Saitama, Japan Weather

Saitama,  Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
20°C
68.0°F
°C °F

Condition: Clear Sky

Pressure: 1,007 hPa

Feel like: 20 °C

Temperature: 20°C

Cloud: 19%

Humidity: 64%

Wind: SSE - 4 km/h

Visibility: 10.36 km

Weather forecast

Sat
07 Nov
8°C / 15°C
Overcast
Sun
08 Nov
8°C / 11°C
Drizzle
Mon
09 Nov
6°C / 13°C
Mainly Clear
Tue
10 Nov
2°C / 12°C
Partly Cloudy
Wed
11 Nov
5°C / 16°C
Clear Sky
Hourly forecast today:
08:00 AM
13° / 20°
13° / 20°
Clear Sky
64% 14 km/h
09:00 AM
13° / 19°
13° / 19°
Mainly Clear
71% 15 km/h
10:00 AM
9° / 19°
9° / 19°
Mainly Clear
53% 13 km/h
11:00 AM
9° / 17°
9° / 17°
Mainly Clear
58% 19 km/h
12:00 PM
8° / 16°
8° / 16°
Clear Sky
58% 23 km/h
13:00 PM
7° / 16°
7° / 16°
Clear Sky
58% 26 km/h
14:00 PM
7° / 15°
7° / 15°
Clear Sky
58% 21 km/h
15:00 PM
6° / 14°
6° / 14°
Clear Sky
58% 20 km/h
16:00 PM
5° / 14°
5° / 14°
Mainly Clear
56% 16 km/h
17:00 PM
4° / 14°
4° / 14°
Clear Sky
53% 20 km/h
18:00 PM
4° / 13°
4° / 13°
Clear Sky
53% 25 km/h

30 Day Averages and Extremes

  • Average high 17.07°C
  • Average low 9.67°C
  • Hottest day 25°C (24 October 2026)
  • Coldest day 2°C (10 November 2026)
  • Average humidity 71.7%
  • Days with precipitation 24 days
  • Highest precipitation 86 mm (25 October 2026)

Yesterday's Data

  • Max: 23°C
  • Min: 13°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 mild weather in Saitama, with temperatures between 15ºC to 18ºC (59.0ºF to 64.4ºF), consider wearing:
- Comfortable jeans or slacks
- Cotton socks
- Light jacket (for cooler periods)
- Lightweight sweater or cardigan

Temperature

Early
12°C / 22°C
Morning
13°C / 19°C
Afternoon
6°C / 14°C
Evening
5°C / 12°C

Air quality

Unhealthy for Sensitive Groups

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

  • CO2 482
  • CO 416
  • NH3 0
  • NO2 64
  • O3 34
  • PM10 35
  • PM25 35
  • SO2 21
  • CH4 1,452

Sunrise / Sunset

21:09
07:40