Climate and monthly weather forecast
Hamedan, Iran

Hamedan, Iran, is fundamentally recognized by a Dsa climate according to the Köppen climate classification. This climate group depicts a hot summer Mediterranean climate. Its geographical location further influences its unique weather characteristics distributed throughout the year.

Typically, drastic contrasts are observed in the weather patterns in Hamedan concerning the temperature with high fluctuations between -10.5°C (13.1°F) and 34.9°C (94.8°F). Coinciding with these temperatures, the humidity levels follow a somewhat reciprocal pattern ranging from 31% to 76%. Owing to these climatic conditions, distinct seasonal changes are observed, each with its own typical weather attributes.

The city seldom receives rainfall from June to September with averages dropping to as low as 1mm (0.04") during September. Conversely, in other months rainfall averages range from 21mm (0.83") to 50mm (1.97"). Distinctively, the months of January to April and December experience the highest number of rainy days ascending to 12.4 days in March. Notably, there are months without snowfall between May and October, whereas in winter months, the average number of snowfall days can reach up to 8.8.

The daylight hours showcase their lowest values of 9.9 hours in December and climb to reach their maximum of 14.5 hours in June. The sunshine hours also pivot around these daylight hours, attaining their peak at 11.4 hours in June alongside the longest days of the year.

Considering the conditions throughout the year, the ideal time to visit Hamedan would be between April and June. During this period, the temperatures are moderately warm, ranging between 18.1°C (64.6°F) to 30.9°C (87.6°F), favouring outdoor activities. Alongside a comfortable temperature range, the high number of daylight hours, peaking at 14.5 hours in June, allows more exploration time. Also, the rainfall is significantly low ensuring minimal disruptions during the trip. Moreover, the relative humidity during these months is refreshingly low, creating a dry and comfortable atmosphere for tourists.

The period from December to February is arguably the least favourable time to visit Hamedan. During this time, temperature fall to extreme lows, dipping as much as -10.5°C (13.1°F) in January. Along with bitter cold, these winter months also witness a high frequency of snowfall and rain, which can amount to inconveniences during travel and outdoor activities. The shorter daylight hours, bottoming at 9.9 hours, further limit the time for exploration and sightseeing.

Spring in Hamedan, from March to May, hosts weather conditions varying significantly from a relatively cold -2.1°C (28.2°F) to a warm 23.9°C (75°F). Despite the fluctuating temperatures, this season provides an enjoyable blend of conditions for travelers with the number of daylight hours increasing from 12 hours to 14 hours. Chances of rain remain moderate in this period with rainfall averages between 38mm (1.5") and 50mm (1.97"). The season also marks the cessation of snowfall with fewer snowfall days observed as the season progresses.

The summer months of June through August are characterized by a hot climate with the mercury rising as high as 34.9°C (94.8°F). This period witnesses the driest months of the year with rainfall amounts dropping to as low as 2mm (0.08") whilst the recorded number of rainy days is almost negligible. Maximum daylight hours are experienced during this season, allowing one to make the most of the long, sunny days.

Autumn, observed from September through November in Hamedan, features temperatures falling from a high of 29.8°C (85.6°F) to a cooler 13.7°C (56.7°F). Although rainfall begins to increase during this period, with averages between 1mm (0.04") and 27mm (1.06"), the chance of rain remains comparatively low in contrast to other seasons. The number of daylight and sunshine hours also gradually decline heading into the winter.

Winters in Hamedan, from December through February, are dominated by harsh cold with temperatures plummeting to -10.5°C (13.1°F). Regular snowfall is witnessed during these months with the number of snowfall days hitting a high of 8.8 in January. Concurrently, the city experiences its highest rainfall averages escalating to 46mm (1.81") in January. The number of daylight hours remains least in these chilling months.

The start of the year in Hamedan, Iran, brings along cold weather with typical winter conditions. January observes the lowest high temperatures, hovering from around -10.5°C (13.1°F) to only 2°C (35.6°F), making this the coldest month of the year. Weather in January »

Compared to the conditions seen in January, the weather for February experiences a modest rise in temperatures. The average high temperature gradually climbs from 2°C (35.6°F) to 4.3°C (39.7°F), signalling the start of a transition out of winter. Weather in February »

The transition from winter to spring happens more conspicuously in March, with temperature fluctuations that lean more towards warmth. The month stands out for its significant increase in temperature, which rises from a mild 4.3°C (39.7°F) to a more gentle 11.5°C (52.7°F). Weather in March »

April witnesses a progression towards warmer weather, a deviation from the preceding months' weather patterns. The average high temperature shoots up to 18.1°C (64.6°F), differing starkly from the 11.5°C (52.7°F) of March. The city experiences a continued decline in rainfall and humidity. Weather in April »

Stepping into May, the weather continues to get warmer in Hamedan. The city experiences an observable climb in the temperature, soaring to an average high of 23.9°C (75°F). Distinct from April, May sees a decline in rainfall while the frequency of snowfall is akin to nonexistence. Weather in May »

The transition from May to June brings the first signs of summer. June is characterized by a high temperature that peaks at 30.9°C (87.6°F), setting it apart from the more agreeable warmth of May. Despite the increase in temperature, the rainfall and humidity remain quite low. Weather in June »

As the month with the highest recorded temperatures, July's weather in Hamedan, Iran sets itself apart. The thermometer measures up to an impressive 34.9°C (94.8°F), the pinnacle of the city’s annual high-temperature range. Rainfall is almost completely absent, and the humidity hits an annual low. Weather in July »

Despite a slight drop in the maximum temperature, Hamedan’s August weather still mirrors July's summery conditions. Temperature records high figures, albeit marginally lower than those recorded in July, falling to an average high of 34.2°C (93.6°F). Weather in August »

September marks the end of summer, with the weather in Hamedan, Iran witnessing a steady decrease in maximum temperatures. The month witnesses average high temperatures dropping to 29.8°C (85.6°F) as compared to an average high of 34.2°C (93.6°F) in August. Weather in September »

October sees a significant drop in the average high temperature and the commencement of Hamedan's fall season. Rainfall increases further from the previous month. Relative humidity starts to rise again after the drier summer months. Weather in October »

Contrasted with the warmth of the preceding months, November in Hamedan takes on a much cooler profile. The average high temperature drops to a chilly 13.7°C (56.7°F), indicating a significant departure from October's milder weather. Weather in November »

December brings the proper onset of winter weather in Hamedan, Iran. The maximum temperature drops to 5.9°C (42.6°F), forming an even colder climate in comparison to November's weather. The city sees more snowfall, and daylight durations reduce, resulting in shorter days and longer nights. Weather in December »