Climate · Vietnam

Hanoi

Hot and wet from May to September; warm and mostly dry from December to February.

Typical weather, averaged over 30 years21.0°N10 m above the sea
  1. Jan71°22°56°13°Rain on about two days a week.
  2. Feb73°23°58°14°Rain on about two days a week.
  3. Mar79°26°64°18°Rain on about three days a week.
  4. Apr86°30°70°21°Rain on about three days a week.
  5. May91°33°76°24°Rain on about four days a week.
  6. Jun94°34°79°26°Rain on about four days a week.
  7. Jul94°34°79°26°Rain on about five days a week.
  8. Aug92°33°78°26°Rain on about six days a week.
  9. Sep90°32°76°24°Rain on about five days a week.
  10. Oct87°31°72°22°Rain on about three days a week.
  11. Nov81°27°65°18°Rain on about two days a week.
  12. Dec73°23°57°14°Rain on about two days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The best months

The hot season runs from May to September, with highs near 92°F and nights near 77°F. From December to February, highs are nearer 72°F. The rain comes from May to September, on about five days a week. November to February is the driest stretch, with rain on about two days a week. Daylight runs from about 11 hours in December to 13½ hours in June.The hot season runs from May to September, with highs near 33°C and nights near 25°C. From December to February, highs are nearer 22°C. The rain comes from May to September, on about five days a week. November to February is the driest stretch, with rain on about two days a week. Daylight runs from about 11 hours in December to 13½ hours in June.

Where Hanoi sits

Asia/Bangkok

this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
21.0°Nnorthern hemisphere
Above the sea
10 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
6:36 AM6:27 AM6:06 AM5:38 AM5:19 AM5:15 AM5:23 AM5:35 AM5:43 AM5:51 AM6:07 AM6:26 AMsets 5:35 PMsets 5:54 PMsets 6:06 PMsets 6:15 PMsets 6:26 PMsets 6:39 PMsets 6:41 PMsets 6:28 PMsets 6:01 PMsets 5:33 PMsets 5:16 PMsets 5:18 PM
Nearest of ours
Bãi Cháy124 km east

The land around Hanoi, shaded by its typical high in January, the planning map's own layer.The land around Hanoi, shaded by its typical high in February, the planning map's own layer.The land around Hanoi, shaded by its typical high in March, the planning map's own layer.The land around Hanoi, shaded by its typical high in April, the planning map's own layer.The land around Hanoi, shaded by its typical high in May, the planning map's own layer.The land around Hanoi, shaded by its typical high in June, the planning map's own layer.The land around Hanoi, shaded by its typical high in July, the planning map's own layer.The land around Hanoi, shaded by its typical high in August, the planning map's own layer.The land around Hanoi, shaded by its typical high in September, the planning map's own layer.The land around Hanoi, shaded by its typical high in October, the planning map's own layer.The land around Hanoi, shaded by its typical high in November, the planning map's own layer.The land around Hanoi, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 71°F in January to 94°F in June and July.Highs from 22°C in January to 34°C in June and July.

Chance of a wet day

Wettest in August (80% of days), driest in December (23%).

Cloud cover

Clearest in March (42% cover), cloudiest in June (85%).

Daylight

From 10h 52m in December to 13h 23m in June.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C

Hanoi, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryCool seasonAt its best
56°13°71°22°
2 days46%11h 00m
FebruaryCool seasonAt its best
58°14°73°23°
2 days44%11h 25m
March
64°18°79°26°
3 days42%12h 00m
April
70°21°86°30°
3 days50%12h 37m
MayHot season
76°24°91°33°
4 days70%13h 08m
JuneHot season
79°26°94°34°
4 days85%13h 23m
JulyHot season
79°26°94°34°
5 days83%13h 16m
AugustHot season
78°26°92°33°
6 days82%12h 49m
SeptemberHot season
76°24°90°32°
5 days74%12h 13m
October
72°22°87°31°
3 days57%11h 37m
NovemberAt its best
65°18°81°27°
2 days47%11h 07m
DecemberCool seasonAt its best
57°14°73°23°
2 days46%10h 52m

When is the best time to visit Hanoi?


The best months are November to February: highs near 74°F, nights near 59°F, and rain on about two days a week.The best months are November to February: highs near 23°C, nights near 15°C, and rain on about two days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions


What is the warmest month in Hanoi?

June and July, with highs near 94°F and lows near 79°F. The coolest is January, with highs near 71°F.June and July, with highs near 34°C and lows near 26°C. The coolest is January, with highs near 22°C.

When does it rain most in Hanoi?

August, with rain on about six days a week. December is the driest, with rain on about two days a week.

How long are the days in Hanoi?

From about 11 hours in December to 13½ hours in June.

When are the skies clearest in Hanoi?

March, when cloud covers about 42% of the sky on average. June is the cloudiest, at about 85%.

Places with a year like Hanoi's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Hanoi's through the year, one place a country. “Six months apart”: their winter is Hanoi's summer.

Elsewhere in Vietnam

All of Vietnam

Where to stay

2 in our collection

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Hanoi. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.