June Weather in Jastarnia, Poland

Last updated: August 27, 2025

In June, Jastarnia, Poland greets visitors with a delightful blend of warm temperatures and refreshing summer breezes. The maximum temperature can reach a pleasant 26°C (79°F), while the average hovers around a comfortable 17°C (62°F). Nighttime sees cooler lows of 9°C (48°F), perfect for cozy evenings. Although the month delivers approximately 51 mm (2.0 in) of rainfall spread across 7 days, the humidity levels sit at a moderate 76%, ensuring a lush and vibrant coastal landscape. Ideal for outdoor activities, June in Jastarnia is a wonderful time to soak in the allure of this charming Polish seaside town.

June Temperature in Jastarnia

As June arrives in Jastarnia, Poland, temperatures take a delightful turn, ushering in the warmth of summer. The month starts with a minimum temperature of 9°C (48°F), rising to an average of 17°C (62°F), and a pleasant maximum of 26°C (79°F). This marked increase from the preceding months signals a seasonal shift, inviting locals and visitors alike to bask in longer, sunnier days and partake in outdoor activities. Compared to the chilly spring temperatures, June offers a refreshing escape, making it an ideal time to enjoy the picturesque beaches and vibrant local culture. The trend towards increasingly warmer weather continues into July and August, inviting a lively summer atmosphere.

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

The chart illustrates June temperature patterns in Jastarnia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jastarnia, 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).
JanFebMarAprMayJunJulAugSepOctNovDec363638435162656661544639
Data source: Temperature data for Jastarnia 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 Jastarnia

In June 2023, Jastarnia, Poland experienced 51 mm (2.0 in) of precipitation, marking a consistent trend with the previous month of May. Rain fell across 7 days, contributing to the total rainfall that remains characteristic of the spring season. This moderate rainfall keeps the area lush and thriving, especially as the warm summer months approach. As we transition into July, the weather is anticipated to shift towards increased precipitation, with 81 mm (3.2 in) expected, suggesting that the summer might bring more frequent and heavier rain showers. Overall, June showcases a balanced climate, maintaining a steady pace of rainfall that supports both nature and local activities.

June Precipitation Trends in Jastarnia

The chart displays monthly precipitation patterns in Jastarnia, 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 Jastarnia, June typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6551513050518160891147781
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Jastarnia

In June, Jastarnia experiences a notable shift in humidity, maintaining a comfortable 76%—a level that continues throughout the summer months. This moderate humidity, consistent with May and July, suggests a transition from the damp chill of winter and early spring, where levels hovered around 89%-88%. As the warmth of summer sets in, the air becomes more breathable, allowing for enjoyable outdoor activities along the beautiful coastline. However, as autumn approaches, humidity levels begin to rise again, indicating a return to the wetter conditions typical of Jastarnia's climate. Overall, June represents a peak of summer comfort, perfectly balancing warmth and humidity.

June Average Humidity in Jastarnia

This chart illustrates the average monthly humidity levels in Jastarnia, 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 Jastarnia is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%88%84%77%76%76%76%81%86%89%89%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Jastarnia

As summer unfolds in Jastarnia, Poland, the UV Index reaches a notable peak in June, rising to 7 with a high exposure category that indicates a burn time of just 25 minutes. This trend of elevated UV levels not only emphasizes the importance of sun protection during the summer months but also mirrors the gradual increase seen from the more moderate levels in previous months. Compared to March and April's moderate indices of 4 and 5, respectively, June's UV Index signals a shift that outdoor enthusiasts should take seriously. As you bask in the sun's warmth this month, remember to safeguard your skin and stay informed by checking the Jastarnia UV Index for up-to-date information.

Maximum UV Index Levels in Jastarnia for June

The chart shows the monthly maximum UV Index (UVI) for Jastarnia 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 Jastarnia typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567765311
Data source: Jastarnia 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 Jastarnia

In June, Jastarnia basks in a radiant glow, boasting 457 hours of sunshine, the highest of the year. This striking peak reflects a gradual ascent from the 99 hours in January, climbing steadily through the spring months. As the days lengthen and temperatures rise, May paves the way with 433 hours, leading seamlessly into June's brilliance. The sun-soaked atmosphere in June creates an inviting backdrop for summer adventures, while July and August retain a strong luminosity, though slightly less intense. As autumn approaches, the sunshine hours begin to taper off, illustrating a natural ebb and flow that captivates both locals and visitors alike throughout the seasons.

Monthly Sunshine Duration in Jastarnia: June Highlighted

The June sunshine duration represents the total number of hours Jastarnia 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h192h266h362h433h457h444h400h316h242h155h126h
Data source: Jastarnia June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jastarnia During June

As summer approaches, the likelihood of sunny weather in Jastarnia, Poland, experiences a notable surge, with June boasting a whopping 66% chance of sunshine. This marks a significant increase compared to the previous months, soaring from April's 45% and May's 42%. Following June, July presents a slight dip in sunny days at 47%, but still remains higher than the spring months. This upward trend leading into summer highlights Jastarnia's transition from the grey and cloudy days of winter and early spring to the bright sunshine that characterizes the peak season. With such promising forecasts, June is an excellent time to enjoy the outdoors and bask in the warmth of the sun.

