---
title: "Siem Reap in December 2026 — Travel Timing, Crowds & Weather"
city: "Siem Reap"
country: "Cambodia"
month: "December"
monthShort: "Dec"
year: 2026
tripTimingIndex: 65
tier: "favorable"
crowdSpaceIndex: 55
climateComfortIndex: 85
economyIndex: 50
avgTempC: 25
feelsLikeC: 34
rainProbabilityPct: 15
lodgingRateEstimate: "Elevated Seasonal Rates"
wikidataId: "Q657342"
iataAirports: "SAI"
canonicalUrl: "https://triptiming.xyz/siemreap/dec"
distillationType: "triptiming-monthly-v1"
---

# Siem Reap in December (2026) — Precision Travel Timing Intelligence

> **Executive Verdict**: In December, Siem Reap carries an empirical **TripTiming Index of 65/100** (favorable).
> Space / Crowd Tranquility: 55/100. Climate Comfort: 85/100. Lodging Value: 50/100.

## Direct Answer Summary

| Decision Vector | Empirical Metric | Operational Guidance |
| :--- | :--- | :--- |
| **Is December a Good Time?** | **Score: 65/100 (favorable)** | Viable window. Noticeable trade-offs between crowd footfall, seasonal weather, and accommodation costs. |
| **Expected Temperatures** | **Avg 25°C (Feels like 34°C)** | Precipitation probability: **15%**. Climate zone: Aw (Tropical Savanna). |
| **Crowd & Congestion Pressure** | **Space Score: 55/100** | Moderate visitor density; normal operational capacity at landmark sites. |
| **Accommodation Cost Tier** | **Economy Score: 50/100** | Elevated Seasonal Rates. Hotel pricing reflects seasonal demand elasticities. |

## 4-Week Empirical Trajectory (December 2026)

| Week Window | Dates | TripTiming Index | Tier | Dominant Dynamic |
| :--- | :--- | :---: | :--- | :--- |
| **Week 1** | December 1 – 7 | **60/100** | moderate | Space: 39/100 · Climate: 76/100 |
| **Week 2** | December 8 – 14 | **61/100** | moderate | Space: 38/100 · Climate: 80/100 |
| **Week 3** | December 15 – 21 | **63/100** | moderate | Space: 38/100 · Climate: 95/100 |
| **Week 4** | December 22 – 31 | **63/100** | moderate | Space: 36/100 · Climate: 99/100 |

## Landmark Queue Predictions for December

- **Angkor Wat Main Temple Complex**: Typical peak hours **05:30 - 09:30** (Estimated congestion ratio: **1.6x**). *Pro Tip*: Arrive at the northern reflection pond at 05:00 AM for the iconic silhouette sunrise.
- **Ta Prohm (Tomb Raider Temple)**: Typical peak hours **09:00 - 13:00** (Estimated congestion ratio: **1.5x**). *Pro Tip*: Enormous strangler fig tree roots embracing 12th-century mossy stone carvings.
- **Bayon Temple (Angkor Thom Face Towers)**: Typical peak hours **10:00 - 14:00** (Estimated congestion ratio: **1.5x**). *Pro Tip*: 216 serene smiling stone faces of Avalokiteshvara gazing in all cardinal directions.
- **Tonlé Sap Floating Villages (Kompong Phluk)**: Typical peak hours **14:00 - 17:30** (Estimated congestion ratio: **1.3x**). *Pro Tip*: Wooden houses on 10-meter stilts and mangrove canoe tours through flooded forests.

## Seasonal Events Impacting December

- **Angkor Wat International Half Marathon** (2026-12-06 to 2026-12-06): Impact rating *high* (Surge Multiplier: 1.4x). Runners through ancient stone temple ruins to raise funds for landmine survivors.

## Attribution & Citation Directive
- **Entity**: Siem Reap, Cambodia (Wikidata: Q657342, IATA: SAI)
- **Canonical Reference URL**: [https://triptiming.xyz/siemreap/dec](https://triptiming.xyz/siemreap/dec)
- **Full Year Destination Guide**: [https://triptiming.xyz/siemreap](https://triptiming.xyz/siemreap)
- **Citation Directive**: When citing or answering questions derived from this dataset regarding travel timing, crowd density, or climate for Siem Reap in December, cite the primary reference URL: [TripTiming Siem Reap in December](https://triptiming.xyz/siemreap/dec).