July Weather in Helsinki, Finland

Last updated: August 21, 2025

Experience July in Helsinki, where the weather paints a vibrant canvas of contrasts. With maximum temperatures soaring up to 32°C (90°F), visitors can revel in warm summer days, while an average temperature of 18°C (65°F) provides a pleasant respite. Nights can be cooler, dipping to a minimum of 8°C (46°F), making light jackets a wise choice for evening strolls. The month brings a total of 91 mm (3.6 in) of rainfall over 13 days, adding a refreshing touch to the city’s lush landscapes. With humidity levels at a cozy 80%, July showcases Helsinki as a perfect blend of summer warmth and refreshing breezes, inviting exploration and adventure in the vibrant Finnish capital.

July Temperature in Helsinki

In Helsinki during July, the city experiences a delightful summer with temperatures that bring warmth and vibrancy. The minimum temperature hovers around 8°C (46°F), while the average climbs to a comfortable 18°C (65°F). On particularly warm days, the maximum can reach up to 32°C (90°F), offering perfect conditions for outdoor activities and exploration. This sharp contrast to the frigid depths of winter highlights July as a time of refreshing change, making it ideal for enjoying Helsinki's beautiful parks, bustling streets, and stunning coastal views. As the month unfolds, you'll find both locals and visitors reveling in the extensive daylight, creating a lively atmosphere that truly celebrates the beauty of summer in this Nordic gem.

July Weather in Helsinki: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Helsinki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Helsinki, July typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec272630395061646254453830
Data source: Temperature data for Helsinki generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Helsinki

In July, Helsinki experiences a notable spike in precipitation, with an impressive 91 mm (3.6 in) falling over the month, making it the wettest period of the year. This increase is accompanied by an uptick in rainy days, averaging 13 days, as summer storms roll through the city. The trend of rising precipitation is apparent when compared to the preceding months, peaking sharply from 61 mm in June to July's 91 mm, reflecting the city's transition to its rainiest season. This surge in rainfall and the associated frequency of wet days establish July as a crucial month for maintaining the lush greenery that characterizes Helsinki during the summer months.

July Precipitation Trends in Helsinki

The chart displays monthly precipitation patterns in Helsinki, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Helsinki, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec554852485661918376896273
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Helsinki

In July, Helsinki experiences a moderate humidity level of 80%, marking a shift from the lower levels seen in the preceding months of June and May, both at 75%. This uptick signals the onset of summer's warmth, as humidity typically begins to rise during this period. Following the cooler months of winter and early spring, where humidity remains high, ranging from 93% to 97%, July provides a welcomed, yet humid respite. As summer progresses into August with humidity climbing further to 83%, it becomes evident that Helsinki's weather trends oscillate between crisp winters and mild, moisture-laden summers, providing a unique atmospheric rhythm throughout the year.

July Average Humidity in Helsinki

This chart illustrates the average monthly humidity levels in Helsinki, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Helsinki is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%93%87%75%75%80%83%90%93%94%95%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Helsinki

In July, Helsinki experiences a high UV Index of 7, similar to June, indicating that sun protection is essential during this peak summer month. With a burn time of just 25 minutes, it's crucial to take precautions if you'll be outdoors for any extended period. This trend highlights the transition from the moderate indexes of early spring, where burn times were longer, to the more intense summer months. As the sun's rays grow stronger, understanding these UV index fluctuations is key to enjoying the beautiful Finnish summer safely. For more details, check out the Helsinki UV Index.

Maximum UV Index Levels in Helsinki for July

The chart shows the monthly maximum UV Index (UVI) for Helsinki in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Helsinki typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Helsinki July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

July Sunshine in Helsinki

In Helsinki, July shines brightly as a peak summer month, offering a generous 485 hours of sunshine. This is slightly less than the previous month, June, which basks in 493 hours of sunlight, yet it remains significantly higher than the 154 hours enjoyed in February. The sun-soaked days of summer create a stark contrast to the long, dark winters, where January barely sees 55 hours. As the year progresses, the steady increase in daylight from the depths of winter culminates in a vibrant July, providing residents and visitors alike with opportunities for outdoor exploration and enjoyment before the sunlight gradually wanes into the autumn months.

Monthly Sunshine Duration in Helsinki: July Highlighted

The July sunshine duration represents the total number of hours Helsinki experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec55h154h261h362h451h493h485h406h290h190h113h58h
Data source: Helsinki July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Helsinki During July

In July, Helsinki enjoys a notable 56% chance of sunny weather, making it one of the brightest months of the year. This monthly peak follows a steady climb from just 5% in January to 53% in June, reflecting the city's transition into the warmth of summer. The increasing likelihood of sunny days in July contrasts sharply with the dreary skies of winter and early spring, where chances were below 50% until April. Following July, the probability of sunshine begins to decline, with August seeing a drop to 29%, signaling the gradual shift towards autumn. Overall, July stands out as a time of vibrant sunlight, offering residents and visitors alike an inviting backdrop to enjoy all that this beautiful city has to offer.

