Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Saitama, Japan weather records

Record high and low temperatures for Saitama, Japan, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 39°C on 1987-07-23; its coldest fell to -12°C on 1990-02-02.

Records by month

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.

MonthDaytime highOvernight low
January
18°C1988-01-22
-1°C2023-01-25
6°C1989-01-20
-8°C1984-01-20
February
23°C2016-02-14
-2°C1984-02-07
8°C2010-02-26
-12°C1990-02-02
March
24°C1998-03-30
2°C1986-03-23
12°C2026-03-31
-8°C1984-03-01
April
29°C2004-04-22
4°C2010-04-16
18°C1998-04-14
-4°C2001-04-01
May
32°C2023-05-17
11°C1993-05-02
19°C2004-05-30
0°C1991-05-04
June
37°C1987-06-07
15°C1998-06-07
24°C2005-06-28
7°C2016-06-03
July
39°C1987-07-23
19°C1993-07-05
26°C2024-07-27
12°C1983-07-12
August
37°C1990-08-23
19°C2003-08-14
26°C2025-08-06
14°C1981-08-06
September
38°C1984-09-02
16°C1995-09-17
25°C2020-09-03
6°C2001-09-23
October
32°C1984-10-03
10°C2010-10-28
21°C2024-10-04
1°C1983-10-30
November
25°C2023-11-02
3°C2016-11-24
15°C2015-11-09
-3°C1981-11-29
December
22°C2015-12-11
0°C2002-12-09
11°C1990-12-01
-7°C2012-12-27

Records by season

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).

SeasonDaytime highOvernight low
Winter (Dec–Feb)
23°C2016-02-14
-2°C1984-02-07
11°C1990-12-01
-12°C1990-02-02
Spring (Mar–May)
32°C2023-05-17
2°C1986-03-23
19°C2004-05-30
-8°C1984-03-01
Summer (Jun–Aug)
39°C1987-07-23
15°C1998-06-07
26°C2025-08-06
7°C2016-06-03
Autumn (Sep–Nov)
38°C1984-09-02
3°C2016-11-24
25°C2020-09-03
-3°C1981-11-29

All-time records

The most extreme value Saitama has recorded for each metric across its entire history.

High

Highest 39°C 1987-07-23
Lowest -2°C 1984-02-07

Low

Highest 26°C 2025-08-06
Lowest -12°C 1990-02-02

Feels-like

Highest 61°C 1987-07-23
Lowest -19°C 1984-02-08

Humidity

Highest 24.1 g/m³ 2024-08-13
Lowest 2.1 g/m³ 2023-01-25

Wind

Highest 77 km/h 2018-10-01
Lowest 5 km/h 2010-09-11

Precip

Wettest 201 mm 2023-06-02
Driest 41-day dry spell 1981-01-03

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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