Last updated: August 21, 2025
January in Isfahan, Iran, offers a chillier climate, with temperatures ranging from a maximum of 18°C (66°F) to a minimum of -8°C (18°F). The average temperature sits around 4°C (40°F), making it a cool month overall. Rainfall is light, totaling just 8 mm (0.3 in) over two days, while the humidity remains moderate at 60%. Visitors can enjoy crisp, clear days, perfect for exploring the city’s rich history and stunning architecture.
In Isfahan, Iran, January showcases a sharp contrast in temperatures, with a minimum of -8°C (18°F) and a maximum reaching 18°C (66°F). The month typically averages around 4°C (40°F), making it one of the cooler periods of the year. Following January, temperatures begin to rise steadily; February sees an increase in the average to 8°C (46°F), while by March, it climbs further to 12°C (55°F) as the region transitions toward spring. This trend indicates a gradual warming, with the city experiencing a notable temperature shift as it moves from the depths of winter into the milder months ahead.
In January, Isfahan experiences a modest precipitation total of 8 mm (0.3 in) over just 2 days, marking the beginning of a slow transition from the dry months of winter. The precipitation gradually increases in February to 11 mm (0.4 in), hinting at the more substantial rains to come in the spring. As the months progress, precipitation peaks in November with 25 mm (1.0 in) spread across 4 days, illustrating a distinct seasonal pattern where rainfall becomes increasingly frequent and generous as winter gives way to spring. Notably, the summer months (June to September) see a stark decline in precipitation, leaving behind the arid landscape that characterizes this region during that season. Overall, January serves as a gentle reminder that while Isfahan may be drier than many cities, the rhythm of precipitation sets the stage for the lively weather that follows.
In January, Isfahan experiences relatively higher humidity levels, averaging around 60%. This is part of a notable trend in the winter months, where humidity tends to be more pronounced—November and December also feature elevated humidity, reaching 62% and 63%, respectively. As the seasons transition into spring, the humidity dips slightly in February to 56%, before peaking again at 60% in March. However, the dry, hot summer months bring a stark shift, with humidity plummeting to as low as 20% in August. As autumn arrives, humidity gradually increases once more, hinting at the cyclical nature of Isfahan's climate where the winter months are characterized by a comfortable moisture level, only to give way to dry heat in the summer.
In January, Isfahan experiences a UV Index of 5, categorized as moderate, with a burn time of approximately 30 minutes. As the month progresses into February, the UV Index rises to 7, indicating a high exposure level, which reduces the safe sun exposure time to 25 minutes. This upward trend continues into the spring months, where both March and April peak at a very high UV Index of 10 and a noticeably reduced burn time of just 15 minutes. As summer approaches, the UV Index escalates to an extreme level of 13 in May and June, maintaining this intensity through July and August. The fall months see a slight decline as September through November hover around a very high to high Index, settling at 6 in November, before dipping to 4 in December. For sun safety tips and detailed month-by-month insights, check out the Isfahan UV Index.
UV Risk Categories
In January, Isfahan basks in 240 hours of sunlight, a warm welcome to the new year that hints at the brighter days ahead. As February rolls in, sunlight increases to 291 hours, setting the stage for a gradual warming trend. By March, the sun's embrace reaches 344 hours, and April follows suit with an even brighter 347 hours, making these months ideal for exploring the city's rich history and stunning architecture. The days continue to lengthen into the summer, peaking in July with an impressive 395 hours of sunshine, before gradually tapering off in August. Despite the decreasing hours, the city still enjoys 379 hours of sun, providing ample opportunity for outdoor adventures. As September ushers in a transition to cooler temperatures, there is still a generous 348 hours of sunlight, leading to a pleasant autumn feel. The year closes with November and December offering 285 and 294 hours respectively, reminding us of the gentle ebb and flow of Isfahan's sun-drenched seasons.
In January, Isfahan enjoys a substantial 87% chance of sunny weather, making it one of the sunniest months of the year. This trend of radiant skies continues into February, but the likelihood dips to 71%. As spring approaches in March and April, the probability of sunny days remains relatively high at 74% and 61%, respectively. Interestingly, the city's sun-drenched days peak again during the summer months, particularly in June, when the chance of sunshine soars to 94%. Overall, Isfahan’s weather showcases an engaging pattern: while January starts strong, the sunny forecasts fluctuate through spring before reaching their zenith in the summer, only to transition back to more variable conditions in the fall and winter. This makes January a splendid time for visitors to bask in Isfahan's delightful winter sun.
