Hanoi (Soc Son) weather by month & the best time to visit
Vietnam · major city break · humid subtropical climate
The best time to visit Hanoi (Soc Son) is February — its sunniest month (Sunshine Score 82/100), with December and January close behind. Hanoi (Soc Son) averages about 1,300 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 22 mm of rain in February.
When is the best time to visit Hanoi (Soc Son)?
For sunshine, the best time to visit Hanoi (Soc Son) is February, then December and January. The dullest month is May (58/100, 179 mm of rain). The full month-by-month picture is in the table below.
How sunny is Hanoi (Soc Son)?
Hanoi (Soc Son) isn't a sunny place by world standards: about 1,300 hours of sunshine a year. February (82/100) is noticeably better than May (58). It ranks #21 of 22 destinations in Vietnam for annual sunshine, below the national median of 2,124 hours. Rain has a clear season: the wettest stretch, around August, carries about 53% of the annual 1,607 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 80 | 21° / 70°F | 11° / 52°F | 32 mm | 4 |
| February | 82 | 24° / 75°F | 13° / 55°F | 22 mm | 5 |
| March | 77 | 27° / 81°F | 17° / 63°F | 49 mm | 5 |
| April | 72 | 31° / 88°F | 20° / 68°F | 78 mm | 6 |
| May | 58 | 32° / 90°F | 24° / 75°F | 179 mm | 8 |
| June | 58 | 32° / 90°F | 26° / 79°F | 201 mm | 8 |
| July | 58 | 32° / 90°F | 26° / 79°F | 300 mm | 9 |
| August | 58 | 32° / 90°F | 25° / 77°F | 322 mm | 9 |
| September | 58 | 31° / 88°F | 24° / 75°F | 223 mm | 8 |
| October | 63 | 28° / 82°F | 20° / 68°F | 124 mm | 6 |
| November | 76 | 25° / 77°F | 16° / 61°F | 52 mm | 5 |
| December | 81 | 21° / 70°F | 12° / 54°F | 25 mm | 4 |
Nearest destinations
Head-to-head
How Hanoi (Soc Son) compares month by month: Hanoi (Soc Son) vs Haiphong (Hai An) · Hanoi (Soc Son) vs Thanh Hóa · Hanoi (Soc Son) vs Vinh · all comparisons
Hanoi (Soc Son): questions and answers
What kind of destination is Hanoi (Soc Son)?
Hanoi (Soc Son) is a major city break in Vietnam with a humid subtropical climate.
How many hours of sunshine does Hanoi (Soc Son) get a year?
Hanoi (Soc Son) gets about 1,300 hours of sunshine a year, at its best around February.
When is the best time to visit Hanoi (Soc Son)?
The sunniest time to visit Hanoi (Soc Son) is February, when the Sunshine Score peaks at 82/100 (with December and January close behind). Expect daytime highs around 24°C / 75°F.
What is the least sunny month in Hanoi (Soc Son)?
May is the least sunny month in Hanoi (Soc Son), scoring 58/100 with about 179 mm of rain.
How strong is the sun in Hanoi (Soc Son)?
The typical midday UV index in Hanoi (Soc Son) peaks around 9 (very high) in July, easing to about 4 (moderate) in January. Month-by-month midday UV values are in the UV column of the table on this page.
Put the Hanoi (Soc Son) sunshine badge on your site
A compact badge showing Hanoi (Soc Son)'s sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: