, making it an excellent time for outdoor activities and exploration. The mild weather of April is not only a welcome relief but also sets the stage for the subsequent months, highlighting Zanjan's dynamic climate as it transitions from the harshness of winter to the vibrant warmth of spring.
In April, Zanjan experiences a significant increase in precipitation, with 92 mm (3.6 in) of rainfall over 14 days, marking it as one of the wettest months of the year. This surge builds on the already substantial totals from March, reflecting a steady increase as spring unfolds. Following April, the rainfall begins to taper off in May, dropping to 60 mm (2.4 in), and then plummeting dramatically as summer approaches. The upward trend in precipitation during this time not only revitalizes the landscape but also sets the stage for the drier months ahead, highlighting the seasonal contrasts that characterize Zanjan’s climate.
April marks a significant shift in humidity for Zanjan, Iran, as the levels dip to 65%, a noticeable decline from the 75% experienced in the first three months of the year. This transition hints at the arrival of warmer weather, setting the stage for a gradual decrease in humidity as the summer months approach. Following April, May and June maintain this lower level of 65%, but by July, the air feels even drier at 61%. The trend continues into late summer with August dropping to an even more comfortable 49%, suggesting that the springtime humidity gives way to a distinctly drier climate. This rhythmic change in humidity not only influences the local environment but also impacts daily life in Zanjan throughout the year.
In April, Zanjan, Iran experiences a UV Index of 10, placing it in the very high exposure category. With a burn time of just 15 minutes, the risk of harm from unprotected sun exposure increases significantly compared to earlier months. This sharp rise continues the trend observed since March, which also marked a substantial UV index increase to 9. As spring unfolds, residents and visitors alike must be especially vigilant about sun safety, as the UV Index primes for even higher levels in May with an extreme rating of 13. For more detailed information on managing your sun exposure, check out the latest Zanjan UV Index.
UV Risk Categories
April brings a delightful embrace of sunshine to Zanjan, Iran, with an impressive 334 hours of bright, golden light gracing the city. This marked increase from 313 hours in March highlights the arrival of spring, as nature awakens and blooms in vibrant colors. The upward trend continues seamlessly into May, reaching a peak of 385 hours, underscoring the region's favorable climate for outdoor activities. As the months progress towards summer, the sunshine hours soar even higher, culminating in June’s record of 401 hours. This gradual escalation from early spring into the warm embrace of summer not only enriches the landscape but also enhances the overall vitality of the community, making April a truly captivating time in Zanjan.
April in Zanjan, Iran, brings with it a 57% chance of sunny weather, marking a slight dip from March's 54% but still reflecting the transitional period of spring. As the region moves from the chill of winter to the warmth of summer, one can observe a general upward trend in sunny days, with the likelihood skyrocketing to an impressive 89% by June. This means that while April might not be the sunniest month, it serves as a charming prelude to the bright, sun-drenched days ahead. In fact, after the relatively gloomy months of January through March, the increasing chances of sunshine are a welcome sign of nature awakening and inviting outdoor activities. Thus, while April may bring its fair share of clouds, it still offers enough sunny spells to appreciate the beauty of spring in Zanjan.
As April unfolds in Zanjan, Iran, the city experiences a noticeable increase in daylight duration, basking in 13 hours of sunlight. This marks a significant transition from the shorter days of winter, reflecting a steady upward trend that begins in January with just 9 hours and progresses through March at 11 hours. The invigorating warmth of spring is heralded by this gradual extension of daylight, as residents look forward to the even longer days that May and June promise, with each boasting 14 hours of sunlight. This pattern not only enhances the vibrant atmosphere of the city but also signifies the approach of summer, when daylight becomes a precious resource for outdoor activities and cultural events.
As April unfolds in Zanjan, Iran, the wind whispers at an average speed of 2.8 m/s (6 mph), a gentle breath that marks a slight uptick from March's 3.5 m/s (8 mph) yet is consistent with the calm breezes common throughout the spring months. This month’s winds echo a trend where speeds stabilize around 2.7 to 2.8 m/s from late winter into early summer, suggesting a period of tranquil weather as the landscape transitions. Notably, the gentle winds of April, while not the strongest of the year, create a pleasant ambiance that enhances the beauty of the region, inviting both locals and visitors to embrace the refreshing spring air.
