Vs > Kolkata/ Calcutta
 | Rio Negro vs Kolkata/ Calcutta Climate & Distance Between |  |
- The distance between Rio Negro, Brazil and Kolkata/ Calcutta, India is approximately 15,772 km or 9,801 mi.
- To reach Rio Negro in this distance one would set out from Kolkata/ Calcutta bearing 255.9° or WSW
 and follow the great circles arc to approach Rio Negro bearing 266.1° or W .
- Rio Negro has a subtropical highland climate with no dry season (Cfb) whereas Kolkata/ Calcutta has a tropical wet and dry/ savanna climate with dry winters (Aw).
- Rio Negro is in or near the warm temperate moist forest biome whereas Kolkata/ Calcutta is in or near the subtropical moist forest biome.
- The mean annual temperature is 10.3 °C (18.5°F) cooler.
- Average monthly temperatures vary by 2.2 °C (4°F) less in Rio Negro. The continentality subtype is barely hyperoceanic for both.
- Total annual precipitation averages 380.3 mm (15 in) less which is equivalent to 380.3 l/m² (9.33 US gal/ft²) or 3,803,000 l/ha (406,566 US gal/ac) less. About 4/5 as much.
- The altitude of the sun at midday is overall 4.2° lower in Rio Negro than in Kolkata/ Calcutta.
- Relative humidity levels are 10.5% higher.
- The mean dew point temperature is 7.7°C (13.9°F) lower.
Climate Comparison Table
The table shows values for Rio Negro relative to Kolkata/ Calcutta. You can also view this comparison the other way around from the perspective of Kolkata/ Calcutta vs Rio Negro.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Temperature °C ( °F) |
+0 (+1) |
-2 (-4) |
-8 (-15) |
-14 (-24) |
-17 (-30) |
-17 (-31) |
-17 (-30) |
-16 (-28) |
-14 (-25) |
-12 (-21) |
-7 (-12) |
-1 (-2) |
|
-10 (-19) |
 | Average Precipitation mm (in) |
+142 (+6) |
+141 (+6) |
+113 (+4) |
+7 (+0) |
-45 (-2) |
-195 (-8) |
-331 (-13) |
-261 (-10) |
-170 (-7) |
+2 (+0) |
+81 (+3) |
+137 (+5) |
|
-380 (-15) |
 | Average Daylight Hours & Minutes/ Day |
+2h 39' |
+1h 39' |
+0h 18' |
-1h 08' |
-2h 21' |
-2h 57' |
-2h 41' |
-1h 39' |
-0h 15' |
+1h 11' |
+2h 23' |
+2h 57' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
+35.7 |
+17.3 |
-4.1 |
-27.4 |
-43.8 |
-48.5 |
-44 |
-27.7 |
-4.8 |
+17.7 |
+35.7 |
+43.3 |
| -4.2 |
 | Relative Humidity (%) |
+15 |
+25 |
+25 |
+17 |
+11 |
+6 |
-2 |
-3 |
+1 |
+7 |
+11 |
+12 |
|
+10.4 |
 | Average Dew Point Temperature °C & (°F) |
+3.4 (+6) |
+3.4 (+6) |
-2.3 (-4) |
-9.4 (-17) |
-13.7 (-25) |
-15.7 (-28) |
-16.9 (-30) |
-15.7 (-28) |
-13.5 (-24) |
-9.8 (-18) |
-4 (-7) |
+1.5 (+3) |
|
-7.7 (-14) |
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Kolkata/ Calcutta vs Medan, Sumatra, Indonesia
Kolkata/ Calcutta vs Apodi, Brazil
Kolkata/ Calcutta vs Strasbourg, France
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Rio Negro vs Kolkata/ Calcutta Discussion
You are welcome to incorporate your thoughts on the differences in climate or other matters such as contrasts in culture, standard of living, demographics etc.
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