In January, Isfahan enjoys about 10 hours of daylight, marking the year's lowest point for sunlit hours. As winter transitions into spring, daylight gradually increases, with February and March each offering 11 hours. By April, residents can bask in 12 hours of sunlight, heralding the arrival of warmer days. This trend continues into May and June, when daylight peaks at a generous 14 hours. As summer wanes, August sees a slight decrease to 13 hours, followed by a gradual decline in September and October back to 12 and 11 hours respectively. Finally, daylight returns to 10 hours in November and December, completing a cyclic journey through the year, where Isfahan experiences the vibrant dance of light and shadow.
In Isfahan during January, the average wind speed is a gentle 1.6 m/s (3 mph), setting a tranquil tone for the onset of the year. As the months progress, a noticeable increase in wind speed unfolds, peaking in March at 2.8 m/s (6 mph). The spring season brings a refreshing breeze, which gradually eases slightly into April and May, stabilizing around 2.3 m/s (5 mph). As summer arrives, wind speeds slightly fluctuate, reaching up to 2.6 m/s (6 mph) in July before softening again toward autumn. By November and December, the winds calm once more, returning to the familiar 3 mph of January. This subtle ebb and flow of wind in Isfahan weaves an intricate tapestry that reflects the shifting seasons, revealing the city’s dynamic yet serene atmospheric character.
Weather in Isfahan varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Isfahan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures range from a minimum of -8°C (18°F) to a maximum of 18°C (66°F), with an average of 4°C (40°F), while February sees a slight increase with a minimum still at -8°C (18°F) but an average rising to 8°C (46°F) and a maximum reaching 23°C (74°F). Precipitation in January is relatively low at 8 mm (0.3 in) over just 2 days, whereas February experiences slightly more rainfall, totaling 11 mm (0.4 in) over 3 days. The humidity levels are also marginally lower in February at 56% compared to 60% in January. For more details, you can check Isfahan weather in February.
January and March present notable differences in weather patterns. In January, temperatures range from a chilling minimum of -8°C (18°F) to a mild maximum of 18°C (66°F), with an average of around 4°C (40°F). Precipitation is limited, totaling just 8 mm (0.3 in) over two days, while humidity remains consistent at 60%. In contrast, March experiences significantly warmer temperatures, with minimums of -5°C (24°F), averages climbing to 12°C (55°F), and maximums reaching a balmy 31°C (87°F). Additionally, March sees increased precipitation at 18 mm (0.7 in) across four days, maintaining the same humidity level of 60%. For more details on Isfahan's weather during this month, check out Isfahan weather in March.
January and April in Isfahan present notably contrasting weather patterns. In January, temperatures range from a chilly minimum of -8°C (18°F) to a mild maximum of 18°C (66°F), with an average of 4°C (40°F). The month sees minimal precipitation of just 8 mm (0.3 in) over two days and a humidity level of 60%. In contrast, April experiences much warmer conditions, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 32°C (90°F), averaging 18°C (64°F). Precipitation increases to 17 mm (0.7 in) over five days, while humidity decreases slightly to 54%. This shift heralds the onset of spring, making April a more vibrant and warm month. For a detailed look at the weather patterns in April, visit Isfahan weather in April.
January and May present strikingly different weather conditions. In January, temperatures can drop as low as -8°C (18°F) and only reach an average high of 18°C (66°F), with the month experiencing about 8 mm (0.3 in) of precipitation over just two days and humidity levels around 60%. In contrast, May showcases a much warmer climate, with minimum temperatures starting at 8°C (47°F) and average highs reaching up to 37°C (99°F). Precipitation increases slightly to 13 mm (0.5 in) but occurs over three days, and the humidity drops to a more comfortable 49%. For a deeper dive into May’s weather specifics, you can refer to Isfahan weather in May.
In January, the weather is considerably colder, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 18°C (66°F) and an average of 4°C (40°F). The month experiences light precipitation of about 8 mm (0.3 in) over two days, accompanied by a humidity level of 60%. In stark contrast, June brings much warmer conditions, with temperatures soaring from a minimum of 15°C (58°F) to a maximum of 41°C (107°F) and an average of 29°C (85°F). Remarkably, June sees almost no precipitation, with just 1 mm (0.0 in) recorded and no rainy days, along with lower humidity levels at 37%. For more details, you can check Isfahan weather in June.
