August Weather in Hamina, Finland

Last updated: August 21, 2025

In Hamina, Finland, August brings a delightful mix of warm temperatures and refreshing views. With a maximum temperature reaching up to 30°C (87°F) and an average of 17°C (62°F), the month invites outdoor activities under mostly clear skies. However, the minimum temperature can dip to 7°C (45°F), reminding residents and visitors of Finland's cool nights. The precipitation totals 90 mm (3.5 in) across 13 days, contributing to the lush, vibrant landscape that characterizes the region. With an humidity level averaging 85%, August offers a particularly refreshing ambiance, making it a unique blend of warmth and moisture that enhances the beauty of Hamina.

August Temperature in Hamina

In Hamina, Finland, August marks the tail end of summer, offering a pleasant transition before the cooler months arrive. With average temperatures hovering around 17°C (62°F), this month brings a comfortable warmth, complemented by a minimum of 7°C (45°F) and a peak that can reach up to 30°C (87°F). Compared to the previous months, August enjoys a more stable warmth, reflecting a gradual shift from the hotter July and setting the stage for the cooler September. As the days grow shorter, this month serves as a delightful farewell to summer, allowing residents and visitors to savor the lingering warmth of the sun before autumn sets in.

August Weather in Hamina: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Hamina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamina, August 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).
JanFebMarAprMayJunJulAugSepOctNovDec272529385061646254453730
Data source: Temperature data for Hamina 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.

August Precipitation in Hamina

In August, Hamina experiences a notable surge in precipitation, with 90 mm (3.5 in) of rain accumulating over 13 days. This increase is part of a broader trend, as summer transitions into autumn, bringing a contrast to the drier months earlier in the year. July, though wet, records 82 mm (3.2 in) over only 11 days, but August's rainfall is more sustained, hinting at an increasingly active weather pattern as the season shifts. Following August, the precipitation patterns continue with September’s 67 mm (2.6 in), but the month lingers with a hint of summer’s humidity. Overall, August stands out not just for its rainfall volume but for its role in signaling the onset of wetter autumn conditions in Hamina.

August Precipitation Trends in Hamina

The chart displays monthly precipitation patterns in Hamina, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Hamina, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec555650434948829067846582
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Hamina

In Hamina, Finland, the trend of humidity throughout the year reflects a gradual shift from the peak dampness of winter months to a more moderate summer state. From January's soaring humidity of 98%, the levels start to gradually decrease, reaching 87% by April as the chill of winter recedes. This decrease continues through May and June, dipping to a comfortable 74%, just before the summer blooms. However, July marks a resurgence, with humidity rising to 80%, setting the stage for August's 85%. This slight increase signals the lingering warmth of summer, before a gradual turn back to higher humidity levels in the fall months, reaching 90% in September. Overall, the humidity in Hamina reflects the rhythm of the seasons, transitioning from the high moisture of winter to a more balanced summer, and back again as the year concludes.

August Average Humidity in Hamina

This chart illustrates the average monthly humidity levels in Hamina, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Hamina is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%93%87%75%74%80%85%90%94%94%96%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Hamina

In August, Hamina, Finland experiences a moderate UV Index of 5, with an estimated burn time of 30 minutes. This is a slight decrease from the high levels of 7 noted in June and July, signaling a transition towards the cooler months. While the UV exposure is manageable, it's still wise to take precautions during outdoor activities. The trend shows a gradual decline in UV intensity as summer wanes, with September following with a UV Index of 4. For those looking to stay informed about sun exposure, check out the detailed Hamina UV Index for insights throughout the year.

Maximum UV Index Levels in Hamina for August

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

August Sunshine in Hamina

In Hamina, Finland, the month of August brings a delightful transition from the height of summer into the onset of autumn, boasting 411 hours of sunshine. This vibrant month stands out as a reflection of the summer’s enduring light, following July, which holds a narrow edge with 490 hours. As daylight hours begin to wane, August still offers plenty of sun for outdoor activities and exploration. The sunshine in August marks a soft decline from the nearly peak hours experienced in the earlier summer months, yet it remains significantly higher compared to the colder and darker winter months, such as January with its mere 45 hours. This trend highlights how Hamina basks in abundant daylight during the summer, creating a picturesque backdrop for enjoying nature before the days shorten further into autumn.

Monthly Sunshine Duration in Hamina: August Highlighted

The August sunshine duration represents the total number of hours Hamina experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec45h132h258h365h451h488h490h411h296h201h107h44h
Data source: Hamina August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hamina During August

In Hamina, Finland, August offers a unique glimpse of late summer as the likelihood of sunny weather drops to 29%, a notable decrease from the preceding month of July, which boasts a more optimistic 59% chance. This decline follows a trend observed through the summer months, where sunshine peaks in June and July, creating a vibrant atmosphere ideal for outdoor activities. However, as August rolls in, the sunny days become less frequent, signaling a gentle transition towards autumn. Despite this dip, August still holds a respectable chance for sunnier spells compared to the cooler months ahead, such as September and October, which average only 23% and 22% sunshine, respectively. So, while August may not guarantee bright skies, it still retains a flicker of summer's warmth before the days grow shorter.

