Ashibetsu in Spring
In spring (March, April and May), Ashibetsu sees average daytime highs around 9°C and overnight lows near -0°C, with 248 mm of precipitation over about 43 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about -1°C in early March to 17°C by late May. The sky is clear or mostly clear about 20% of the time across spring, and the air most often feels dry.
Spring is Ashibetsu's 3rd-best season to visit on our travel score. For the whole year in context, see Ashibetsu's year-round climate.
- Avg daytime high
- 9°C
- 3rd-warmest season
- Avg overnight low
- -0°C
- Precipitation
- 248 mm
- 43 wet days
- Avg wind
- 9 km/h
- Travel score
- 2.0
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Ashibetsu in Spring
Over the season highs climb from about -1°C in early March to 17°C by late May.
A typical spring day in Ashibetsu reaches about 9°C and drops to -0°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Ashibetsu
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 58 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Ashibetsu 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 | -5° / -12° | 67 | 16.2 | 20.5 | 9.1 | 0.0 |
| Feb | -3° / -11° | 56 | 14.3 | 17.9 | 10.2 | 0.0 |
| Mar | 1° / -7° | 75 | 15.6 | 16.6 | 11.6 | 0.0 |
| Apr | 9° / 0° | 80 | 14.1 | 7.4 | 13.2 | 1.6 |
| May | 16° / 6° | 94 | 13.3 | 0.6 | 14.5 | 4.4 |
| Jun | 19° / 12° | 88 | 12.4 | 0 | 15.2 | 5.6 |
| Jul | 23° / 16° | 142 | 14.8 | 0 | 14.9 | 5.9 |
| Aug | 24° / 17° | 176 | 14.8 | 0 | 13.8 | 5.9 |
| Sep | 20° / 11° | 144 | 14.4 | 0 | 12.3 | 5.4 |
| Oct | 13° / 4° | 119 | 15.7 | 1.5 | 10.8 | 3.2 |
| Nov | 5° / -3° | 113 | 18.7 | 13.4 | 9.5 | 0.4 |
| Dec | -2° / -9° | 92 | 18.7 | 22.1 | 8.8 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 20% of the time across spring.
Chance of precipitation in Spring
Ashibetsu gets around 248 mm of rain and snow over 43 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 9 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 54 min in early March to 15 hours 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 4.9 kWh/m².
Is spring a good time to visit Ashibetsu?
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 weaker month for outdoor sightseeing in Ashibetsu.
What to pack for Ashibetsu in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Ashibetsu sees daytime highs around 9°C and nights near -0°C. Pack a warm layer, a heavy coat and rain gear. Worth having: sun protection. About 43 days see rain.
Sea temperature near Ashibetsu in Spring
The nearest coast averages about 7°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 61 km away) is warmest in August at about 21°C and coldest in February near 5°C.
It's comfortable for a long swim from Aug 3 to Sep 20 — about 1.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 6 | 5 | 5 | 7 | 10 | 14 | 18 | 21 | 21 | 17 | 13 | 9 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 6 | Bracing |
| Feb | 5 | Bracing |
| Mar | 5 | Bracing |
| Apr | 7 | Bracing |
| May | 10 | Bracing |
| Jun | 14 | Bracing |
| Jul | 18 | Cool |
| Aug | 21 | Refreshing |
| Sep | 21 | Refreshing |
| Oct | 17 | Cool |
| Nov | 13 | Bracing |
| Dec | 9 | Bracing |
UV index in Ashibetsu in Spring
Clear-sky midday UV across spring averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ashibetsu peaks around August 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 5 | 7 | 7 | 6 | 8 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | High | High | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 3 | Moderate |
| Apr | 5 | High |
| May | 7 | Very high |
| Jun | 7 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Ashibetsu 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 Ashibetsu is worst in April — around 17 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 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) | 8 | 11 | 16 | 17 | 15 | 11 | 11 | 9 | 8 | 9 | 9 | 7 |
| Level | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 11 | Good |
| Mar | 16 | Moderate |
| Apr | 17 | Moderate |
| May | 15 | Moderate |
| Jun | 11 | Good |
| Jul | 11 | Good |
| Aug | 9 | Good |
| Sep | 8 | Good |
| Oct | 9 | Good |
| Nov | 9 | Good |
| Dec | 7 | Good |
Where is Ashibetsu?
Ashibetsu sits at 43.5°N, 142.2°E, 111 m above sea level, in Japan. The nearest listed city is Sunagawa, 23 km away.
Topography around Ashibetsu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ashibetsu.
Within 3 km, the terrain around Ashibetsu has significant variations in elevation — a maximum elevation change of 328 m around an average of 154 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 883 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,253 m.
The land around Ashibetsu is covered by trees (71%) within 3 km, trees (90%) within 16 km, and trees (73%) 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 Ashibetsu (43.5097°, 142.1856°, elevation 111 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.