Last updated: August 28, 2025
June in Ulan Bator, Mongolia, showcases a dynamic climate that transitions from chilly nights to warm, sunny days. High temperatures can reach up to 32°C (90°F), while the average settles around 15°C (59°F), providing a pleasant experience for outdoor activities. However, nighttime temperatures can dip as low as -3°C (28°F), reminding visitors of the region's brisk ambiance. With 44 mm (1.7 in) of precipitation spread over 7 days, June brings a mix of sunshine and refreshing summer showers, leading to an average humidity level of 55%. This combination of warmth and moisture creates an invigorating atmosphere, perfect for exploring the beauty of Mongolia’s capital.
In June, Ulan Bator, Mongolia experiences a remarkable transformation as temperatures rise significantly from the biting cold of winter. The month ushers in a gentle warmth, with minimum temperatures averaging around -3°C (28°F), while daytime highs can reach a pleasant 32°C (90°F). This shift creates a vibrant atmosphere, perfect for outdoor activities and exploration. The average temperature of 15°C (59°F) marks a stark contrast to the frigid depths of January, highlighting the rapid seasonal change. With abundant sunshine and milder weather, June is undoubtedly a time to relish the beauty of Mongolia's landscapes, setting the stage for a lush summer ahead.
June marks a noticeable escalation in precipitation in Ulan Bator, Mongolia, with 44 mm (1.7 in) of rain, significantly up from the 26 mm (1.0 in) recorded in May. This month typically sees around 7 days of rain, setting the stage for a wet season as the summer progresses. The trend is clear—June serves as a pivotal transition point, heralding the onset of the most humid months ahead, as July and August follow with even higher precipitation levels of 72 mm (2.9 in) and 83 mm (3.3 in) respectively. This shift not only enriches the landscape, transforming the typically arid terrain but also showcases the increasing dynamism of Mongolia's climate during these warmer months.
In Ulan Bator, June marks a notable transition in humidity, hovering around 55%. This level is a slight increase from May's more comfortable 50%, suggesting the onset of summer's influence. As the year progresses, humidity levels gradually rise from the frigid 92% in January to a more moderate 57% by July, reflecting the city's shifting climate. While June's humidity is higher than the crisp spring months of April and May, it remains relatively balanced compared to the peak winter months and the subsequent warm season, showcasing Ulan Bator's unique climatic rhythm.
In Ulan Bator, June marks the peak of the year with a UV Index of 9, placing it in the very high exposure category. This means that sun safety is crucial, as the burn time drops to just 15 minutes for unprotected skin. Following the pattern established in May, which also recorded a UV Index of 9, summer in the city is characterized by intense solar radiation. As we transition from the cooler months — where UV levels range from low to moderate in January and February — to these sunnier days, it’s important for residents and visitors to adapt their sun protection strategies accordingly. For a detailed look at the UV Index throughout the year, visit Ulan Bator UV Index.
UV Risk Categories
June in Ulan Bator, Mongolia, welcomes the warmth of summer with a generous 369 hours of sunshine, making it one of the sunniest months of the year. This delightful increase follows the blossoming days of May, which boasts 376 hours, hinting at a vibrant transition into summer. The consistent rise in sunlight hours from the cold depths of winter—where January sees only 203 hours—paints a radiant picture of nature's rejuvenation. As we move away from the longer, sunlit days towards the moderately sunny August, which captures 346 hours, June stands as a pivotal moment in the yearly cycle, underscoring the welcoming embrace of summer in Mongolia's capital.
In Ulan Bator, Mongolia, the likelihood of sunny weather in June presents a shift as the city transitions from spring to summer. With a 41% chance of sunshine, June ranks among the lower probabilities compared to other months, reflecting a trend of diminishing sunshine that begins in May. Interestingly, this pattern contrasts with the higher percentages typically observed later in the year, particularly in the brighter days of October and December, where the chances rise dramatically to 69% and 75% respectively. As summer approaches, June's relatively muted sunshine signals that while the season brings warmth, it might not be as consistently sunny as one might hope.
In Ulan Bator, June marks a continuation of the long daylight hours that began in May, with citizens enjoying around 15 hours of sunlight. This consistent brightness persists through July, creating a vibrant atmosphere in the city during the height of summer. As the year transitions into August, there is a slight decline in daylight to 14 hours, indicating the gradual shift towards autumn. Notably, after the long days of summer, daylight begins to taper off, dropping to 12 hours in September and further decreasing as winter approaches. This cyclical pattern illustrates how Ulan Bator’s daylight hours dramatically fluctuate throughout the year, influencing the lifestyle and activities of its residents.
