El Niño Observatory
El Niño conditions are present and being monitored · Niño 3.4 +1.3 °C

El Niño Observatory Monitored cities Siem Reap Siem Reap

El Niño in Siem ReapSiem Reap · Cambodia

Current El Niño risk

Attention level: ModerateWarning · Drought / heat / fire riskDrought-prone zone; the rain in this forecast eases short-term pressure

Siem Reap is inside the projected impact zone Mainland Southeast Asia.

Documented El Niño droughts hit the Mekong basin: low rivers, saltwater intrusion in the delta, rice and water stress in Thailand, Vietnam, Cambodia and Laos.

Next 14 days in Siem Reap

12 of the next 14 days show a 60%+ chance of rain; 0 with heavy rain.

% is the chance of rain that day. The word shows how strong that rain should be. Tap a day for details.

Areas with drought and water-shortage history in Siem Reap

Siem Reap city center and Zone 1

Siem Reap city center and Zone 1

Severe dry-season shortages and peak-season rationing risks; major supply pressure from tourism

APSARA area near Angkor temples

APSARA area near Angkor temples

Groundwater competition with hotels and temples causes recurring water stress

108 villages in 13 communes of Siem Reap city

108 villages in 13 communes of Siem Reap city

Official water-supply reports cite citywide shortages affecting all villages

Rural communities along the Siem Reap River

Rural communities along the Siem Reap River

Studies report dry-season access problems and reliance on groundwater

Siem Reap river basin outskirts

Siem Reap river basin outskirts

Public basin assessments say water shortages worsen outside the wet season

Dry-season fringe areas near forested temple zones

Dry-season fringe areas near forested temple zones

Hot, dry season raises wildfire risk in nearby forested areas

Sources: [1] [2] [3] [4] · Images: Google Street View. They show the street on a normal day, not during a flood. AI-generated list using web search (Perplexity Sonar) from news and public sources. Use as a starting reference, not an official risk map.

What you should do

  • Store drinking water and cut non-essential use now, before restrictions arrive.
  • Never burn waste or vegetation: fire risk is sharply elevated in dry spells.
  • If you depend on agriculture, plan for reduced rainfall this season.
  • Watch for water-rationing announcements from your utility.
  • Always follow your national meteorological service and local civil defense. Their warnings override anything on this page.

Emergency kit: what to have ready

Emergency numbers

Numbers are national defaults; some regions use local variants. Confirm with local authorities.

Official monitoring agencies

NOAA Climate Prediction Center

Global ENSO reference

Visit

IRI, Columbia University

Global ENSO reference

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Get alerts for your city

We watch the data so you don't have to. Get an email when a flood signal or a major El Niño change affects your area.

Frequently asked questions

Is Siem Reap affected by El Niño?

Yes. Siem Reap sits in the documented impact zone Mainland Southeast Asia: Documented El Niño droughts hit the Mekong basin: low rivers, saltwater intrusion in the delta, rice and water stress in Thailand, Vietnam, Cambodia and Laos.

Will it rain in Siem Reap in the coming days?

The current 14-day forecast shows 12 days with a 60%+ chance of rain and 0 days with heavy rain. Probabilities update every 6 hours.

What should residents of Siem Reap do?

Store drinking water and cut non-essential use now, before restrictions arrive. Never burn waste or vegetation: fire risk is sharply elevated in dry spells. Always follow your national meteorological service and local civil defense. Their warnings override anything on this page.

Other cities in Cambodia

Phnom Penh

Data refreshes every 6 hours. Forecast: Open-Meteo. Zone risk: NOAA data and documented El Niño patterns.

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