Climate and monthly weather forecast
Dezful, Iran

Located in the southwest of Iran, Dezful experiences a Subtropical steppe climate according to the Köppen climate classification. This BSh classification implies low rainfall and mild to warm temperatures throughout the year. The geographical location of Dezful, near the desert, largely shapes its climate, manifesting in relatively low humidity levels and notable sunshine hours.

A dive into the climate data reveals a picture of varied but predictable weather patterns. The average monthly temperatures sway from a balmy 5.3°C (41.5°F) in the colder months to a sweltering 46°C (114.8°F) in the heat of the summer. Coinciding with the rise in temperatures, humidity appears to drop, reaching its lowest from May to August, averaging between 22% and 32%, with its peak in the cooler months at approximately 75%.

Rainfall is not an everyday occurrence in Dezful and is most conspicuous in its absence during the summer months. A significant volume of rainfall is typically experienced between January and March, with January being the wettest month and notching up 101mm (3.98"). Conversely, from June to September, the skies above Dezful are variously free from rain.

Throughout the year, Dezful enjoys considerable daylight and sunlight hours. The lengthiest daylight period is observed from May to July, while the shortest daylight duration is noticed in the winter months. Correspondingly, sunlight hours follow a similar trend, peaking in June and dwindling in December.

The most pleasant period to enjoy Dezful's attractions is from March to May, when temperatures range between 10°C (50°F) and 30°C (86°F) with comparatively moderate rainfall, averaging 50mm (1.97") to 35mm (1.38"). These conditions combined with substantial daylight, with the most extended being 13.8 in May, render this period ideal for outdoor activities and sightseeing.

The least favorable time for a Dezful visit would traditionally be during the summer months from June to September. Temperatures soar up to 46°C (114.8°F) and coupled with practically no rainfall, makes for harsh and uncomfortable climatic conditions, even though daylight and sunshine hours are the highest during this period.

Spring in Dezful ushers in warmer temperatures, averaging from 10°C (50°F) in March, and rapidly escalating to 30°C (86°F) by May. Alongside the temperature rise, spring signals a decrease in rainfall, from 50mm (1.97") in March to a mere 9mm (0.35") in May. These weather conditions make spring a desirable time to visit Dezful, with substantial daylight hours ranging from 12 to 13.8, drawing visitors outdoors.

Summers in Dezful are characterized by extreme heat, and temperatures often climb as high as 46°C (114.8°F) in July. This period receives virtually no rainfall, with an average of 0mm (0") in July, enhancing the arid conditions. Although summer can seem inhospitable, it offers the lengthiest daylight hours, from 14.3 in June to 13.3 in September.

Autumn in Dezful showcases a gradual decline in temperature from 34.8°C (94.6°F) in October to a more comfortable 19.3°C (66.7°F) by December. Rainfall indicators show a slow increase during the season, from 7mm (0.28") in October to 83mm (3.27") in December. With daylight hours slowly receding from 11.4 in October to 10.1 in December, Autumn provides bearable weather conditions for visitors.

During the winter months, Dezful experiences its lowest temperatures, regularly sliding to a chill 5.3°C (41.5°F) in January. This period also sees a progressive increase in rainfall, peaking at 101mm (3.98") in January. With the shortest daylight hours of the year, ranging from 10.3 in January to 10.5 in February, the chilly winter climate makes Dezful seem more serene.

Dezful, Iran, experiences a cool beginning to the year with a mix of sunshine and rainfall. The weather is not harsh as lower temperatures are often accompanied by relative humidity, which creates a rather comfortable microclimate. Weather in January »

February's weather sets it apart from the surrounding months of January and March in Dezful, Iran. As the month progresses, average temperatures increase, and rainfall decreases. Despite these changes, the weather remains relatively comfortable, creating a balanced microclimate. Weather in February »

March signals the onset of spring in Dezful, Iran. The weather undergoes multiple transitions, from cold to warmth, high relative humidity to decreased moisture content, and from damp February to a drier upcoming April. As indicative of a transitional month, March experiences an average rainfall of 50mm (1.97"). Weather in March »

April in Dezful, Iran, is marked by a welcome increase in temperature, making the weather pleasant and enjoyable. The significantly reduced rainfall, coming down from 50mm (1.97") in March down to 35mm (1.38"), indicates the arrival of warmer and drier days. Weather in April »

May's weather in Dezful, Iran, is characterized by a noticeable increase in temperature. The diminishing rainfall, falling to a meager 9mm (0.35"), marks the arrival of the arid season in the city. This drastic decrease in rainfall, coupled with a significant drop in humidity levels, indicates May's alignment with the impending summer heat. Weather in May »

June brings the arrival of summer in Dezful, Iran, with high temperatures and brilliant sunshine. This weather is intensified by June’s median rainfall of 0mm (0"), glaringly contrasting with the previous month's 9mm (0.35"). With maximum daylight hours and abundant sunshine, June embodies the peak of summer in Dezful. Weather in June »

July continues the summer trend in Dezful, Iran, with high temperatures persisting. Interestingly, there is a negligible amount of rainfall of just 0mm (0"), which is fairly insignificant when compared to the rest of the year. Throughout the day, the abundant sunshine ensures a bright and clear sky. Weather in July »

August in Dezful, Iran, closely follows the weather conditions of the previous month. Still, the relative climate offers a sense of predictability with negligible rainfall and high temperatures. The summer heat remains tastefully strong, though the lack of rainfall serves as a constant element in the season's weather pattern. Weather in August »

The arrival of September in Dezful, Iran, signals the much-awaited shift from summer to autumn. The weather pattern retains the summer's characteristic zero rainfall and high-temperature range. This consistent dryness, along with a slight decrease in temperature, proves that autumn is on its way. Weather in September »

October ushers in autumn in Dezful, Iran. Its weather is characterized by the welcomed return of rainfall, measuring at 7mm (0.28"), breaking the dry spell seen in the previous months. The mild decrease in temperature, coupled with a significant increase in relative humidity, creates a pleasant and enjoyable atmosphere. Weather in October »

November's weather in Dezful, Iran, follows the autumnal pattern with a further decrease in temperature and a noticeable jump in rainfall, reaching 39mm (1.54"). The mildly cool weather is soothing and provides a welcome break from the intense summer heat. Weather in November »

December marks the arrival of winter in Dezful, Iran. The drop in temperature and the second-highest rainfall of the year, 83mm (3.27"), signify the chilly and damp characteristics of the month. Despite the cooler temperatures in December, the generous daylight hours promote various outdoor activities. Weather in December »