July Weather in Tehran, Iran

Last updated: August 21, 2025

In July, Tehran, Iran experiences a climate marked by warm temperatures and low precipitation. The maximum temperature can reach an impressive 36°C (96°F), while the average temperature sits comfortably around 27°C (81°F). Nights are notably cooler, with temperatures dipping to a minimum of 14°C (58°F). With only 6 mm (0.2 in) of rainfall occurring over a single day, the month is predominantly dry, complemented by a humidity level of 52% that adds a moderate touch to the summer heat. This blend of warmth and limited rain makes July an inviting time for residents and visitors alike to explore the vibrant city.

July Temperature in Tehran

In July, Tehran experiences a warm and sunny climate, with temperatures reaching their peak for the year. The month begins with minimums around 14°C (58°F), gradually rising to a sweltering maximum of 36°C (96°F). The average temperature hovers at a comfortable 27°C (81°F), making it an ideal time for both locals and tourists to enjoy outdoor activities. This sharp upward trend from the cooler months, where temperatures barely surpass single digits, highlights the dry heat characteristic of the Iranian summer. As July unfolds, the city transforms into a vibrant hub, with clear skies and lively streets, inviting all to soak up the season's warmth.

July Weather in Tehran: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Tehran, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tehran, July 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).
JanFebMarAprMayJunJulAugSepOctNovDec283242526376817872574234
Data source: Temperature data for Tehran 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.

July Precipitation in Tehran

In Tehran, Iran, July typically experiences a significant drop in precipitation, with only 6 mm (0.2 in) falling across a mere single day. This continuing trend showcases the city's dry summer months, where rainfall is minimal and often barely noticeable. Following the lush spring months of April and March, which receive 70 mm and 58 mm of rainfall respectively, July stands in stark contrast, reflecting the arid climate that characterizes the peak of summer. Such low rainfall is mirrored in August and September, further emphasizing the dry spell, with only 1 mm (0.1 in) and 4 mm (0.2 in) of precipitation recorded, respectively. This pattern highlights July as a turning point as Tehran transitions into its hotter, drier season.

July Precipitation Trends in Tehran

The chart displays monthly precipitation patterns in Tehran, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Tehran, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec39665870344614314735
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Tehran

In Tehran, Iran, July marks a significant shift in humidity, dipping to 52%, the lowest point of the year. This decrease is part of a broader trend, as the hot summer months see a gradual decline from June's 62% humidity, paving the way for a more arid environment. The relatively comfortable climate continues through August, where humidity plunges further to 40%, creating an arid atmosphere that contrasts sharply with the cooler, more humid conditions of winter months. A notable increase can be observed toward the end of the year, with November and December humidity levels climbing back to 72% and 70%, respectively. This cyclical pattern highlights Tehran's distinct seasonal shifts, from the sultry dampness of early winter to the dry heat of summer, shaping the region's uniquely vibrant climate.

July Average Humidity in Tehran

This chart illustrates the average monthly humidity levels in Tehran, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Tehran is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%66%68%62%64%62%52%40%45%61%72%70%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Tehran

In July, Tehran experiences a UV Index of 11, categorized as extreme, which signifies a significant risk of harm from unprotected sun exposure. This marks a slight decrease from the peak UV levels observed in May and June, both of which maintained an extreme index of 12 and 13, respectively. As summer progresses, the burn time remains critically low at just 10 minutes, urging residents and visitors to take necessary precautions. The trend shows an overall increase in UV levels from the beginning of the year, peaking during the hotter months, making it essential to stay vigilant about sun safety. For more detailed insights, visit the Tehran UV Index.

Maximum UV Index Levels in Tehran for July

The chart shows the monthly maximum UV Index (UVI) for Tehran in July, 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 July, the maximum UV index in Tehran typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46891312111010753
Data source: Tehran July 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.

July Sunshine in Tehran

In July, Tehran basks in a brilliant embrace of sunlight, with 394 hours of shining brilliance, making it one of the sunniest months of the year. Following a steady climb from 225 hours in January to an impressive 393 hours in June, Tehran's summer peak showcases the warmth and vibrancy of the city during this time. The amount of sunshine not only enhances outdoor activities but also creates a lively atmosphere, drawing both locals and visitors to enjoy the cultural and recreational offerings of the city. As the month progresses into August, there's a slight decrease to 377 hours, yet the lingering summer warmth continues to invite long evenings under the sun. This gradual decline contrasts with the robust sunshine of previous months, highlighting a seasonal shift that sets the stage for the crisp, golden hues of autumn ahead.

