Hirara in Spring
In spring (March, April and May), Hirara sees average daytime highs around 24°C and overnight lows near 22°C, with 438 mm of rain over about 40 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 21°C in early March to 27°C by late May. The sky is clear or mostly clear about 24% of the time across spring, and the air most often feels oppressive.
Spring is Hirara's best season of the year to visit on our travel score. For the whole year in context, see Hirara's year-round climate.
- Avg daytime high
- 24°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 438 mm
- 40 wet days
- Avg wind
- 23 km/h
- Travel score
- 6.1
- best season of the year
- Months
- Mar · Apr · May
Temperature in Hirara in Spring
Over the season highs climb from about 21°C in early March to 27°C by late May.
A typical spring day in Hirara reaches about 24°C and drops to 22°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Hirara
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.
Hirara 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 | 20° / 18° | 129 | 14.6 | 10.6 | 5.5 |
| Feb | 21° / 19° | 104 | 12.3 | 11.1 | 5.7 |
| Mar | 22° / 20° | 117 | 12.8 | 11.8 | 6.1 |
| Apr | 24° / 22° | 140 | 12.6 | 12.6 | 6.4 |
| May | 26° / 24° | 182 | 14.3 | 13.2 | 5.9 |
| Jun | 28° / 27° | 169 | 14.3 | 13.5 | 5.3 |
| Jul | 29° / 28° | 135 | 12.8 | 13.4 | 5.2 |
| Aug | 29° / 28° | 213 | 16.4 | 12.9 | 4.8 |
| Sep | 28° / 27° | 189 | 15.1 | 12.2 | 5.4 |
| Oct | 26° / 25° | 134 | 12.1 | 11.4 | 6.4 |
| Nov | 24° / 23° | 124 | 12.9 | 10.8 | 6.4 |
| Dec | 22° / 20° | 133 | 12.5 | 10.5 | 6.1 |
Cloud cover in Spring
The sky is clear or mostly clear about 24% of the time across spring.
Chance of precipitation in Spring
Hirara gets around 438 mm of rain over 40 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 23 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 30 min in early March to 13 h 24 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 5.0 kWh/m².
Hazard calendar for Hirara
In spring, Hirara overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Hirara sits in the Pacific typhoon belt; the season peaks July–October.
Is spring a good time to visit Hirara?
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 Hirara for sightseeing.
What to pack for Hirara in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Hirara sees daytime highs around 24°C and nights near 22°C. Pack rain gear. Worth having: light clothes, sun protection and a windbreaker. About 40 days see rain.
Sea temperature near Hirara in Spring
The nearest coast averages about 24°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 29°C and coldest in February near 23°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 23 | 23 | 24 | 26 | 28 | 29 | 29 | 28 | 27 | 26 | 24 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Warm | Tropical | Tropical | Tropical | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 24 | Warm |
| May | 26 | Warm |
| Jun | 28 | Warm |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 28 | Tropical |
| Oct | 27 | Warm |
| Nov | 26 | Warm |
| Dec | 24 | Warm |
UV index in Hirara in Spring
Clear-sky midday UV across spring averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Hirara peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 5 (high).
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) | 6 | 8 | 10 | 9 | 10 | 12 | 12 | 12 | 11 | 8 | 7 | 5 |
| Level | High | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 10 | Very high |
| Apr | 9 | Very high |
| May | 10 | Very high |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 7 | High |
| Dec | 5 | High |
Air quality in Hirara 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 Hirara is worst in March — around 16 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (June, 7 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) | 12 | 13 | 16 | 14 | 10 | 7 | 8 | 8 | 8 | 10 | 10 | 11 |
| Level | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 13 | Moderate |
| Mar | 16 | Moderate |
| Apr | 14 | Moderate |
| May | 10 | Good |
| Jun | 7 | Good |
| Jul | 8 | Good |
| Aug | 8 | Good |
| Sep | 8 | Good |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 11 | Good |
Where is Hirara?
Hirara sits at 24.8°N, 125.3°E, 31 m above sea level, in Japan. The nearest listed city is Miyakojima, 2.0 km away.
Topography around Hirara
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hirara.
Within 3 km, the terrain around Hirara has only modest variations in elevation — a maximum elevation change of 91 m around an average of 32 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 114 m; within 80 km, only modest variations in elevation — a maximum elevation change of 110 m.
The land around Hirara is covered by trees (31%), cropland (28%) and artificial surfaces (26%) within 3 km, water (76%) within 16 km, and water (98%) 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 Hirara (24.8038°, 125.3022°, elevation 31 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.