Weather in Zanjan varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Zanjan, focusing on differences in temperature, rainfall, humidity, and UV levels.
April's weather stands in stark contrast to that of January. With temperatures ranging from a minimum of -5°C (22°F) to a pleasant maximum of 28°C (82°F), April offers a much warmer average of 10°C (50°F), while January records chilling lows of -24°C (-11°F) and a max of only 14°C (58°F) with an average temperature of -2°C (28°F). Additionally, April experiences significantly higher precipitation, totaling 92 mm (3.6 in) over 14 days, compared to January's 42 mm (1.6 in) over just 7 days. The humidity is also slightly lower in April at 65% versus January's 75%, making April feel considerably more comfortable. For more details on January weather, visit Zanjan weather in January.
April generally features milder and more variable weather compared to February. While February sees much colder temperatures, with a minimum of -23°C (-10°F) and an average of 0°C (32°F), April's temperatures range from a minimum of -5°C (22°F) to an average of 10°C (50°F), peaking at a comfortable 28°C (82°F). Precipitation is slightly higher in April, totaling 92 mm (3.6 in) over 14 days, in contrast to February’s 75 mm (3.0 in) over 10 days. Additionally, humidity levels in February are higher at 75%, compared to April’s 65%, indicating that April feels fresher and more inviting. For more details on February weather in Zanjan, check out Zanjan weather in February.
April's weather shows a notable increase in temperatures compared to March, with average temperatures rising from 5°C (42°F) in March to 10°C (50°F) in April. Although April experiences higher maximum temperatures, reaching 28°C (82°F), it also sees a slight uptick in precipitation, totaling 92 mm (3.6 in) over 14 days, compared to 69 mm (2.7 in) in March, which also had 14 days of precipitation. Humidity levels are slightly lower in April at 65%, compared to 72% in March. For a detailed comparison, check Zanjan weather in March.
April and May present distinct transitions in weather patterns. In April, temperatures vary more dramatically, ranging from a chilly minimum of -5°C (22°F) to a warm maximum of 28°C (82°F), with an average of 10°C (50°F). This month also sees higher precipitation, with 92 mm (3.6 in) falling over 14 days, contributing to a consistent humidity level of 65%. Conversely, May brings milder temperatures with a minimum of 2°C (36°F) and a maximum of 32°C (90°F), resulting in a more stable average of 15°C (59°F). Additionally, precipitation decreases to 60 mm (2.4 in) over 13 days, maintaining the same humidity level of 65%. For more details on the weather specifics in May, check Zanjan weather in May.
April and June present quite distinct weather patterns. In April, temperatures can vary significantly, with lows of -5°C (22°F) and highs reaching up to 28°C (82°F), resulting in an average temperature of around 10°C (50°F). The month is characterized by considerable precipitation, totaling 92 mm (3.6 in) over 14 days, which can lead to a chilly and damp atmosphere, despite the occasional warm day. In contrast, June brings a much warmer climate, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 36°C (97°F) and an average of 21°C (69°F). Moreover, it sees significantly less rainfall, with only 15 mm (0.6 in) across 4 days, making it a drier period compared to April. The humidity remains constant at 65%, but the overall warmth in June offers a much more comfortable and pleasant experience. For more details, you can check Zanjan weather in June.
April and July present striking contrasts in weather patterns. In April, temperatures fluctuate significantly, ranging from a chilly minimum of -5°C (22°F) to a warm maximum of 28°C (82°F), with an average temperature of 10°C (50°F). The month is characterized by higher precipitation, with 92 mm (3.6 in) falling over 14 days, contributing to a humidity level of 65%. In contrast, July boasts a much warmer climate, with temperatures ranging from a minimum of 8°C (47°F) to a scorching maximum of 38°C (101°F) and an average of 22°C (73°F). Rainfall is scarce in July, totaling only 11 mm (0.4 in) over just 3 days, resulting in a slightly lower humidity of 61%. These differences highlight the transition from spring's variability to the summer's heat and dryness. For more details, visit Zanjan weather in July.
