Sendai weather in December
December is one of the least pleasant months in Sendai: highs of 3°C (37°F) and about 150 mm (5.9 in) of rain on average. Nights average -3°C (26°F) and cloud cover 80% (NASA POWER, 2001–2025 averages). It is the 4th wettest month of the year and the 3rd coolest. Compared with November, it is cooler and wetter; January brings highs of 0°C (31°F) and 126 mm (5.0 in) of rain.
Is December a good time to visit Sendai?
least pleasant month Weather score 19/100.
December is one of the least pleasant months for weather in Sendai. For better conditions, consider May–Jun, Aug–Sep.
Does it rain a lot in Sendai in December?
Yes, it is one of the rainy months: about 150 mm (5.9 in) falls in an average December. It is the 4th wettest month of the year.
How warm is Sendai in December?
Days average 3°C (37°F) and nights -3°C (26°F).
Sendai weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 0°C (31°F) | -6°C (21°F) | 126 mm | 81% | least pleasant |
| February | 0°C (32°F) | -6°C (20°F) | 81 mm | 79% | least pleasant |
| March | 5°C (40°F) | -3°C (26°F) | 93 mm | 75% | least pleasant |
| April | 12°C (54°F) | 2°C (35°F) | 92 mm | 71% | fair |
| May | 18°C (65°F) | 8°C (46°F) | 94 mm | 72% | best |
| June | 22°C (72°F) | 13°C (55°F) | 116 mm | 77% | best |
| July | 26°C (78°F) | 17°C (62°F) | 204 mm | 83% | fair |
| August | 27°C (81°F) | 18°C (64°F) | 168 mm | 74% | best |
| September | 23°C (73°F) | 14°C (57°F) | 142 mm | 76% | best |
| October | 16°C (61°F) | 7°C (45°F) | 153 mm | 71% | fair |
| November | 10°C (49°F) | 2°C (35°F) | 127 mm | 72% | fair |
| December | 3°C (37°F) | -3°C (26°F) | 150 mm | 80% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months