Last updated: August 27, 2025
July in Irkutsk, Russian Federation, is characterized by warm temperatures and moderate rainfall. With daytime highs soaring to a maximum of 32°C (90°F) and an average temperature of 19°C (66°F), residents and visitors can enjoy pleasant summer days. However, evenings can be cooler, dipping to a minimum of 8°C (46°F). The month sees approximately 96 mm (3.8 in) of precipitation spread across 12 days, contributing to a humidity level of 71% that enhances the lush greenery of the region. This combination of warm temperatures and varied weather creates a vibrant summer atmosphere perfect for outdoor exploration.
In July, Irkutsk experiences a delightful transformation as temperatures rise significantly compared to the frigid winter months. With minimums reaching 8°C (46°F) and averages of 19°C (66°F), the city basks in warmth that invites both residents and tourists to explore its stunning landscapes. The maximum temperature can soar to 32°C (90°F), bringing a vibrant energy to the city during the peak of summer. This stark contrast to the preceding months showcases a remarkable climatic shift, as Irkutsk transitions from the extreme cold of winter—where January temperatures can plummet to an astounding -41°C (-41°F)—to a much more temperate and enjoyable summer. These warmer conditions provide an excellent backdrop for outdoor activities and cultural experiences, making July one of the most inviting times to visit this charming Siberian city.
In Irkutsk, July marks a significant peak in precipitation, with 96 mm (3.8 in) of rain falling over 12 days—a stark contrast to the winter months where totals hover around 12 mm to 19 mm. As summer reaches its zenith, the increase in rainfall from June's 47 mm (1.8 in) highlights a transition into a wetter season, providing essential moisture after a relatively dry spring. This surge in precipitation not only contributes to the lushness of the surrounding landscapes but also signals a shift in weather patterns, as the city experiences its highest levels of rainfall, paving the way for vibrant natural growth in the months that follow.
In July, Irkutsk experiences a notable shift in humidity, with levels reaching 71%. This slight increase from June's 64% indicates the onset of summer, but it's far from the extreme dampness of the preceding winter months, where humidity peaks at an impressive 94% in January. As summer progresses, humidity levels begin to rise again into August, stabilizing around 73%. Overall, this mid-summer peak marks a transitional phase in which the air retains a comfortable moisture, bridging the lower levels experienced in late spring to the wetter conditions that are expected as fall approaches.
In July, Irkutsk experiences a very high UV Index of 8, consistent with the peak levels reached in June, which signals a critical time for sun exposure. With a burn time of just 15 minutes, residents and visitors must be particularly cautious, as prolonged exposure increases the risk of skin damage. This month mirrors the trend seen in the preceding months, where UV levels steadily rise from a low of 1 in January to the striking heights of late spring and summer. The patterns indicate that as the city transitions from cool to warmer months, the need for sun protection becomes increasingly imperative. For a detailed understanding of UV radiation levels throughout the year, check out this resource: Irkutsk UV Index.
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In July, Irkutsk basks in a generous 372 hours of sunshine, making it one of the sunniest months of the year. Following a steady ascent from 166 hours in January, the city's sun exposure peaks in June before slightly declining in July, yet remains robust. This pattern of increasing daylight creates a vibrant atmosphere as the summer reaches its zenith. Interestingly, as August rolls in, the sunlit hours begin to taper off, hinting at the transition toward the cooler months ahead. The trend underscores Irkutsk's unique climatic rhythm, where the long, bright days of summer provide a stark contrast to the winter months, when sunshine dwindles to as low as 166 hours in January.
In Irkutsk, Russian Federation, July brings a 39% chance of sunny weather, consistent with the unpredictable climatic patterns typical of summer months in the region. Unlike earlier months like March, which boasts a more promising 48% chance, July's likelihood of sunshine mirrors the slightly overcast June and showcases a dip from the brighter spring months. This trend often leaves residents and visitors navigating a balance between warmth and overcast skies. As the summer progresses into August, the chances of sun further decline to 34%, hinting that while July can be a delightful time for outdoor activities, cloud cover is still a frequent companion in this scenic Siberian locale. Overall, while sunshine is certainly feasible, Irkutsk remains a place where the sun plays shy, adding an element of surprise to summer days.
