Rifu weather in October

In October, Rifu sees average daytime highs of 19°C and overnight lows near 14°C, with 159 mm of rain across 11.2 wet days and about 11 hours of daylight. It is the 5th-warmest and 4th-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 32% 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 24 min by month's end. Set against the rest of the year, October is Rifu's 7th-clearest and 7th-windiest month. For the whole year in context, see Rifu's year-round climate.

Daytime high
19°
5th warmest
Overnight low
14°
8th coldest
Rainfall
159 mm
11.2 wet days
Daylight
11 hours
5:52 AM – 4:51 PM
Cloud cover
60%
7th clearest
Wind
13 km/h
7th windiest
Solar energy
3.04 kWh/m²
Travel score
5.8
out of 10

Rifu is town in Miyagi district, Miyagi prefecture, Japan.

Density
802/km²
people per km²
Founded
1967

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 Rifu reaches about 19°C in the afternoon and slips back to 14°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°C. Set against its neighbours, October runs about 5°C cooler than September and about 5°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12117
22116
32116
42116
52016
62016
72015
82015
92015
102015
111915
121914
131914
141914
151914
161914
171813
181813
191813
201813
211813
221812
231712
241712
251712
261712
271711
281711
291611
301611
311611

How October really feels in Rifu

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.

Rifu weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 568.14.39.60.1
Feb / 477.43.710.50.3
Mar / 9110.62.511.71.6
Apr13° / 10010.50.4133.5
May17° / 12°11310.7014.15.3
Jun20° / 17°13413014.65.6
Jul24° / 21°18916.3014.45.6
Aug26° / 22°16214.9013.55.8
Sep23° / 19°17913.9012.36.0
Oct19° / 14°15911.20115.8
Nov13° / 677.909.94.0
Dec / 558.62.59.41.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33961
43961
54060
64060
74159
84258
94357
104357
114456
124555
134654
144654
154753
164753
174852
184951
195050
205050
215248
225248
235347
245347
255545
265545
275743
285842
295941
306040
316139

Chance of precipitation in October

Any precipitation

Rifu gets around 159 mm of rain over 11.2 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 35% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
341
441
541
640
740
839
938
1038
1137
1237
1336
1436
1536
1635
1735
1835
1934
2034
2134
2234
2333
2433
2532
2631
2731
2830
2929
3028
3128

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
129332991
230332881
332342671
434342570
536342360
638352260
740342050
842341940
945341740
1047331640
1150321530
1252321330
1355311220
1458291120
1560281020
166227920
176526810
186824710
197023610
207222510
217520410
227819300
238017300
248116300
258315200
268513200
278612200
288811100
298910100
30909100
31918100

Wind in October

Winds average 13 km/h in October.

Across October, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over October. Sunrise moves from 5:37 AM to 6:07 AM, and sunset from 5:13 PM to 4:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:375:13
211.65:385:12
311.55:395:10
411.55:405:09
511.45:415:07
611.45:425:05
711.45:435:04
811.35:445:02
911.35:455:01
1011.25:464:59
1111.25:474:58
1211.15:484:56
1311.15:494:55
1411.15:504:54
1511.05:514:52
1611.05:524:51
1710.95:534:49
1810.95:544:48
1910.95:554:47
2010.85:564:45
2110.85:574:44
2210.75:584:43
2310.75:594:41
2410.76:004:40
2510.66:014:39
2610.66:024:38
2710.66:034:36
2810.56:044:35
2910.56:054:34
3010.46:064:33
3110.46:074:32

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.04 kWh/m².

For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 5.38 kWh/m² in May across the year — October's 3.04 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.2Moderate
43.2Moderate
53.2Moderate
63.2Moderate
73.2Moderate
83.2Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in October

Hazard calendar for Rifu

In seasonPeak

In October, Rifu sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Rifu sits in the Pacific typhoon belt; the season peaks July–October.

Rifu's rainy season runs March–October, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Rifu?

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

5.8
Sightseeing
2nd-best month of the year
2.3
Beach & pool
5th-best month of the year

October is a reasonable time to visit Rifu for sightseeing.

What to pack for Rifu in October

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

In October, Rifu sees daytime highs around 19°C and nights near 14°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Rifu in October

The nearest coast averages about 19°C in October — 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 24°C and coldest in March near 9°C.

It's comfortable for a long swim from Jul 7 to Oct 10 — about 3.2 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb9Bracing
Mar9Bracing
Apr10Bracing
May14Bracing
Jun18Cool
Jul21Refreshing
Aug24Refreshing
Sep23Refreshing
Oct19Cool
Nov17Cool
Dec14Bracing

UV index in Rifu in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks 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 Rifu peaks around August 16 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 16UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Rifu 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 Rifu is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1621 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun14Moderate
Jul12Good
Aug10Good
Sep10Good
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is Rifu?

Rifu sits at 38.3°N, 141.0°E, 7 m above sea level, in Japan. The nearest listed city is Tagajō-shi, 4.0 km away.

Topography around Rifu

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

Within 3 km, the terrain around Rifu has only modest variations in elevation — a maximum elevation change of 143 m around an average of 46 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 345 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,840 m.

The land around Rifu is covered by trees (46%) and artificial surfaces (33%) within 3 km, trees (33%), artificial surfaces (25%) and water (22%) within 16 km, and trees (55%) and water (29%) within 80 km.

3 km
143 m
16 km
345 m
80 km
1,840 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Tagajō-shi 4.0 km · Shiogama 5.0 km · Matsushima 9.0 km · Shōbudahama 9.0 km · Tomiya 11 km · Sendai 12 km · Yoshioka 15 km · Higashimatsushima 20 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 Rifu (38.3309°, 140.9769°, elevation 7 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).