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Vs > Okayama
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Decatur, Il vs Okayama Climate & Distance Between

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  • The distance between Decatur, Il, Usa and Okayama, Japan is approximately 10,619 km or 6,599 mi.
  • To reach Decatur, Il in this distance one would set out from Okayama bearing 31.6° or NNE and follow the great circles arc to approach Decatur, Il bearing 145.8° or SE .
  • Decatur, Il has a hot summer continental climate with no dry season (Dfa) whereas Okayama has a humid subtropical climate with dry winters (Cwa).
  • Decatur, Il is in or near the cool temperate moist forest biome whereas Okayama is in or near the warm temperate moist forest biome.
  • The annual mean temperature is 4.2 °C (7.6°F) cooler.
  • Average monthly temperatures vary by 4.6 °C (8.3°F) more in Decatur, Il. The continentality subtype is truly continental as opposed to subcontinental.
  • Total annual precipitation averages 139.6 mm (5.5 in) less which is equivalent to 139.6 l/m² (3.43 US gal/ft²) or 1,396,000 l/ha (149,242 US gal/ac) less. About 7/8 as much.
  • The altitude of the sun at midday is overall 5.3° lower in Decatur, Il than in Okayama.

Climate Comparison Table

The table shows values for Decatur, Il relative to Okayama. You can also view this comparison the other way around from the perspective of Okayama vs Decatur, Il.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -8 (-14) -5 (-9) -2 (-3) -1 (-1) 1 (+1) 2 (+3) 0 (0) -3 (-5) -1 (-3) -2 (-4) -5 (-9) -8 (-14) -3 (-5)
average temperature iconAverage Temperature °C ( °F) -8 (-15) -6 (-11) -3 (-5) -2 (-4) -1 (-2) -1 (-1) -2 (-4) -5 (-9) -4 (-8) -4 (-7) -6 (-10) -8 (-14) -4 (-8)
minimum temperature iconAverage Min Temperature °C ( °F) -10 (-17) -8 (-14) -4 (-7) -4 (-7) -3 (-6) -3 (-6) -6 (-10) -8 (-14) -8 (-14) -7 (-12) -7 (-12) -8 (-15) -6 (-11)
rainfall iconAverage Precipitation mm (in) +19 (+1) -9 (0) -8 (0) +3 (+0) -28 (-1) -116 (-5) -26 (-1) +30 (+1) -99 (-4) -4 (0) +37 (+1) +61 (+2) -140 (-5)
daylight iconAverage Daylight Hours & Minutes/ Day -0h 27' -0h 16' -0h 02' +0h 11' +0h 23' +0h 30' +0h 27' +0h 16' +0h 02' -0h 11' -0h 24' -0h 30'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -5.2 -5.1 -5.1 -5.1 -5.2 -5.4 -5.5 -5.5 -5.6 -5.6 -5.5 -5.3   -5.3

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Decatur, Il vs Okayama Discussion

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