Iwase, Ibaraki Climate
Japan
Pop. 39,122 Elev. 49 m / 161 ft
TZ: Asia/Tokyo (UTC+9) ·
Summers in Iwase are warm, with August highs around 93°F (34°C), while winters are cold with January lows of 29°F (-2°C). Humidity pushes the summer feels-like temperature to around 116°F (47°C). Expect around 61 rainy days annually (40.9 in / 1040 mm total), with snow on 3 days and 11 in (278 mm) of annual accumulation. The city averages 123 sunny days per year and around 20 thunderstorm days. Ocean water temperatures reach 82°F (28°C) in summer.
| Temperature | 34°C (93°F) high | -1°C (29°F) low |
| Feels like | 47°C (116°F) high | -4°C (25°F) low |
| Rain | 61 days | 1040 mm (40.9 in) /yr |
| Snow | 3 days | 278 mm (10.9 in) /yr |
| Sky | 123 sunny | 20 stormy |
| Wind | 1.0 m/s (2.2 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Oct, Nov
Sky & Air by Month
Cloud cover (%)
30
Jan 32
Feb 62
Mar 60
Apr 83
May 76
Jun 63
Jul 65
Aug 65
Sep 75
Oct 41
Nov 34
Dec Humidity (%)
63
Jan 51
Feb 64
Mar 66
Apr 72
May 75
Jun 74
Jul 69
Aug 74
Sep 76
Oct 69
Nov 66
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 34 km Ibaraki International Airport (IBR)
Ski resort 71 km エーデルワイススキーリゾート
National park 53 km 高鈴県立自然公園
Mountain peak
(1,712 m) 68 km 西平岳
Hospital 11 km 茨城県西部メディカルセンター
Hiking trail 2 km KFT - Connection route
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 10°C 50°F | -1°C 29°F | 33 mm 1.3 in | 6 mm0.3 in | 23 |
| February | 10°C 50°F | -1°C 30°F | 6 mm 0.2 in | 2 mm0.1 in | 18 |
| March | 14°C 58°F | 4°C 39°F | 121 mm 4.8 in | 270 mm10.6 in | 9 |
| April | 20°C 68°F | 10°C 50°F | 99 mm 3.9 in | — | 9 |
| May | 23°C 73°F | 15°C 58°F | 184 mm 7.3 in | — | 3 |
| June | 29°C 84°F | 21°C 69°F | 137 mm 5.4 in | — | 4 |
| July | 33°C 91°F | 24°C 76°F | 83 mm 3.3 in | — | 9 |
| August | 34°C 93°F | 25°C 77°F | 53 mm 2.1 in | — | 5 |
| September | 30°C 86°F | 22°C 72°F | 123 mm 4.8 in | — | 4 |
| October | 21°C 70°F | 15°C 58°F | 111 mm 4.4 in | — | 3 |
| November | 17°C 62°F | 5°C 41°F | 21 mm 0.8 in | — | 16 |
| December | 12°C 53°F | 1°C 34°F | 68 mm 2.7 in | — | 20 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 23 | 0 |
| February | 18 | 0 |
| March | 9 | 2 |
| April | 9 | 0 |
| May | 3 | 4 |
| June | 4 | 3 |
| July | 9 | 4 |
| August | 5 | 0 |
| September | 4 | 4 |
| October | 3 | 2 |
| November | 16 | 0 |
| December | 20 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 16°C 61°F | 3°C 37°F |
| February | 15°C 59°F | 3°C 37°F |
| March | 15°C 58°F | 7°C 45°F |
| April | 16°C 61°F | 13°C 56°F |
| May | 18°C 65°F | 18°C 64°F |
| June | 24°C 76°F | 23°C 74°F |
| July | 26°C 78°F | 28°C 82°F |
| August | 28°C 82°F | 29°C 84°F |
| September | 28°C 82°F | 26°C 78°F |
| October | 24°C 76°F | 18°C 64°F |
| November | 20°C 68°F | 11°C 52°F |
| December | 18°C 64°F | 6°C 43°F |