Sai, Japan Climate
Japan
Pop. 1,930 Elev. 22 m / 72 ft
TZ: Asia/Tokyo (UTC+9) ·
Sai has mild summers with average highs of 79°F (26°C) in August, and cool winters averaging 34°F (1°C) in February. Wind chill can push winter lows to 23°F (-5°C). Rain falls on about 74 days per year (53.9 in / 1369 mm total), with snow on 11 days and 82 in (2077 mm) of annual accumulation. The city averages 54 sunny days per year and around 40 thunderstorm days. Ocean water temperatures reach 81°F (27°C) in summer.
| Temperature | 26°C (79°F) high | 1°C (34°F) low |
| Feels like | -5°C (23°F) low | |
| Rain | 74 days | 1369 mm (53.9 in) /yr |
| Snow | 11 days | 2077 mm (81.8 in) /yr |
| Sky | 54 sunny | 40 stormy |
| Wind | 3.7 m/s (8.3 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jun, Jul, Oct
Sky & Air by Month
Cloud cover (%)
59
Jan 62
Feb 67
Mar 73
Apr 65
May 71
Jun 67
Jul 59
Aug 56
Sep 64
Oct 64
Nov 78
Dec Humidity (%)
70
Jan 67
Feb 68
Mar 82
Apr 86
May 92
Jun 90
Jul 82
Aug 71
Sep 66
Oct 67
Nov 70
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 39 km Hakodate Airport (HKD)
Ski resort 48 km 夜越山スキー場
National park 64 km 大沼国定公園
Mountain peak
(1,548 m) 85 km 赤倉岳
Hospital 11 km 大間病院
Hiking trail 122 km
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 4°C 39°F | 2°C 35°F | 91 mm 3.6 in | 396 mm15.6 in | 2 |
| February | 4°C 39°F | 1°C 34°F | 46 mm 1.8 in | 803 mm31.6 in | 2 |
| March | 6°C 43°F | 3°C 38°F | 85 mm 3.4 in | 380 mm14.9 in | 4 |
| April | 9°C 48°F | 7°C 45°F | 129 mm 5.1 in | — | 4 |
| May | 13°C 55°F | 11°C 51°F | 82 mm 3.2 in | — | 6 |
| June | 17°C 63°F | 15°C 59°F | 81 mm 3.2 in | — | 5 |
| July | 23°C 74°F | 22°C 71°F | 69 mm 2.7 in | — | 4 |
| August | 26°C 79°F | 24°C 75°F | 187 mm 7.4 in | — | 7 |
| September | 24°C 75°F | 22°C 71°F | 196 mm 7.7 in | — | 9 |
| October | 17°C 62°F | 14°C 57°F | 124 mm 4.9 in | — | 6 |
| November | 11°C 52°F | 8°C 46°F | 138 mm 5.4 in | 2 mm0.1 in | 5 |
| December | 6°C 44°F | 2°C 36°F | 139 mm 5.5 in | 495 mm19.5 in | 0 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 2 | 6 |
| February | 2 | 6 |
| March | 4 | 2 |
| April | 4 | 2 |
| May | 6 | 1 |
| June | 5 | 0 |
| July | 4 | 1 |
| August | 7 | 4 |
| September | 9 | 5 |
| October | 6 | 3 |
| November | 5 | 5 |
| December | 0 | 5 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 12°C 53°F | 3°C 38°F |
| February | 10°C 51°F | 3°C 37°F |
| March | 9°C 48°F | 3°C 38°F |
| April | 10°C 50°F | 6°C 43°F |
| May | 12°C 54°F | 11°C 51°F |
| June | 18°C 65°F | 19°C 65°F |
| July | 25°C 78°F | 25°C 77°F |
| August | 27°C 81°F | 26°C 79°F |
| September | 27°C 80°F | 23°C 74°F |
| October | 24°C 75°F | 17°C 63°F |
| November | 17°C 63°F | 11°C 51°F |
| December | 15°C 58°F | 6°C 43°F |