Hatogaya-honchō in Fall
In fall (September, October and November), Hatogaya-honchō sees average daytime highs around 22°C and overnight lows near 15°C, with 479 mm of rain over about 36 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 29°C in early September to 14°C by late November. The sky is clear or mostly clear about 34% of the time across fall, and the air most often feels dry.
Fall is Hatogaya-honchō's best season of the year to visit on our travel score. For the whole year in context, see Hatogaya-honchō's year-round climate.
- Avg daytime high
- 22°C
- 2nd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 479 mm
- 36 wet days
- Avg wind
- 11 km/h
- Travel score
- 5.7
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Hatogaya-honchō in Fall
Over the season highs ease from about 29°C in early September to 14°C by late November.
A typical fall day in Hatogaya-honchō reaches about 22°C and drops to 15°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Hatogaya-honchō
Once humidity and wind are folded in, fall brings about 3 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Hatogaya-honchō weather by month
How the three fall months (September, October and November) 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 | 9° / 1° | 67 | 6.9 | 1.2 | 9.8 | 2.1 |
| Feb | 10° / 2° | 62 | 7.5 | 1.5 | 10.6 | 2.4 |
| Mar | 13° / 5° | 113 | 11.6 | 0.8 | 11.7 | 3.7 |
| Apr | 18° / 10° | 113 | 11.4 | 0 | 12.9 | 5.5 |
| May | 23° / 15° | 129 | 11.8 | 0 | 13.9 | 6.4 |
| Jun | 25° / 19° | 159 | 13.6 | 0 | 14.4 | 5.8 |
| Jul | 29° / 23° | 149 | 12.9 | 0 | 14.2 | 4.9 |
| Aug | 31° / 25° | 110 | 10.8 | 0 | 13.4 | 4.5 |
| Sep | 27° / 21° | 180 | 13.6 | 0 | 12.2 | 5.6 |
| Oct | 21° / 15° | 209 | 12.9 | 0 | 11.1 | 6.1 |
| Nov | 16° / 9° | 91 | 9.8 | 0 | 10.1 | 5.3 |
| Dec | 12° / 4° | 59 | 7.5 | 0.2 | 9.6 | 3.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 34% of the time across fall.
Chance of precipitation in Fall
Hatogaya-honchō gets around 479 mm of rain over 36 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 11 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early September to 9 h 48 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.0 kWh/m².
Hazard calendar for Hatogaya-honchō
In fall, Hatogaya-honchō overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Hatogaya-honchō sits in the Pacific typhoon belt; the season peaks July–October.
Is fall a good time to visit Hatogaya-honchō?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Hatogaya-honchō for sightseeing.
What to pack for Hatogaya-honchō in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Hatogaya-honchō sees daytime highs around 22°C and nights near 15°C. Pack rain gear. Worth having: light clothes and a warm layer. About 36 days see rain.
Sea temperature near Hatogaya-honchō in Fall
The nearest coast averages about 22°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 26 km away) is warmest in August at about 26°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 13 | 15 | 18 | 21 | 23 | 26 | 25 | 22 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 15 | Cool |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 23 | Refreshing |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Hatogaya-honchō in Fall
Clear-sky midday UV across fall 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 Hatogaya-honchō peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 | 4 | 6 | 8 | 9 | 10 | 9 | 9 | 6 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | 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 | Moderate |
Air quality in Hatogaya-honchō in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Hatogaya-honchō is worst in April — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 14 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) | 15 | 21 | 25 | 26 | 24 | 20 | 17 | 16 | 16 | 16 | 16 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 21 | Moderate |
| Mar | 25 | Moderate |
| Apr | 26 | Moderate |
| May | 24 | Moderate |
| Jun | 20 | Moderate |
| Jul | 17 | Moderate |
| Aug | 16 | Moderate |
| Sep | 16 | Moderate |
| Oct | 16 | Moderate |
| Nov | 16 | Moderate |
| Dec | 14 | Moderate |
Where is Hatogaya-honchō?
Hatogaya-honchō sits at 35.8°N, 139.7°E, 18 m above sea level, in Japan. The nearest listed city is Toneri, 4.0 km away.
Topography around Hatogaya-honchō
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hatogaya-honchō.
Within 3 km, the terrain around Hatogaya-honchō has only modest variations in elevation — a maximum elevation change of 30 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 76 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,033 m.
The land around Hatogaya-honchō is covered by artificial surfaces (83%) within 3 km, artificial surfaces (77%) within 16 km, and trees (39%) and artificial surfaces (28%) 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 Hatogaya-honchō (35.8331°, 139.7425°, elevation 18 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.