Last updated: August 21, 2025
Experience the captivating summer weather in Lahti, Finland during July, where temperatures can soar to a maximum of 30°C (87°F), offering a perfect backdrop for outdoor adventures. The average temperature hovers around a comfortable 17°C (64°F), while nighttime cools down to a refreshing minimum of 7°C (45°F). July brings an average of 77 mm (3.0 in) of rainfall over approximately 12 days, creating a lush and vibrant landscape. With humidity levels reaching 80%, the air is rich and invigorating, making Lahti a delightful destination for summer escapades.
In July, Lahti, Finland, enjoys a delightful reprieve from the biting cold of winter, welcoming mild temperatures that create an inviting atmosphere for outdoor activities. With nighttime lows averaging 7°C (45°F) and daytime highs reaching up to 30°C (87°F), this month showcases the warmest weather of the year. The average temperature rests comfortably at 17°C (64°F), marking a significant rise from the chill of the preceding months. This seasonal warmth not only encourages locals and visitors alike to explore the stunning Finnish landscape but also signifies a vibrant transformation as the city basks in the long daylight hours of summer.
In July, Lahti experiences a notable uptick in precipitation, with the average amount reaching 77 mm (3.0 in) over the course of 12 rainy days. This increase follows a gradual rise from 63 mm (2.5 in) in June, highlighting a trend of summer showers that can often lead to lush green landscapes. The July rainfall is slightly less than the anticipated peak in August, where precipitation further swells to 80 mm (3.2 in). This seasonal pattern underscores the region's transition into late summer, as moisture-laden clouds frequently drift over the city, setting the stage for vibrant displays of flora while also hinting at the impending shift toward autumn. Overall, July stands out as a pivotal month in Lahti's precipitation cycle, contributing to the picturesque scenery that characterizes Finnish summers.
In July, Lahti, Finland experiences a notable shift in humidity, with levels averaging around 80%. This is a slight increase from the drier months of June, where humidity dips to 74%, and it marks a contrast to the more humid spring months. As summer advances, the humidity trend generally rises, peaking in the fall as September sees a jump to 90%. Notably, while July captures the essence of summer’s warmth, it remains significantly less humid than the winter months, which consistently hover near the 98% mark in January. This fluctuation highlights Lahti's climate, offering residents and visitors a mix of crisp summer air and the moist chill of winter, creating a unique atmosphere throughout the year.
In July, Lahti, Finland experiences a significant uptick in sun exposure, with a UV Index of 7, classified as high. This marks the peak of the UV Index for the year, indicating a burn time of just 25 minutes for unprotected skin. As summer advances from June's high UV Index of 6, residents and visitors alike should take extra precautions, such as wearing sunscreen and protective clothing. Following July, the UV Index begins to decline, with August seeing a drop to 5, reflecting the gradual transition towards autumn. For further insights on the UV Index and its implications for outdoor activities, visit Lahti UV Index.
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In July, Lahti, Finland, basks in a generous 467 hours of sunlight, making it one of the sunniest months of the year. This vibrant glow follows a steady climb from the 44 hours in January and peaks just shy of June's record 475 hours. As summer reaches its zenith, the days are long and filled with warmth, offering residents and visitors alike a perfect backdrop for outdoor activities and festivities. However, this sun-drenched month transitions into August, where the light begins to wane, dropping to 385 hours. The trend illustrates a beautiful yet fleeting summer, highlighting Finland's remarkable seasonal variations and the cherished moments of sunshine that define its warmest days.
In Lahti, Finland, July stands out as a beacon of brightness amid the year's weather fluctuations, with a 56% chance of sunny days. This month marks a significant increase from the preceding months, particularly from June's 51%, as summer fully takes hold. The trend reveals a gradual ascent in sunny probabilities from the depths of winter, where the chances linger around a mere 3% in January, climbing steadily to 41% in April. July's sunny weather creates a stark contrast to the more dreary months that follow, especially August, where the likelihood of sunshine drops dramatically to 25%. For those seeking the warm embrace of summer sun, July in Lahti is undoubtedly the month to relish.
