Gero weather in October

In October, Gero sees average daytime highs of 18°C and overnight lows near 10°C, with 198 mm of rain across 12.4 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 16°C by the end. The sky is clear or mostly clear about 37% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 36 min by month's end. Set against the rest of the year, October is Gero's 2nd-clearest and 8th-windiest month. For the whole year in context, see Gero's year-round climate.

Daytime high
18°
6th warmest
Overnight low
10°
8th coldest
Rainfall
198 mm
12.4 wet days
Daylight
11 h 06 min
6:04 AM – 5:08 PM
Cloud cover
56%
2nd clearest
Wind
6 km/h
8th windiest
Solar energy
3.4 kWh/m²
Travel score
5.6
out of 10

Gero is city in Gifu prefecture, Japan.

Density
41/km²
people per km²
Founded
2004

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 16°C by the end.

A typical October day in Gero reaches about 18°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 22°C. Set against its neighbours, October runs about 6°C cooler than September and about 6°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12113
22113
32113
42113
52112
62012
72012
82012
92012
102011
112011
121911
131911
141910
151910
161910
171810
18189
19189
20189
21179
22178
23178
24178
25178
26167
27167
28167
29167
30167
31156

How October really feels in Gero

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Gero weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°9712.911.79.80.0
Feb / -4°101118.110.60.1
Mar / -1°17313.45.511.71.5
Apr15° / 19013.3112.94.0
May19° / 10°20413.8013.95.6
Jun23° / 15°26917.2014.45.2
Jul26° / 19°34921014.24.8
Aug27° / 20°20418.4013.45.2
Sep24° / 16°24814.8012.25.9
Oct18° / 10°19812.4011.15.6
Nov12° / 134111.110.13.2
Dec / -2°10613.58.29.60.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24456
34456
44555
54654
64753
74753
84951
95050
105149
115149
125347
135446
145446
155545
165545
175644
185644
195743
205644
215644
225743
235743
245743
255743
265842
275743
285842
295842
305941
315842

Chance of precipitation in October

Any precipitation

Gero gets around 198 mm of rain over 12.4 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 46% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
146
245
345
445
544
644
743
843
942
1041
1140
1240
1339
1438
1538
1637
1737
1837
1937
2037
2137
2237
2337
2437
2537
2637
2737
2837
2937
3036
3136

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15032153
25331142
35431132
45630122
55830111
66029101
7622891
8652681
9672571
10692371
11732160
12761950
13771850
14801640
15811540
16831340
17851230
18861130
19881020
2089920
2190820
2292710
2393610
2493610
2594510
2694510
2796400
2896400
2996400
3097300
3197300

Wind in October

Winds average 6 km/h in October.

Across October, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over October. Sunrise moves from 5:51 AM to 6:18 AM, and sunset from 5:29 PM to 4:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:515:29
211.65:525:28
311.65:525:26
411.55:535:25
511.55:545:23
611.55:555:22
711.45:565:21
811.45:575:19
911.35:585:18
1011.35:585:16
1111.35:595:15
1211.26:005:14
1311.26:015:12
1411.16:025:11
1511.16:035:10
1611.16:045:08
1711.06:055:07
1811.06:065:06
1911.06:075:05
2010.96:085:03
2110.96:085:02
2210.96:095:01
2310.86:105:00
2410.86:114:59
2510.86:124:57
2610.76:134:56
2710.76:144:55
2810.76:154:54
2910.66:164:53
3010.66:174:52
3110.66:184:51

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.4 kWh/m².

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 5.43 kWh/m² in May across the year — October's 3.4 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.3Moderate
233.3Moderate
243.3Moderate
253.3Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.2Moderate
303.1Moderate
313.1Moderate
Planning a trip in October

Is October a good time to visit Gero?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
2nd-best month of the year
2.1
Beach & pool
6th-best month of the year

October is a reasonable time to visit Gero for sightseeing.

What to pack for Gero in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Gero sees daytime highs around 18°C and nights near 10°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Gero in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks 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 Gero peaks around July 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJul 14UV 10Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Gero in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Gero is worst in April — around 19 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1719 µg/m³Dec 1510 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar18Moderate
Apr19Moderate
May18Moderate
Jun16Moderate
Jul13Moderate
Aug12Good
Sep11Good
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is Gero?

Gero sits at 35.8°N, 137.2°E, 781 m above sea level, in Japan. The nearest listed city is Gujō, 26 km away.

Topography around Gero

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Gero.

Within 3 km, the terrain around Gero has large variations in elevation — a maximum elevation change of 771 m around an average of 639 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,745 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,123 m.

The land around Gero is covered by trees (90%) within 3 km, trees (96%) within 16 km, and trees (87%) within 80 km.

3 km
771 m
16 km
1,745 m
80 km
3,123 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Gujō 26 km · Takayama 37 km · Minokamo 40 km · Mino 41 km · Ena 42 km · Nakatsugawa 43 km · Mitake 44 km · Sekimachi 45 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
Shintoism 49%Buddhism 46%other 4%Christianity 1%

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 Gero (35.8°, 137.2333°, elevation 781 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).