Jiansanjiang weather by month & the best time to visit
China · small town · hot-summer continental climate

The best time to visit Jiansanjiang is September — its sunniest month (Sunshine Score 82/100), with May and June close behind. Jiansanjiang averages about 2,618 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 65 mm of rain in September.
When is the best time to visit Jiansanjiang?
For sunshine, the best time to visit Jiansanjiang is September, then May and June. The dullest month is January (0/100, 8 mm of rain). The full month-by-month picture is in the table below.
How sunny is Jiansanjiang?
Jiansanjiang gets a lot of sun: around 2,618 hours a year. 82 Sunshine Score points separate September (82) from January (0), so the month you pick matters. It ranks #81 of 254 destinations in China for annual sunshine, above the national median of 2,110 hours. Rain has a clear season: the wettest stretch, around July, carries about 54% of the annual 612 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -16° / 3°F | -25° / -13°F | 8 mm | 1 |
| February | 0 | -10° / 14°F | -22° / -8°F | 8 mm | 2 |
| March | 0 | 0° / 32°F | -11° / 12°F | 19 mm | 3 |
| April | 29 | 12° / 54°F | -1° / 30°F | 33 mm | 3 |
| May | 81 | 20° / 68°F | 7° / 45°F | 70 mm | 5 |
| June | 78 | 25° / 77°F | 13° / 55°F | 88 mm | 5 |
| July | 72 | 28° / 82°F | 17° / 63°F | 123 mm | 6 |
| August | 73 | 26° / 79°F | 16° / 61°F | 118 mm | 5 |
| September | 82 | 21° / 70°F | 9° / 48°F | 65 mm | 4 |
| October | 21 | 11° / 52°F | -1° / 30°F | 46 mm | 2 |
| November | 0 | -2° / 28°F | -11° / 12°F | 20 mm | 1 |
| December | 0 | -14° / 7°F | -22° / -8°F | 14 mm | 1 |
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Jiansanjiang: questions and answers
What kind of destination is Jiansanjiang?
Jiansanjiang is a small town in China with a hot-summer continental climate.
How many hours of sunshine does Jiansanjiang get a year?
Jiansanjiang gets about 2,618 hours of sunshine a year, at its best around September.
When is the best time to visit Jiansanjiang?
The sunniest time to visit Jiansanjiang is September, when the Sunshine Score peaks at 82/100 (with May and June close behind). Expect daytime highs around 21°C / 70°F.
What is the least sunny month in Jiansanjiang?
January is the least sunny month in Jiansanjiang, scoring 0/100 with about 8 mm of rain.
How strong is the sun in Jiansanjiang?
The typical midday UV index in Jiansanjiang peaks around 6 (high) in July, 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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