Skip to content
Destinations
Weather & climate
Nature
Outdoors
Culture
Events
Sky & live
Iwatsuki
Shinpukuji Shell Mound
Shinpukuji Shell Mound
Minuma Tsūsen-bori
Minuma Tsūsen-bori
Former Hananoi Family House
Former Hananoi Family House
島村老茶舗
島村老茶舗
Saitama, Japan

Iwatsuki

Iwatsuki is a city in Saitama, Japan. It has a population of about 108,833. The climate is classified as humid subtropical (Köppen Cfa), with rain spread through the year and no real dry season.

Now16°C
Best timeApr–May · Oct
Population108,833
Local time23:34
35.96° N, 139.70° EElevation 9 mUTC+9 · Japan Standard Time
Postal code339-0061
The year in Iwatsukiweather score
JanFebMarAprMayJunJulAugSepOctNovDec64October
October: high / low21° / 13°
Rain this month170mm
Best timeApr–May · Oct

Best: Apr–May · Oct. Warmth, sunshine and dry days, month by month.

Iwatsuki at a glance

Best time to visitApr–May · Oct

The months with the highest weather score

Warmest month30°C

Average high in August

Coolest month-2°C

Average low in January

Wettest monthJuly

144 mm of rain

Driest monthJanuary

40 mm of rain

Monuments nearby7+

within 15 km

Weather in Iwatsuki

Now and the next ten days. The 14 and 30-day outlooks are one click away.

14-day forecast
16°C

Rain · wind 15 km/h · humidity 94%

Today hour by hour
Today26 Oct19°16°33.5 mm
Tue27 Oct24°16°5.7 mm
Wed28 Oct18°10°
Thu29 Oct14°11°
Fri30 Oct16°11°
Sat31 Oct22°10°
Sun1 Nov18°10°
Mon2 Nov21°13°
Tue3 Nov16°13°
Wed4 Nov11°10°16.8 mm

When to go to Iwatsuki

Each month's weather score (warmth, sun, dry days) with its temperatures and rain.

Climate month by month
JanFebMarAprMayJunJulAugSepOctNovDec
Score464241676354424054646345
High8°9°12°18°22°25°29°30°26°21°15°11°
Low-2°-1°3°8°14°18°22°23°20°13°7°1°
Rain (mm)4043831041201481441601971707240
Wet days57101112151714141397

What's on in Iwatsuki

Concerts, football matches, the public holidays ahead and the town's festivals through the year.

Monuments and museums in Iwatsuki

All monuments

More museums: 酒蔵資料館

Outdoors around Iwatsuki

Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.

Things to do
倉松落大口逆除Viewpoints
1.1 km
Observation LoungeViewpoints
1.2 km
さいたま市グリーンライフ猿花キャンプ場Camp sites
1.2 km
川越グリーンクロスゴルフ場Golf courses
1.4 km
Tobu ZooZoos
1.7 km
Heartful LandTheme parks
1.7 km
AQCIA DIVE HOUSEDive site
8.7 km
パシフィカダイビングセンターさいたま店Dive site
8.9 km

Nature around Iwatsuki

Nature in Japan

Wildlife in October

The birds and mammals of Japan seen most this month, compared with the rest of their year.

The sky over Iwatsuki

Eclipses and meteor showers

Earthquakes around Iwatsuki

The last 30 days within 300 km, and the record since 1950.

Earthquakes

Strongest nearby since 1950

7.9Ōarai 47 km →2011 · 132 km
6.7Chōnan 4 km ↙1987 · 82 km
6.6Tanagura 4 km ↘2011 · 131 km
6.6Ōshima 12 km ↖1978 · 134 km

Universities and research institutes

University of Human Arts and SciencesUniversity or college · founded 1953

Towns and villages around Iwatsuki

Each with its own page: weather, climate and the best time to visit.

Iwatsuki from above

Postal code

339-0061

Getting to Iwatsuki

Tokyo Haneda International AirportHND
47 km
Narita International AirportNRT
66 km
Ibaraki AirportIBR
69 km
東岩槻Railway station
1.4 km
岩槻Railway station
1.7 km
豊春Railway station
2.7 km
神谷船着場Ferry port
22 km
千住水上バス停Ferry port
27 km

Places near Iwatsuki

Places with a climate like Iwatsuki

Matched month by month on temperature, rain and sunshine.

Frequently asked questions

When is the best time to visit Iwatsuki?
Based on 30-year climate normals, April, May and October offer the best balance of comfortable temperatures, low rainfall and sunshine in Iwatsuki.
What is the hottest month in Iwatsuki?
August is the warmest month, with average highs of 30°C and lows of 23°C.
What is the coldest month in Iwatsuki?
January is the coldest month, with average highs of 8°C and lows of -2°C.
What is the rainiest month in Iwatsuki?
July is the wettest month with about 144 mm of precipitation on 17 wet days.
What is the postal code of Iwatsuki?
The postal code of Iwatsuki is 339-0061.