Hanoi
Vietnam · Southeast Asia
Year-round range: 56°F to 91°F
December
Excellent conditions this month
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
December has comfortable temperatures — not too hot, not too cold.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = DecRainfall
Monthly rain and rain days.
December has moderate rainfall — occasional showers but mostly manageable.
Sunshine
Average hours of bright sun per day.
December has limited sunshine — overcast skies are common.
Clear sky
Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.
Air comfort by month
Humidity and heat feel by month.
December is mostly comfortable — low heat and humidity pressure.
Time-of-day patterns
Typical hourly rhythm for December.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In December, afternoons reach about 71° and nights settle near 61°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity |
|---|---|---|---|---|---|---|
| Jan | 67°F | 56°F | 5 | 1.2in | 2.6h | 74.71428571428571% |
| Feb | 70°F | 59°F | 6 | 1.1in | 2.2h | 77.57142857142857% |
| Mar | 77°F | 65°F | 9 | 2.2in | 2.4h | 79.14285714285714% |
| Apr | 84°F | 71°F | 11 | 3.4in | 3.5h | 80% |
| May | 88°F | 76°F | 18 | 8.0in | 3.6h | 79.85714285714286% |
| Jun | 91°F | 79°F | 21 | 10in | 2.3h | 80.57142857142857% |
| Jul | 91°F | 79°F | 22 | 12in | 3.1h | 81.71428571428571% |
| Aug | 89°F | 78°F | 23 | 13in | 3h | 84.57142857142856% |
| Sep | 87°F | 76°F | 18 | 8.5in | 3.9h | 82.85714285714285% |
| Oct | 83°F | 71°F | 11 | 4.8in | 4.8h | 76.85714285714286% |
| Nov | 77°F | 65°F | 6 | 2.4in | 4.7h | 74.14285714285714% |
| Dec | 70°F | 57°F | 4 | 1.1in | 3.8h | 71% |