In Irkutsk, the allure of July shines brightly as it shares the peak of daylight duration with June, offering an impressive 16 hours of sunlight. This extended exposure is a striking contrast to the winter months, where daylight dwindles to just 8 hours in January and November, and a mere 7 hours in December. Following a gradual increase from 8 hours in January to 15 hours in May, the days reach their zenith during the summer, creating a vibrant atmosphere perfect for outdoor adventures and exploration. As August approaches, the daylight begins to taper off to 14 hours, signaling the transition to autumn. This rhythmic shift in daylight not only outlines the seasonal changes in Irkutsk but also enriches the local lifestyle, encouraging residents and visitors alike to savor the warmth and brightness of summer days.
In Irkutsk, July brings a gentle breeze with an average wind speed of 2.3 m/s (5 mph), marking a noticeable dip from the more invigorating winds of the preceding months. This reduction in wind speed continues the trend of summer's calmer atmosphere, following a spring that saw gradual increases culminating in 3.2 m/s (7 mph) in May. Interestingly, it appears that the winds tend to soften during summer, as June also exhibited slightly stronger breezes at 2.9 m/s (7 mph) before July's retreat to its lowest point of the year. As the summer unfolds, the consistent drop in wind speeds hints at a more tranquil Irkutsk, allowing residents and visitors alike to enjoy the warm, serene days that characterize this beautiful season.
Weather in Irkutsk varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Irkutsk, focusing on differences in temperature, rainfall, humidity, and UV levels.
In July, the weather in Irkutsk is characterized by a significant warmth, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 32°C (90°F), averaging around 19°C (66°F). This month sees around 96 mm (3.8 in) of precipitation over approximately 12 days, along with a humidity level of 71%, which can create a warm and humid atmosphere. In contrast, January offers a starkly different climate, with frigid temperatures plummeting to a minimum of -41°C (-41°F) and averaging -19°C (-1°F), peaking at a maximum of -5°C (24°F). The precipitation drops to just 12 mm (0.5 in) over about 4 days, but the humidity is notably higher at 94%, contributing to a biting cold. For a detailed look at January weather in Irkutsk, you can visit Irkutsk weather in January.
July and February offer strikingly different weather conditions. July boasts a mild average temperature of 19°C (66°F) with highs reaching up to 32°C (90°F), whereas February's temperatures plunge to an average of -16°C (3°F), with lows sinking as low as -40°C (-39°F). While July experiences more precipitation at 96 mm (3.8 in) over 12 days, February is relatively dry with just 11 mm (0.4 in) over 4 days. Notably, February’s humidity is higher at 90%, creating a chilling atmosphere compared to the more pleasant 71% humidity of July. For a detailed look at February weather in Irkutsk, check out Irkutsk weather in February.
When comparing the weather in July and March, the differences are striking. July experiences much milder temperatures, with a minimum of 8°C (46°F) and a maximum reaching up to 32°C (90°F), while March remains frigid, with temperatures plummeting to a minimum of -30°C (-22°F) and only peaking at 12°C (54°F). Additionally, July sees significantly higher precipitation levels of 96 mm (3.8 in) over 12 days, compared to March’s modest 16 mm (0.6 in) over just 4 days. Interestingly, while the humidity in July is 71%, March has a slightly higher humidity level at 81%. For a closer look at the weather specifics in March, you can refer to Irkutsk weather in March.
In comparing the weather of July and April, we see a stark contrast in temperatures and precipitation levels. July boasts a much warmer temperature range, with a minimum of 8°C (46°F) and an average of 19°C (66°F), peaking at a maximum of 32°C (90°F). This summer month also experiences relatively high humidity at 71%, coupled with 96 mm (3.8 in) of precipitation over 12 days. In contrast, April features a significantly cooler climate, starting with a minimum temperature of -11°C (13°F) and an average of just 4°C (39°F), while maxing out at 28°C (82°F). The month is drier, with only 19 mm (0.8 in) of rain falling over just 6 days, and a slightly higher humidity level of 73%. For further details, you can check Irkutsk weather in April.
When comparing the weather in July and May, a noticeable difference in temperature and precipitation emerges. July experiences milder minimum temperatures at 8°C (46°F) and averages a comfortable 19°C (66°F), reaching a maximum of 32°C (90°F). This month also sees higher precipitation at 96 mm (3.8 in) across 12 days and slightly elevated humidity at 71%. In contrast, May starts off cooler with minimum temperatures dropping to -4°C (24°F), an average of 10°C (50°F), and a peak of 31°C (89°F). Precipitation is lower in May at 48 mm (1.9 in) over 11 days, with humidity at a slightly lower 67%. For more information, you can check Irkutsk weather in May.
