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Siem Reap

Cambodia · Southeast Asia

CityLuxury

Year-round range: 71°F to 94°F

Best months to visit:

December

Excellent conditions this month

Partly sunnyVery dryHot afternoonsHumid
87
/100
Temperature
Warm
86°F
Precipitation
Minimal
1 days
Sunshine
Sunny
6.5h/day
Air comfort
Humid
🌧️Rainy season runs May–Oct (6 months).

Your monthly fit score

Comfort fit by month.

Climate details▼

Temperature

Average highs and lows.

December is warm and sunny — good beach and outdoor weather.

Typical rangeAvg highAvg low

Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.

| = Dec

Rainfall

Monthly rain and rain days.

December is one of the driest months — very little rain expected.

in totalwet-day risk

Sunshine

Average hours of bright sun per day.

December has decent sunshine — a mix of sun and cloud.

Sun hoursCloud cover

Clear sky

CloudierClearer

Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.

Air comfort by month

Humidity and heat feel by month.

December is mostly comfortable — low heat and humidity pressure.

Comfortable airWarmHotMuggyOppressive

Time-of-day patterns

Typical hourly rhythm for December.

Temperature by hour

Morning
8 AM – 12 PM
78°F
Mid-day
12 PM – 3 PM
85°F
Best window
Afternoon
3 PM – 6 PM
85°F
Evening
6 PM – 10 PM
81°F
Rain chance
—
—
—
—
Cloud cover
52%
52%
54%
55%
Humidity
0%
0%
0%
0%
🌙 Overnight76°F

Temperature by hour and month

Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.

In December, afternoons reach about 86° and nights settle near 74°.