In July, Lahti, Finland basks in a generous 18 hours of daylight, making it one of the sunniest months of the year. This sun-soaked period follows a dramatic increase from just 6 hours in January to an impressive 19 hours in June, showcasing the significant seasonal shift as summer peaks. While daylight begins to wane slightly in August, dropping to 15 hours, July stands out as a vibrant reminder of the long, bright days that characterize the Finnish summer. As the year progresses, the gradual decline in daylight can be seen, with hours steadily receding towards the more muted winter months, where January sees a mere 6 hours of light. This ebb and flow of daylight not only influences the natural landscape but also enriches the cultural and social life of Lahti, encouraging outdoor activities during the warmest months.
In July, Lahti, Finland experiences a gentle breeze, with an average wind speed of 2.8 m/s (6 mph). This marks a slight increase from the quieter winds of June, which recorded the lowest average of the year at 2.7 m/s. Interestingly, July's mild winds contrast with the more robust gusts that begin to pick up in August at 3.6 m/s. This summer lull can create a tranquil atmosphere, perfect for outdoor activities, yet hints at the transition to the invigorating breezes that accompany the approach of autumn. As the summer progresses, residents and visitors alike can enjoy the calm before the winds of fall begin to sweep through the region.
Weather in Lahti varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Lahti, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in July and January, the differences are striking. July sees mild to warm temperatures with averages around 17°C (64°F) and a maximum of 30°C (87°F), providing a pleasant summer vibe accompanied by 77 mm (3.0 in) of precipitation over 12 days and a humidity level of 80%. In stark contrast, January brings frigid temperatures, with averages plunging to -4°C (25°F) and a minimum dipping to -25°C (-13°F). Although January receives less precipitation at 49 mm (1.9 in) over 11 days, the humidity is remarkably high at 98%, creating a damp, cold atmosphere. For a detailed look at the January climate, you can refer to Lahti weather in January.
When comparing the weather of July and February, it's clear that the two months present stark contrasts. July boasts much warmer temperatures, with a minimum of 7°C (45°F) and a maximum of 30°C (87°F), while February's temperatures plunge to a chilly minimum of -28°C (-17°F) and a maximum of just 7°C (46°F). Additionally, July experiences higher average temperatures at 17°C (64°F) and increased humidity at 80%, while February has a more frigid average of -5°C (24°F) and significantly higher humidity at 96%. In terms of precipitation, July has 77 mm (3.0 in) over 12 days, compared to February's 45 mm (1.8 in) over 11 days, indicating a wetter summer month. For more detailed insights into February weather, you can check this link: Lahti weather in February.
The weather in July and March presents a stark contrast, highlighting the seasonal changes. In July, temperatures range from a mild 7°C (45°F) at night to a warm average of 17°C (64°F), peaking at 30°C (87°F), accompanied by relatively high humidity at 80%. In contrast, March sees much colder conditions, with temperatures dipping as low as -25°C (-13°F) and only reaching an average of -2°C (29°F), while the maximum is a modest 11°C (52°F). Precipitation is slightly higher in July at 77 mm (3.0 in) over 12 days compared to March's 45 mm (1.8 in) over 11 days, although March's humidity is slightly higher at 93%. For more detailed insights, check Lahti weather in March.
When comparing the weather in July and April, distinct differences emerge. July enjoys much warmer temperatures, with average highs reaching a comfortable 30°C (87°F) compared to April's maximum of only 20°C (69°F). The average temperature in July is significantly higher at 17°C (64°F), while April struggles to reach an average of 3°C (38°F). Additionally, July experiences more precipitation, totaling 77 mm (3.0 in) over 12 days, while April has 48 mm (1.9 in) of precipitation over 11 days. Although July has a slightly lower humidity level at 80% than April's 87%, both months have notable moisture in the air. For a closer look at April weather specifics, check out Lahti weather in April.
The weather in July is notably warmer than in May, with average temperatures rising from 10°C (50°F) in May to 17°C (64°F) in July. July experiences maximum temperatures reaching up to 30°C (87°F), compared to a peak of 28°C (83°F) in May. Additionally, July sees more precipitation, with a total of 77 mm (3.0 in) over 12 days, while May has 54 mm (2.1 in) over 10 days. Humidity is also slightly higher in July at 80%, compared to 75% in May. To learn more about the typical conditions in May, you can visit Lahti weather in May.
