Last updated: August 21, 2025
In April, Tehran experiences a remarkable transition in weather, marked by a maximum temperature reaching 25°C (77°F) and an average of 11°C (53°F). As the city welcomes spring, temperatures can dip as low as -7°C (19°F) during the night. With approximately 70 mm (2.8 in) of precipitation spread over 11 days, the month sees a fair share of rain, contributing to an overall humidity level of 62%. This blend of mild warmth and refreshing showers creates a vibrant atmosphere, making April an invigorating time to explore Tehran's rich culture and natural beauty.
In April, Tehran experiences a noticeable transition into spring, with temperatures reflecting this delightful shift. The month begins with a cool minimum of -7°C (19°F) but quickly warms up, reaching an average of 11°C (53°F) and peaking at a pleasant 25°C (77°F). This rising warmth marks a significant increase from March's cooler averages, paving the way for the more temperate months ahead. As the city blooms into life, the improving climate encourages vibrant outdoor activities, making April an ideal time to enjoy Tehran's cultural and natural offerings.
April marks a significant uptick in precipitation in Tehran, with 70 mm (2.8 in) of rainfall recorded over 11 days. This increase follows a relatively wet March and serves as a precursor to the drier months ahead. The substantial rainfall in April reflects a transitional period, where spring arrives with robust showers that rejuvenate the landscape before the summer heat sets in. This month stands out as one of the wettest in the year, contrasting with the meager precipitation that follows in May and the scorching summer months, which see as little as 1 mm of rainfall. As nature awakens, April’s showers not only sustain local flora but also hint at the shifting weather patterns characteristic of the region.
April in Tehran witnesses a notable decline in humidity, with levels dropping to 62% compared to the higher averages seen in the early months of the year. This trend reflects the transition into the warmer season, as the city's atmosphere begins to dry out after the relatively humid winter months of January and February, which boast humidity levels of 70% and 66%, respectively. By April, the air feels more comfortable, yet still hints at the moisture that lingers before the heat of summer arrives. As the months progress into May and June, humidity remains steady, further emphasizing the seasonal shift that defines Tehran's climate.
In April, Tehran experiences a notable increase in UV intensity, with the UV Index reaching 9—indicating a very high exposure level. This means that sunburn can occur in just 15 minutes without proper protection. Following the steady rise from January's moderate levels of 4, the UV Index peaks during this month, signaling the onset of more intense sun exposure leading into the summer. As residents and visitors engage in outdoor activities, it becomes crucial to prioritize sun safety. This trend is set to escalate in May, when the index jumps to a staggering 13, categorized as extreme. For detailed insights on UV levels in Tehran throughout the year, visit Tehran UV Index.
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As spring unfolds in Tehran, April shines remarkably bright, with an impressive 336 hours of sunshine, marking a steady increase from the preceding months. This upward trend reflects the city's transition from winter's shorter days to the sun-drenched glory of late spring. Following a consistent rise since January's 225 hours, the gradual ascent showcases nature's awakening, as both residents and visitors revel in the warmer weather. Looking ahead, May promises even more brilliance, with projected sunshine hours reaching 382, setting the stage for a splendid summer. The delightful progression from winter gloom to vibrant spring highlights Tehran's radiant charm during this time of year.
April in Tehran presents a moderate chance of sunny weather, with the likelihood of sunshine dipping slightly to 57%. This follows a trend of decreasing sunshine as winter transitions into spring, with March showing a slightly higher 58% chance. However, as the month progresses into May, we see a resurgence in sunny days, peaking towards the summer months. Notably, June bursts onto the scene with a remarkable 94% chance of sun. Thus, while April might not be the sunniest month, it's merely a precursor to the bright and warm days that follow in the bustling Iranian capital.
As spring unfolds in Tehran, the city experiences a marked increase in daylight hours, transitioning from an average of 11 hours in March to an impressive 13 hours in April. This upward trend continues into May and June, where daylight peaks at 14 hours, inviting residents to bask in the longer, sunnier days. However, as summer gives way to fall, daylight gradually diminishes, returning to 12 hours in September and tapering down to 9 hours by December. This seasonal rhythm not only highlights the allure of Tehran's vibrant spring and summer months but also underscores the city's cyclical relationship with sunlight throughout the year.
