Climate and monthly weather forecast
Kerman, Iran

Kerman, situated in Iran, falls under the BSk category of the Köppen Climate Classification, indicating a mid-latitude steppe climate. A significant trait of this region’s weather is its extremes of hot and cold temperatures, and predominantly dry atmosphere.

In this desert environment, temperatures can oscillate greatly over the course of a year. High temperatures range from a palatable 14°C (57.2°F) in the colder months, steadily ascending to a scorching 36°C (96.8°F) in the peak of summer. Correspondingly, low temperatures fluctuate between a biting -4°C (24.8°F) during the winter months, climbing to a more bearable 17°C (62.6°F) at the height of summer.

Precipitation levels remain generally low year-round, peaking slightly between December and March with 19mm (0.75") to 32mm (1.26") of rainfall. Drier conditions prevail from June to October with almost no registered rainfall. The number of daylight hours expands from 10.4h in December, reaching its peak at 14.1h in June. Corresponding with the daylight hours, sunshine hours rise from 6 hours per day in January and December to 11 hours during the summer high season, from June to August. UV index reaches maximum levels of 12 during the summer months, falling back to around 4 in winter, indicating a sharp contrast between the intense summer sun and the relatively softer sun in winter.

Weather parameters suggest that the ideal time to visit Kerman would be during the spring months of March to May. High temperatures during these months range from a pleasant 19°C (66.2°F) to a warm 30°C (86°F). Rainfall is minimal, particularly from April to May when it drops to under 20mm (0.79"). Sunshine lasts between 7 to 9 hours per day, maximizing the opportunity for sightseeing and outdoor activities. Combined with a mild UV index, this season provides supportive conditions for enjoying this captivating desert city.

The summer months from June to August emerge as a potentially challenging time to visit Kerman with high temperatures soaring between 34°C (93.2°F) to 36°C (96.8°F). Despite a maximum duration of daylight and sunshine hours, and negligible rainfall, the extreme heat and a high UV index of 12 might pose discomfort for some, especially those not accustomed to such weather conditions.

During spring, from March to May, the weather in Kerman progressively warms up. Temperatures during this period range from 3°C (37.4°F) to 12°C (53.6°F) for low temperatures and from 19°C (66.2°F) to 30°C (86°F) for high temperatures. Rainfall reduces substantially, from 32mm (1.26") in March to just 9mm (0.35") by the end of May. With an increase in sunshine hours, from 7 to 9 hours a day, and a relatively moderate UV index, spring serves as a comfortable time for visitors to explore this region.

Summers in Kerman, spanning from June to August, are characterized by intense heat with high temperatures fluctuating between 34°C (93.2°F) to 36°C (96.8°F). Similarly, the low temperatures remain warm, varying from 15°C (59°F) to 17°C (62.6°F). Expectedly, rainfall is almost non-existent during these months, resulting in dry conditions. Sunshine reaches its peak, drenching the city in sunlight for 11 hours per day. It should be noted, however, that the UV index also reaches its highest levels, suggesting visitors should take necessary precautions for sun protection.

Autumn, from September to November, witnesses a gradual cooling of weather in Kerman. High temperatures decrease from a warm 31°C (87.8°F) in September to a more moderate 19°C (66.2°F) by November. The low temperatures also decrease, falling from 10°C (50°F) down to -1°C (30.2°F) by November. Rainfall remains scarce, with just 1mm (0.04") recorded in September and October, increasing slightly to 5mm (0.2") by November. Sunshine hours also start to decrease from 10 hours a day in September to 8 by November, and the UV index also drops, making the weather more pleasant for visitors.

Winter, from December to February, is when Kerman experiences its coldest weather. During these months, the high temperatures drop from 14°C (57.2°F) in December to 12°C (53.6°F) in January and February, while the low temperatures range from a cold -4°C (24.8°F) to -1°C (30.2°F). Despite being the coldest time of year, this season also sees the highest rainfall with values ranging from 27mm (1.06") to 29mm (1.14"). The number of hours of daylight reduces to around 10 hours a day with 6 hours of sunshine. Even though winter brings the coldest climate, the low UV index of 4 provides conditions for a comfortable visit.

The weather in Kerman, Iran, in January, although the coldest month of the year, is mildly cool with temperatures ranging from -4°C (24.8°F) to 12°C (53.6°F). January signals the onset of the cold season in Kerman, yet it preserves a fairly comfortable climate considering it's winter. Weather in January »

As the weather softly transitions from January's coolness, February presents slightly better temperatures accompanied by a similar rainfall pattern. This alignment of weather variables offers a great environment for outdoor activities. Weather in February »

March in Kerman serves as a refreshing breather from the preceding chillier months. A distinct increase in daytime lengths adds a brighter hue to the cityscape. The city radiates this time of the year, often bare of significant rain and with temperatures climbing graciously. Weather in March »

April signals the full arrival of warmer temperatures and an overall dryer climate. As one progresses from March to April, the climate contributes to a vibrant and sunny environment in Kerman. The absence of heavy rainfall, longer sunlit days are perfect for soaking up the sun. Weather in April »

May heralds in a pleasant shift towards hotter summer temperatures, reaching as high as 30°C (86°F) in Kerman. Visitors and residents enjoy extended sunshine hours and a miniscule amount of rain. The higher temperatures combined with longer daylight hours make May an exciting time for outdoor activities. Weather in May »

June in Kerman marks the zestful arrival of summer with sunny, clear and warm days. Interestingly, this is the month with the least rainfall which echoes the typical desert climate of the region. The increase in daylight hours illumines Kerman's picturesque setting. Weather in June »

July is the zenith of summer in Kerman, with the highest temperatures of the year soaring to 36°C (96.8°F). It is a defining period where the city basks in the glow of the sun, providing an exceptional environment for sun lovers. Weather in July »

August weather is mostly high summer temperatures, only slightly lower than those in July. Kerman remains noticeably free from rainfall this month. While the temperatures remain elevated, the gradual descent signals the start of the conclusion of peak summer. Weather in August »

September signifies the transition from the sweltering heat of summer to the cooler temperatures expected during the autumn months. Kerman's temperature starts to recede gradually while maintaining warm conditions. The city becomes picturesque with clearer skies and plenty of sunshine. Weather in September »

October witnesses a significant drop in temperatures compared to September, plunging to a comfortable range championing a cooler climate. While Kerman becomes enveloped by the autumn season, the amount of rain remains remarkably low. Weather in October »

November forecasts a further fall in temperatures as winter officially makes its approach. Along with the plunging mercury, Kerman experiences an increase in the number of rainfall days. Despite the lower UV index, the presence of sunlight during daytime offers balanced weather conditions. Weather in November »

December in Kerman wraps up the year with the return of the winter season and lower temperatures in the range of -3°C (26.6°F) to 14°C (57.2°F). The city embraces colder weather, a decent amount of rainfall and a decrease in daylight hours. Weather in December »