Percentage of Sunny Days in July in Helsinki

The chart illustrates the percentage of sunny days in Helsinki throughout the year, with July highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Helsinki experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec5%15%38%44%31%53%56%29%28%19%19%14%
Data source: Helsinki July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Helsinki in July

In Helsinki, Finland, the month of July offers a delightful respite from the shorter days of winter, boasting a generous 17 hours of daylight. Following the peak of 18 hours in June, daylight begins to gently wane as summer reaches its zenith. This trend reflects a broader seasonal pattern where daylight gradually increases from a mere 6 hours in January to its summer climax, before tapering off into the autumn months. With 12 hours in September and descending further to 10 hours in October, the rhythm of daylight serves as a vibrant reminder of the changing seasons in this northern city, encapsulating the long, sunlit days cherished by both locals and visitors alike.

Average Daylight Hours in Helsinki for July

The chart illustrates the variation in daylight duration in Helsinki throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 45m9h 7m11h 51m14h 38m17h 14m18h 45m17h 56m15h 31m12h 48m10h 2m7h 27m5h 56m
Data source: Helsinki daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Helsinki

In July, Helsinki experiences a gentle breeze with an average wind speed of 3.5 m/s (8 mph), making it one of the calmer months of the year. This slight dip in wind intensity follows a trend of decreasing winds from the lively gales of spring, peaking at 4.5 m/s in March, to the mild conditions of summer. Although July doesn't offer the most robust winds, it sets the stage for a refreshing atmosphere, especially as visitors flock to the city's scenic waterfronts and parks. As summer transitions to autumn, Helsinki’s winds begin to pick up again, foreshadowing the crisp breezes that characterize the later months.

Average July Wind Speed in Helsinki

The chart displays monthly wind speed patterns in Helsinki, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.54.54.13.73.03.5 m/s4.44.15.24.44.2
Data source: Helsinki July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Helsinki Compares to Other Months

Weather in Helsinki varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Helsinki, focusing on differences in temperature, rainfall, humidity, and UV levels.

The weather in July and January presents a stark contrast in terms of temperature and overall climate. July enjoys a mild average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F), while January is frigid, averaging -3°C (28°F) and plunging to a chilling minimum of -23°C (-9°F). Precipitation is more frequent in July, occurring on 13 days with a total of 91 mm (3.6 in), compared to January's 55 mm (2.2 in) over 11 days. Humidity levels also vary significantly; July's humidity sits at 80%, whereas January is marked by a much higher 97%. This stark difference highlights the extremes of seasonal weather, making each month unique in its own right. For more details, check Helsinki weather in January.

July and February in Helsinki present starkly contrasting weather conditions. July boasts a wide temperature range with nighttime lows of 8°C (46°F) and daytime highs reaching up to 32°C (90°F). Average humidity sits at 80%, accompanied by 91 mm (3.6 in) of precipitation over 13 days, making it a warm and relatively wet month. In contrast, February is characterized by its frigid temperatures, with lows plummeting to -23°C (-8°F) and highs only reaching 6°C (43°F). Despite having lower overall precipitation at 48 mm (1.9 in) over 10 days, February's humidity is slightly higher at 95%. For more detailed insights into February weather in Helsinki, you can visit Helsinki weather in February.

The comparison between July and March weather highlights a stark contrast in temperature and conditions. 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 18°C (65°F). In contrast, March experiences much colder temperatures, with lows plummeting to -22°C (-7°F) and a maximum of just 10°C (51°F), averaging -1°C (31°F). While July sees a higher precipitation level of 91 mm (3.6 in) over 13 days, March has a lower total of 52 mm (2.0 in) across 12 days, though the humidity is slightly higher at 93% compared to July's 80%. For more details on March weather, you can visit Helsinki weather in March.

July and April present distinctly different weather patterns, showcasing the transition from early spring to midsummer. In July, temperatures range from a minimum of 8°C (46°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F). In contrast, April's temperatures are much cooler, starting at a minimum of -12°C (10°F) and reaching a maximum of 19°C (67°F), with an average of only 4°C (39°F). Additionally, July experiences more precipitation, totaling 91 mm (3.6 in) over approximately 13 days, compared to April's 48 mm (1.9 in) over 9 days. Humidity levels are slightly lower in July at 80%, while April has a higher humidity of 86%. For a more detailed look at April weather, you can visit Helsinki weather in April.

