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Haikou vs Udon Thani Climate & Distance Between

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  • The distance between Haikou, China and Udon Thani, Thailand is approximately 836 km or 520 mi.
  • To reach Haikou in this distance one would set out from Udon Thani bearing 68.4° or ENE and follow the great circles arc to approach Haikou bearing 70.8° or ENE .
  • Haikou has a humid subtropical climate with dry winters (Cwa) whereas Udon Thani has a tropical wet and dry/ savanna climate with dry winters (Aw).
  • Both are in or near the subtropical moist forest biome.
  • The average temperature is 2.6 °C (4.7°F) cooler.
  • Average monthly temperatures vary by 4 °C (7.2°F) more in Haikou. The continentality subtype is truly oceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 182 mm (7.2 in) more which is equivalent to 182 l/m² (4.47 US gal/ft²) or 1,820,000 l/ha (194,570 US gal/ac) more. About 1 1/8 as much.
  • The altitude of the sun at midday is overall 1.5° lower in Haikou than in Udon Thani.

Climate Comparison Table

The table shows values for Haikou relative to Udon Thani. You can also view this comparison the other way around from the perspective of Udon Thani vs Haikou.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) -5 (-9) -7 (-12) -6 (-11) -5 (-8) -1 (-2) 0 (0) +1 (+1) +0 (+1) 0 (-1) -2 (-3) -3 (-5) -3 (-6) -3 (-5)
rainfall iconAverage Precipitation mm (in) +16 (+1) +15 (+1) +15 (+1) +23 (+1) -37 (-1) -20 (-1) -12 (0) -51 (-2) -3 (0) +117 (+5) +88 (+3) +31 (+1) +182 (+7)
daylight iconAverage Daylight Hours & Minutes/ Day -0h 09' -0h 05' -0h 01' +0h 03' +0h 08' +0h 10' +0h 09' +0h 05' +0h 00' -0h 04' -0h 08' -0h 10'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -2.6 -2.6 -2.6 -2.6 +2.1 +2.6 +1.9 -2.6 -2.6 -2.6 -2.6 -2.6   -1.5

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Haikou vs Udon Thani Discussion

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