June Weather in Hanko, Finland

Last updated: August 21, 2025

June in Hanko, Finland offers a delightful mix of mild temperatures and refreshing coastal breezes. The maximum temperature reaches a pleasant 22°C (73°F), while the average settles at a comfortable 14°C (57°F), providing ideal conditions for outdoor exploration. However, with minimums dipping to 6°C (44°F), it's wise to bring a light jacket for cooler evenings. During this month, the region receives 37 mm (1.5 in) of rain over approximately 6 days, contributing to an overall humidity level of around 80%, which adds a refreshing maritime touch to the atmosphere. Whether enjoying local festivals or taking in the stunning seascapes, June in Hanko promises an inviting experience for visitors.

June Temperature in Hanko

In Hanko, Finland, June marks a delightful transition into warmer weather, with temperatures significantly rising from the lingering chill of earlier months. Average temperatures glide up to a comfortable 14°C (57°F), while highs can reach up to 22°C (73°F), providing an inviting atmosphere for outdoor activities. This increase is a stark contrast to the chilly winter months, where temperatures often dipped below zero. The shift from May’s already pleasant average of 8°C (46°F) hints at the summer ahead, suggesting that June is not just a month of warmth but also a gateway to the vibrant, sun-soaked days of summer in Hanko. With a minimum temperature of 6°C (44°F), it's an ideal time for locals and visitors alike to enjoy the sunny coastal landscapes, making it one of the most delightful months of the year.

June Weather in Hanko: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Hanko, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hanko, June 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).
JanFebMarAprMayJunJulAugSepOctNovDec333033384657636357494336
Data source: Temperature data for Hanko generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Hanko

June in Hanko, Finland, welcomes the onset of summer with a modest precipitation total of 37 mm (1.5 in), falling over just 6 rainy days. This slight uptick from May’s 36 mm suggests a gradual transition toward the wetter months ahead, setting the stage for the summer season. Interestingly, while rainfall amounts steadily increase in the subsequent months, June's precipitation stands out as balanced, offering enough moisture to nourish the landscape without overshadowing the joy of longer, sunnier days. As the warmest months approach, one can expect the precipitation patterns to shift, with July and August notably bringing more substantial rainfall, yet June maintains a gentle rhythm, bridging the spring and summer climates beautifully.

June Precipitation Trends in Hanko

The chart displays monthly precipitation patterns in Hanko, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Hanko, June typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5649502836375794711238280
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Hanko

In Hanko, Finland, June marks a shift in humidity levels, with an average of 80%. Following the notably dry month of May at 76%, the humidity begins to rise again, aligning more closely with the patterns seen in the summer months of July and August. Interestingly, while June shares the same humidity level as July, it falls short of the more humid conditions experienced earlier in the year, peaking at 92% in January and gradually declining through the early months of spring. This trend highlights a gradual transition from the damp chill of winter to the more moderate summer, with June serving as a bridge as humidity levels stabilize before basking in the warmth of the peak summer season.

June Average Humidity in Hanko

This chart illustrates the average monthly humidity levels in Hanko, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Hanko is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%90%87%76%80%80%83%87%90%91%90%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Hanko

In June, Hanko, Finland experiences a noticeable shift in UV intensity as the UV Index climbs to 7, marking a transition into a high exposure category. This increase provides a stark contrast to the earlier months of the year, where the index hovered at a low to moderate level. With a burn time of just 25 minutes, it's crucial for outdoor enthusiasts to take precautions against potential skin damage. This trend of rising UV levels continues into July, maintaining the same high index before tapering off in August and returning to a moderate exposure category in subsequent months. Staying informed about these changes is essential for enjoying the summer sun safely. For more details, check out the Hanko UV Index.

Maximum UV Index Levels in Hanko for June

The chart shows the monthly maximum UV Index (UVI) for Hanko in June, 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 June, the maximum UV index in Hanko typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Hanko June 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.

June Sunshine in Hanko

As summer unfolds in Hanko, Finland, June shines brightly with an impressive 490 hours of sunlight, marking the peak of the year. This radiant month follows a steady ascent in daylight, growing from 66 hours in January to a remarkable 461 hours in May. The trend reveals a joyful embrace of summer, where each day grows longer, enveloping residents and visitors in warmth and light. Although the sunlight slightly wanes in July, with 487 hours, the lingering glow of June signifies a vibrant transition to the heart of summer. The gradual decline towards autumn is gentle, making June a standout month in Hanko's annual calendar, celebrated for its golden hours that invite outdoor adventures and unforgettable experiences.

Monthly Sunshine Duration in Hanko: June Highlighted

The June sunshine duration represents the total number of hours Hanko experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec66h171h276h377h461h490h487h418h319h215h135h73h
Data source: Hanko June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hanko During June

In June, Hanko, Finland, enjoys a noteworthy increase in sunny weather, with the chance of sun reaching 58%. This marks a significant step up from the earlier months, particularly from the 50% in April and the dip to 34% in May. The trend of rising sunshine continues into July, peaking at 61%, showcasing the vibrant warmth of summer. As the days grow longer and sunnier, June presents an enticing opportunity for outdoor activities, making it one of the brighter months in Hanko's calendar. This upward trajectory in sunny days sets a joyful tone for the summer season ahead.