Monthly Sunshine Duration in Tehran: July Highlighted

The July sunshine duration represents the total number of hours Tehran experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec225h270h319h336h382h393h394h377h342h311h256h267h
Data source: Tehran July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tehran During July

In Tehran, Iran, the likelihood of sunny weather peaks during the summer months, with July boasting a 87% chance of sunshine. Following a trend of increasing sun exposure, this month is preceded by June's impressive 94% and is closely mirrored by August at 88%. This trio of summer months highlights a significant departure from the cloudier spring, where March and April see much lower probabilities of sun at 58% and 57% respectively. As summer unfolds, the sun's presence solidifies, making July not only a bright spot in the year but also a key time for outdoor activities and enjoying the warm weather in the bustling city.

Percentage of Sunny Days in July in Tehran

The chart illustrates the percentage of sunny days in Tehran throughout the year, with July 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 Tehran experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec81%69%58%57%61%94%87%88%99%85%57%68%
Data source: Tehran July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tehran in July

In Tehran, Iran, the daylight duration experiences a captivating transformation throughout the year. Early months, like January and February, offer a modest 10 hours of daylight, gradually paving the way for longer days as spring approaches. By March, daylight extends to 11 hours, setting the stage for a noticeable increase in April when it reaches 13 hours. This upward trend continues, peaking at 14 hours in both May and July, providing ample sunlight for outdoor activities and vibrant urban life. As summer wanes in August, daylight begins to recede to 13 hours, further diminishing to 12 hours in September. Following this gradual decline, October and November bring shorter days of 11 and 10 hours respectively, culminating in the least daylight of just 9 hours in December. This rhythmic cycle of daylight not only reflects the changing seasons but also influences the daily lives and practices of Tehran's residents.

Average Daylight Hours in Tehran for July

The chart illustrates the variation in daylight duration in Tehran throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 1m10h 52m11h 58m13h 6m14h 2m14h 31m14h 16m13h 26m12h 22m11h 14m10h 16m9h 46m
Data source: Tehran daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Tehran

In Tehran, the winds of July mirror those of June, maintaining an average speed of 2.2 m/s (5 mph). This consistency sets a gentle tone for the summer, as the breezes carry a breath of relief amidst the rising heat. Following a gradual increase from the calmer winds observed between January and May, July's winds signify a peak before a slight decline in the coming months. August sees a subtle drop to 1.9 m/s, hinting at the transition towards the milder breeze of autumn. The prevailing patterns reveal that summer months tend to be slightly breezier, making July a delightful time in Tehran, where the winds serve as a comforting companion in the warm embrace of summer.

Average July Wind Speed in Tehran

The chart displays monthly wind speed patterns in Tehran, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.71.81.91.92.22.2 m/s1.92.11.71.51.6
Data source: Tehran July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Tehran Compares to Other Months

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

July and January present starkly contrasting weather conditions. In July, temperatures soar to an average of 27°C (81°F), peaking at 36°C (96°F), while the month experiences minimal precipitation of just 6 mm (0.2 in) and low humidity at 52%. In contrast, January brings much colder weather, with average temperatures hovering around -2°C (29°F) and lows plunging to -16°C (3°F). This month is marked by significantly higher precipitation totaling 39 mm (1.5 in) over six days, along with increased humidity at 70%. For more insights into January weather in Tehran, you can visit Tehran weather in January.

July and February present strikingly different weather conditions. In July, temperatures soar with a minimum of 14°C (58°F) and reaching up to a maximum of 36°C (96°F), while average temperatures hover around 27°C (81°F). The month experiences minimal precipitation, totaling only 6 mm (0.2 in) over just one day, and the humidity stands at a moderate 52%. In sharp contrast, February showcases frigid conditions with minimum temperatures plummeting to -23°C (-9°F) and an average temperature of 0°C (32°F). The maximum temperature only reaches 11°C (52°F), and the month is significantly wetter, accumulating 66 mm (2.6 in) of precipitation over nine days, coupled with a higher humidity level of 66%. For a more detailed look at the winter climate, check out Tehran weather in February.

July and March present strikingly contrasting weather conditions. In July, temperatures soar with averages around 27°C (81°F), peaking at 36°C (96°F), while experiencing minimal precipitation of just 6 mm (0.2 in) over a single day. This month has a lower humidity level of 52%, making it feel more comfortable despite the heat. In contrast, March brings a brisk chill, with average temperatures hovering at 5°C (42°F) and lows dropping to -8°C (17°F). It is a wetter month, accumulating 58 mm (2.3 in) of rain across approximately 10 days, and the humidity is higher at 68%. For more detailed insights into this month, you can check Tehran weather in March.

In comparing the weather of July and April, a stark contrast emerges. July experiences significantly warmer temperatures, with an average of 27°C (81°F) and maximum highs reaching 36°C (96°F), while April sees much cooler conditions with an average of 11°C (53°F) and a high of only 25°C (77°F). Additionally, April is notably wetter, receiving 70 mm (2.8 in) of precipitation over 11 days, compared to July's minimal 6 mm (0.2 in) on just 1 day. Humidity levels are also higher in April, at 62%, compared to July's 52%. For more detailed information on April weather, you can check Tehran weather in April.

