Climate and monthly weather forecast
Weihai, China

Weihai, a city located in the Shandong province of China, experiences a moderate oceanic climate. This climatic condition classifies as Cfb within the Köppen's climatic classification framework where it is known for mild summers and winters that are not too severe. Geographical considerations afford the city an everchanging weather pattern year-round with differences witnessed in the various climatic parameters.

Areas with oceanic climate are characterized by temperature differences that are less extreme due to the moderating influence of the ocean. In Weihai, this is evidenced by average monthly highs ranging from 2°C (35.6°F) to 27.8°C (82°F) throughout the year while the lows vary between -3.4°C (25.9°F) in winter and 22°C (71.6°F) in summer. Such distinct variations in temperature highlight the seasonal changes in the city.

Rainfall plays a notable role in defining the overall climate of Weihai, with trends showing an escalation on the onset of monsoons. The city receives varying levels of rainfall throughout the year, the lowest being 12mm (0.47") in February and the highest reaching 176mm (6.93") in August. Days marked by rainfall range from 4.6 to 11.5 across the months, indicating a wetter climate during the monsoon.

Moreover, the pronounced influence of the coastal geographical position of Weihai is apparent in its sea temperature. Sea temperatures show a fluctuating pattern from a chilly 3.6°C (38.5°F) in February to a more pleasant 24.1°C (75.4°F) in August. The city also experiences daylight hours that change throughout the year; winters have around 9.9 hours of daylight while summer reaches its peak at 14.7 hours.

Considering the climatic elements and weather attributes, the best time to visit Weihai would be in the late spring or early summer months. Particularly, the period from May to June demonstrates comfortable weather conditions. During this time, average high temperatures measure from 16°C (60.8°F) to 25.5°C (77.9°F) and the amount of daylight starts to increase, creating favorable conditions for outdoor activities. Additionally, this period portrays relatively moderate rainfall patterns, adding to the city's allure for tourists.

Contrastingly, the month of August may prove to be the least desirable for visits to Weihai. Although August features lofty temperatures, ranging from 22°C (71.6°F) to 27.8°C (82°F), it also records the heaviest rainfall reaching 176mm (6.93"). This month witnesses the most amount of rain and high humidity which could make vacationing a bit challenging.

The spring season in Weihai presents an animated weather profile with regards to temperature and rainfall. During the spring months of March, April, and May, the city records highs from 3.4°C (38.1°F) to 21.6°C (70.9°F) and lows between -2.5°C (27.5°F) and 12.8°C (55°F). This indicates a gradual warming from winter's chill to a more hospitable climate. However, these months also represent the start of the rainy season with rainfall ranging from 12mm (0.47") to 49mm (1.93").

Summer months kick off in June, with temperatures spiking to highs between 25.5°C (77.9°F) and 27.8°C (82°F), and lows registering from 17.7°C (63.9°F) to 22°C (71.6°F). This period witnesses a surge in the duration of daylight up to 14.5 hours, sufficient for all manner of activities. Nonetheless, the summer months coincide with the monsoon season causing a spike in rainfall, with the highest recorded at 176mm (6.93") in August.

Autumn in Weihai, spanning September to November, records cooler temperatures; highs ranging from 24.4°C (75.9°F) to 11.8°C (53.2°F) and lows between 18.2°C (64.8°F) and 5.5°C (41.9°F). Although the level of rainfall begins to drop from summer's peak, it averages between 80mm (3.15") and 30mm (1.18"), still showcasing the effect of the monsoon season.

The winter months bring a distinct chill to Weihai with temperatures dropping to lows between -0.5°C (31.1°F) to 5.5°C (41.9°F) and highs fluctuating from 5.2°C (41.4°F) to 11.8°C (53.2°F). December through February marks a minimal amount of rainfall relative to other seasons, with totals ranging from 12mm (0.47") to 22mm (0.87"). The daylight shrinks to its lowest point, with an average of around 9.9 hours in December, reinforcing the winter's presence.

January in Weihai, China, is characterized by the rigid grip of winter with shorter daylight hours. Average low temperatures plunge to a chilly -3.4°C (25.9°F), making it the coldest month of the year, offset by a mere 9.9 hours of daylight on average. Weather in January »

The chill of January gives way to slightly warmer conditions in February. The temperature range widens from -2.5°C (27.5°F) to 3.4°C (38.1°F) bringing scant relief from the winter chill. Rainfall volumes stand nearly level with the prior month, averaging 12mm (0.47") over five days. Weather in February »

The arrival of spring is palpable in March with a considerable leap in average high temperatures, reaching up to 8.5°C (47.3°F) from the February high of 3.4°C (38.1°F). The increase in temperature is accompanied by a modest rise in rainfall and increasing daylight hours. Weather in March »

Aprils in Weihai are emblematic of spring, with warming temperatures and an influx of longer daylight hours. Averages high temperatures climb well into double digits, peaking at around 16°C (60.8°F). Rainfall volumes also increase, approximating a sizable 36mm (1.42"), somewhat spreading over nearly six days. Weather in April »

May marks the onset of summer and brings in noticeably warmer weather to Weihai, China. Daily high temperatures surge to an average of 21.6°C (70.9°F), giving a pronounced feel of the upcoming summer. The increase in heat is accompanied by an evident spurt in rainfall recording nearly 49mm (1.93"). Weather in May »

June sees temperatures ascending further peaking at an average of 25.5°C (77.9°F), paving the way deeper into the summer season. This increase in temperature is greeted with a marked increase in the rainfall registering a significant 75mm (2.95"). Weather in June »

July in Weihai, China, witnesses the warmest weather conditions of the year. The average maximum temperature peaks at 27.8°C (82°F), a level maintained through August. The amount of rain also spikes to a maximum of 133mm (5.24") falling over approximately 11 days, making July the rainiest month of the year. Weather in July »

August remains hot in the wake of July, showcasing the same monthly high temperature of 27.8°C (82°F). It proves to be the wettest month, outdoing its predecessor with an impressive 176mm (6.93") of rainfall. As August progresses, the heat of the summer begins to gradually dissipate. Weather in August »

The transition from summer to autumn is apparent in September as temperatures begin to cool, resulting in a comfortable weather environment. While the temperatures lower, the rainfall also sees a significant reduction to 80mm (3.15"). Weather in September »

October brings in quieter times with lower temperatures and diminished rainfall. A significant change from September's mild highs, temperatures drop to an average of 19.1°C (66.4°F). As the leaves begin their colorful journey towards winter, the city of Weihai, China takes on a distinct autumnal character. Weather in October »

The grip of winter begins to tighten in November. The noticeable drop in temperature, from 19.1°C (66.4°F) in October down to an average high of 11.8°C (53.2°F), marks the profound transition from autumn to winter. As the landscapes progressively adopt wintry hues, the city's weather takes on a distinct winter flavor. Weather in November »

December in Weihai, China, is characterized by the full embrace of winter. The average high temperature drops to 5.2°C (41.4°F), heralding the chill that January will further deepen. The decline in temperatures coincides with decreased daylight hours and reduced rainfall. Weather in December »