In Ulan Bator, the month of June sees an average wind speed of 3.3 m/s (7 mph), reflecting a gentle breeze that is characteristic of late spring transitioning into summer. This shift is notable, as it follows a steady increase from the chillier months of January through May, where wind speeds consistently rise from 2.6 m/s to a peak of 3.8 m/s. As the city approaches the peak of summer, July experiences a drop to 2.3 m/s, indicating a calming of the winds that tends to accompany warmer temperatures. Overall, June stands out as a transitional month where the winds are neither too aggressive nor too still, offering a comfortable atmosphere for residents and visitors alike.
Weather in Ulan Bator varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Ulan Bator, focusing on differences in temperature, rainfall, humidity, and UV levels.
In June, Ulan Bator experiences a much milder climate with temperatures ranging from a minimum of -3°C (28°F) to a maximum of 32°C (90°F), while the average hovers around a pleasant 15°C (59°F). The month sees an average precipitation of 44 mm (1.7 in) over approximately seven days, accompanied by a moderate humidity level of 55%.
In stark contrast, January is characterized by harsh winter conditions, with temperatures plummeting to an extreme minimum of -42°C (-44°F) and a maximum of only -5°C (23°F). The average temperature is a frigid -22°C (-8°F), and remarkably, there is minimal precipitation of just 2 mm (0.1 in) over zero days, with humidity spiking to a high of 92%. For more detailed insights, check Ulan Bator weather in January.
June and February present stark contrasts in weather conditions. In June, temperatures range drastically, with a minimum of -3°C (28°F) and a comfortable average of 15°C (59°F), peaking at a high of 32°C (90°F). This month sees moderate precipitation levels of 44 mm (1.7 in) over about 7 days, coupled with a humidity level of 55%. On the other hand, February is characterized by bone-chilling cold, where temperatures plummet to a minimum of -38°C (-36°F), with an average temperature of -18°C (0°F) and a maximum reach of only 4°C (39°F). Precipitation is minimal in February, at just 5 mm (0.2 in) over one day, and the humidity is notably higher at 84%. For a detailed look at the weather conditions in February, you can refer to Ulan Bator weather in February.
When comparing the weather patterns of June and March, a stark contrast emerges. June boasts a milder range of temperatures, with lows around -3°C (28°F) and highs reaching up to 32°C (90°F), resulting in an average temperature of 15°C (59°F). The month also experiences approximately 44 mm (1.7 in) of precipitation over about 7 days, with a moderate humidity level of 55%. In contrast, March is significantly colder, with a minimum temperature of -29°C (-20°F) and a maximum of just 16°C (61°F), leading to an average of -7°C (20°F). Precipitation is minimal in March, amounting to only 7 mm (0.3 in) over 2 days, accompanied by a higher humidity of 64%. For a more detailed look at the March weather, you can check Ulan Bator weather in March.
June and April showcase significantly different weather patterns, with June typically experiencing warmer temperatures compared to the brisk conditions of April. In June, temperatures range from a chilly minimum of -3°C (28°F) to a maximum of 32°C (90°F), providing an average of 15°C (59°F). In contrast, April records a minimum of -16°C (4°F) and a maximum of 25°C (77°F), with an average just slightly above freezing at 2°C (36°F). Additionally, June sees higher precipitation levels at 44 mm (1.7 in) over 7 days, while April has only 15 mm (0.6 in) across 4 days, indicating that June is not only warmer but also wetter. Both months exhibit similar humidity levels, with June at 55% and April slightly higher at 59%. For more detailed insights, you can visit Ulan Bator weather in April.
In comparing the weather of June and May, we see a significant transition in conditions. June boasts a minimum temperature of -3°C (28°F) and an average of 15°C (59°F), rising to a maximum of 32°C (90°F), indicating a warming trend. In contrast, May's temperatures range from a minimum of -8°C (18°F) to a maximum of 30°C (87°F), with a lower average of 9°C (48°F). Precipitation in June is higher at 44 mm (1.7 in) over 7 days, compared to May's 26 mm (1.0 in) over 5 days, revealing that June is not only warmer but also wetter. Humidity levels also show a slight increase in June at 55%, compared to May's 50%. For more details, you can check Ulan Bator weather in May.
