Best Time to Visit Saitama

Japan · weather by month, temperature and rainfall

Best monthsNovember
HottestAugust · 32°C
ColdestJanuary · -2°C
WettestSeptember · 204 mm

Weather-wise, November is the best time to visit Saitama. August is the hottest month, with average highs of 32°C (89°F), while January is the coldest, with lows around -2°C (29°F). Rain is heaviest in September, at about 204 mm (8.0 in), and lightest in January, at 43 mm (1.7 in). July is the least comfortable month, mainly because of the rain.

When to go to Saitama: a seasonal guide

November to April: the easy half

November is our top pick, and it makes sense once you're there. Days are mild, around 16°C, and the rain mostly stops. Ginkgo and maple leaves turn in places like Musashi Kyuryo National Government Park and the Hikawa Shrine approach in Omiya. Evenings are cool enough for a bowl of hot udon. Saitama is known for its thick, chewy udon, so it's worth ordering.

December to February is cold and fairly dry. Mornings drop below freezing, but the sun shows up for around six hours a day. On clear days you can see Mt Fuji from parts of the region. Early February is plum season, so look for blossoms in Ome-style gardens and parks. Early March can still feel raw, though rain picks up.

April is the cherry blossom month. The rows of trees along the Arakawa and in Omiya Park draw local picnic crowds. It's lovely, but weekends get busy. If you like quiet, go on a weekday morning.

June to September: hot, wet and sticky

Be honest with yourself here. The rainy season starts in June, and the air stays heavy through September. July has the most rainy days, 20 of them. August is the hottest at 32°C, and September is the wettest month with 204 mm. Typhoon season also peaks in late summer, so keep your plans flexible.

Still, summer has its own charm. Fireworks and festivals fill the evenings. The Kawagoe Kitain and Hikawa Shrine areas hang wind chimes in summer, and the old Kawagoe streets are pleasant after the heat fades. Stick to indoor stops in the afternoons, like the Railway Museum in Omiya, which is great with kids and rarely feels like a chore in the rain.

May and October: the in-betweens

May is warm, around 24°C, and green. It's a solid choice if you want comfortable walking and thinner crowds after Golden Week, the national holiday run at the start of the month, when families travel and trains fill up. Avoid that week if you can.

October is Fair, not Good. Days are still mild at 22°C, but it's wet, and the sky is often grey. Treat it as a bargain shoulder month, and keep a flexible plan for the weekend.

Saitama is mostly a day-trip and city-break place, close to Tokyo. That keeps it steady all year, with no real low season. The crowds follow holidays and blossom or leaf peaks rather than the weather. For the best mix of comfort and calm, aim for November, or pick a clear week in December.

Saitama weather by month

-10°-5°0°5°10°15°20°25°30°35°0125250January: 43 mm rainFebruary: 53 mm rainMarch: 94 mm rainApril: 116 mm rainMay: 132 mm rainJune: 181 mm rainJuly: 190 mm rainAugust: 170 mm rainSeptember: 204 mm rainOctober: 173 mm rainNovember: 73 mm rainDecember: 52 mm rainJanuary: 8°CFebruary: 9°CMarch: 13°CApril: 19°CMay: 24°CJune: 27°CJuly: 31°CAugust: 32°CSeptember: 28°COctober: 22°CNovember: 16°CDecember: 11°CJanuary: -2°CFebruary: -1°CMarch: 2°CApril: 6°CMay: 12°CJune: 17°CJuly: 22°CAugust: 23°CSeptember: 19°COctober: 12°CNovember: 6°CDecember: 1°CJanFebMarAprMayJunJulAugSepOctNovDec mm°C
Avg high Avg low Rainfall (mm)
Jan8°C / -2°C43 mmFairFeb9°C / -1°C53 mmFairMar13°C / 2°C94 mmGoodApr19°C / 6°C116 mmGoodMay24°C / 12°C132 mmGoodJun27°C / 17°C181 mmPoorJul31°C / 22°C190 mmPoorAug32°C / 23°C170 mmPoorSep28°C / 19°C204 mmPoorOct22°C / 12°C173 mmFairNov16°C / 6°C73 mmExcellentDec11°C / 1°C52 mmGood

Monthly climate table

MonthHighLowRainRainy daysHumiditySun hrs/dayRating
January8°C 46°F-2°C 29°F43 mm476%5.9Fair 5.6
February9°C 48°F-1°C 29°F53 mm775%5.3Fair 6.1
March13°C 56°F2°C 35°F94 mm975%5.1Good 6.6
April19°C 66°F6°C 43°F116 mm1175%5.1Good 7.5
May24°C 75°F12°C 54°F132 mm1275%4.7Good 7.2
June27°C 80°F17°C 63°F181 mm1680%3Poor 4
July31°C 87°F22°C 71°F190 mm2082%3.6Poor 2.3
August32°C 89°F23°C 73°F170 mm1882%5.2Poor 2.3
September28°C 82°F19°C 66°F204 mm1583%4Poor 4.1
October22°C 71°F12°C 54°F173 mm1282%4Fair 6.3
November16°C 62°F6°C 42°F73 mm880%5.1Excellent 8.4
December11°C 51°F1°C 33°F52 mm677%5.9Good 6.7

Frequently asked questions

When is the best time to visit Saitama?

The best time to visit Saitama is November, based on comfortable temperatures, low rainfall and plenty of sunshine.

What is the hottest month in Saitama?

August is the hottest month in Saitama, with an average high of 32°C (89°F).

What is the coldest month in Saitama?

January is the coldest month in Saitama, with an average low of -2°C (29°F).

What is the rainiest month in Saitama?

September is the wettest month, with about 204 mm (8.0 in) of rain. January is the driest, with 43 mm (1.7 in).

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