Percentage of Sunny Days in June in Jastarnia

The chart illustrates the percentage of sunny days in Jastarnia 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 Jastarnia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%32%38%45%42%66%47%33%39%38%19%20%
Data source: Jastarnia June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jastarnia in June

In Jastarnia, Poland, the length of daylight transforms dramatically as the year progresses, showcasing a vibrant evolution from winter to summer. January greets the year with just 7 hours of sunlight, gradually increasing to 9 hours by February and reaching 11 hours in March. As spring arrives, daylight expands swiftly, culminating in a lush 14 hours by April and peaking at an impressive 17 hours in June. This peak relics the height of summer, where the long, golden days invite exploration and outdoor adventures. After June, the daylight begins to recede, with July still basking in 16 hours but transitioning to 14 hours in August and gradually tapering off to 12 hours in September. The descent continues with each month, signaling the arrival of autumn as daylight dwindles back down to 7 hours by December. This rhythmic dance between light and shadow illustrates Jastarnia's seasonal charm, inviting visitors to relish the richness of summer while anticipating the serene beauty of winter ahead.

Average Daylight Hours in Jastarnia for June

The chart illustrates the variation in daylight duration in Jastarnia throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 54m9h 42m11h 53m14h 8m16h 7m17h 11m16h 37m14h 49m12h 39m10h 26m8h 25m7h 19m
Data source: Jastarnia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Jastarnia

In June, Jastarnia experiences a gentle lull in its typical wind patterns, with an average wind speed of 4.8 m/s (11 mph), marking the calmest month of the year. This noticeable decline follows a trend of diminishing winds from May, which sees an average speed of 5.6 m/s (12 mph). After the breezier spring months, where April boasts winds at 6.1 m/s (14 mph) and March at 6.6 m/s (15 mph), June’s softer breezes create a perfect backdrop for leisurely beach days and outdoor activities. Interestingly, the winds pick up again in July to 5.0 m/s, but it’s during this summer month that Jastarnia’s serene atmosphere truly captivates visitors. As the year progresses towards autumn, an upward trend resumes, with wind speeds climbing back to 7.3 m/s by October, revealing the region's dynamic relationship with the shifting seasons.

Average June Wind Speed in Jastarnia

The chart displays monthly wind speed patterns in Jastarnia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.87.26.66.15.64.8 m/s5.06.06.17.37.47.9
Data source: Jastarnia June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Jastarnia Compares to Other Months

Weather in Jastarnia varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Jastarnia, 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 9°C (48°F) to a warm 26°C (79°F), with an average of 17°C (62°F), making it a pleasant month for outdoor activities. However, it does come with 51 mm (2.0 in) of precipitation over about 7 days and a humidity level of 76%. In contrast, January experiences much colder conditions, with temperatures dipping as low as -7°C (19°F) and averaging just 2°C (37°F). The maximum temperature reaches only 10°C (50°F), accompanied by higher precipitation levels of 64 mm (2.5 in) spread over 14 days and increased humidity at 89%. For more detailed information, you can check Jastarnia weather in January.

June and February present contrasting weather experiences. In June, temperatures range from a mild 9°C (48°F) to a pleasant high of 26°C (79°F), with an average of 17°C (62°F). The month sees relatively lower precipitation, totaling 51 mm (2.0 in) over 7 days, and humidity sits at a comfortable 76%. In stark contrast, February is much colder, with temperatures dipping as low as -8°C (18°F) and only reaching a maximum of 13°C (55°F), averaging just 2°C (36°F). Although February also receives 51 mm (2.0 in) of precipitation, it is spread over more days, totaling 13, and the humidity is higher at 89%. For more details on February weather, you can check Jastarnia weather in February.

In comparing the weather of June and March, there is a striking contrast in temperatures and conditions. June typically enjoys milder temperatures, with an average of 17°C (62°F), peaking at a comfortable 26°C (79°F), while March struggles with colder averages around 3°C (38°F), with highs only reaching 10°C (51°F). Although both months receive similar precipitation levels of 51 mm (2.0 in), March experiences more rainy days (13) compared to June’s 7, which contributes to its higher humidity at 88% versus June's 76%. For more details on March weather, you can check out Jastarnia weather in March.

When comparing the weather in June and April, we see a significant shift in temperatures and conditions. June boasts a much warmer climate, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (79°F), compared to April's cooler averages, which range from 0°C (33°F) to 16°C (60°F). Additionally, June experiences slightly more precipitation at 51 mm (2.0 in) over 7 days, while April receives 30 mm (1.2 in) with the same number of rainy days. Humidity levels are also noteworthy, as June has a humidity of 76%, somewhat lower than April's humidity of 84%, suggesting that June may feel more comfortable despite the increased warmth. For those interested in more detailed insights into April's climate, you can check Jastarnia weather in April.

