Sarubetsu in Spring
In spring (March, April and May), Sarubetsu sees average daytime highs around 10°C and overnight lows near 0°C, with 264 mm of precipitation over about 31 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 18°C by late May. The sky is clear or mostly clear about 30% of the time across spring, and the air most often feels dry.
Spring is Sarubetsu's 3rd-best season to visit on our travel score. For the whole year in context, see Sarubetsu's year-round climate.
- Avg daytime high
- 10°C
- 3rd-warmest season
- Avg overnight low
- 0°C
- Precipitation
- 264 mm
- 31 wet days
- Avg wind
- 9 km/h
- Travel score
- 2.6
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Sarubetsu in Spring
Over the season highs climb from about 1°C in early March to 18°C by late May.
A typical spring day in Sarubetsu reaches about 10°C and drops to 0°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Sarubetsu
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 55 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Sarubetsu 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 | -2° / -13° | 61 | 6.7 | 7.1 | 9.2 | 0.0 |
| Feb | -1° / -12° | 48 | 7.2 | 7.7 | 10.2 | 0.0 |
| Mar | 4° / -6° | 77 | 9.7 | 8.2 | 11.6 | 0.1 |
| Apr | 11° / 0° | 88 | 10.8 | 4.1 | 13.1 | 2.6 |
| May | 16° / 7° | 100 | 10.8 | 0.4 | 14.4 | 5.0 |
| Jun | 19° / 11° | 89 | 9.8 | 0 | 15.1 | 5.9 |
| Jul | 22° / 15° | 114 | 11.3 | 0 | 14.8 | 6.2 |
| Aug | 24° / 17° | 159 | 13.1 | 0 | 13.8 | 6.2 |
| Sep | 21° / 12° | 171 | 12.5 | 0 | 12.3 | 5.9 |
| Oct | 15° / 5° | 115 | 10.2 | 0.1 | 10.8 | 4.7 |
| Nov | 8° / -1° | 81 | 9.4 | 2.2 | 9.5 | 1.5 |
| Dec | 1° / -9° | 76 | 8 | 6.6 | 8.9 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 30% of the time across spring.
Chance of precipitation in Spring
Sarubetsu gets around 264 mm of rain and snow over 31 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 14 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 4.9 kWh/m².
Hazard calendar for Sarubetsu
In spring, Sarubetsu overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Sarubetsu sits in the Pacific typhoon belt; the season peaks July–October.
Is spring a good time to visit Sarubetsu?
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 Sarubetsu.
What to pack for Sarubetsu in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Sarubetsu sees daytime highs around 10°C and nights near 0°C. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 31 days see rain.
Sea temperature near Sarubetsu in Spring
The nearest coast averages about 3°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 36 km away) is warmest in August at about 18°C and coldest in February near 1°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 3 | 1 | 1 | 3 | 6 | 11 | 15 | 18 | 17 | 14 | 10 | 7 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 3 | Bracing |
| Feb | 1 | Bracing |
| Mar | 1 | Bracing |
| Apr | 3 | Bracing |
| May | 6 | Bracing |
| Jun | 11 | Bracing |
| Jul | 15 | Cool |
| Aug | 18 | Cool |
| Sep | 17 | Cool |
| Oct | 14 | Bracing |
| Nov | 10 | Bracing |
| Dec | 7 | Bracing |
UV index in Sarubetsu 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 Sarubetsu peaks around August 18 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 | 5 | 9 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Moderate | 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 | Very high |
| Jul | 5 | Moderate |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Sarubetsu 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 Sarubetsu is worst in April — around 15 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 6 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) | 7 | 10 | 14 | 15 | 13 | 9 | 9 | 8 | 7 | 8 | 7 | 6 |
| Level | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 10 | Good |
| Mar | 14 | Moderate |
| Apr | 15 | Moderate |
| May | 13 | Moderate |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 8 | Good |
| Sep | 7 | Good |
| Oct | 8 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is Sarubetsu?
Sarubetsu sits at 42.9°N, 143.3°E, 25 m above sea level, in Japan. The nearest listed city is Obihiro, 12 km away.
Topography around Sarubetsu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sarubetsu.
Within 3 km, the terrain around Sarubetsu has only modest variations in elevation — a maximum elevation change of 155 m around an average of 86 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 333 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.
The land around Sarubetsu is covered by cropland (52%) and trees (40%) within 3 km, trees (43%) and cropland (42%) within 16 km, and trees (65%) 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 Sarubetsu (42.8724°, 143.3376°, elevation 25 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.