Haikou weather

Hainan, China ·

Official warnings for this country are not available from our sources yet. Check your national meteorological service. Find official warnings

Current conditions in Haikou

Estimated current conditions

82°F

Cloudy

Feels like 88°F (heat index)

High 84°F · Low 73°F calc.

Sunrise 6:44 AM Sunset 6:02 PM Daylight 11 h 18 min (calculated)

Weather forecast from MET Norway, licensed under CC BY 4.0 · CC BY 4.0 · Valid 10:00 AM GMT+8 (3 min ago) · Forecast issued Sun, Nov 8, 9:17 AM GMT+8 · Retrieved just now

Forecast area: Model point 20.005, 110.321. Resolution: Global model grid (roughly 10 km outside the Nordic region). Not street-level accuracy.

Today

Next 24 hours

  1. 10 AM 82° — 0.00 in 16 mph ESE Cloudy
  2. 11 AM 84° — 0.01 in 16 mph E Rain
  3. 12 PM 84° — 0.01 in 19 mph E Rain
  4. 1 PM 83° — 0.01 in 21 mph E Showers
  5. 2 PM 82° — 0.03 in 21 mph E Showers
  6. 3 PM 82° — 0.01 in 21 mph ENE Showers
  7. 4 PM 81° — 0.01 in 21 mph ENE Showers
  8. 5 PM 79° — 0.00 in 21 mph E Partly cloudy
  9. 6 PM 78° — 0.00 in 21 mph ENE Partly cloudy
  10. 7 PM 78° — 0.00 in 20 mph E Partly cloudy
  11. 8 PM 77° — 0.00 in 21 mph ENE Partly cloudy
  12. 9 PM 77° — 0.00 in 20 mph E Partly cloudy
  13. 10 PM 76° — 0.01 in 20 mph E Showers
  14. 11 PM 74° — 0.10 in 18 mph ESE Showers
  15. 12 AM 73° — 0.04 in 18 mph ESE Showers
  16. 1 AM 74° — 0.01 in 19 mph ENE Showers
  17. 2 AM 74° — 0.03 in 17 mph E Showers
  18. 3 AM 72° — 0.02 in 16 mph E Rain
  19. 4 AM 75° — 0.01 in 24 mph NE Showers
  20. 5 AM 73° — 0.04 in 23 mph ENE Showers
  21. 6 AM 72° — 0.05 in 25 mph ENE Rain
  22. 7 AM 73° — 0.05 in 28 mph NE Rain
  23. 8 AM 74° — 0.02 in 30 mph NE Rain
  24. 9 AM 75° — 0.00 in 31 mph NE Rain

Weather forecast from MET Norway, licensed under CC BY 4.0 · CC BY 4.0

Details

Feels like

88°F

NWS heat-index formula (air ≥ 80°F/27°C, humidity ≥ 40%)

Precipitation total

0.17 in

Today, remaining hours · Forecast, summed by us · MET Norway (Norwegian Meteorological Institute)

Wind

16 mph ESE

Estimated 10:00 AM · MET Norway (Norwegian Meteorological Institute)

Humidity

77%

Estimated 10:00 AM · MET Norway (Norwegian Meteorological Institute)

Sea-level pressure

30.13 inHg

Estimated 10:00 AM · MET Norway (Norwegian Meteorological Institute)

UV index (clear-sky estimate)

5

Assumes no cloud; actual UV may be lower · MET Norway

Sunrise

6:44 AM

Calculated · SunCalc

Sunset

6:02 PM

Calculated · SunCalc

Day length

11 h 18 min

Calculated · sea-level horizon

Not available from this source right now: visibility, air quality (planned).

Tomorrow

Monday, Nov 9: Cloudy

High 76°F · Low 72°F

Weather forecast from MET Norway, licensed under CC BY 4.0 · CC BY 4.0

Next 3 Days

Next 3 days
DayConditionsHighLowPrecip. chancePrecip. totalWind
Sun, Nov 8 partial Rain 84°F73°F — 0.17 in 22 mph
Mon, Nov 9 Cloudy 76°F72°F — 0.28 in 31 mph
Tue, Nov 10 Partly cloudy 72°F67°F — 0.00 in 24 mph

High/low are calculated from forecast steps in local time (not provider daily extremes). Daily chance is the highest period chance. “Partial” days are not fully covered by the forecast.

Weather forecast from MET Norway, licensed under CC BY 4.0 · CC BY 4.0

Next 7 Days

Next 7 days
DayConditionsHighLowPrecip. chancePrecip. totalWind
Sun, Nov 8 partial Rain 84°F73°F — 0.17 in 22 mph
Mon, Nov 9 Cloudy 76°F72°F — 0.28 in 31 mph
Tue, Nov 10 Partly cloudy 72°F67°F — 0.00 in 24 mph
Wed, Nov 11 Cloudy 78°F69°F — 0.01 in 17 mph
Thu, Nov 12 partial Showers 80°F73°F — 0.17 in 11 mph
Fri, Nov 13 partial Rain 84°F72°F — 0.10 in 7 mph
Sat, Nov 14 partial Rain 81°F72°F — 0.37 in 5 mph

High/low are calculated from forecast steps in local time (not provider daily extremes). Daily chance is the highest period chance. “Partial” days are not fully covered by the forecast.

