Nghe An is a coastal province located in central Vietnam, situated along the Gulf of Tonkin. The province experiences a tropical monsoon climate characterized by warm temperatures throughout the year and distinct wet and dry seasons. Monthly average temperatures range from 16.6°C in January to 28.5°C in June. The region receives approximately 1,695mm of annual precipitation, with the heaviest rainfall occurring from July through September, when monthly totals exceed 270mm. August is the wettest month, receiving 305mm of rain across 23 rainy days. The cooler, drier months span from November through April, making this period the most favorable for travel planning. Nghe An's geography places it within Vietnam's central coastal region, characterized by tropical monsoon influences from the Gulf of Tonkin.
Updated 2026-05-04 · Source: GeoNames, Wikipedia
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Weather data by Open-Meteo.com
Monthly normals (10-year window). Bars show precipitation, lines show average and max temperature.
Best months to visit: Feb, Mar, Apr, Nov
Nghe An experiences a tropical monsoon climate with significant seasonal variation in precipitation. The warm season extends from May through September, with average temperatures peaking at 28.5°C in June and maximum temperatures reaching 33.5°C. The cooler dry season runs from October through April, with January representing the coldest month at an average of 16.6°C. Rainfall is highly concentrated in the monsoon months: July through September collectively account for approximately 857mm, or roughly 50% of annual precipitation. August stands out as the wettest month with 305mm across 23 rainy days. In contrast, the transition months of January and December each receive only 37–38mm. Spring months (March–April) show moderate rainfall between 55–90mm, while autumn months see a sharp increase from 162mm in May to peak levels in the monsoon core.
The optimal travel window for Nghe An spans February through April and November through December. These months combine comfortable temperatures with minimal rainfall. February through April offers warming trends from 17.8°C to 24.6°C with rainfall declining through the period. November shows pleasant conditions at 21°C average temperature with 77mm of rain across 11 days. December maintains similar comfort levels at 16.9°C average. The monsoon season from July through September brings intense rainfall and frequent rainy days (20–23 per month), making outdoor travel less practical. May and June transition toward the wet season, though temperatures remain warm at 27–28.5°C. January, while drier, is the coolest month. Overall, late winter through spring (February–April) and early autumn (November) provide the best balance of manageable rainfall and temperate conditions.

Nghe An's climate divides into three distinct phases. The cool dry season (November–February) features temperatures from 16.6–21°C with light precipitation of 36–77mm monthly. This period benefits from northeast monsoon influence, bringing stable weather conditions. The warm dry-to-transition season (March–April) shows rapid temperature increase from 21.8–24.6°C as south-southwest winds begin to strengthen, with moderate rainfall of 55–90mm. The hot monsoon season (May–September) dominates the year's precipitation budget, generating 847mm across five months. May begins the wet period with 162mm; June adds 141mm as temperatures peak; July through September are the core monsoon months with 276–305mm each. October marks the transition back toward drier conditions, with 202mm rainfall still present. The seasonal pattern reflects the classic Vietnamese central coast monsoon dynamic, where summer months concentrate extreme precipitation and the winter half-year remains substantially drier.
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Geographic data from GeoNames (CC BY 4.0). Narrative sourced from Wikipedia (CC BY-SA 4.0) and structured by Claude. Map by © OpenStreetMap contributors (ODbL). See the methodology and sources registry for full attribution and update cadence.
This page last refreshed 2026-05-04.
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