Last updated: January 18, 2025
Qazvīn, Iran, exhibits a Mediterranean climate classified as Csa under the Köppen-Geiger system. Characterized by hot, dry summers and mild, wet winters, the region experiences a remarkable temperature range. The coldest month, February, sees lows plummet to -17°C (1°F), while the height of summer, July, can reach scorching highs of 42°C (107°F). The annual average temperature stabilizes around a comfortable 14°C (58°F), illustrating the stark seasonal contrasts that define Qazvīn's climate.
In Qazvīn, Iran, temperature patterns reveal a distinct seasonal cycle that transitions from chilly winters to sweltering summers. The year begins with January temperatures dipping as low as -15°C (5°F) and gradually warming, with February marking the coldest month at a minimum of -17°C (1°F) and an average of 3°C (38°F). As spring approaches, March and April showcase a notable rise, with averages reaching 8°C (47°F) and 13°C (56°F), peaking at 31°C (88°F) in April. The summer months of June to August bring the highest extremes, with highs soaring to 42°C (107°F) in July. As fall sets in, September initiates a gradual cool-down, ending the year with December temperatures returning to sub-zero conditions, highlighting a marked shift between the warm and cold seasons that defines the climate of this region.
Bu'in Zahra experiences a minimum temperature of -14°C (7°F) in January and can reach up to 41°C (107°F) in July, making it a location of significant thermal variation throughout the year (monthly temperatures in Bu'in Zahra). In nearby Qazvin, the winter chill is even sharper, with a minimum of -16°C (3°F) in February, while the summer heat peaks at 40°C (104°F) in July (monthly temperatures in Qazvin). Takestan also experiences extreme temperatures, with lows of -12°C (10°F) in January and highs reaching 42°C (107°F) in July (monthly temperatures in Takestan).
Qazvīn, Iran, experiences a marked seasonal variation in precipitation, with the majority falling during the late autumn and winter months. February stands out as the wettest month, receiving 68 mm (2.7 in) of rainfall over an average of 8 days. This is closely followed by April, which, with 78 mm (3.1 in) of rain over 11 days, signals the transition to spring. The spring months of March and May also contribute appreciably, although rainfall begins to taper off as summer approaches.
The summer period sees a significant drop in precipitation, with June recording a mere 5 mm (0.2 in) and July and August virtually dry, both receiving less than 3 mm (0.1 in). As the year progresses into autumn, October and November witness a resurgence in precipitation, bringing 31 mm (1.2 in) and 48 mm (1.9 in), respectively. Overall, the distribution of rainfall in Qazvīn reflects its Mediterranean climate, characterized by a wet season in winter and a dry summer, contributing to the region's distinct ecological patterns.
In Qazvīn, Iran, the sunshine duration exhibits a clear seasonal progression, reflecting a steady increase from the shorter days of winter to the longer, sun-drenched summers. Starting with 226 hours of sunshine in January, there is a noticeable uptrend as the months progress. February sees an increase to 265 hours, and by March, the totals climb significantly to 322 hours, signaling the transition towards spring. April and May continue this trend, with sunshine peaking at 387 hours in May, illustrating the vibrant growth period characteristic of the season.
As summer approaches, the sunshine hours reach their zenith, with July boasting an impressive 400 hours, providing ample daylight for the region. Although sunshine remains abundant in August at 381 hours, a gradual decline begins in September, where 344 hours are recorded. The autumn months see further decreases, with October retaining 315 hours before plunging to 262 hours in November. December slightly rebounds to 269 hours, but overall, the data reveals a dynamic seasonal pattern in Qazvīn, marked by the highest prevalence of sunshine during the summer months and a significant reduction in the fall and winter, fostering a notable contrast in the region's climate throughout the year.
In Qazvīn, Iran, the UV Index displays a significant seasonal fluctuation, closely linked to the intensity of sunlight received throughout the year. The winter months start with a moderate category UV Index of 5 in January, with a safe exposure time of 30 minutes before skin burns. As the year progresses into February, the UV Index rises to 6, transitioning into the high exposure category, with a burn time of 25 minutes. March and April usher in a noteworthy increase to a very high UV Index of 9, where individuals should limit sun exposure to just 15 minutes to avoid skin damage.