Weather forecast from MET Norway, licensed under CC BY 4.0 · CC BY 4.0

Full Outlook (10 days)

Full outlook: 10 days available, to Tue, Nov 17
DayConditionsHighLowPrecip. chancePrecip. totalWind
Sun, Nov 8 partial Rain 84°F73°F — 0.17 in 22 mph
Mon, Nov 9 Cloudy 76°F72°F — 0.28 in 31 mph
Tue, Nov 10 Partly cloudy 72°F67°F — 0.00 in 24 mph
Wed, Nov 11 Cloudy 78°F69°F — 0.01 in 17 mph
Thu, Nov 12 partial Showers 80°F73°F — 0.17 in 11 mph
Fri, Nov 13 partial Rain 84°F72°F — 0.10 in 7 mph
Sat, Nov 14 partial Rain 81°F72°F — 0.37 in 5 mph
Sun, Nov 15 partial Partly cloudy 85°F73°F — 0.06 in 5 mph
Mon, Nov 16 partial Showers 87°F73°F — 0.09 in 5 mph
Tue, Nov 17 partial Rain 78°F73°F — 0.24 in 14 mph

High/low are calculated from forecast steps in local time (not provider daily extremes). Daily chance is the highest period chance. “Partial” days are not fully covered by the forecast. Outlook ends Tue, Nov 17, the last day this provider publishes.

Weather forecast from MET Norway, licensed under CC BY 4.0 · CC BY 4.0

History

Daily history

Yesterday, last week and the same date in each of the past five years will appear here once the daily history archive for million-plus cities is published. The archive is being prepared and checked; until then no historical values are shown, rather than estimates.

Retained window once live: five calendar years ending yesterday (local time).

What to wear

  • Today

    • Light, breathable clothing Highs near 84°F.
    • Waterproof layer or umbrella Rain is likely: about 4.4 mm of precipitation.
    • Wind-resistant outer layer Wind up to 22 mph.
    • Sun protection: hat, sunglasses, sunscreen UV index 8 under clear skies (estimate).
  • Mon, Nov 9

    • Waterproof layer or umbrella Rain is likely: about 7.0 mm of precipitation.
    • Wind-resistant outer layer Wind up to 31 mph.
    • Sun protection: hat, sunglasses, sunscreen UV index 8 under clear skies (estimate).
  • Tue, Nov 10

    • Wind-resistant outer layer Wind up to 24 mph.
    • Sun protection: hat, sunglasses, sunscreen UV index 8 under clear skies (estimate).
  • Wed, Nov 11

    • Everyday clothing should be comfortable Mild with no notable rain or wind expected.
  • Thu, Nov 12

    • Waterproof layer or umbrella Rain is likely: about 4.2 mm of precipitation.
  • Fri, Nov 13

    • Light, breathable clothing Highs near 84°F.
    • Waterproof layer or umbrella Rain is likely: about 2.6 mm of precipitation.
  • Sat, Nov 14

    • Light, breathable clothing Highs near 81°F.
    • Waterproof layer or umbrella Rain is likely: about 9.4 mm of precipitation.
  • Sun, Nov 15

    • Light, breathable clothing Highs near 85°F.
    • Waterproof layer or umbrella Rain is likely: about 1.4 mm of precipitation.
    • Consider sun protection Warm and mostly sunny; UV index not available.

Suggestions are general and rule-based; they are not a safety assessment.

Sunrise, sunset and daylight in Haikou

6 h12 h18 h JFMAMJJASOND
Daylight through 2026. Longest: 13 h 20 min (Sat, Jun 13). Shortest: 10 h 55 min (Fri, Dec 18). Times in Asia/Shanghai; astronomical calculation for a sea-level horizon, not a weather forecast.

Sun times calculated with SunCalc (BSD-2-Clause) · BSD-2-Clause, Copyright (c) 2014 Vladimir Agafonkin

About this forecast

Haikou forecasts come from MET Norway (Norwegian Meteorological Institute). Current conditions are labelled as either a station observation or an estimate from the forecast. Times are shown in Asia/Shanghai.

Urban area population: about 1.5 million (UN estimate for 1 July 2025, measuring the whole built-up urban area, which can differ from city-limit figures).

City location: 20.005, 110.321 (population-weighted centre of the urban area). Neighbourhood conditions can differ, especially near water or hills.

City list and populations: UN DESA, World Urbanization Prospects 2025 (File 21) · CC BY 3.0 IGO