Ōtawara in Spring
In spring (March, April and May), Ōtawara sees average daytime highs around 17°C and overnight lows near 7°C, with 367 mm of precipitation over about 38 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 10°C in early March to 23°C by late May. The sky is clear or mostly clear about 28% of the time across spring, and the air most often feels dry.
Spring is Ōtawara's 3rd-best season to visit on our travel score. For the whole year in context, see Ōtawara's year-round climate.
- Avg daytime high
- 17°C
- 3rd-warmest season
- Avg overnight low
- 7°C
- Precipitation
- 367 mm
- 38 wet days
- Avg wind
- 8 km/h
- Travel score
- 4.7
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Ōtawara in Spring
Over the season highs climb from about 10°C in early March to 23°C by late May.
A typical spring day in Ōtawara reaches about 17°C and drops to 7°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Ōtawara
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 18 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Ōtawara 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° / -1° | 54 | 7.1 | 3.1 | 9.8 | 1.2 |
| Feb | 8° / -0° | 53 | 7.6 | 2.8 | 10.6 | 1.6 |
| Mar | 12° / 2° | 104 | 12.6 | 2.2 | 11.7 | 3.0 |
| Apr | 17° / 7° | 121 | 12.4 | 0.5 | 12.9 | 5.1 |
| May | 22° / 12° | 142 | 13.4 | 0 | 13.9 | 6.0 |
| Jun | 25° / 17° | 163 | 16.2 | 0 | 14.5 | 5.5 |
| Jul | 28° / 21° | 212 | 19.7 | 0 | 14.3 | 4.4 |
| Aug | 29° / 22° | 162 | 16.7 | 0 | 13.4 | 4.4 |
| Sep | 26° / 18° | 193 | 15.3 | 0 | 12.3 | 5.6 |
| Oct | 20° / 12° | 169 | 12.9 | 0 | 11 | 5.9 |
| Nov | 15° / 6° | 80 | 8.4 | 0.1 | 10 | 4.7 |
| Dec | 10° / 1° | 51 | 6.8 | 0.9 | 9.5 | 2.5 |
Cloud cover in Spring
The sky is clear or mostly clear about 28% of the time across spring.
Chance of precipitation in Spring
Ōtawara gets around 367 mm of rain and snow over 38 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 8 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 06 min in early March to 14 h 18 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 4.7 kWh/m².
Is spring a good time to visit Ōtawara?
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 Ōtawara for sightseeing.
What to pack for Ōtawara in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Ōtawara sees daytime highs around 17°C and nights near 7°C. Pack a warm layer. Worth having: rain gear and sun protection. About 38 days see rain.
UV index in Ōtawara in Spring
Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ōtawara peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).
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 | 9 | 9 | 6 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Ōtawara 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 Ōtawara is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 9 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) | 10 | 13 | 19 | 21 | 20 | 16 | 14 | 13 | 11 | 11 | 10 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 13 | Moderate |
| Mar | 19 | Moderate |
| Apr | 21 | Moderate |
| May | 20 | Moderate |
| Jun | 16 | Moderate |
| Jul | 14 | Moderate |
| Aug | 13 | Moderate |
| Sep | 11 | Good |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Ōtawara?
Ōtawara sits at 36.9°N, 140.0°E, 205 m above sea level, in Japan. The nearest listed city is Kuroiso, 11 km away.
Topography around Ōtawara
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ōtawara.
Within 3 km, the terrain around Ōtawara has only modest variations in elevation — a maximum elevation change of 98 m around an average of 210 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 783 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,552 m.
The land around Ōtawara is covered by cropland (46%) and artificial surfaces (34%) within 3 km, trees (51%) and cropland (33%) within 16 km, and trees (71%) 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 Ōtawara (36.8667°, 140.0333°, elevation 205 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.