In comparing the weather between June and July, it’s clear that July tends to be warmer, with average temperatures ranging from a minimum of 8°C to a maximum of 32°C, compared to June's temperatures that range from a low of 2°C to a high of 33°C. While July boasts a warmer average of 19°C, it also experiences increased humidity at 71%, compared to June's 64%. Additionally, July sees significantly more rainfall, with 96 mm over 12 days, whereas June has only 47 mm across 10 days of precipitation. This suggests a transition from the cooler, drier conditions of June, which can be explored further at Irkutsk weather in June.
In comparing the weather between July and August, July typically experiences warmer temperatures, with a minimum of 8°C (46°F) and an average of 19°C (66°F), peaking at a maximum of 32°C (90°F). In contrast, August sees cooler minimum temperatures around 4°C (39°F) and a slightly lower average of 17°C (63°F), with a maximum of 30°C (86°F). Precipitation levels are relatively similar in both months, with July receiving 96 mm (3.8 in) and August slightly less at 88 mm (3.5 in), though both months record rainfall on about 12 days. Humidity also increases marginally in August to 73%, compared to July's 71%. For more detailed information on the weather in August, you can visit Irkutsk weather in August.
July weather in Irkutsk is characterized by warmer temperatures, with averages around 19°C (66°F) and highs reaching up to 32°C (90°F). It also experiences relatively high humidity at 71%, along with a notable amount of precipitation, totaling 96 mm (3.8 in) over 12 days. In contrast, September brings a significant drop in temperature, with averages falling to 11°C (52°F) and minimum temperatures dipping to -1°C (31°F). Although precipitation is slightly less at 75 mm (2.9 in) over 10 days, humidity increases to 84%, contributing to a crisp feel in the air. For more details on the weather conditions, visit Irkutsk weather in September.
July and October present quite contrasting weather patterns. In July, temperatures range from a mild 8°C (46°F) at night to a warm 32°C (90°F) during the day, with an average of 19°C (66°F). There is also a fair amount of precipitation, totaling 96 mm (3.8 in) over about 12 days, and humidity sits at a comfortable 71%.
In contrast, October experiences much colder temperatures, with a minimum of -8°C (18°F) and an average of only 3°C (37°F), while the daytime high can reach up to 22°C (71°F). The month sees significantly less rainfall, averaging just 25 mm (1.0 in) across about 6 days, but humidity climbs to 84%. For more detailed information on what to expect, check out Irkutsk weather in October.
July and November present starkly contrasting weather conditions. In July, temperatures range from a mild minimum of 8°C (46°F) to a warm maximum of 32°C (90°F), with an average of 19°C (66°F). This month also sees a considerable amount of precipitation, totaling 96 mm (3.8 in) over 12 days, accompanied by a humidity level of 71%. In contrast, November is characterized by much colder weather, with temperatures plummeting to a minimum of -28°C (-18°F) and an average temperature of -7°C (20°F), peaking at only 10°C (50°F). The precipitation is significantly lower in November, at just 13 mm (0.5 in) over 4 days, and the humidity rises to a high of 90%. For further details, you can check Irkutsk weather in November.
The weather in July and December presents a stark contrast. In July, temperatures range from a mild 8°C (46°F) at night to a warm 32°C (90°F) during the day, with an average of 19°C (66°F). However, this month also sees significant precipitation, totaling 96 mm (3.8 in) over approximately 12 days, along with a humidity level of 71%. In stark contrast, December experiences bitterly cold conditions, with temperatures plummeting to a minimum of -39°C (-38°F) and averaging -17°C (2°F), peaking at only 3°C (38°F). The month has much lower precipitation, only 19 mm (0.7 in) across 5 days, but the humidity soars to 96%, creating a chilly, damp atmosphere. For a deeper dive into December's weather specifics, you can refer to Irkutsk weather in December.
July in Irkutsk offers a notable departure from the rest of the year, basking in the warmth of summer with average temperatures climbing to a pleasant 19°C (66°F) and maximums reaching as high as 32°C (90°F). While the month is characterized by increased humidity at 71%, the significant precipitation—amounting to 96 mm (3.8 in) over about 12 days—ensures a lush, vibrant landscape. Unlike the cooler, drier months that precede and follow it, July provides a perfect blend of warmth and occasional refreshing rains, making it an ideal time for outdoor adventures. To explore more about what to expect throughout the year, check out Irkutsk Climate.