In July, the weather in Tehran is significantly warmer, with temperatures ranging from a minimum of 14°C (58°F) to a scorching maximum of 36°C (96°F), and an average of 27°C (81°F). The month sees low precipitation, with only about 6 mm (0.2 in) over just one day and humidity at a comfortable 52%. In contrast, May experiences much cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 30°C (86°F), averaging 17°C (63°F). Additionally, May is notably wetter, receiving 34 mm (1.3 in) of rain over six days, and has higher humidity levels at 64%. For more details, you can check Tehran weather in May.

In comparing the weather of June and July, July showcases warmer temperatures, with averages reaching 27°C (81°F) and maximums soaring up to 36°C (96°F), while June maintains a cooler profile with averages of 24°C (76°F) and maximums of 33°C (92°F). Interestingly, both months experience low precipitation, but July sees slightly higher levels at 6 mm (0.2 in) compared to June’s 4 mm (0.2 in), although both only receive rain for a single day. Humidity also varies, with July being less humid at 52% compared to June’s 62%, making July feel a bit drier overall. For more detailed insights into June weather, visit Tehran weather in June.

In July, the weather tends to be warmer, with average temperatures reaching 27°C (81°F) and maximums peaking at 36°C (96°F). This month experiences only a small amount of precipitation, totaling 6 mm (0.2 in) over just one day, accompanied by a humidity level of 52%. In contrast, August sees slightly cooler temperatures, with an average of 26°C (78°F) and maximums around 35°C (95°F). Remarkably, August boasts even less rainfall, with just 1 mm (0.1 in) and no days of precipitation, along with a drop in humidity to 40%. For more details, you can check out Tehran weather in August.

In July, the weather is notably warmer, with average temperatures around 27°C (81°F) and maximums reaching up to 36°C (96°F), accompanied by a relatively low precipitation of 6 mm (0.2 in) over just one day. The humidity level during this month is moderate at 52%. In contrast, September experiences cooler temperatures, with an average of 22°C (72°F) and maximums of 33°C (91°F), while showcasing even drier conditions with only 4 mm (0.2 in) of precipitation and no rainy days. Additionally, the humidity drops slightly to 45%. For more detailed insights, you can check Tehran weather in September.

In July, the weather is typically warm and dry, with average temperatures around 27°C (81°F) and maximum highs reaching up to 36°C (96°F). The humidity level is relatively moderate at 52%, and there is only one day of precipitation, totaling just 6 mm (0.2 in).

Conversely, October brings a significant shift in weather patterns. The average temperature drops to 14°C (57°F), with daytime highs of 26°C (79°F) and cooler nighttime lows around 1°C (34°F). This month experiences more rainfall, with a total of 31 mm (1.2 in) spread across six days, along with increased humidity at 61%. For more details, check out Tehran weather in October.

In comparing the weather between July and November, a stark contrast emerges. July boasts a warm atmosphere with average temperatures around 27°C (81°F) and occasional peaks of up to 36°C (96°F), accompanied by low humidity at 52% and minimal precipitation. In contrast, November experiences a significant drop in temperature, averaging only 6°C (43°F) with lows plunging to -8°C (17°F), resulting in a much chillier environment. Additionally, November sees a marked increase in precipitation, averaging 47 mm (1.9 in) over eight days, combined with higher humidity levels at 72%. For a detailed look at the weather specifics in November, you can refer to Tehran weather in November.

The weather in July and December presents a stark contrast in Tehran. July boasts warm temperatures, with a minimum of 14°C and an average high reaching 36°C, accompanied by low precipitation of just 6 mm over a single day and humidity around 52%. In sharp contrast, December experiences frigid conditions, with temperatures dropping to a minimum of -14°C and averaging just 1°C. This month sees significantly more precipitation, totaling 35 mm over seven days, and a higher humidity level at 70%. For a closer look at December's climate, visit Tehran weather in December.

Compare Tehran's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Tehran

July in Tehran ushers in the peak of summer, characterized by warm temperatures that are significantly higher than during other months. With the average heat reaching a refreshing 27°C (81°F) and maximum highs soaring to 36°C (96°F), the occasional low humidity of 52% makes for a relatively comfortable atmosphere, especially in the evenings when temperatures drop to a mild 14°C (58°F). Unlike the rest of the year, where rain might make an appearance, July offers a stark contrast with just 6 mm of precipitation over a single day, allowing for ample sunshine and outdoor activities. For those interested in understanding the broader spectrum of Tehran's climate, this is an ideal time to explore Tehran Climate.