January 12 AM - 77° (Warm) - NighttimeJanuary 1 AM - 76° (Warm) - NighttimeJanuary 2 AM - 76° (Warm) - NighttimeJanuary 3 AM - 75° (Comfortable) - NighttimeJanuary 4 AM - 74° (Comfortable) - NighttimeJanuary 5 AM - 73° (Comfortable) - NighttimeJanuary 6 AM - 73° (Comfortable) - NighttimeJanuary 7 AM - 73° (Comfortable)January 8 AM - 74° (Comfortable)January 9 AM - 78° (Warm)January 10 AM - 81° (Warm)January 11 AM - 82° (Warm)January 12 PM - 85° (Hot)January 1 PM - 86° (Hot)January 2 PM - 86° (Hot)January 3 PM - 87° (Hot)January 4 PM - 87° (Hot)January 5 PM - 84° (Warm)January 6 PM - 83° (Warm)January 7 PM - 82° (Warm) - NighttimeJanuary 8 PM - 82° (Warm) - NighttimeJanuary 9 PM - 80° (Warm) - NighttimeJanuary 10 PM - 79° (Warm) - NighttimeJanuary 11 PM - 78° (Warm) - NighttimeFebruary 12 AM - 80° (Warm) - NighttimeFebruary 1 AM - 80° (Warm) - NighttimeFebruary 2 AM - 79° (Warm) - NighttimeFebruary 3 AM - 78° (Warm) - NighttimeFebruary 4 AM - 77° (Warm) - NighttimeFebruary 5 AM - 76° (Warm) - NighttimeFebruary 6 AM - 76° (Warm) - NighttimeFebruary 7 AM - 76° (Warm)February 8 AM - 76° (Warm)February 9 AM - 81° (Warm)February 10 AM - 84° (Warm)February 11 AM - 84° (Hot)February 12 PM - 88° (Hot)February 1 PM - 88° (Hot)February 2 PM - 89° (Hot)February 3 PM - 90° (Hot)February 4 PM - 91° (Hot)February 5 PM - 87° (Hot)February 6 PM - 86° (Hot)February 7 PM - 86° (Hot)February 8 PM - 85° (Hot) - NighttimeFebruary 9 PM - 83° (Warm) - NighttimeFebruary 10 PM - 82° (Warm) - NighttimeFebruary 11 PM - 82° (Warm) - NighttimeMarch 12 AM - 83° (Warm) - NighttimeMarch 1 AM - 82° (Warm) - NighttimeMarch 2 AM - 82° (Warm) - NighttimeMarch 3 AM - 81° (Warm) - NighttimeMarch 4 AM - 80° (Warm) - NighttimeMarch 5 AM - 80° (Warm) - NighttimeMarch 6 AM - 79° (Warm) - NighttimeMarch 7 AM - 80° (Warm)March 8 AM - 80° (Warm)March 9 AM - 84° (Hot)March 10 AM - 87° (Hot)March 11 AM - 88° (Hot)March 12 PM - 91° (Hot)March 1 PM - 91° (Hot)March 2 PM - 92° (Hot)March 3 PM - 93° (Hot)March 4 PM - 93° (Hot)March 5 PM - 89° (Hot)March 6 PM - 89° (Hot)March 7 PM - 88° (Hot)March 8 PM - 88° (Hot) - NighttimeMarch 9 PM - 86° (Hot) - NighttimeMarch 10 PM - 85° (Hot) - NighttimeMarch 11 PM - 84° (Hot) - NighttimeApril 12 AM - 83° (Warm) - NighttimeApril 1 AM - 83° (Warm) - NighttimeApril 2 AM - 83° (Warm) - NighttimeApril 3 AM - 82° (Warm) - NighttimeApril 4 AM - 81° (Warm) - NighttimeApril 5 AM - 81° (Warm) - NighttimeApril 6 AM - 81° (Warm)April 7 AM - 81° (Warm)April 8 AM - 82° (Warm)April 9 AM - 86° (Hot)April 10 AM - 89° (Hot)April 11 AM - 89° (Hot)April 12 PM - 92° (Hot)April 1 PM - 92° (Hot)April 2 PM - 93° (Hot)April 3 PM - 93° (Hot)April 4 PM - 93° (Hot)April 5 PM - 90° (Hot)April 6 PM - 89° (Hot)April 7 PM - 88° (Hot)April 8 PM - 88° (Hot) - NighttimeApril 9 PM - 86° (Hot) - NighttimeApril 10 PM - 85° (Hot) - NighttimeApril 11 PM - 85° (Hot) - NighttimeMay 12 AM - 83° (Warm) - NighttimeMay 1 AM - 83° (Warm) - NighttimeMay 2 AM - 82° (Warm) - NighttimeMay 3 AM - 82° (Warm) - NighttimeMay 4 AM - 81° (Warm) - NighttimeMay 5 AM - 82° (Warm) - NighttimeMay 6 AM - 82° (Warm)May 7 AM - 82° (Warm)May 8 AM - 82° (Warm)May 9 AM - 86° (Hot)May 10 AM - 88° (Hot)May 11 AM - 89° (Hot)May 12 PM - 91° (Hot)May 1 PM - 91° (Hot)May 2 PM - 92° (Hot)May 3 PM - 91° (Hot)May 4 PM - 91° (Hot)May 5 PM - 87° (Hot)May 6 PM - 87° (Hot)May 7 PM - 87° (Hot)May 8 PM - 86° (Hot) - NighttimeMay 9 PM - 85° (Hot) - NighttimeMay 10 PM - 84° (Hot) - NighttimeMay 11 PM - 84° (Warm) - NighttimeJune 12 AM - 82° (Warm) - NighttimeJune 1 AM - 82° (Warm) - NighttimeJune 2 AM - 82° (Warm) - NighttimeJune 3 AM - 81° (Warm) - NighttimeJune 4 AM - 81° (Warm) - NighttimeJune 5 AM - 81° (Warm) - NighttimeJune 6 AM - 81° (Warm)June 7 AM - 81° (Warm)June 8 AM - 82° (Warm)June 9 AM - 85° (Hot)June 10 AM - 87° (Hot)June 11 AM - 88° (Hot)June 12 PM - 90° (Hot)June 1 PM - 91° (Hot)June 2 PM - 91° (Hot)June 3 PM - 90° (Hot)June 4 PM - 89° (Hot)June 5 PM - 86° (Hot)June 6 PM - 86° (Hot)June 7 PM - 86° (Hot)June 8 PM - 85° (Hot) - NighttimeJune 9 PM - 84° (Hot) - NighttimeJune 10 PM - 83° (Warm) - NighttimeJune 11 PM - 83° (Warm) - NighttimeJuly 12 AM - 81° (Warm) - NighttimeJuly 1 AM - 81° (Warm) - NighttimeJuly 2 AM - 81° (Warm) - NighttimeJuly 3 AM - 80° (Warm) - NighttimeJuly 4 AM - 80° (Warm) - NighttimeJuly 5 AM - 80° (Warm) - NighttimeJuly 6 AM - 80° (Warm)July 7 AM - 80° (Warm)July 8 AM - 81° (Warm)July 9 AM - 84° (Warm)July 10 AM - 86° (Hot)July 11 AM - 87° (Hot)July 12 PM - 89° (Hot)July 1 PM - 89° (Hot)July 2 PM - 89° (Hot)July 3 PM - 89° (Hot)July 4 PM - 88° (Hot)July 5 PM - 85° (Hot)July 6 PM - 85° (Hot)July 7 PM - 85° (Hot)July 8 PM - 84° (Hot) - NighttimeJuly 9 PM - 83° (Warm) - NighttimeJuly 10 PM - 82° (Warm) - NighttimeJuly 11 PM - 82° (Warm) - NighttimeAugust 12 AM - 81° (Warm) - NighttimeAugust 1 AM - 81° (Warm) - NighttimeAugust 2 AM - 81° (Warm) - NighttimeAugust 3 AM - 80° (Warm) - NighttimeAugust 4 AM - 80° (Warm) - NighttimeAugust 5 AM - 80° (Warm) - NighttimeAugust 6 AM - 80° (Warm) - NighttimeAugust 7 AM - 80° (Warm)August 8 AM - 81° (Warm)August 9 AM - 84° (Warm)August 10 AM - 86° (Hot)August 11 AM - 87° (Hot)August 12 PM - 89° (Hot)August 1 PM - 89° (Hot)August 2 PM - 89° (Hot)August 3 PM - 89° (Hot)August 4 PM - 88° (Hot)August 5 PM - 85° (Hot)August 6 PM - 85° (Hot)August 7 PM - 84° (Hot)August 8 PM - 84° (Warm) - NighttimeAugust 9 PM - 83° (Warm) - NighttimeAugust 10 PM - 82° (Warm) - NighttimeAugust 11 PM - 82° (Warm) - NighttimeSeptember 12 AM - 80° (Warm) - NighttimeSeptember 1 AM - 80° (Warm) - NighttimeSeptember 2 AM - 80° (Warm) - NighttimeSeptember 3 AM - 79° (Warm) - NighttimeSeptember 4 AM - 79° (Warm) - NighttimeSeptember 5 AM - 79° (Warm) - NighttimeSeptember 6 AM - 79° (Warm) - NighttimeSeptember 7 AM - 79° (Warm)September 8 AM - 80° (Warm)September 9 AM - 83° (Warm)September 10 AM - 85° (Hot)September 11 AM - 85° (Hot)September 12 PM - 87° (Hot)September 1 PM - 87° (Hot)September 2 PM - 88° (Hot)September 3 PM - 87° (Hot)September 4 PM - 86° (Hot)September 5 PM - 83° (Warm)September 6 PM - 83° (Warm)September 7 PM - 83° (Warm)September 8 PM - 83° (Warm) - NighttimeSeptember 9 PM - 