Hiratachō in Spring
In spring (March, April and May), Hiratachō sees average daytime highs around 15°C and overnight lows near 11°C, with 357 mm of precipitation over about 35 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Over the season highs climb from about 10°C in early March to 20°C by late May. The sky is clear or mostly clear about 31% of the time across spring, and the air most often feels dry.
Spring is Hiratachō's 3rd-best season to visit on our travel score. For the whole year in context, see Hiratachō's year-round climate.
- Avg daytime high
- 15°C
- 3rd-warmest season
- Avg overnight low
- 11°C
- Precipitation
- 357 mm
- 35 wet days
- Avg wind
- 20 km/h
- Travel score
- 4.3
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Hiratachō in Spring
Over the season highs climb from about 10°C in early March to 20°C by late May.
A typical spring day in Hiratachō reaches about 15°C and drops to 11°C overnight. The warmest of the three months is May, the coolest March.
Hiratachō 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 8° / 5° | 157 | 20.6 | 5 | 9.9 | 1.1 |
| Feb | 8° / 5° | 119 | 16.4 | 3.9 | 10.7 | 1.2 |
| Mar | 11° / 7° | 129 | 14.6 | 1.1 | 11.7 | 2.4 |
| Apr | 15° / 11° | 107 | 10.2 | 0 | 12.9 | 4.4 |
| May | 19° / 16° | 121 | 9.8 | 0 | 13.8 | 6.0 |
| Jun | 22° / 20° | 155 | 11.1 | 0 | 14.3 | 6.2 |
| Jul | 26° / 24° | 197 | 13.3 | 0 | 14.1 | 6.1 |
| Aug | 27° / 25° | 132 | 11.7 | 0 | 13.3 | 6.2 |
| Sep | 25° / 22° | 178 | 12.9 | 0 | 12.2 | 6.3 |
| Oct | 20° / 17° | 108 | 11 | 0 | 11.1 | 6.2 |
| Nov | 16° / 13° | 112 | 13.7 | 0 | 10.1 | 4.4 |
| Dec | 11° / 8° | 161 | 20 | 2.8 | 9.7 | 2.1 |
Cloud cover in Spring
The sky is clear or mostly clear about 31% of the time across spring.
Chance of precipitation in Spring
Hiratachō gets around 357 mm of rain and snow over 35 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 20 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 12 min in early March to 14 h 12 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 5.1 kWh/m².
Hazard calendar for Hiratachō
In spring, Hiratachō overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Hiratachō sits in the Pacific typhoon belt; the season peaks July–October.
Is spring a good time to visit Hiratachō?
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 Hiratachō for sightseeing.
What to pack for Hiratachō in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Hiratachō sees daytime highs around 15°C and nights near 11°C. Pack a warm layer and rain gear. Worth having: sun protection and a windbreaker. About 35 days see rain.
Sea temperature near Hiratachō in Spring
The nearest coast averages about 15°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 19 km away) is warmest in August at about 27°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 12 to Nov 15 — about 5.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 13 | 13 | 15 | 17 | 21 | 24 | 27 | 25 | 23 | 20 | 17 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 15 | Bracing |
| May | 17 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Warm |
| Aug | 27 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Refreshing |
| Dec | 17 | Cool |
UV index in Hiratachō in Spring
Clear-sky midday UV across spring averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Hiratachō peaks around July 19 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 5 | 7 | 8 | 9 | 10 | 10 | 9 | 6 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Hiratachō 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 Hiratachō is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (October, 10 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) | 14 | 16 | 21 | 22 | 20 | 17 | 13 | 12 | 11 | 10 | 12 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 16 | Moderate |
| Mar | 21 | Moderate |
| Apr | 22 | Moderate |
| May | 20 | Moderate |
| Jun | 17 | Moderate |
| Jul | 13 | Moderate |
| Aug | 12 | Good |
| Sep | 11 | Good |
| Oct | 10 | Good |
| Nov | 12 | Good |
| Dec | 11 | Good |
Where is Hiratachō?
Hiratachō sits at 35.4°N, 132.8°E, -1 m above sea level, in Japan. The nearest listed city is Izumo, 9.0 km away.
Topography around Hiratachō
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hiratachō.
Within 3 km, the terrain around Hiratachō has significant variations in elevation — a maximum elevation change of 402 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 527 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,689 m.
The land around Hiratachō is covered by cropland (39%) and trees (31%) within 3 km, trees (42%) and water (38%) within 16 km, and trees (48%) and water (48%) 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 Hiratachō (35.4333°, 132.8167°, elevation -1 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.