Percentage of Sunny Days in June in Hanko

The chart illustrates the percentage of sunny days in Hanko throughout the year, with June 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 Hanko experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec5%19%37%50%34%58%61%38%31%22%24%17%
Data source: Hanko June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hanko in June

As the sun rises higher in the sky, June brings the longest daylight duration to Hanko, Finland, with an impressive 18 hours of sunlight, illuminating the landscape and inviting outdoor adventures. This peak in daylight follows a steady increase from just 6 hours in January, where winter nights lingered long, to 14 hours by April as spring takes root. May's generous 17 hours offers a taste of summer's approach, culminating in June's radiant embrace. Following this zenith, daylight begins to gracefully wane in July, settling into a pleasant 17 hours before tapering off toward autumn. This gradual shift not only reflects the changing seasons but also the vibrant life that flourishes under the extended glow of summer days.

Average Daylight Hours in Hanko for June

The chart illustrates the variation in daylight duration in Hanko throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 50m9h 10m11h 51m14h 36m17h 9m18h 38m17h 50m15h 28m12h 47m10h 4m7h 31m6h 3m
Data source: Hanko daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Hanko

In Hanko, Finland, the month of June brings a gentle shift in the winds, with an average speed of 4.8 m/s (11 mph), marking the calmest point of the year. This is a noticeable drop from the breezier months of March and April, where gusts reached 7.8 m/s (18 mph) and 7.2 m/s (16 mph), respectively. As spring transitions into summer, the serene June winds provide a tranquil backdrop, contrasting sharply with the more vigorous gusts that typically sweep through in the fall and winter months, peaking at 9.3 m/s (21 mph) in October. However, as the days lengthen and temperatures rise, the subtle breezes of June invite a sense of peacefulness, paving the way for the cool breezes of July and August, which see a slight increase before the winds pick up again in the autumn.

Average June Wind Speed in Hanko

The chart displays monthly wind speed patterns in Hanko, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.56.57.87.25.94.8 m/s5.87.17.69.38.57.9
Data source: Hanko June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Hanko Compares to Other Months

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

June and January present stark contrasts in weather patterns. In June, temperatures range from a mild 6°C (44°F) to a pleasant maximum of 22°C (73°F), accompanied by an average of 14°C (57°F). The month sees relatively low precipitation at 37 mm (1.5 in) over approximately six days, with humidity around 80%. In contrast, January experiences harsher conditions, with temperatures plunging as low as -13°C (8°F), averaging just 1°C (33°F), and peaking at 8°C (46°F). This winter month has higher precipitation, totaling 56 mm (2.2 in) spread over 14 days, along with increased humidity at 92%. For more details, you can visit Hanko weather in January.

June and February present stark contrasts in weather conditions. In June, temperatures are milder, with a minimum of 6°C (44°F) and an average of 14°C (57°F), reaching a maximum of 22°C (73°F). This month sees relatively low precipitation at 37 mm (1.5 in) over about 6 days, and humidity is a comfortable 80%. In contrast, February is much colder, with temperatures plummeting to a minimum of -13°C (10°F) and averaging -1°C (31°F), while a maximum of only 6°C (43°F) is reached. February also experiences more rain and snow, totaling 49 mm (1.9 in) across approximately 11 days, accompanied by higher humidity at 91%. For more specific details on weather conditions, you can check Hanko weather in February.

When comparing the weather in June and March, the differences are quite stark. June boasts milder temperatures, with a minimum of 6°C (44°F) and an average of 14°C (57°F), reaching a maximum of 22°C (73°F). In contrast, March is significantly colder, with temperatures ranging from a chilling minimum of -10°C (13°F) to a maximum of just 7°C (44°F), resulting in an average of 0°C (33°F). Precipitation is also notably higher in March, with 50 mm (2.0 in) falling over 10 days compared to June’s 37 mm (1.5 in) over just 6 days. Additionally, March experiences higher humidity levels at 90%, while June has a more comfortable humidity of 80%. For more detailed information, you can check out Hanko weather in March.

In comparing the weather between April and June, June offers a significant increase in temperature, with averages reaching around 14°C (57°F) compared to April's chilly average of just 3°C (38°F). The maximum temperatures in June can soar up to 22°C (73°F), while April peaks at only 9°C (49°F). Although both months experience rainfall, June has slightly higher precipitation at 37 mm (1.5 in) over 6 days, whereas April sees a bit less at 28 mm (1.1 in) over 7 days. Additionally, June exhibits lower humidity at 80% compared to April's relatively high humidity level of 87%. For more detailed information on April weather, visit Hanko weather in April.