Percentage of Sunny Days in August in Hamina

The chart illustrates the percentage of sunny days in Hamina throughout the year, with August 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 Hamina experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec4%12%37%45%30%55%59%29%23%22%15%9%
Data source: Hamina August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hamina in August

In Hamina, Finland, August marks a transitional phase in the rhythm of daylight, with 15 hours of sunlight illuminating the days. This month sees a slight decline from the sunniest heights of June and July, each boasting 18 hours, but still offers ample daylight as summer gradually gives way to autumn. The increasing shadows signal a shift towards the gentler light of autumn, where daylight progressively recedes to 12 hours in September and continues its descent as the year wanes. This gradual ebb and flow of daylight not only highlights the vibrant beauty of Finnish summers but also prepares residents for the enchanting colors of fall, making every August day a golden opportunity to soak in the lingering warmth before the shorter days set in.

Average Daylight Hours in Hamina for August

The chart illustrates the variation in daylight duration in Hamina throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 39m9h 4m11h 51m14h 41m17h 20m18h 54m18h 3m15h 35m12h 48m10h7h 22m5h 49m
Data source: Hamina daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Hamina

In Hamina, Finland, August ushers in a refreshing change as average wind speed peaks at 4.7 m/s (10 mph), marking it as one of the breeziest months of the year. Following a gradual decline from spring into summer, where winds dip to their lowest in June at 3.2 m/s (7 mph), August's surge revitalizes the coastal atmosphere. This trend of increasing wind speed continues into autumn, with September witnessing a return to 4.2 m/s (9 mph) and October reaching up to 5.6 m/s (13 mph). Interestingly, despite the chill of winter months, notably November and December, winds remain relatively consistent, averaging between 4.6 m/s (10 mph) and 4.9 m/s (11 mph). Thus, the winds in Hamina shift with the seasons, peaking in late summer before promising blusterous days ahead as the year comes to a close.

Average August Wind Speed in Hamina

The chart displays monthly wind speed patterns in Hamina, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.13.64.54.23.83.23.64.7 m/s4.25.64.94.6
Data source: Hamina August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Hamina Compares to Other Months

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

August and January present stark contrasts in weather conditions. In August, temperatures range from a pleasant minimum of 7°C (45°F) to a warm maximum of 30°C (87°F), with an average of 17°C (62°F). It boasts higher humidity at 85% and receives about 90 mm (3.5 in) of precipitation over 13 days. Conversely, January is much colder, with temperatures plummeting to a minimum of -24°C (-10°F) and an average of -3°C (27°F), while the maximum barely reaches 7°C (46°F). January experiences a lower total precipitation of 55 mm (2.2 in), spread over 12 days, but with a much higher humidity level of 98%. For more details, you can check Hamina weather in January.

August and February present stark contrasts in weather. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 30°C (87°F), with an average of 17°C (62°F), alongside moderate rainfall of 90 mm (3.5 in) over 13 days. The humidity is relatively high at 85%. Conversely, February brings frigid conditions with a minimum temperature of -28°C (-18°F) and an average of -4°C (25°F), peaking at just 7°C (44°F). Precipitation is lower at 56 mm (2.2 in) over 11 days, but the humidity soars to 96%. For more detailed information, check Hamina weather in February.

August and March present a stark contrast in weather conditions. In August, temperatures range from a mild 7°C (45°F) at minimum to a warm 30°C (87°F) at maximum, with an average temperature of 17°C (62°F). While humidity is high at 85%, precipitation occurs over approximately 13 days totaling 90 mm (3.5 in). In comparison, March experiences much colder conditions, with temperatures dipping as low as -22°C (-7°F) and only reaching a maximum of 9°C (48°F), averaging around -1°C (30°F). Although precipitation is lower at 50 mm (2.0 in) over 11 days, the humidity is notably higher at 93%. For more detailed information about March weather, you can visit Hamina weather in March.

August and April exhibit significant contrasts in weather conditions. August enjoys warmer temperatures, with a minimum of 7°C (45°F), an average of 17°C (62°F), and a maximum soaring to 30°C (87°F). In comparison, April's temperatures are much cooler, starting as low as -12°C (10°F) and reaching a maximum of 19°C (67°F), with an average of only 4°C (39°F). Precipitation is more frequent in August, occurring on 13 days with a total of 90 mm (3.5 in), while April sees fewer rainy days (10) and less total precipitation (43 mm or 1.7 in). Both months have similar humidity levels, hovering around 85% in August and 87% in April. For a more detailed look at April weather, visit Hamina weather in April.