The peak for UV radiation occurs in late spring and summer, where May reaches an extreme UV Index of 13, leading to a burn time of only 10 minutes. This intensity persists into June and July, which both register a UV Index of 12. August follows closely with an Index of 11, before gradually declining in September to 10, marking a return to the very high category. As the year winds down, the UV Index diminishes, hitting 7 in October and dropping back to 5 in November and 4 in December, indicating a seasonal shift that underscores the importance of sun safety practices, especially during the summer months when UV radiation can be particularly harmful.
UV Risk Categories
In Qazvīn, Iran, daylight duration exhibits a clear seasonal pattern, reflecting the progression from winter to summer. The year begins with shorter days in January with only 9 hours of daylight, gradually increasing to 10 hours in February and 11 hours in March. By April, daylight extends to 13 hours, setting the stage for the longest days of the year. May and June both equalize at 14 hours of sunlight, offering significant opportunity for outdoor activities and agricultural productivity during these vibrant months.
As summer transitions to fall, daylight hours begin to wane, starting with a slight reduction to 13 hours in August. This declining trend continues, with September realizing 12 hours and October dropping further to 11 hours. November sees shorter days at 10 hours, and daylight once again recedes to 9 hours by December, mirroring the beginning of the year. Overall, the variation in daylight duration in Qazvīn not only shapes daily life and natural rhythms but also illustrates the region's distinct seasonal shifts.
Abyek, Iran experiences a diverse climate with cold winters and hot summers. January sees temperatures ranging from -15°C to 14°C, while July peaks at a sweltering 39°C. Precipitation is highest in winter and spring, particularly in February and April, with average rainfall around 69 mm and 70 mm, respectively. The region enjoys ample sunshine, especially in the summer months, with July receiving about 398 hours. For more detailed climate information, visit Abyek climate.
Alvand, Iran experiences a diverse climate characterized by cold winters and hot summers. January temperatures range from a minimum of -14°C (7°F) to a maximum of 14°C (57°F), while July sees much warmer averages between 13°C (56°F) and 40°C (104°F). Precipitation is highest in spring, peaking at 90 mm (3.6 in) in April, and decreases significantly during the summer months. Sunshine hours are abundant, especially in June and July, with each month boasting around 398 hours of sunlight. For more details, visit Alvand climate.
Bu'in Zahra, Iran experiences a continental climate with significant seasonal temperature variations. Winters can be quite cold, with January lows reaching -14°C (7°F), while summers are hot, peaking at around 41°C (107°F) in July. Precipitation is highest in spring, particularly in April (78 mm), and tapers off during the dry summer months of June to August. The region enjoys abundant sunshine throughout the year, especially in the summer, with July boasting around 402 hours of sun. For more detailed information, visit Bu'in Zahra climate.
Qazvin, Iran experiences a continental climate characterized by cold winters and hot summers. January and February are the coldest months, with temperatures plunging to a minimum of -16°C (3°F) and averaging just above freezing. The warmer months, particularly from June to August, see highs reaching up to 40°C (104°F) alongside significant sunshine. Precipitation is highest in the spring months, particularly in April, when it can reach 90 mm (3.6 in). For more detailed information, visit Qazvin climate.
The climate in Takestan, Iran, is characterized by distinct seasonal variations, with cold winters and hot summers. January temperatures range from -12°C to 15°C, while July sees highs reaching 42°C. Precipitation is heaviest from February to April, with February recording 60 mm (2.4 in), while summer months like June and July are quite dry. Sunshine is abundant throughout the year, peaking in July with 402 hours. For more detailed information, visit Takestan climate.
In conclusion, the climate of Qazvīn, Iran, is marked by notable seasonal variations, encompassing temperature fluctuations, precipitation patterns, sunshine duration, UV Index levels, and daylight duration. The region experiences hot, dry summers and mild, wet winters, which significantly influence its ecological dynamics and agricultural practices. As illustrated, the summer months yield the highest temperatures and UV exposure, underscoring the importance of sun safety, while winter brings colder temperatures and shorter daylight hours. Additionally, the pronounced seasonal changes in precipitation and sunshine highlight the region's Mediterranean characteristics. Understanding these climatic factors provides valuable insights for residents, farmers, and researchers, as they navigate the unique environmental conditions that define life in Qazvīn.