Tachikawa Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 48°F Lo 34°F | Hi 49°F Lo 35°F | Hi 56°F Lo 41°F | Hi 65°F Lo 49°F | Hi 73°F Lo 58°F | Hi 78°F Lo 65°F | Hi 86°F Lo 74°F | Hi 88°F Lo 76°F | Hi 81°F Lo 69°F | Hi 70°F Lo 59°F | Hi 62°F Lo 49°F | Hi 52°F Lo 39°F |
| 6 mph | 7 mph | 7 mph | 7 mph | 7 mph | 6 mph | 6 mph | 6 mph | 6 mph | 6 mph | 6 mph | 6 mph |
| 2.3 in | 3.2 in | 5.7 in | 5.7 in | 6.2 in | 8.5 in | 8 in | 6.3 in | 9.8 in | 8.8 in | 4 in | 2.6 in |
| 56% | 60% | 63% | 65% | 67% | 74% | 73% | 71% | 72% | 70% | 64% | 58% |
| 29% | 37% | 45% | 42% | 41% | 49% | 47% | 44% | 49% | 48% | 35% | 29% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.8 in | 29.8 in | 29.8 in | 29.9 in | 30.0 in | 30.1 in | 30.0 in |
| 26 | 21 | 23 | 22 | 22 | 21 | 20 | 20 | 21 | 23 | 25 | 27 |
| 4 | 6 | 8 | 8 | 9 | 9 | 11 | 11 | 9 | 8 | 5 | 4 |
| 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 3 | 3 | 4 | 5 | 5 | 6 | 6 | 5 | 4 | 3 | 2 |
| 258 | 198 | 184 | 188 | 181 | 145 | 157 | 173 | 150 | 166 | 216 | 252 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 9°C Lo 1°C | Hi 10°C Lo 2°C | Hi 14°C Lo 5°C | Hi 18°C Lo 10°C | Hi 23°C Lo 15°C | Hi 26°C Lo 19°C | Hi 30°C Lo 23°C | Hi 31°C Lo 24°C | Hi 27°C Lo 21°C | Hi 21°C Lo 15°C | Hi 17°C Lo 9°C | Hi 11°C Lo 4°C |
| 10 km/h | 11 km/h | 11 km/h | 12 km/h | 11 km/h | 10 km/h | 10 km/h | 10 km/h | 10 km/h | 10 km/h | 9 km/h | 9 km/h |
| 59 mm | 82 mm | 145 mm | 145 mm | 156 mm | 216 mm | 202 mm | 161 mm | 248 mm | 223 mm | 101 mm | 67 mm |
| 56% | 60% | 63% | 65% | 67% | 74% | 73% | 71% | 72% | 70% | 64% | 58% |
| 29% | 37% | 45% | 42% | 41% | 49% | 47% | 44% | 49% | 48% | 35% | 29% |
| 1017 mb | 1018 mb | 1016 mb | 1015 mb | 1012 mb | 1009 mb | 1010 mb | 1010 mb | 1013 mb | 1017 mb | 1018 mb | 1017 mb |
| 26 | 21 | 23 | 22 | 22 | 21 | 20 | 20 | 21 | 23 | 25 | 27 |
| 4 | 6 | 8 | 8 | 9 | 9 | 11 | 11 | 9 | 8 | 5 | 4 |
| 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 3 | 3 | 4 | 5 | 5 | 6 | 6 | 5 | 4 | 3 | 2 |
| 258 | 198 | 184 | 188 | 181 | 145 | 157 | 173 | 150 | 166 | 216 | 252 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.
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