Changhai weather by month & the best time to visit
China · coastal city break · hot-summer continental climate
The best time to visit Changhai is May — its sunniest month (Sunshine Score 81/100), with September and June close behind. Changhai averages about 2,223 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 58 mm of rain in May.
When is the best time to visit Changhai?
For sunshine, the best time to visit Changhai is May, then September and June. The dullest month is January (0/100, 5 mm of rain). The full month-by-month picture is in the table below.
How sunny is Changhai?
Changhai gets a moderate 2,223 hours of sunshine a year. 81 Sunshine Score points separate May (81) from January (0), so the month you pick matters. It ranks #114 of 254 destinations in China for annual sunshine, above the national median of 2,110 hours. Rain is strongly seasonal here: roughly 61% of the year's 708 mm falls in the three months around July.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | -2° / 28°F | -10° / 14°F | 5 mm | 1 | 2° / 36°F |
| February | 0 | 1° / 34°F | -7° / 19°F | 12 mm | 2 | 1° / 34°F |
| March | 0 | 7° / 45°F | -2° / 28°F | 14 mm | 3 | 3° / 37°F |
| April | 42 | 14° / 57°F | 4° / 39°F | 41 mm | 4 | 8° / 46°F |
| May | 81 | 21° / 70°F | 11° / 52°F | 58 mm | 5 | 14° / 57°F |
| June | 76 | 25° / 77°F | 16° / 61°F | 87 mm | 5 | 20° / 68°F |
| July | 64 | 28° / 82°F | 21° / 70°F | 157 mm | 5 | 23° / 73°F |
| August | 64 | 28° / 82°F | 21° / 70°F | 187 mm | 6 | 28° / 82°F |
| September | 81 | 25° / 77°F | 16° / 61°F | 61 mm | 5 | 25° / 77°F |
| October | 70 | 18° / 64°F | 8° / 46°F | 43 mm | 3 | 19° / 66°F |
| November | 7 | 9° / 48°F | 0° / 32°F | 33 mm | 2 | 14° / 57°F |
| December | 0 | 1° / 34°F | -7° / 19°F | 10 mm | 1 | 9° / 48°F |
Sea temperature in Changhai by month
The sea off Changhai is warmest in August at around 28°C / 82°F, and coolest in February at 1°C / 34°F. The water sits at a comfortable 21°C or warmer roughly 3 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Changhai: questions and answers
What kind of destination is Changhai?
Changhai is a coastal city break in China with a hot-summer continental climate — the sea reaches 28°C at its warmest and is swimmable (21°C+) about 3 months a year.
How many hours of sunshine does Changhai get a year?
Changhai gets about 2,223 hours of sunshine a year, at its best around May.
When is the best time to visit Changhai?
The sunniest time to visit Changhai is May, when the Sunshine Score peaks at 81/100 (with September and June close behind). Expect daytime highs around 21°C / 70°F.
What is the least sunny month in Changhai?
January is the least sunny month in Changhai, scoring 0/100 with about 5 mm of rain.
What is the sea temperature in Changhai?
The sea in Changhai ranges from about 1°C (February) to 28°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Changhai?
The typical midday UV index in Changhai peaks around 6 (high) in August, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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