When comparing the weather in June to that of May, June exhibits a noticeable warming trend with minimum temperatures rising from 2°C (37°F) in May to 9°C (48°F) in June. The average temperature also increases significantly, reaching 17°C (62°F) in June compared to May's 10°C (51°F). Although both months experience similar levels of precipitation, with June receiving 51 mm (2.0 in) and May slightly lower at 50 mm (2.0 in), June sees rain on seven days, which is slightly better than May's nine rainy days. Humidity remains constant at 76% for both months. Overall, June offers a milder and more pleasant climate conducive for outdoor activities. For more details on May weather, you can visit Jastarnia weather in May.

In June, temperatures range from a cool 9°C (48°F) at night to a comfortable 26°C (79°F) during the day, with an average temperature of 17°C (62°F). The month experiences 51 mm (2.0 in) of precipitation over approximately 7 days, while humidity remains relatively high at 76%.

In contrast, July sees slightly warmer nights with minimum temperatures of 13°C (56°F) and a similar maximum of 26°C (79°F), resulting in an average temperature of 18°C (65°F). However, July is wetter, with 81 mm (3.2 in) of precipitation across about 12 days, maintaining the same humidity level of 76%. For more details about weather conditions, check out Jastarnia weather in July.

June and August both exhibit mild temperatures, with August being slightly warmer on average. June records a minimum temperature of 9°C (48°F) and reaches a maximum of 26°C (79°F), while August starts at a higher minimum of 14°C (58°F) and peaks at 27°C (81°F). Precipitation is slightly more frequent in August, with 60 mm (2.4 in) of rain over 11 days compared to June's 51 mm (2.0 in) over 7 days. Despite these variations, both months maintain a consistent humidity level of 76%. For more details on August weather, you can check Jastarnia weather in August.

June and September both offer mild temperatures, but they differ in several key aspects. In June, temperatures range from a minimum of 9°C (48°F) to a comfortable maximum of 26°C (79°F), with an average of 17°C (62°F). The month experiences around 51 mm (2.0 in) of precipitation over approximately 7 days and has a humidity level of 76%.

In contrast, September has slightly higher minimum temperatures, starting at 11°C (51°F), while the maximum also reaches 26°C (78°F), with an average of 16°C (61°F). However, it is wetter, with 89 mm (3.5 in) of rain spread over 15 days and humidity rising to 81%. Overall, September feels cooler and more humid, with increased rainfall compared to June. For more detailed weather information, you can visit Jastarnia weather in September.

In June, the weather tends to be warmer with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (79°F), providing an average of 17°C (62°F). The month sees relatively moderate precipitation of 51 mm (2.0 in) over about 7 days, accompanied by a humidity level of 76%. In contrast, October experiences cooler temperatures, with a minimum of 6°C (42°F) and a maximum of 19°C (66°F), averaging 12°C (54°F). The month is notably wetter, with 114 mm (4.5 in) of rainfall spread over 18 days, and higher humidity at 86%. For more details on October weather, visit Jastarnia weather in October.

June and November present quite a contrast in weather patterns. In June, temperatures range from a comfortable 9°C (48°F) at night to a warm 26°C (79°F) during the day, with an average of 17°C (62°F). The month experiences moderate precipitation of 51 mm (2.0 in) spread across about 7 days, and humidity levels are relatively high at 76%. In stark contrast, November sees much cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 15°C (59°F), averaging only 8°C (46°F). Precipitation is more frequent in November, totaling 77 mm (3.0 in) over approximately 17 days, and humidity levels increase to 89%. For a deeper dive into the weather specifics, you can explore more about Jastarnia weather in November.

June and December present stark contrasts in weather conditions. In June, temperatures range from a comfortable 9°C (48°F) at night to a warm 26°C (79°F) during the day, with an average of 17°C (62°F). The month sees a moderate amount of rainfall, totaling 51 mm (2.0 in) over about 7 days, and maintains a humidity level of 76%. In contrast, December is much colder, with temperatures dipping as low as -4°C (25°F) and averaging just 4°C (39°F). Daytime highs reach only 10°C (50°F), and precipitation is more frequent, contributing to a total of 81 mm (3.2 in) over 17 rainy days, alongside higher humidity levels at 89%. For more details on December weather, you can check Jastarnia weather in December.

Compare Jastarnia's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Jastarnia

In June, Jastarnia welcomes the onset of summer, showcasing warmer temperatures that rise significantly from earlier months, with pleasant averages around 17°C. This is coupled with a moderate level of humidity at 76%, creating a delightful, balmy atmosphere perfect for outdoor activities. While June experiences a bit of rainfall, with about 51 mm over roughly 7 days, the showers are typically short-lived, allowing for plenty of sunny moments. This combination of warmth and intermittent showers sets June apart as a vibrant month in Jastarnia's weather calendar, making it an ideal time for visitors to enjoy the beautiful landscapes. For a deeper dive into the region's climate, check out Jastarnia Climate.