Travel guide
Climate Guide or Live Forecast? Match the Information to the Decision
Climate describes longer-term patterns; a forecast addresses a defined period. WMO's climate material emphasises long-term observation. For travel, the distinction is practical: choosing a broad holiday window and deciding whether to take tomorrow's boat are different questions.

Illustrative photo: a rainy day in Da Lat, not a weather forecast.
Mạnh Ngô · Unsplash License · Resized and converted to WebP
When comparing months, use regional context and note which place the guide actually covers. Do not turn an attractive seasonal description into a promise for your booked dates. Keep the initial itinerary flexible enough to change the outdoor portions without losing every useful activity.
For a dated forecast, check the issuing source, publication time, valid period and location. An old screenshot or a nearby city's forecast should not silently become a local current report. Read any applicable official warning and confirm operation with the actual provider; a weather icon is not a sailing decision.
If current information is unavailable, say what remains unverified and continue planning the parts that do not depend on it. Keep an alternative and a time to recheck, not an invented rainfall number. VietnamGuide can organise the decision but should not describe stored seasonal material as live weather.
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- 1. wmo.int/themes/climate
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