In comparing the weather between July and June, July tends to be warmer overall, with average temperatures peaking at 17°C (64°F), compared to June's average of 16°C (61°F). However, both months share similar maximum temperatures, reaching up to 31°C (87°F). July experiences slightly higher precipitation, with 77 mm (3.0 in) over 12 days, while June sees 63 mm (2.5 in) over 11 days. Additionally, humidity levels are higher in July at 80%, compared to June’s 74%. For more specific details, you can refer to Lahti weather in June.
In comparing the weather between July and August, both months experience relatively mild temperatures, with July having a slightly higher average temperature of 17°C (64°F) compared to August's 16°C (61°F). While July sees a maximum temperature that peaks at 30°C (87°F), August can reach a maximum of 31°C (87°F), showing a remarkable similarity. Precipitation is consistent in both months, with July recording 77 mm over 12 days and August slightly increasing to 80 mm over 13 days. Humidity also rises from 80% in July to 85% in August, suggesting a more humid atmosphere as summer progresses. For a more detailed look at August weather, check out Lahti weather in August.
In July, the weather features a broad temperature range with minimums around 7°C (45°F) and highs reaching up to 30°C (87°F), resulting in a warm average of 17°C (64°F). The month is characterized by relatively high humidity levels at 80%, along with 77 mm (3.0 in) of precipitation spread over 12 days. In contrast, September presents cooler conditions, with temperatures dropping to a minimum of -1°C (30°F) and an average of 11°C (52°F), peaking at 23°C (73°F). Though rainfall is slightly less at 62 mm (2.5 in) over 11 days, the humidity rises to 90%, giving the month a distinctly crisp feel. For more detailed insights, you can visit Lahti weather in September.
In July, the weather is generally warm, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 30°C (87°F) and an average of 17°C (64°F). The month sees about 77 mm (3.0 in) of precipitation over approximately 12 days, coupled with a humidity level of 80%. In contrast, October brings a cooler climate, with temperatures dipping to a minimum of -5°C (23°F) and peaking at 18°C (64°F), resulting in an average temperature of only 6°C (43°F). With similar precipitation levels at 78 mm (3.1 in), rainfall is more frequent, occurring over 15 days, and humidity climbs to a notable 94%. For a more detailed look at October weather in Lahti, check out Lahti weather in October.
The weather in July and November showcases a stark contrast in temperatures and conditions. July boasts milder temperatures with a minimum of 7°C (45°F) and an average of 17°C (64°F), reaching highs of 30°C (87°F). In contrast, November experiences significantly colder temperatures, with lows dropping to -10°C (14°F) and an average of only 2°C (36°F). While July sees substantial precipitation of 77 mm (3.0 in) over 12 days at a humidity level of 80%, November is slightly drier with 54 mm (2.1 in) of rainfall over 11 days, but a higher humidity level of 94%. For more detailed insights into November weather specifics, you can refer to Lahti weather in November.
In July, the weather is notably warmer, with temperatures ranging from a mild 7°C (45°F) at night to a maximum of 30°C (87°F) during the day, accompanied by an average temperature of 17°C (64°F). The month sees moderate rainfall, accumulating 77 mm (3.0 in) over 12 days and maintaining a humidity level of 80%. In contrast, December presents a stark change, where temperatures drop significantly, with a minimum of -20°C (-4°F) and a maximum of only 5°C (42°F), averaging -2°C (28°F). Precipitation in December is slightly lower at 71 mm (2.8 in), but it occurs more frequently over 16 days, with humidity peaking at 96%. For a more detailed perspective on the winter weather, visit Lahti weather in December.
As July arrives in Lahti, it transforms the landscape into a vibrant summer paradise. With warmer temperatures that often reach their peak, this month stands out from the cooler months, inviting both locals and visitors to revel in outdoor activities. While the average temperature hovers around a pleasant 17°C (64°F), peaks may soar to 30°C (87°F), offering a taste of summer warmth. However, the season is not without its occasional rain, as evidenced by an average precipitation of 77 mm over 12 days, contributing to a somewhat humid atmosphere at 80%. This unique mix of warmth and moisture sets July apart, making it the perfect time to explore the lush greenery and enjoy Lahti's stunning natural beauty. For a detailed look at how this summer month compares to others, visit Lahti Climate.