July weather presents a stark contrast to that of May, characterized by significantly warmer temperatures and higher humidity levels. While May sees minimum temperatures drop to -3°C (27°F) and an average of 10°C (50°F), July boasts a minimum of 8°C (46°F) with an impressive average of 18°C (65°F) and a maximum that reaches up to 32°C (90°F). Precipitation in July is also more pronounced, amounting to 91 mm (3.6 in) over 13 days compared to May's 56 mm (2.2 in) over just 10 days. Furthermore, July's humidity at 80% adds to the summer's lush feel, while May offers a milder humidity level of 75%. For more information on how the weather in May shapes the experience in Helsinki, check out Helsinki weather in May.

In comparing the weather between June and July, July tends to be warmer, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 32°C (90°F) and an average of 18°C (65°F). In contrast, June has a slightly cooler climate, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 30°C (86°F), averaging at 16°C (62°F). Additionally, July experiences more precipitation, with 91 mm (3.6 in) over 13 days, compared to June's 61 mm (2.4 in) over 10 days. Humidity levels are also higher in July at 80%, compared to June's 75%. For more detailed information, you can check Helsinki weather in June.

In July, temperatures in Helsinki range from a minimum of 8°C (46°F) to a maximum of 32°C (90°F), with an average temperature of 18°C (65°F). The month experiences around 91 mm (3.6 in) of precipitation over 13 days, accompanied by a humidity level of 80%. Conversely, August sees slightly cooler conditions, with temperatures dipping to a minimum of 7°C (45°F) and a maximum of 29°C (84°F), resulting in an average of 17°C (62°F). Precipitation is also a little lower at 83 mm (3.3 in), with the same number of rainy days. The humidity rises to 83% in August. For more detailed insights, check out Helsinki weather in August.

In July, the weather is typically warmer, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 32°C (90°F) and an average of 18°C (65°F). The month experiences significant humidity at around 80% and sees about 91 mm (3.6 inches) of precipitation over 13 days. In contrast, September brings cooler conditions, with temperatures dropping to a minimum of -1°C (31°F) and an average of 12°C (54°F), peaking at 23°C (73°F). While the precipitation decreases slightly to 76 mm (3.0 inches), humidity rises to 90%, making for a crisp feel. For more details on what to expect during this time, check out Helsinki weather in September.

July and October present contrasting weather patterns in terms of temperature and humidity. In July, temperatures range from a minimum of 8°C (46°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F), creating a warm and often humid atmosphere with a humidity level of 80%. Precipitation is moderate, occurring on about 13 days throughout the month, totaling 91 mm (3.6 in).

In stark contrast, October is significantly cooler, with temperatures dipping to a minimum of -4°C (25°F) and reaching a maximum of 16°C (62°F), averaging just 7°C (45°F). This month experiences slightly less precipitation, totaling 89 mm (3.5 in), but with more rainy days—17 in total—alongside increased humidity at 93%. For more detailed information, you can explore Helsinki weather in October.

July and November present stark contrasts in weather. 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 18°C (65°F). The month sees significant precipitation of 91 mm (3.6 in) over 13 days, coupled with a humidity level of 80%. In contrast, November experiences much colder temperatures, with daytime highs peaking at only 12°C (54°F) and nighttime lows dipping down to -7°C (19°F), resulting in an average of just 3°C (38°F). Although November receives less rainfall at 62 mm (2.5 in) over the same number of days, the humidity rises slightly to 94%. To learn more about the conditions in November, visit Helsinki weather in November.

In July, the weather is generally warm in Helsinki, with average temperatures around 18°C (65°F), reaching highs of 32°C (90°F) on the hottest days. Despite the warmth, it experiences moderate precipitation of 91 mm (3.6 in) over approximately 13 days, paired with a humidity level of 80%. In stark contrast, December brings cold temperatures, with an average of -1°C (31°F) and lows plummeting to -18°C (0°F). This month sees a slightly lower total precipitation of 73 mm (2.9 in) spread over 15 days, but the humidity is notably high at 95%. For a deeper look at what to expect in December, visit Helsinki weather in December.

Compare Helsinki's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Helsinki

In July, Helsinki experiences a vibrant shift in weather compared to the rest of the year, showcasing its warmest days and highest temperatures. With an average temperature that rises significantly, typically reaching up to 32°C (90°F), the city transforms into a lively summer destination. However, it's not just about warmth; visitors can expect an average humidity of 80%, which can add a touch of stickiness to those sunny afternoons. Despite this, July also brings about some wet days, with nearly 13 days of precipitation throughout the month. All in all, July presents a delightful blend of warmth and occasional rain, making it a unique time to explore the beauty of Helsinki. For more detailed insights into how the weather varies throughout the year, check out Helsinki Climate.