Climate and monthly weather forecastDonghae, South Korea

The climate of Donghae

Donghae, South Korea, falls under the Köppen climate classification Dfa, signifying a humid continental climate with no dry season, and a hot summer. Positioned in the eastern part of the country, this coastal city presents a combination of mild to hot temperatures, significant rainfall and considerable variations in humidity levels throughout the year.

Blending all the climatological parameters, the weather of Donghae demonstrates a shift from periods with moderately cold winters to notably hot summers. Variations in weather conditions are evident across the twelve months. The lowest mean temperature of -3.1°C (26.4°F) tends to occur in January, while the highest mean temperature of 27.3°C (81.1°F) typically occurs in August.

Rainfall in Donghae is substantial, peaking in the summer months. The wettest months, from highest to lower, include September, with 241mm (9.49") of rainfall, August, with 240mm (9.45"), and July, reaching 235mm (9.25"). In contrast, the drier periods occur in winter, with December being the driest month receiving only 21mm (0.83") precipitation.

A distinct shift in humidity is also noticeable in this city. Average relative humidity ranges from a low of 46.8% in December to a peak of 82.6% in August. The sharp uptick in humidity and rainfall coincides with the highest average temperatures, illustrating the intensity of the summer season in Donghae.

The best time to visit Donghae

Judging from the climate elements throughout the year, the most suitable period to prospect and explore the wonders of Donghae starts in April and runs through to June. This period witnesses temperatures ranging from a pleasant 16.6°C (61.9°F) to a moderate 23.2°C (73.8°F), the latter at the very end of the springtime. These months offer an enjoyable warmth coupled with moderate humidity as rainfall is on the lower side, from 60mm (2.36") in April to 110mm (4.33") in June.

The worst time to visit Donghae

While Donghae offers a variety of experiences throughout the year, the period from July to September might prove challenging for visitors not fond of heavy rains and high humidity. These months represent the monsoon season, with excessively high rainfall going up to 241mm (9.49") in September combined with humidity hitting an average of above 80%.

Spring weather in Donghae

In Donghae, springtime emerges in March and continues until May, displaying a delightful revival in temperatures. March initiates spring with a modest 10.8°C (51.4°F), which escalates to a pleasant 20.6°C (69.1°F) by May. This season witnesses rainfall moderately increasing from 59mm (2.32") to 74mm (2.91") between March and May, marking the transition to the wetter time of the year.

Summer weather in Donghae

Characterized by heat and precipitation, summer in Donghae extends from June to August. This period encounters an ascend in temperatures, ranging from an average high of 23.2°C (73.8°F) in June to soaring up to 27.3°C (81.1°F) in August. Alongside the rise in temperature, humidity drastically escalates, contributing to the hot and sticky weather conditions.

Autumn weather in Donghae

Transitioning from the intense heat of summer, autumn falls between September and November. Amid this phase, temperatures progressively decrease, from a high of 23.7°C (74.7°F) in September to a moderate 13.6°C (56.5°F) in November. However, September continues to experience high levels of rainfall at 241mm (9.49"), which gradually decrease in the ensuing months.

Winter weather in Donghae

Winter season in Donghae spans from December to February and is marked by relatively mild and dry conditions. The coldest month, January, experiences an average low temperature of -3.1°C (26.4°F), while humidity is at its yearly low. Despite the lower temperatures, winter months see the least amount of rainfall with December only recording 21mm (0.83"), providing the clearest period in the year.

Weather in January

A quick transition from the frosty year-end to an equally brisk January establishes Donghae, South Korea's winter continuity. Although cold, the city does not yet face its coldest month. Nevertheless, the January weather is a clear indication of a traditional winter climate. Weather in January »

Weather in February

Following January, the city of Donghae welcomes an increase in temperature with the coming of February. Frost begins to thaw and the harsh winter chill eases slightly. It is the close of winter's reign where spring's budding presence begins to manifest subtly. Weather in February »

Weather in March

The March climate in Donghae exudes a sense of spring renewal as both temperature and daylight hours increase. This month signifies the end of winter and the bloom of warmer temperatures. Precipitation becomes more frequent, hinting at South Korea's rainy season. Weather in March »

Weather in April

As Donghae delves deeper into spring, April heralds the arrival of a more temperate climate. Longer days coupled with increased sunshine hours signify the continuous shift from winter's end to the heart of spring. Ascending daylight hours, compared to March, demonstrate this seasonal transition more than ever. Weather in April »

Weather in May

May in Donghae bears the last full month of spring, paving the way for the intensity of the upcoming summer. Consistent rain showers interspersed with sunlight truly express May’s meteorological dichotomy. Considering the transitioning weather, temperatures and humidity fluctuate significantly. Weather in May »

Weather in June

Donghae's weather in June could be summarized as the commencement of a hot, humid summer season. The long, sunny days are occasionally interrupted by rainfall, indicating the onset of South Korea's monsoon season. Embracing the appearance of the first summer month, June is notable for the striking increase of rainfall to 110mm (4.33"). As Donghae transitions from May to June, the average high-temperatures adjust to a warm 23.2°C (73.8°F), nearly the same as the previous 20.6°C (69.1°F). Weather in June »

Weather in July

July in Donghae ushers in peak summer with a distinct rise in temperature and humidity. The presence of rain showers, despite the heat, exemplifies a typical monsoonal climate. The occasional downpour does not hinder the continual burst of summer sunshine. Weather in July »

Weather in August

As the summer comes to its zenith, August weather in Donghae is characterized by high temperatures and consistent rain. Despite the continuous wet spells, sunshine persists to stay noticeably present. The sweltering heat blends smoothly with the rainy panorama, formulating a classic monsoon climate. Weather in August »

Weather in September

The commencement of September in Donghae denotes a gentle farewell to peak summer and a smooth transition into autumn. With the heat easing and the frequented rainy spells reducing, the climate begins to stabilize. However, this does not eradicate rainfall entirely as remnants of the rainy season still persist. Weather in September »

Weather in October

October in Donghae sees a noticeable reduction in temperature, terrestrial showers, and humidity, introducing the calm nature of autumn. The clear skies and cool atmosphere reflect optimum fall weather. It offers a welcome respite from the saturation and heat of the preceding summer months. Weather in October »

Weather in November

November marks a distinct shift towards winter, illustrated by the dropping temperatures in Donghae. The fall foliage coupled with cooler temperatures enhances the city's picturesque allure. As though preparing for the frigid months ahead, rainfall rates decrease. Weather in November »

Weather in December

Donghae welcomes winter in full stride with December’s onset. Dropping day temperatures accompanied by chilling nights establish a characteristically frosty end of the year. The drastic reduction in rainfall from November to December paints a comprehensive picture of Korean winters. Weather in December »