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Siem Reap in January: weather & travel advice

This month's data profile

Strong month under the current formula

Siem Reap in January is climatically mixed. The average daily high is around 34 °C. With about 3 rainy days it is very dry.

Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.

Rank among 12 monthly averages

65/100 · #3

Warmth

#5

Dryness

#2

Sun

#7

Published best categories: Overall, City break, Active, Family

Street scene in Siem ReapSiem Reap · JanuaryPhoto: Bahnfrend · CC BY-SA 4.0

Climate facts

Average high
34 °C
Average low
21 °C
Rainy days (est.)
3 rainy days (est.)
Sun (est.)
6 h/day
Humidity
57 %

Climate evidence with direct month comparison

The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.

Climate averages for Siem Reap: selected and adjacent months
MonthAvg high °CAvg low °CRainy days (est.)Precipitation mmSun h/day (est.)Humidity %Wind m/sScore
December3220266.0671.769
January (selected)34213106.4571.565
February36234196.8531.560

How do the previous and next months compare?

Baseline: January (65/100)

Positive and negative values show the change from the selected month.

Score ΔAverage high ΔAverage low ΔRainy days ΔRain ΔSun ΔHumidity ΔWind Δ
December+4-1.6 °C-0.4 °C-0.8-4.4 mm-0.4 h+9.3 %+0.2 m/s
February-5+2.1 °C+2.3 °C+1.5+8.8 mm+0.4 h-4.2 %-0.1 m/s

All twelve months in context

Average daily high°C
34
J
36
F
37
M
36
A
34
M
32
J
31
J
31
A
30
S
31
O
31
N
32
D
Rainy days (estimated)
3
J
4
F
8
M
13
A
22
M
23
J
26
J
25
A
26
S
19
O
7
N
2
D
Sunshine hours (estimated)h/day
6
J
7
F
7
M
7
A
7
M
7
J
7
J
6
A
6
S
6
O
6
N
6
D
Street scene in Siem Reap

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Where to stay in Siem Reap

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Useful next decisions

Siem Reap · Month by month

Frequently asked questions

How warm is Siem Reap in January?

The average daily high is around 34 °C, with an average daily low of about 21 °C.

Does it rain a lot in Siem Reap in January?

The curated estimate is about 3 rainy days per month, not a directly measured long-term average. Total precipitation averages around 10 mm for the month. A rainy day does not mean all-day rain.

When is the best time to visit Siem Reap?

By the climate score, January, February, November and December are the strongest months for Siem Reap. January is one of them.