April and August present contrasting weather conditions. In April, temperatures range from a chilly minimum of -5°C (22°F) to a warm average of 10°C (50°F), peaking at a much milder 28°C (82°F). This month also sees significant precipitation, measuring 92 mm (3.6 in) over approximately 14 days, accompanied by a humidity level of 65%. On the other hand, August boasts much warmer temperatures, with minimums at 5°C (42°F), an average of 21°C (70°F), and highs reaching 36°C (97°F). With only 8 mm (0.3 in) of precipitation over just 2 days, the humidity drops to a comfortable 49%. For more details on August’s weather, you can visit Zanjan weather in August.
April and September present quite distinct weather patterns. In April, temperatures can range from a chilly -5°C (22°F) at night to a warm 28°C (82°F) during the day, with an average temperature of around 10°C (50°F). This month also sees considerable precipitation, totaling 92 mm (3.6 in) over approximately 14 days, accompanied by a humidity level of 65%. In contrast, September offers a milder climate with minimum temperatures of 4°C (39°F) and daytime highs reaching up to 35°C (95°F), averaging 18°C (65°F). The month is notably drier, with only 8 mm (0.3 in) of precipitation occurring over just one day and a lower humidity level of 58%. For more details about the weather in September, you can visit Zanjan weather in September.
April and October both feature mild average temperatures, but they showcase different weather characteristics. April experiences a wider temperature range, with minimums dipping to -5°C (22°F) and maximums reaching as high as 28°C (82°F), while October has a slightly narrower range, with minimums at -2°C (29°F) and maximums peaking at 28°C (83°F). Additionally, April is much wetter, receiving 92 mm (3.6 in) of precipitation over 14 days, compared to October's 37 mm (1.4 in) over just 7 days. Humidity levels are also notably higher in October, averaging 73% versus April's 65%. For more detailed insights, you can check out Zanjan weather in October.
April and November present distinct weather patterns, reflective of their transitional positions in the year. In April, temperatures generally range from a chill of -5°C (22°F) to a warm peak of 28°C (82°F), averaging around 10°C (50°F), while experiencing significant precipitation of 92 mm (3.6 in) over 14 days. The humidity sits at a comfortable 65%, indicating a fresh spring atmosphere.
In contrast, November typically features cooler temperatures, with a minimum of -9°C (16°F) and a maximum of 22°C (73°F), averaging just 5°C (41°F). The month sees less precipitation, totaling 62 mm (2.5 in) across 11 days, but the humidity rises to 75%, giving it a more brisk and damp feel. For additional insights, you can explore Zanjan weather in November.
April and December present distinct contrasts in weather in Zanjan. In April, temperatures range from a chilly -5°C (22°F) at night to a warm 28°C (82°F) during the day, with an average temperature of 10°C (50°F). This month sees relatively high precipitation, with 92 mm (3.6 in) spread over 14 days, and humidity levels averaging around 65%. In contrast, December experiences colder conditions, with temperatures dropping as low as -13°C (9°F) and only reaching a maximum of 18°C (64°F), culminating in an average temperature of just 1°C (34°F). Precipitation decreases significantly to 49 mm (1.9 in) over 9 days, and humidity rises slightly to 72%. For more details, you can refer to Zanjan weather in December.
April in Zanjan presents a delightful transition from the chill of winter to the warmth of spring, with temperatures noticeably milder than the preceding months. This period witnesses a splendid contrast, boasting sunny days that can climb to a pleasant 28°C while remaining refreshingly cool at night. However, April also brings increased rainfall, contributing to the 65% humidity and making it one of the wetter months. With 14 days of precipitation totaling 92 mm, nature comes alive, enhancing the region's lush landscapes. For those interested in a more in-depth understanding of Zanjan's weather patterns, the details can be explored further in Zanjan Climate.