As April arrives in Tehran, the city experiences a gentle uptick in average wind speed, reaching 1.9 m/s (4 mph), slightly above the earlier months. This subtle shift marks the transition to spring, where the winds begin to stir with a hint of warmth, invigorating the atmosphere. Following a consistent pace in the preceding months, April's slight increase underscores a trend of gradual seasonal change, setting the stage for the breezier days of summer that will follow in June and July, when speeds rise to 2.2 m/s (5 mph). As the winds blow softly through the streets this month, they carry with them the promise of blooming flowers and vibrant city life, heralding the beauty of the season ahead.
Weather in Tehran varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Tehran, focusing on differences in temperature, rainfall, humidity, and UV levels.
April weather significantly contrasts with January's colder temperatures. In April, the temperatures range from a minimum of -7°C (19°F) to a pleasant maximum of 25°C (77°F), resulting in an average of 11°C (53°F). The month also experiences moderate precipitation, totaling 70 mm (2.8 in) over 11 days, with a humidity level of 62%. In comparison, January is much colder, with temperatures reaching a minimum of -16°C (3°F) and a maximum of 12°C (53°F), averaging -2°C (29°F). It sees less precipitation, with only 39 mm (1.5 in) over 6 days and a slightly higher humidity of 70%. For more detailed information about January weather in Tehran, visit Tehran weather in January.
April brings a notable shift in weather compared to February, with a significant increase in temperature and more pleasant conditions. While February experiences colder temperatures, with a minimum of -23°C (-9°F) and an average of 0°C (32°F), April's temperatures range from a minimum of -7°C (19°F) to a warm average of 11°C (53°F) and a maximum of 25°C (77°F). Precipitation levels remain relatively close, with April recording 70 mm (2.8 in) over 11 days compared to February's 66 mm (2.6 in) over 9 days. Additionally, humidity in both months is high, though slightly lower in April at 62% compared to February's 66%. For more details on February weather, visit Tehran weather in February.
In comparing the weather of April to that of March, we see a notable shift in temperatures and precipitation. April boasts a higher average temperature of 11°C (53°F) compared to March's average of 5°C (42°F), with April's maximum reaching 25°C (77°F), which is significantly warmer than March's maximum of 21°C (70°F). Furthermore, while April experiences a slightly higher rainfall of 70 mm (2.8 in) over 11 days, March has a total precipitation of 58 mm (2.3 in) across 10 days. In terms of humidity, March is a bit more humid at 68%, compared to April's 62%. For more detailed information on the weather in March, you can check out Tehran weather in March.
April and May exhibit noticeable differences in weather patterns. April transitions from chilly conditions, with a minimum temperature reaching down to -7°C (19°F) and an average of 11°C (53°F), while May enjoys a milder climate with a warmer average of 17°C (63°F) and a minimum temperature of 4°C (40°F). Furthermore, April experiences greater precipitation at 70 mm (2.8 in) over 11 days, compared to May's lighter rain of 34 mm (1.3 in) over just 6 days. Humidity levels remain quite similar, with April at 62% and May slightly higher at 64%, but the overall feel of May is much more comfortable and conducive to outdoor activities. For more detailed insights into May's weather, you can visit Tehran weather in May.
April and June present a stark contrast in weather conditions. In April, temperatures vary significantly, with a minimum of -7°C (19°F) and a maximum reaching 25°C (77°F), averaging around 11°C (53°F). The month sees about 70 mm (2.8 in) of precipitation over 11 days, creating a fairly humid atmosphere at 62%. In comparison, June offers a more consistent warmth, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 33°C (92°F), and an average of 24°C (76°F). The skies are much drier in June, receiving only 4 mm (0.2 in) of rainfall over just one day, while maintaining the same humidity level of 62%. For more details on June's weather, visit Tehran weather in June.
April and July showcase a striking contrast in weather patterns. In April, temperatures range from a chilly minimum of -7°C (19°F) to a warm average of 11°C (53°F), peaking at 25°C (77°F). The month experiences a fair amount of precipitation, accumulating 70 mm (2.8 in) over approximately 11 rainy days, with humidity levels averaging 62%. In contrast, July presents a much warmer climate, with temperatures starting at a minimum of 14°C (58°F) and soaring to an average of 27°C (81°F), reaching highs of 36°C (96°F). Precipitation drops drastically to just 6 mm (0.2 in) over only 1 day, and humidity decreases to an average of 52%. For more detailed information on the July weather, check out Tehran weather in July.