In comparing the weather between May and June, it is evident that June tends to be warmer and more humid. In June, temperatures range from a minimum of 6°C (44°F) to a maximum of 22°C (73°F), with an average temperature of 14°C (57°F). In contrast, May boasts a lower temperature range, with a minimum of 1°C (35°F) and a maximum of 18°C (64°F), averaging only 8°C (46°F). Precipitation levels are quite similar in both months, with June receiving 37 mm (1.5 in) over 6 days and May slightly less at 36 mm (1.4 in) over 7 days. Furthermore, humidity is higher in June at 80%, compared to May's 76%. For more detailed insights into May's weather, you can visit Hanko weather in May.

In comparing the weather between June and July, it's clear that July tends to be warmer overall. June experiences a minimum temperature of 6°C and an average of 14°C, reaching a maximum of 22°C, while July sees a higher minimum of 12°C and an average of 17°C, peaking at 25°C. However, July also brings increased precipitation, with 57 mm recorded over 8 days, compared to June's 37 mm over just 6 days. Both months maintain a similar level of humidity at 80%. For a closer look at the specific weather patterns, you can check out Hanko weather in July.

In June, the weather features a milder temperature range, with minimums around 6°C (44°F) and maximums reaching up to 22°C (73°F). The average temperature is a comfortable 14°C (57°F), accompanied by relatively low precipitation of 37 mm (1.5 in) over 6 days, and humidity levels hover around 80%.

In contrast, August experiences slightly warmer conditions, with minimum temperatures rising to 11°C (51°F) and maximums remaining similar at 23°C (73°F). The average temperature increases to 17°C (63°F), but the month sees a significant rise in rainfall, totaling 94 mm (3.7 in) spread across 13 days, along with a slight increase in humidity to 83%. For more details on August weather, you can check Hanko weather in August.

June and September in Hanko exhibit distinct weather patterns despite having similar average temperatures. In June, temperatures range from a minimum of 6°C (44°F) to a maximum of 22°C (73°F), while September sees slightly warmer nights with a minimum of 7°C (45°F) and cooler daytime highs averaging around 20°C (68°F). June experiences relatively low precipitation at 37 mm (1.5 in) over about 6 days, whereas September is wetter, with 71 mm (2.8 in) falling over 14 days. Additionally, September's humidity is higher at 87%, compared to June's 80%. For more detailed information, you can check out Hanko weather in September.

June and October present distinctly different weather patterns. In June, temperatures range from a chilly 6°C (44°F) at night to a pleasant average of 14°C (57°F) during the day, peaking at 22°C (73°F). This month sees relatively low precipitation of 37 mm (1.5 in) over approximately 6 days, coupled with a humidity level of 80%.

In contrast, October brings cooler temperatures, with a minimum of 1°C (35°F) and an average of 10°C (49°F), reaching a maximum of 16°C (61°F). Rainfall increases significantly to 123 mm (4.8 in) spread over about 19 days, and humidity also rises to 90%. The shift from June’s mild weather to October's chill and dampness is quite pronounced. For more details on the specifics of October weather, check out Hanko weather in October.

June and November present distinct contrasts in weather. June typically enjoys milder temperatures, with a minimum of 6°C (44°F) and an average of 14°C (57°F), peaking at a comfortable 22°C (73°F). In contrast, November sees much colder conditions, with temperatures dipping as low as -3°C (26°F) and averaging only 6°C (43°F), reaching a maximum of just 13°C (56°F). Additionally, while June experiences relatively low precipitation at 37 mm (1.5 in) over about 6 days, November is considerably wetter, with 82 mm (3.2 in) falling over 17 days, leading to higher humidity levels of 91%. For a detailed look at November weather, explore Hanko weather in November.

June and December present distinctly contrasting weather conditions. June typically enjoys milder temperatures, with a minimum of 6°C (44°F) and an average of 14°C (57°F), peaking at a comfortable 22°C (73°F). The month generally sees about 37 mm (1.5 in) of precipitation over approximately 6 days, accompanied by a relative humidity of 80%. In stark contrast, December brings frigid temperatures, with lows plunging to -9°C (17°F) and an average of only 2°C (36°F), reaching a maximum of 8°C (46°F). Precipitation increases significantly to 80 mm (3.1 in) across about 19 days, with humidity rising to 90%. For a deeper dive into the December weather specifics, you can explore Hanko weather in December.

Compare Hanko's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Hanko

June in Hanko brings a refreshing transition into summer, marked by mild temperatures that encourage outdoor activities and exploration. With an average of 14°C, the days are warmer compared to the chill of spring, and the pleasant warmth invites locals and visitors alike to soak in the beauty of nature. While rainfall is present on about six days, it is relatively light, facilitating more sunlit strolls along the coast. The notable 80% humidity adds a touch of tropical feeling, making the environment feel lush and vibrant. For those looking to plan their visit, June is a wonderful month to experience Hanko’s emerging summer charm. For more detailed insights, check out Hanko Climate.