Saitama, Japan Weather

Saitama,  Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
26°C
78.8°F
°C °F

Condition: Mainly Clear

Pressure: 1,006 hPa

Feel like: 32 °C

Temperature: 26°C

Cloud: 37%

Humidity: 94%

Wind: SSW - 1 km/h

Visibility: 18.66 km

Weather forecast

Tue
21 Jul
26°C / 37°C
Drizzle
Wed
22 Jul
27°C / 38°C
Slight Thunderstorm
Thu
23 Jul
26°C / 36°C
Thunderstorm With Slight
Fri
24 Jul
25°C / 34°C
Thunderstorm With Slight
Sat
25 Jul
24°C / 31°C
Slight Thunderstorm
Hourly forecast today:
21:00 PM
25° / 26°
25° / 26°
Mainly Clear
94% 9 km/h
22:00 PM
25° / 27°
25° / 27°
Mainly Clear
88% 12 km/h
23:00 PM
24° / 29°
24° / 29°
Mainly Clear
79% 14 km/h
00:00 AM
25° / 30°
25° / 30°
Mainly Clear
73% 14 km/h
01:00 AM
25° / 31°
25° / 31°
Mainly Clear
68% 16 km/h
02:00 AM
25° / 33°
25° / 33°
Mainly Clear
64% 17 km/h
03:00 AM
25° / 34°
25° / 34°
Clear Sky
59% 20 km/h
04:00 AM
25° / 35°
25° / 35°
Clear Sky
55% 20 km/h
05:00 AM
25° / 36°
25° / 36°
Clear Sky
54% 21 km/h
06:00 AM
25° / 35°
25° / 35°
Clear Sky
57% 21 km/h
07:00 AM
25° / 35°
25° / 35°
Clear Sky
57% 15 km/h

30 Day Averages and Extremes

  • Average high 32.2°C
  • Average low 24.03°C
  • Hottest day 38°C (22 July 2026)
  • Coldest day 20°C (05 July 2026)
  • Average humidity 76.97%
  • Days with precipitation 25 days
  • Highest precipitation 64 mm (16 July 2026)

Yesterday's Data

  • Max: 35°C
  • Min: 24°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Saitama over the next 12 hours

Temperature and possibility of rain in Saitama in the coming days

Rainfall in Saitama in the coming days

Saitama Climate Summary

Saitama features a Humid subtropical, no dry season (Köppen classification: Cfa), with an average annual temperature of 17.22ºC (63.0ºF), which is about 2.03% higher than the national average for Japan. Annually, the city experiences approximately 49.86 millimeters (1.96 inches) of rainfall, spread across 82.84 rainy days, accounting for 22.7% of the year.

Longitude 35.8616486
Latitude 139.6454782
Yearly high temperature 19.86ºC (67.75ºF)
Yearly low temperature 13.08ºC (55.54ºF)
Hottest month August 32.18ºC (89.92ºF)
Coldest month January 1.99ºC (35.58ºF)
Yearly precip 49.86mm (1.96in)
Days with rainfall 82.84 days (22.7%)
Driest month December (58.52%)
Wettest month October (69.28%)

Weather averages by month

Month High / Low (°C) Rain
January 8.54° / 1.99° 2.82 days
February 9.44° / 2.63° 3.91 days
March 13.33° / 5.62° 6.55 days
April 18.02° / 10.17° 7.73 days
May 23.79° / 15.8° 7.91 days
June 26.0° / 19.27° 9.82 days
July 30.36° / 23.46° 9.45 days
August 32.18° / 25.19° 9.73 days
September 27.74° / 21.59° 10.55 days
October 21.62° / 15.77° 7.64 days
November 16.42° / 10.43° 4.09 days
December 10.91° / 5.01° 2.64 days

Frequently asked questions

1. What is the hottest month in Saitama?

August has the highest average monthly temperature (daily mean of 32.18ºC) and January are the coolest (daily mean of 1.99ºC).

2. What should I wear in Saitama today?

For today's very hot weather in Saitama, with the high temperatures above 36ºC (96.8ºF), consider wearing:
- Sleeveless tops or vests
- Broad-brimmed sun hat
- High SPF sunscreen for outdoor activities
- Airy sandals or flip-flops

Temperature

Early
24°C / 33°C
Morning
25°C / 32°C
Afternoon
24°C / 27°C
Evening
25°C / 26°C

Air quality

Unhealthy for Sensitive Groups

Unhealthy for Sensitive Groups air quality, health effects possible for sensitive people, general public usually unaffected

  • CO2 516
  • CO 342
  • NH3 0
  • NO2 51
  • O3 28
  • PM10 51
  • PM25 50
  • SO2 31
  • CH4 1,977

Sunrise / Sunset

19:40
09:55