April and August exhibit contrasting weather patterns. In April, temperatures can dip as low as -7°C (19°F) and average around 11°C (53°F), with highs reaching up to 25°C (77°F). The month is characterized by increased precipitation, averaging 70 mm (2.8 in) over about 11 days, along with a humidity level of 62%. In stark contrast, August enjoys warmer conditions, with minimum temperatures of 15°C (59°F) and an average temperature of 26°C (78°F), peaking at 35°C (95°F). Notably, August experiences minimal rainfall, with just 1 mm (0.1 in) recorded over zero days, and a significantly lower humidity level of 40%. For a more detailed overview, visit Tehran weather in August.
April and September present contrasting weather conditions. In April, temperatures range from a chilly minimum of -7°C (19°F) to a warm maximum of 25°C (77°F), with an average of 11°C (53°F). This month also experiences significant rainfall, with 70 mm (2.8 in) of precipitation over 11 days, resulting in a humidity level of 62%. In contrast, September enjoys a milder climate, with temperatures ranging from a minimum of 10°C (50°F) to a high of 33°C (91°F) and an average of 22°C (72°F). Remarkably, this month sees very little rainfall, with only 4 mm (0.2 in) and no precipitation days, leading to a lower humidity of 45%. For those interested in more detailed information, you can check out Tehran weather in September.
April and October offer a contrasting glimpse of weather patterns. In April, temperatures can range widely from a chilly -7°C (19°F) at night to a warm 25°C (77°F) during the day, averaging around 11°C (53°F). With 70 mm (2.8 in) of precipitation over 11 days, the month is relatively damp, accompanied by a humidity level of 62%. Conversely, October features milder temperatures, with a minimum of 1°C (34°F) and a maximum of 26°C (79°F), averaging 14°C (57°F). It experiences significantly less rainfall, totaling 31 mm (1.2 in) over just 6 days, and maintains a similar humidity level of 61%. For more details on October weather, you can check Tehran weather in October.
April and November present contrasting weather patterns, showcasing the transition from spring to late autumn. In April, temperatures fluctuate from a chilly minimum of -7°C (19°F) to a pleasant maximum of 25°C (77°F), with an average temperature of 11°C (53°F). The month also sees a moderate amount of precipitation, totaling 70 mm (2.8 in) over approximately 11 days, along with a humidity level of 62%. Conversely, November experiences cooler temperatures, with a minimum of -8°C (17°F) and a maximum of 20°C (68°F), leading to an average of just 6°C (43°F). This month receives less rainfall, accumulating 47 mm (1.9 in) over 8 days, alongside a slightly higher humidity of 72%. For more detailed insights, you can check Tehran weather in November.
April and December in Tehran present contrasting climatic experiences. April typically sees milder temperatures with a minimum of -7°C (19°F) and an average of 11°C (53°F), peaking at a comfortable 25°C (77°F). This month receives about 70 mm (2.8 in) of precipitation over 11 days, accompanied by a 62% humidity level, creating a refreshing spring atmosphere. In contrast, December's weather is significantly colder, with temperatures ranging from a minimum of -14°C (6°F) to a maximum of 13°C (55°F), and an average temperature of only 1°C (34°F). The month experiences less precipitation at 35 mm (1.4 in) across 7 days, but the humidity rises to 70%, contributing to a damp chill. For more details on December weather, you can visit Tehran weather in December.
In April, Tehran experiences a remarkable transition as spring unfolds, bringing milder temperatures that contrast sharply with the winter chill. With averages hovering around 11°C and peaks reaching 25°C, this month is characterized by a refreshing warmth that invites outdoor activities. However, the city also sees about 11 days of rain, contributing to a relatively high humidity of 62%. As nature awakens, the vibrant blooms and lush greenery create an inviting atmosphere, making April a delightful time to experience Tehran's beauty. For a deeper understanding of what to expect throughout the year, explore our comprehensive page on Tehran Climate.