Phnom Penh weather records
Record high and low temperatures for Phnom Penh, 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 2010-03-25; its coldest fell to 15°C on 1999-12-25.
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 | 37°C1998-01-28
24°C1993-01-27
|
27°C2016-01-19
16°C2014-01-23
|
| February | 38°C2013-02-26
26°C2026-02-27
|
27°C2013-02-27
19°C2018-02-06
|
| March | 40°C2010-03-25
27°C1989-03-06
|
28°C2013-03-30
18°C1986-03-03
|
| April | 40°C2013-04-06
28°C1985-04-30
|
29°C2024-04-27
22°C2022-04-02
|
| May | 40°C2019-05-01
27°C2006-05-20
|
30°C2016-05-08
24°C1985-05-20
|
| June | 40°C2003-06-16
27°C1983-06-25
|
29°C2024-06-06
22°C1999-06-21
|
| July | 39°C2015-07-24
26°C1992-07-25
|
29°C2015-07-04
23°C1984-07-22
|
| August | 39°C2012-08-11
27°C1984-08-31
|
28°C2016-08-18
23°C1980-08-03
|
| September | 37°C2015-09-07
26°C2011-09-23
|
28°C2024-09-06
23°C1996-09-20
|
| October | 36°C2002-10-17
26°C2010-10-31
|
27°C2024-10-02
21°C1991-10-30
|
| November | 35°C2004-11-14
22°C1988-11-07
|
26°C2023-11-13
18°C2007-11-28
|
| December | 36°C2002-12-31
21°C1998-12-14
|
26°C2015-12-08
15°C1999-12-25
|
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) | 38°C2013-02-26
21°C1998-12-14
|
27°C2013-02-27
15°C1999-12-25
|
| Spring (Mar–May) | 40°C2010-03-25
27°C1989-03-06
|
30°C2016-05-08
18°C1986-03-03
|
| Summer (Jun–Aug) | 40°C2003-06-16
26°C1992-07-25
|
29°C2024-06-06
22°C1999-06-21
|
| Autumn (Sep–Nov) | 37°C2015-09-07
22°C1988-11-07
|
28°C2024-09-06
18°C2007-11-28
|
All-time records
The most extreme value Phnom Penh 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.