Sumayama
Sumayama is a locality in Chiba, Japan, close to the sea. The climate is classified as humid subtropical (Köppen Cfa), with rain spread through the year and no real dry season.
Best: Sep–Nov. Warmth, sunshine and dry days, month by month.
Sumayama at a glance
The months with the highest weather score
Average high in August
Average low in January
228 mm of rain
59 mm of rain
August
within 10 km
Weather in Sumayama
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Cloudy · wind 8 km/h · humidity 89%
When to go to Sumayama
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 44 | 42 | 31 | 55 | 58 | 54 | 51 | 49 | 59 | 62 | 65 | 51 |
| High | 9° | 9° | 12° | 16° | 20° | 23° | 27° | 28° | 25° | 20° | 16° | 11° |
| Low | 3° | 3° | 6° | 11° | 15° | 19° | 22° | 24° | 21° | 16° | 11° | 6° |
| Rain (mm) | 65 | 72 | 141 | 142 | 145 | 183 | 158 | 155 | 228 | 224 | 113 | 59 |
| Wet days | 6 | 6 | 13 | 13 | 15 | 16 | 18 | 16 | 18 | 16 | 9 | 6 |
| Sea | 15° | 13° | 14° | 16° | 18° | 21° | 24° | 26° | 25° | 22° | 20° | 17° |
What's on in Sumayama
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Sumayama
Wildlife in October
The birds and mammals of Japan seen most this month, compared with the rest of their year.
The sky over Sumayama
Earthquakes around Sumayama
The last 30 days within 300 km, and the record since 1950.
Strongest nearby since 1950
Towns and villages around Sumayama
Each with its own page: weather, climate and the best time to visit.