Saito in Spring
In spring (March, April and May), Saito sees average daytime highs around 19°C and overnight lows near 14°C, with 529 mm of rain over about 37 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 14°C in early March to 23°C by late May. The sky is clear or mostly clear about 32% of the time across spring, and the air most often feels dry.
Spring is Saito's 2nd-best season to visit on our travel score. For the whole year in context, see Saito's year-round climate.
- Avg daytime high
- 19°C
- 3rd-warmest season
- Avg overnight low
- 14°C
- Rainfall
- 529 mm
- 37 wet days
- Avg wind
- 13 km/h
- Travel score
- 5.5
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Saito in Spring
Over the season highs climb from about 14°C in early March to 23°C by late May.
A typical spring day in Saito reaches about 19°C and drops to 14°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Saito
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Saito weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 12° / 8° | 79 | 7 | 10.1 | 3.6 |
| Feb | 13° / 8° | 98 | 8.1 | 10.8 | 3.7 |
| Mar | 15° / 11° | 154 | 12.2 | 11.8 | 4.6 |
| Apr | 19° / 14° | 175 | 11.7 | 12.8 | 5.7 |
| May | 22° / 18° | 200 | 12.6 | 13.6 | 6.1 |
| Jun | 25° / 22° | 387 | 17.6 | 14.1 | 5.3 |
| Jul | 28° / 25° | 224 | 14.1 | 13.9 | 5.3 |
| Aug | 29° / 26° | 210 | 15.6 | 13.2 | 4.9 |
| Sep | 27° / 24° | 268 | 15.4 | 12.2 | 5.7 |
| Oct | 23° / 20° | 174 | 10.5 | 11.2 | 6.9 |
| Nov | 19° / 15° | 108 | 8.5 | 10.4 | 6.4 |
| Dec | 14° / 10° | 80 | 6.3 | 9.9 | 4.8 |
Cloud cover in Spring
The sky is clear or mostly clear about 32% of the time across spring.
Chance of precipitation in Spring
Saito gets around 529 mm of rain over 37 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 13 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 18 min in early March to 13 h 54 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.8 kWh/m².
Hazard calendar for Saito
In spring, Saito overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Saito sits in the Pacific typhoon belt; the season peaks July–October.
Saito's rainy season runs April–September, when most of the year's rain falls.
Is spring a good time to visit Saito?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Saito for sightseeing.
What to pack for Saito in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Saito sees daytime highs around 19°C and nights near 14°C. Worth packing: a warm layer, rain gear and sun protection. About 37 days see rain.
Sea temperature near Saito in Spring
The nearest coast averages about 20°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 22 km away) is warmest in August at about 28°C and coldest in February near 18°C.
It's comfortable for a long swim from Apr 22 to Jan 1 — about 8.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 18 | 18 | 20 | 22 | 24 | 26 | 28 | 27 | 25 | 23 | 21 |
| Comfort | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Warm | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 18 | Cool |
| Mar | 18 | Cool |
| Apr | 20 | Cool |
| May | 22 | Refreshing |
| Jun | 24 | Refreshing |
| Jul | 26 | Warm |
| Aug | 28 | Warm |
| Sep | 27 | Warm |
| Oct | 25 | Warm |
| Nov | 23 | Refreshing |
| Dec | 21 | Refreshing |
UV index in Saito in Spring
Clear-sky midday UV across spring averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Saito peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 7 | 8 | 9 | 11 | 11 | 10 | 10 | 7 | 5 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 7 | High |
| Apr | 8 | Very high |
| May | 9 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Very high |
| Sep | 10 | Very high |
| Oct | 7 | High |
| Nov | 5 | Moderate |
| Dec | 3 | Moderate |
Air quality in Saito in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Saito is worst in March — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 14 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 17 | 20 | 26 | 23 | 22 | 18 | 14 | 14 | 14 | 15 | 16 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 20 | Moderate |
| Mar | 26 | Moderate |
| Apr | 23 | Moderate |
| May | 22 | Moderate |
| Jun | 18 | Moderate |
| Jul | 14 | Moderate |
| Aug | 14 | Moderate |
| Sep | 14 | Moderate |
| Oct | 15 | Moderate |
| Nov | 16 | Moderate |
| Dec | 15 | Moderate |
Where is Saito?
Saito sits at 32.1°N, 131.4°E, 8 m above sea level, in Japan. The nearest listed city is Tsuma, 2.0 km away.
Topography around Saito
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saito.
Within 3 km, the terrain around Saito has only modest variations in elevation — a maximum elevation change of 103 m around an average of 25 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 994 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,714 m.
The land around Saito is covered by cropland (40%) and trees (33%) within 3 km, trees (56%) within 16 km, and trees (64%) and water (29%) within 80 km.
Japan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 100 V · 50 / 60 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $35,951
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.2
- per 100k, 2023
- Road deaths
- 3.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 446
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Saito (32.082°, 131.3996°, elevation 8 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.