In January, the weather is characterized by significantly colder temperatures, with a minimum of -8°C (18°F) and an average of 4°C (40°F), while July showcases a much warmer climate, with temperatures ranging from a minimum of 16°C (62°F) to a scorching average of 31°C (88°F). January experiences some precipitation, with 8 mm (0.3 in) falling over two days, contrasting sharply with July, which boasts dry conditions with no recorded precipitation. Additionally, humidity levels during January average 60%, making it feel colder, compared to the more arid summer air in July, where humidity drops to just 24%. For a more detailed look at July weather patterns, you can refer to Isfahan weather in July.
In January, the weather is quite cold, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 18°C (66°F), and an average temperature of 4°C (40°F). This month experiences some precipitation, averaging 8 mm (0.3 in) over just 2 days, combined with a humidity level of 60%. In stark contrast, August brings significantly warmer weather, with temperatures soaring between 11°C (53°F) and a sweltering 42°C (107°F), resulting in an average high of 29°C (85°F). Remarkably, August sees no precipitation, making it a dry month with humidity dropping to just 20%. For more detailed insights on Isfahan's weather in August, you can visit Isfahan weather in August.
In January, temperatures in Isfahan can plunge to a minimum of -8°C (18°F) and offer an average of around 4°C (40°F), with highs reaching up to 18°C (66°F). The month typically experiences about 8 mm (0.3 in) of precipitation over just 2 days, and humidity levels hover around 60%. In stark contrast, September boasts much warmer weather, with minimum temperatures starting at 11°C (51°F) and averaging around 25°C (78°F), peaking at a scorching 37°C (100°F). Notably, September sees no precipitation, making for dry conditions with only 25% humidity. For more details on September’s weather, check this link: Isfahan weather in September.
In January, temperatures in Isfahan range from a low of -8°C (18°F) to a high of 18°C (66°F), averaging around 4°C (40°F). The month typically experiences some rain, with 8 mm of precipitation over two days and a humidity level of 60%. In stark contrast, October boasts much warmer temperatures, with a minimum of 3°C (37°F), an average of 18°C (65°F), and a maximum that can reach up to 34°C (93°F). October is notably drier, with only 3 mm of precipitation and no rainy days, alongside a lower humidity of 42%. For more specific insights into October's weather in Isfahan, you can visit Isfahan weather in October.
In January, temperatures range from a chilly -8°C (18°F) to a maximum of 18°C (66°F), with an average of 4°C (40°F) and relatively low precipitation of 8 mm (0.3 in) over just 2 days. This month experiences a humidity level of 60%. In contrast, November brings milder conditions, with temperatures fluctuating between -4°C (24°F) and a warm high of 27°C (81°F), resulting in an average of 10°C (50°F). November also sees increased precipitation at 25 mm (1.0 in) over 4 days and slightly higher humidity at 62%. For a deeper look at November weather, you can visit Isfahan weather in November.
In comparing the weather between January and December, January tends to be slightly colder, with average temperatures ranging from a minimum of -8°C (18°F) to a maximum of 18°C (66°F), while December experiences a milder range from -6°C (21°F) to 22°C (72°F). Precipitation is lower in January, with only 8 mm (0.3 in) over two days, compared to December's 11 mm (0.5 in), although both months have the same number of rainy days. Additionally, January's humidity levels are a bit lower at 60%, while December holds a slightly higher humidity of 63%. For more detailed information, you can visit Isfahan weather in December.
In January, Isfahan experiences a notable shift in weather compared to the rest of the year. With temperatures averaging around 4°C, the city finds itself in the grip of winter, making it one of the coldest months. The maximum temperature reaches a mild 18°C, offering a pleasant respite from the chill, while the minimum can plummet to -8°C. Unlike other months that are often characterized by heavier rainfall, January sees minimal precipitation—only around 8 mm across a couple of days—creating a predominantly dry atmosphere. The 60% humidity adds a touch of crispness to the air, making this month ideal for those who enjoy cooler, refreshing weather. For more detailed insights into the yearly weather patterns, visit Isfahan Climate.