Spring (March–May): Average 10.1–18.9°C, mild climate but with relatively high rainfall, especially in April. Common activities: Picnics, flower viewing (such as cherry blossoms, but may not be as vibrant as other areas in Kanto). Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 23.0–28.4°C, hot and humid with significant rainfall. Common activities: Swimming, outdoor activities (be mindful of heatstroke), visiting museums and other indoor attractions. Recommended clothing: Light and breathable clothing, sun hat, sunglasses.
Autumn (September–November): Average 18.0–25.5°C, comfortable and pleasant climate with decreasing rainfall. Common activities: Maple leaf viewing, outings, cycling. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
Winter (December–February): Average 4.6–6.8°C, cold and dry with low rainfall. Common activities: Indoor activities, onsen trips. Recommended clothing: Warm jacket, scarf, hat, gloves.
Saitama City climatological average
Annual average temperature: approx. 16.5°C / Annual rainfall: approx. 1590 mm / Summer humidity: 70%–80% / Rainiest month: June
Saitama City monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4.6°C
32.5
February
5.6°C
59.1
March
10.1°C
135.7
April
15.7°C
155.4
May
18.9°C
186.9
June
23°C
244.5
July
28.1°C
146.7
August
28.4°C
214.9
September
25.5°C
185.6
October
18°C
118.4
November
13°C
82.5
December
6.8°C
28.6
Saitama City weather for the next seven days
10/31
Friday
Moderate rain
19.2°C/14.1°C
11/1
Saturday
Heavy rain
23.7°C/15.7°C
11/2
Sunday
Sunny
21.8°C/15.5°C
11/3
Monday
Partly Cloudy
19.4°C/14.4°C
11/4
Tuesday
Patchy rain nearby
16°C/14.5°C
11/5
Wednesday
Heavy rain
15.6°C/14.2°C
11/6
Thursday
Moderate rain
15.9°C/14.8°C
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