Saitama, Japan Weather

  1. Saitama, Japan Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Saitama over the next 12 hours
  7. Temperature and possibility of rain in Saitama in the coming days
  8. Rainfall in Saitama in the coming days
  9. Saitama Weather Summary
  10. Weather averages by month
  11. Saitama's weather
  12. Frequently asked questions
  13. Comments
Saitama, Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
20°C
68.0°F
°C °F

Condition: Clear Sky

Pressure: 1,018 hPa

Feel like: 21 °C

Temperature: 20°C

Cloud: 4%

Humidity: 74%

Wind: E - 4 km/h

Visibility: 35.46 km

Weather forecast

Sun
11 Oct
16°C / 24°C
Mainly Clear
Mon
12 Oct
16°C / 26°C
Overcast
Tue
13 Oct
17°C / 27°C
Moderate Drizzle
Wed
14 Oct
15°C / 23°C
Overcast
Thu
15 Oct
15°C / 23°C
Overcast
Hourly forecast today:
10:00 AM
15° / 20°
15° / 20°
Clear Sky
74% 17 km/h
11:00 AM
16° / 19°
16° / 19°
Clear Sky
80% 11 km/h
12:00 PM
16° / 18°
16° / 18°
Clear Sky
84% 8 km/h
13:00 PM
15° / 18°
15° / 18°
Clear Sky
85% 6 km/h
14:00 PM
15° / 17°
15° / 17°
Clear Sky
87% 7 km/h
15:00 PM
15° / 17°
15° / 17°
Clear Sky
88% 9 km/h
16:00 PM
15° / 16°
15° / 16°
Clear Sky
89% 10 km/h
17:00 PM
14° / 16°
14° / 16°
Clear Sky
90% 10 km/h
18:00 PM
14° / 16°
14° / 16°
Clear Sky
90% 10 km/h
19:00 PM
14° / 15°
14° / 15°
Clear Sky
91% 9 km/h
20:00 PM
13° / 15°
13° / 15°
Clear Sky
91% 9 km/h

30 Day Averages and Extremes

  • Average high 22.6°C
  • Average low 16.27°C
  • Hottest day 29°C (30 September 2026)
  • Coldest day 14°C (09 October 2026)
  • Average humidity 75.43%
  • Days with precipitation 22 days
  • Highest precipitation 89 mm (28 September 2026)

Yesterday's Data

  • Max: 24°C
  • Min: 14°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

Saitama's weather

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 25ºC (77.0ºF), consider wearing:
- Loose and airy fabrics like linen or cotton
- Thin, moisture-wicking socks
- Wide-brimmed sun hat
- UV-protective sunglasses

Temperature

Early
14°C / 23°C
Morning
15°C / 21°C
Afternoon
15°C / 17°C
Evening
13°C / 15°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 449
  • CO 198
  • NH3 0
  • NO2 41
  • O3 45
  • PM10 33
  • PM25 30
  • SO2 9
  • CH4 1,415

Sunrise / Sunset

20:44
08:11