Kosai, Shizuoka Climate
Japan
Pop. 59,770 Elev. 30 m / 98 ft
TZ: Asia/Tokyo (UTC+9) ·
Kosai sees warm summers peaking at 93°F (34°C) in August, and cool winters that bottom out around 35°F (2°C) in February. Humidity pushes the summer feels-like temperature to 117°F (47°C), while wind chill can drive winter lows to 27°F (-3°C). Precipitation occurs on roughly 76 days per year (65.6 in / 1665 mm total). The city averages 142 sunny days per year and around 43 thunderstorm days. Ocean water temperatures reach 84°F (29°C) in summer.
| Temperature | 34°C (93°F) high | 2°C (35°F) low |
| Feels like | 47°C (117°F) high | -3°C (27°F) low |
| Rain | 76 days | 1665 mm (65.6 in) /yr |
| Sky | 142 sunny | 43 stormy |
| Wind | 2.1 m/s (4.7 mph) avg |
Looking for a place with a climate like Kosai? Explore and filter 150,000+ cities worldwide.
Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Apr, Nov
Sky & Air by Month
Cloud cover (%)
30
Jan 35
Feb 57
Mar 53
Apr 79
May 67
Jun 57
Jul 60
Aug 60
Sep 72
Oct 33
Nov 37
Dec Humidity (%)
55
Jan 51
Feb 62
Mar 63
Apr 71
May 75
Jun 76
Jul 71
Aug 74
Sep 76
Oct 65
Nov 64
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 63 km Mount Fuji Shizuoka Airport (FSZ)
Ski resort 60 km 茶臼山高原スキー場
National park 187 km 明治の森箕面国定公園
Mountain peak
(1,501 m) 63 km 竜馬ヶ岳
Hospital 3 km 市立湖西病院
Hiking trail 10 km 赤岩自然歩道
Interested in Kosai?
Hotels
Flights
Real Estate
Insurance
Connectivity
Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 11°C 51°F | 3°C 37°F | 36 mm 1.4 in | 2 mm0.1 in | 23 |
| February | 10°C 50°F | 2°C 35°F | 28 mm 1.1 in | 9 mm0.4 in | 18 |
| March | 16°C 60°F | 7°C 45°F | 128 mm 5.0 in | 5 mm0.2 in | 11 |
| April | 20°C 69°F | 11°C 53°F | 126 mm 5.0 in | — | 10 |
| May | 23°C 74°F | 16°C 61°F | 274 mm 10.8 in | — | 2 |
| June | 28°C 83°F | 21°C 70°F | 247 mm 9.7 in | — | 8 |
| July | 32°C 90°F | 25°C 77°F | 149 mm 5.9 in | — | 10 |
| August | 34°C 93°F | 26°C 79°F | 111 mm 4.4 in | — | 8 |
| September | 31°C 87°F | 23°C 74°F | 259 mm 10.2 in | — | 8 |
| October | 23°C 74°F | 17°C 63°F | 199 mm 7.8 in | — | 3 |
| November | 17°C 63°F | 9°C 48°F | 33 mm 1.3 in | — | 21 |
| December | 13°C 55°F | 5°C 41°F | 76 mm 3.0 in | 0 mm0.0 in | 20 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 23 | 1 |
| February | 18 | 0 |
| March | 11 | 2 |
| April | 10 | 2 |
| May | 2 | 8 |
| June | 8 | 5 |
| July | 10 | 4 |
| August | 8 | 3 |
| September | 8 | 9 |
| October | 3 | 6 |
| November | 21 | 1 |
| December | 20 | 2 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 19°C 67°F | 7°C 44°F |
| February | 17°C 63°F | 5°C 41°F |
| March | 18°C 64°F | 5°C 42°F |
| April | 19°C 66°F | 9°C 48°F |
| May | 21°C 71°F | 15°C 60°F |
| June | 26°C 78°F | 22°C 72°F |
| July | 29°C 84°F | 28°C 83°F |
| August | 29°C 84°F | 29°C 84°F |
| September | 29°C 84°F | 27°C 81°F |
| October | 25°C 77°F | 21°C 71°F |
| November | 23°C 73°F | 15°C 58°F |
| December | 19°C 66°F | 10°C 50°F |