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Phnom Penh 2026 lodging heat

20262027

Phnom Penh shows a fairly mild monthly swing: sample heat runs higher around Oct–Dec, softer around Jul–Sep (monthly sample means about 1.0–1.2). Water Festival and wet/dry transitions hit Phnom Penh hardest. Index ≈ each hotel’s off-peak baseline—not a live city-wide rate.

City:

January

2 public holidays
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
01-01New Year's DayHigh01-07Victory over Genocide DayLow

February

No public holidays this month
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

March

1 public holidays
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
03-08International Women's DayLow

April

1 public holidays
3-day weekend4/14–4/16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
04-14 to 04-16Khmer New YearHigh

May

4 public holidays
3-day weekend5/1–5/3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
05-01Labour DayMedium05-01Visak Bochea DayMedium05-05Royal Ploughing CeremonyLow
1 moreShow less
05-14King Sihamoni's BirthdayHigh

June

1 public holidays
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
06-18Queen Mother's BirthdayLow

July

No public holidays this month
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

August

No public holidays this month
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

September

1 public holidays
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
09-24Constitution DayLow

October

3 public holidays
3-day weekend10/10–10/12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
10-10 to 10-12Pchum BenLow10-15Commemoration Day of the King's FatherHigh10-29Coronation Day of King SihamoniHigh

November

2 public holidays · 1 Festival
3-day weekend11/7–11/95-day break11/21–11/25
1
2
3
4
5
6
7
8
9
10
11
12
131.3
14
151.4
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
11-09National Independence DayHigh11-23 to 11-25Phnom Penh Water Festival (Bon Om Touk)Phnom PenhFestivalHigh11-23 to 11-25Water FestivalHigh

December

1 public holidays
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
211.3
22
23
24
25
26
27
281.3
29
30
31
12-29Cambodia Peace DayLow

Index ≈ 1.0 is each hotel’s sample off-peak baseline; shown when >1.2. Sampled reference, not live city-wide rates