CLIMATE NOTES · May
35.91°N 139.66°E · Asia/Tokyo
CLIMATE NOTES · May
Saitama · 🇯🇵 Japan

Saitama Weather in May: Climate, Temperature & Travel Tips

Avg 18.8°C · 111mm rain — May is spring in Saitama.

AT A GLANCE
24° Avg High
14° Avg Low
111 Rain mm
Spring Season
May climate normals
Avg high
23.9 °C
Avg low
14.0 °C
Avg
18.8 °C
Precipitation
111 mm
ANNUAL CLIMATE
Saitama · Annual Climate 0 -10°40° °C 0102204 mm JFMAMJJASOND TEMP RANGE · AVG · RAINFALL

Source: Open-Meteo Archive 2014–2023 · 10-year climate normals

Climate Overview

May in Saitama, Japan brings spring conditions: average temperature 18.8°C, average high 23.9°C, average low 14.0°C. Monthly rainfall averages 111mm, making it a moderate-rainfall time of year.

Conditions are pleasant for most travel activities.

What to Pack

  • Light layers (long sleeves + light jacket for evenings)
  • Comfortable walking shoes
  • A light rain jacket as backup

Best Things to Do

  • Walking tours and city exploration
  • Parks and outdoor cafes
  • Seasonal food and night markets (where applicable)

Pros and Cons of Visiting in May

Pros:

  • Pleasant temperatures for walking and outdoor sightseeing
  • Shoulder season often means smaller crowds and lower prices

Cons:

  • No major weather drawbacks for typical activities

Climate source: Open-Meteo Archive (2014–2023).

PACKING ESSENTIALS
01 Light jacket For cooler evenings and air-conditioned interiors
02 Breathable trousers Linen or travel-stretch fabric
03 Sun hat Wide brim for UV protection outdoors
04 Sunscreen SPF 30+ Reapply every two hours
05 Light layer for rain Brief showers in warm seasons
YEAR AT A GLANCE
J
F
M
A
M
J
J
A
S
O
N
D

Colour = avg temperature · blue = cool · orange = warm

HOTTEST MONTHS
  1. 1 August 27.1°C
  2. 2 July 25.9°C
  3. 3 September 23.1°C
COOLEST MONTHS
  1. 1 January 3.6°C
  2. 2 February 4.7°C
  3. 3 December 6.1°C
Q&A

FAQ

01 What is the average temperature in Saitama in May?
+

The average is 18.8°C, with a high of 24°C and a low of 14°C.

02 What is Saitama like to visit in May?
+

It is spring in Saitama, which is ideal for outdoor exploration.

03 Does it rain often in Saitama during May?
+

Average rainfall is 111mm, which is moderate.

04 What should I pack for Saitama in May?
+

Light layers (long sleeves + light jacket for evenings); Comfortable walking shoes.

05 Is May a peak travel season for Saitama?
+

It is closer to off-season, with more reasonable prices and fewer crowds.

06 Where does this climate data come from?
+

Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.

Sources
Open-Meteo Archive 2014-2023
Updated
2026-04-17

Climate normals are averages; individual years vary.