Hanoi weather records
Record high and low temperatures for Hanoi, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 40°C on 2017-06-04; its coldest fell to 4°C on 1999-12-23.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 33°C1980-01-29
8°C2016-01-26
|
22°C2001-01-24
6°C2016-01-23
|
| February | 35°C2010-02-26
8°C2008-02-01
|
23°C2009-02-26
7°C1996-02-20
|
| March | 37°C1987-03-19
9°C1986-03-01
|
25°C1987-03-23
7°C1986-03-02
|
| April | 39°C2024-04-27
15°C1996-04-03
|
27°C2024-04-29
14°C1996-04-02
|
| May | 40°C2003-05-06
19°C1994-05-05
|
30°C2014-05-24
17°C1994-05-05
|
| June | 40°C2017-06-04
24°C1983-06-06
|
32°C2019-06-28
21°C2013-06-12
|
| July | 40°C1983-07-02
26°C2004-07-23
|
31°C2019-07-08
23°C1992-07-08
|
| August | 39°C2025-08-04
25°C2010-08-28
|
31°C2021-08-05
23°C1983-08-25
|
| September | 37°C1990-09-10
21°C1997-09-26
|
28°C2019-09-08
18°C1997-09-26
|
| October | 35°C2023-10-05
19°C2022-10-20
|
27°C1987-10-12
13°C2010-10-30
|
| November | 35°C1997-11-25
15°C2002-11-26
|
26°C2023-11-05
8°C1983-11-28
|
| December | 31°C1998-12-01
10°C1983-12-28
|
24°C2023-12-11
4°C1999-12-23
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 35°C2010-02-26
8°C2008-02-01
|
24°C2023-12-11
4°C1999-12-23
|
| Spring (Mar–May) | 40°C2003-05-06
9°C1986-03-01
|
30°C2014-05-24
7°C1986-03-02
|
| Summer (Jun–Aug) | 40°C2017-06-04
24°C1983-06-06
|
32°C2019-06-28
21°C2013-06-12
|
| Autumn (Sep–Nov) | 37°C1990-09-10
15°C2002-11-26
|
28°C2019-09-08
8°C1983-11-28
|
All-time records
The most extreme value Hanoi has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Gust
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.