Yearly weather and climate in Saitama, Japan

The yearly weather in Saitama runs from around 0°C in January to 33°C in August. December is the driest month at 4 rainy days; July the wettest at 18. Here is the annual climate data, so you know what you are packing for.

Best time to visit

Weather is fairly consistent year-round. Pack for stable conditions.

Sunshine

Expect up to 10.2 hours of clear skies in Aug, but only 6.9 hours in Oct. Pack sunglasses and SPF accordingly.

Rainfall

It rains the most in Jul (209mm over 18 days). A reliable rain jacket is a must-have if visiting then.

Day-to-night swings

Temperatures typically drop by 9°C from day to night. Make sure to pack layers for the evenings.

Average temperatures and rainfall

Daily highs and lows in Saitama, averaged over 10 years of recorded weather, with the number of days it typically rains.

  1. 1049°032°7Jan
  2. 1152°134°6Feb
  3. 1660°541°11Mar
  4. 2067°949°12Apr
  5. 2474°1457°14May
  6. 2781°1966°14Jun
  7. 3188°2374°18Jul
  8. 3391°2576°15Aug
  9. 2883°2170°14Sep
  10. 2272°1457°11Oct
  11. 1864°847°7Nov
  12. 1253°235°4Dec

Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Dec is typically driest at 4 days (42mm); Jul the wettest at 18 days (209mm).

Average monthly temperature and rainfall in Saitama
MonthAverage highAverage lowRainy daysTotal rainfall
Jan10°C0°C758mm
Feb11°C1°C652mm
Mar16°C5°C11133mm
Apr20°C9°C12135mm
May24°C14°C14153mm
Jun27°C19°C14200mm
Jul31°C23°C18209mm
Aug33°C25°C15138mm
Sep28°C21°C14171mm
Oct22°C14°C11149mm
Nov18°C8°C770mm
Dec12°C2°C442mm

Weather data by Open-Meteo.com

Going to Saitama?

Pack smarter.

Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Saitama with Packola.

Get the app