August and May showcase distinct climatic contrasts. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 30°C (87°F), providing a warm average of 17°C (62°F). The month experiences significant humidity at 85%, along with considerable precipitation of 90 mm (3.5 in) over 13 days. In contrast, May presents cooler weather, with temperatures fluctuating between -3°C (27°F) and a maximum of 26°C (79°F), resulting in an average of 10°C (50°F). Precipitation is lighter in May, totaling 49 mm (1.9 in) over 9 days and accompanied by slightly lower humidity at 75%. For more details on May weather, visit Hamina weather in May.

When comparing the weather of August and June, one notable difference is the temperature range. August experiences a minimum of 7°C (45°F) and an average of 17°C (62°F), while June starts with a cooler low of 2°C (35°F) but has a similar maximum of 30°C (87°F). Despite the higher average temperature in August, it also brings increased precipitation with 90 mm (3.5 in) over 13 days compared to June's 48 mm (1.9 in) across just 10 days. Humidity levels are also elevated in August at 85%, compared to June's 74%, making August feel more humid and potentially less comfortable. For a more detailed perspective on June weather, you can check out Hamina weather in June.

In comparing the weather between July and August, both months exhibit mild temperatures, but August tends to be slightly cooler overall. July experiences a minimum temperature of 8°C (46°F) and an average of 18°C (65°F), while August has a minimum of 7°C (45°F) and an average of 17°C (62°F). Additionally, the maximum temperature in July reaches 31°C (88°F), just a notch above August's 30°C (87°F). When it comes to precipitation, August is a bit wetter, with 90 mm (3.5 in) over 13 days, compared to July's 82 mm (3.2 in) over 11 days. Humidity levels are slightly higher in August at 85%, compared to 80% in July. For more detailed information, check out Hamina weather in July.

August weather typically brings warmer temperatures, with daily averages reaching up to 17°C (62°F) and maximums peaking at 30°C (87°F). In contrast, September sees a significant drop in average temperatures, with daily averages around 12°C (54°F) and maximums only reaching 22°C (73°F). While August experiences more pleasant and mild conditions, it also has higher humidity levels at 85% compared to September's 90%. Precipitation is also less in August at 90 mm (3.5 in) over 13 days, while September records 67 mm (2.6 in) over 12 days. For a deeper look into September's climate, you can visit Hamina weather in September.

In August, the weather is generally warmer, 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 (62°F). The month experiences relatively high humidity at 85% and sees about 90 mm (3.5 inches) of precipitation over 13 days. In contrast, October welcomes a significant drop in temperatures, with a minimum of -4°C (26°F) and a maximum of 16°C (62°F), averaging around 7°C (45°F). This month also experiences increased humidity at 94% and slightly less precipitation at 84 mm (3.3 inches), but over more days, totaling 16. For more detailed information, you can check Hamina weather in October.

August and November present strikingly different weather conditions. August typically boasts warmer temperatures, with a minimum of 7°C (45°F), an average of 17°C (62°F), and a maximum of 30°C (87°F). However, it experiences higher humidity at 85% and more precipitation, averaging 90 mm (3.5 in) over 13 days. In contrast, November is much chillier, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 12°C (54°F) and an average of just 3°C (38°F). Despite having lower overall precipitation of 65 mm (2.6 in) over 14 days, November's humidity is notably higher at 94%. For more detailed insights on November weather, you can visit Hamina weather in November.

August and December present strikingly contrasting weather conditions. In August, temperatures range from a mild 7°C (45°F) at night to a warm maximum of 30°C (87°F), with an average of 17°C (62°F). This month experiences about 90 mm (3.5 in) of precipitation over 13 days and a humidity level of 85%. In contrast, December's weather is much harsher, with temperatures plummeting to a minimum of -18°C (0°F) and an average of -1°C (30°F), peaking at just 6°C (44°F). Although December sees slightly lower precipitation at 82 mm (3.2 in), it occurs over 16 days, accompanied by a high humidity level of 96%. For more specific details about the weather conditions in December, you can check Hamina weather in December.

Compare Hamina's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Hamina

In August, Hamina experiences a delightful transition, with temperatures peaking at a warm 30°C (87°F) and averaging around a comfortable 17°C (62°F). Unlike the sweltering peaks of summer or the biting cold of winter, August is characterized by a blend of warmth and notable humidity, often reaching 85%. However, visitors should be prepared for frequent rain, as the month sees around 13 days of precipitation, totaling approximately 90 mm (3.5 in). This distinct weather pattern invites both locals and travelers to enjoy the lush landscapes and vibrant outdoor activities of Hamina. For more insights into the city's climate throughout the year, explore Hamina Climate.