June and July in Ulan Bator showcase distinct changes in weather patterns. June experiences a wider temperature range, with minimums dropping to -3°C (28°F), while the average sits at 15°C (59°F) and peaks at 32°C (90°F). Precipitation is relatively low at 44 mm (1.7 in) over 7 days, accompanied by a humidity level of 55%. In contrast, July sees warmer nights with a minimum of 5°C (41°F) and an average temperature of 17°C (64°F), maintaining a maximum of 32°C (91°F). However, this month also brings increased rainfall, with 72 mm (2.9 in) of precipitation accumulating over 12 days and a slight rise in humidity to 57%. For more detailed information, you can check Ulan Bator weather in July.
June and August in Ulan Bator showcase distinct weather patterns reflective of the transitional summer period. In June, temperatures range from a low of -3°C (28°F) to a maximum of 32°C (90°F), with an average of 15°C (59°F). The month experiences relatively less precipitation, totaling 44 mm (1.7 in) over about 7 days, while humidity sits around 55%. Conversely, August sees a more moderate temperature range, with a minimum of 0°C (33°F) and a maximum of 28°C (82°F), averaging 14°C (58°F). This month also brings increased rainfall, accumulating 83 mm (3.3 in) over 13 days, accompanied by slightly higher humidity at 58%. For a more detailed look at August weather, you can visit Ulan Bator weather in August.
June and September in Ulan Bator display distinct differences in weather patterns. June experiences a broader range of temperatures, with minimums around -3°C (28°F) and maximums soaring up to 32°C (90°F), making it relatively warm with an average temperature of 15°C (59°F). In contrast, September's weather is cooler, featuring minimums dipping to -9°C (16°F) and an average temperature of just 9°C (48°F) while maxing out at 27°C (81°F).
Moreover, while June sees around 44 mm (1.7 in) of precipitation over 7 days, September has a slightly higher precipitation level at 51 mm (2.0 in) across 8 days and increased humidity at 65%, compared to June's 55%. For a closer look at September’s weather specifics, visit Ulan Bator weather in September.
June and October exhibit striking differences in weather patterns. In June, temperatures frequently fluctuate, with a minimum of -3°C (28°F), an average of 15°C (59°F), and a maximum reaching up to 32°C (90°F). The month sees about 44 mm (1.7 in) of precipitation over roughly 7 days, accompanied by a moderate humidity level of 55%.
Conversely, October features a colder climate, with a minimum temperature plunging to -16°C (4°F) and an average of -1°C (30°F). Although the maximum temperature can still reach 22°C (72°F), the overall weather is noticeably cooler, receiving only 21 mm (0.8 in) of precipitation across about 4 days, and a higher humidity of 65%. For a more detailed perspective on October weather, you can explore Ulan Bator weather in October.
June and November present stark contrasts in weather conditions. June enjoys a wide range of temperatures, with a minimum of -3°C (28°F) and a comfortable average of 15°C (59°F), peaking at a warm 32°C (90°F). This month also sees moderate precipitation of 44 mm (1.7 in) spread over about 7 days and a humidity level of 55%. In contrast, November is significantly colder, with temperatures plummeting to a minimum of -35°C (-32°F) and an average temperature of -12°C (11°F), warming only to a maximum of 9°C (49°F). Precipitation is much lower at 10 mm (0.4 in) occurring over just 2 days, and humidity rises to 67%. For more details, check out Ulan Bator weather in November.
June and December present starkly contrasting weather conditions. In June, temperatures range from a chilly low of -3°C (28°F) to a warm average of 15°C (59°F), peaking at a scorching 32°C (90°F). The month sees moderate precipitation of 44 mm (1.7 in) spread over 7 days, contributing to the relatively comfortable humidity level of 55%. In stark contrast, December plunges into severe cold, with temperatures dipping to an extreme low of -39°C (-38°F) and an average of -21°C (-5°F), only reaching a maximum of -3°C (28°F). Precipitation is minimal at just 3 mm (0.1 in) with no rainy days, and humidity levels soar to a high of 89%. For a more detailed look at December weather, visit Ulan Bator weather in December.
June in Ulan Bator ushers in a refreshing shift from the chill of earlier months, as temperatures rise significantly, offering a pleasant average that entices both locals and visitors. With maximum highs reaching a warm 32°C (90°F), the capital transforms into a vibrant hub, perfect for outdoor activities. However, evenings can still bring a crisp air, reminding us of Mongolia's unique climate. While rainfall is relatively moderate and distributed over just a handful of days, the humidity is comfortably balanced at 55%, ensuring a delightful environment. For a deeper understanding of what to expect throughout the year, visit Ulan Bator Climate.