Weihai climate
Weihai (Shandong, China) has a monsoon-influenced hot-summer humid continental climate (Köppen Dwa). The average temperature over the year is 13 °C55 °F, and about 726 mm29 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Weihai climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin | Frost days |
|---|---|---|---|---|---|
| Jan | 235 | −229 | 032 | 110.4 | 23 |
| Feb | 338 | −130 | 134 | 170.7 | 18 |
| Mar | 846 | 235 | 540 | 170.7 | 7 |
| Apr | 1457 | 744 | 1050 | 431.7 | 0 |
| May | 2068 | 1355 | 1662 | 612.4 | 0 |
| Jun | 2576 | 1865 | 2271 | 742.9 | 0 |
| Jul | 2781 | 2272 | 2577 | 1656.5 | 0 |
| Aug | 2882 | 2374 | 2578 | 1867.3 | 0 |
| Sep | 2476 | 2068 | 2272 | 682.7 | 0 |
| Oct | 1966 | 1457 | 1661 | 271.1 | 0 |
| Nov | 1253 | 744 | 949 | 411.6 | 0 |
| Dec | 440 | 133 | 337 | 170.7 | 12 |
| Year | 2882 | −229 | 1355 | 72629 | 61 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total. Frost days are for the whole grid cell.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 71% | 67% | 2.1 | 9:50 |
| Feb | 70% | 65% | 3.0 | 10:45 |
| Mar | 69% | 60% | 4.2 | 11:51 |
| Apr | 69% | 62% | 5.0 | 13:07 |
| May | 69% | 64% | 5.5 | 14:10 |
| Jun | 74% | 70% | 5.1 | 14:44 |
| Jul | 80% | 73% | 4.6 | 14:30 |
| Aug | 81% | 66% | 4.6 | 13:36 |
| Sep | 73% | 59% | 4.3 | 12:22 |
| Oct | 68% | 55% | 3.3 | 11:09 |
| Nov | 70% | 61% | 2.3 | 10:06 |
| Dec | 71% | 68% | 1.8 | 9:35 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Weihai is like
The warmest month is August, with an average high of 28 °C82 °F and a low of 23 °C74 °F. The coldest is January, when highs average 2 °C35 °F and lows −2 °C29 °F. Seasons are strongly marked: the warmest month is on average 25.5 °C45.9 °F warmer than the coldest.
Annual precipitation is moderate at about 726 mm29 in. The wettest three-month stretch is June–August, which brings 59% of the annual total. Months with less than 20 mm0.8 in on average: December–March. The wettest month is August (186 mm7.3 in), the driest is January (11 mm0.4 in).
Relative humidity ranges from 68% in October to 81% in August. The clearest skies (lowest average cloud amount, 55%) are typical of October. Average wind speed near the ground ranges from 13 km/h (8 mph) in August to 19 km/h (12 mph) in December. Daylight lasts from about 9.6 hours in December to 14.7 hours in June.
A lasting snow cover is typical in January and February, when the average snow depth in the reanalysis exceeds 10 cm (deepest in January, about 13 cm).
Best time to visit Weihai
Based on these averages, the most comfortable months for sightseeing and outdoor activities are May and June and September and October: average highs of 19 °C66 °F to 25 °C76 °F with 27 mm1.1 in to 74 mm2.9 in of precipitation per month.
The most challenging month is January, which is cold, with average highs of 2 °C35 °F.
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Weihai
- Winter (December–February) — highs 235 to 4 °C40 °F, lows −229 to 1 °C33 °F, about 15 mm0.6 in of precipitation a month. Pack a winter coat, hat, gloves and warm, non-slip boots and shoes with good grip, as frost is common.
- Spring (March–May) — highs 846 to 20 °C68 °F, lows 235 to 13 °C55 °F, about 40 mm1.6 in of precipitation a month. Pack long sleeves, a sweater and a medium jacket.
- Summer (June–August) — highs 2576 to 28 °C82 °F, lows 1865 to 23 °C74 °F, about 142 mm5.6 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and an umbrella or light rain jacket.
- Autumn (September–November) — highs 1253 to 24 °C76 °F, lows 744 to 20 °C68 °F, about 45 mm1.8 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket.
How Weihai compares
Compared with Yantai, about 59 km to the west, Weihai has practically the same average temperature and receives a similar amount of precipitation. The difference is largest in May (1.6 °C2.9 °F cooler).
Of the 547 places in China covered by World Climates, Weihai is the 371st warmest by annual mean temperature and the 329th wettest by annual precipitation. See all of them on the China climate page.
Places in other countries with the most similar temperature and rainfall pattern: Chaeryŏng-ni (North Korea, Dwa), Hwaseong-si (South Korea, Dwa) and Osan (South Korea, Dwa).
The same NASA POWER grid cell also contains Tianfu (pop. 115,370). Their long-term averages in this dataset are essentially the same as for Weihai, so they do not have separate pages.
Nearby places
- Yantai 59 km · 13 °C55 °F · 707 mm28 in
- Dongcun 117 km · 13 °C55 °F · 687 mm27 in
- Laiyang 137 km · 13 °C55 °F · 673 mm26 in
- Zhaoyuan 151 km · 12 °C54 °F · 692 mm27 in
- Dalian 162 km · 11 °C52 °F · 667 mm26 in
- Jinzhou 180 km · 12 °C53 °F · 667 mm26 in
- Laizhou 195 km · 13 °C55 °F · 659 mm26 in
- Pingdu 208 km · 13 °C55 °F · 659 mm26 in
Frequently asked questions
What is the warmest month in Weihai?
August is the warmest month in Weihai, with an average high of 28 °C (82 °F) and an average low of 23 °C (74 °F).
What is the coldest month in Weihai?
January is the coldest month, with an average high of 2 °C (35 °F) and an average low of -2 °C (29 °F).
When does it rain the most in Weihai?
August is the wettest month with about 186 mm (7.3 in) of precipitation; January is the driest with about 11 mm (0.4 in).
What is the best time to visit Weihai?
Judging by long-term averages, the most comfortable months are May and June and September and October.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.