82° (Warm) - NighttimeSeptember 10 PM - 81° (Warm) - NighttimeSeptember 11 PM - 81° (Warm) - NighttimeOctober 12 AM - 79° (Warm) - NighttimeOctober 1 AM - 79° (Warm) - NighttimeOctober 2 AM - 79° (Warm) - NighttimeOctober 3 AM - 78° (Warm) - NighttimeOctober 4 AM - 78° (Warm) - NighttimeOctober 5 AM - 78° (Warm) - NighttimeOctober 6 AM - 78° (Warm) - NighttimeOctober 7 AM - 78° (Warm)October 8 AM - 79° (Warm)October 9 AM - 82° (Warm)October 10 AM - 84° (Hot)October 11 AM - 85° (Hot)October 12 PM - 87° (Hot)October 1 PM - 87° (Hot)October 2 PM - 87° (Hot)October 3 PM - 87° (Hot)October 4 PM - 87° (Hot)October 5 PM - 83° (Warm)October 6 PM - 83° (Warm)October 7 PM - 83° (Warm) - NighttimeOctober 8 PM - 82° (Warm) - NighttimeOctober 9 PM - 81° (Warm) - NighttimeOctober 10 PM - 80° (Warm) - NighttimeOctober 11 PM - 80° (Warm) - NighttimeNovember 12 AM - 78° (Warm) - NighttimeNovember 1 AM - 78° (Warm) - NighttimeNovember 2 AM - 78° (Warm) - NighttimeNovember 3 AM - 77° (Warm) - NighttimeNovember 4 AM - 76° (Warm) - NighttimeNovember 5 AM - 76° (Warm) - NighttimeNovember 6 AM - 76° (Warm) - NighttimeNovember 7 AM - 76° (Warm)November 8 AM - 77° (Warm)November 9 AM - 81° (Warm)November 10 AM - 83° (Warm)November 11 AM - 84° (Warm)November 12 PM - 86° (Hot)November 1 PM - 87° (Hot)November 2 PM - 87° (Hot)November 3 PM - 87° (Hot)November 4 PM - 87° (Hot)November 5 PM - 83° (Warm)November 6 PM - 82° (Warm)November 7 PM - 82° (Warm) - NighttimeNovember 8 PM - 82° (Warm) - NighttimeNovember 9 PM - 81° (Warm) - NighttimeNovember 10 PM - 80° (Warm) - NighttimeNovember 11 PM - 80° (Warm) - NighttimeDecember 12 AM - 76° (Warm) - NighttimeDecember 1 AM - 76° (Warm) - NighttimeDecember 2 AM - 75° (Warm) - NighttimeDecember 3 AM - 74° (Comfortable) - NighttimeDecember 4 AM - 74° (Comfortable) - NighttimeDecember 5 AM - 73° (Comfortable) - NighttimeDecember 6 AM - 73° (Comfortable) - NighttimeDecember 7 AM - 73° (Comfortable)December 8 AM - 73° (Comfortable)December 9 AM - 78° (Warm)December 10 AM - 81° (Warm)December 11 AM - 81° (Warm)December 12 PM - 84° (Hot)December 1 PM - 85° (Hot)December 2 PM - 85° (Hot)December 3 PM - 86° (Hot)December 4 PM - 86° (Hot)December 5 PM - 82° (Warm)December 6 PM - 81° (Warm)December 7 PM - 81° (Warm) - NighttimeDecember 8 PM - 81° (Warm) - NighttimeDecember 9 PM - 79° (Warm) - NighttimeDecember 10 PM - 78° (Warm) - NighttimeDecember 11 PM - 78° (Warm) - Nighttime12 AM6 AM12 PM6 PM11 PMJanFebMarAprMayJunJulAugSepOctNovDec
ComfortableWarmHotNighttime
▶Full month-by-month data
MonthHigh °FLow °FRain daysRain (in)Sun h/dayHumidity
Jan88°F71°F10.5in7.9h61.28571428571428%
Feb91°F74°F20.8in8.7h59.42857142857142%
Mar93°F78°F61.8in8.2h62%
Apr94°F79°F93.2in6.7h67.28571428571428%
May92°F79°F185.7in4.1h74.99999999999999%
Jun90°F79°F216.4in3h77.57142857142856%
Jul88°F78°F258.0in2.8h80%
Aug88°F78°F247.9in2.6h80.71428571428572%
Sep87°F76°F2810in2.3h84.99999999999999%
Oct86°F75°F236.3in4h83.71428571428571%
Nov86°F73°F71.9in6.3h75.42857142857142%
Dec86°F71°F10.4in6.7h66.14285714285714%

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