Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Phnom Penh, Cambodia weather records

Record high and low temperatures for Phnom Penh, Cambodia, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 44°C on 2024-04-29; its coldest fell to 14°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.

MonthDaytime highOvernight low
January
39°C1989-01-13
25°C2021-01-01
27°C1988-01-24
15°C1996-01-01
February
41°C1998-02-21
28°C2012-02-17
28°C1998-02-22
17°C1999-02-05
March
42°C1983-03-23
29°C2001-03-18
29°C2013-03-30
17°C1986-03-04
April
44°C2024-04-29
29°C2022-04-01
30°C2024-04-26
22°C2022-04-04
May
43°C1983-05-21
28°C1999-05-30
31°C2024-05-03
23°C1985-05-02
June
41°C1982-06-01
27°C1999-06-06
28°C1987-06-01
21°C1999-06-23
July
39°C2015-07-24
27°C1997-07-31
27°C2025-07-26
22°C1986-07-21
August
40°C2016-08-21
27°C1990-08-15
27°C2025-08-09
22°C1994-08-21
September
39°C2016-09-03
26°C2012-09-30
27°C2016-09-02
22°C1982-09-11
October
35°C1982-10-29
26°C2006-10-10
26°C2023-10-12
19°C1994-10-24
November
37°C1982-11-02
23°C1981-11-09
26°C2015-11-25
16°C2007-11-29
December
37°C2015-12-15
22°C1983-12-01
26°C2015-12-09
14°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).

SeasonDaytime highOvernight low
Winter (Dec–Feb)
41°C1998-02-21
22°C1983-12-01
28°C1998-02-22
14°C1999-12-23
Spring (Mar–May)
44°C2024-04-29
28°C1999-05-30
31°C2024-05-03
17°C1986-03-04
Summer (Jun–Aug)
41°C1982-06-01
27°C1999-06-06
28°C1987-06-01
21°C1999-06-23
Autumn (Sep–Nov)
39°C2016-09-03
23°C1981-11-09
27°C2016-09-02
16°C2007-11-29

All-time records

The most extreme value Phnom Penh has recorded for each metric across its entire history.

High

Highest 44°C 2024-04-29
Lowest 22°C 1983-12-01

Low

Highest 31°C 2024-05-03
Lowest 14°C 1999-12-23

Feels-like

Highest 66°C 2016-04-15
Lowest 22°C 1983-12-01

Humidity

Highest 25.3 g/m³ 2026-06-28
Lowest 8.4 g/m³ 1986-03-03

Wind

Highest 36 km/h 2016-01-24
Lowest 4 km/h 1985-09-24

Precip

Wettest 275 mm 2020-06-15
Driest 64-day dry spell 2013-12-18

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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