Minato climate

Japan · 34.22°N, 135.15°E · elevation 5 m · population 375,339

Warmest month
August
high 30 °C85 °F
Coldest month
January
low 6 °C43 °F
Wettest month
September
238 mm9.4 in
Best time to visit
May and November
by our comfort score
Annual precipitation
1,825 mm72 in
January driest
Year average
18 °C64 °F
humid subtropical (Cfa)

Minato (Japan) has a humid subtropical climate (Köppen Cfa). The average temperature over the year is 18 °C64 °F, and about 1,825 mm72 in of precipitation falls in an average year.

Temperature by month

Average highAverage low
5°10°15°20°25°30°35°50°60°70°80°90°JFMAMJJASOND30°85°6°43°January: high 10 °C / 50 °F, low 6 °C / 43 °FFebruary: high 11 °C / 52 °F, low 6 °C / 44 °FMarch: high 14 °C / 57 °F, low 9 °C / 47 °FApril: high 18 °C / 64 °F, low 13 °C / 55 °FMay: high 22 °C / 71 °F, low 17 °C / 62 °FJune: high 25 °C / 77 °F, low 21 °C / 69 °FJuly: high 28 °C / 83 °F, low 25 °C / 76 °FAugust: high 30 °C / 85 °F, low 26 °C / 78 °FSeptember: high 27 °C / 81 °F, low 23 °C / 74 °FOctober: high 23 °C / 73 °F, low 18 °C / 65 °FNovember: high 18 °C / 64 °F, low 14 °C / 57 °FDecember: high 13 °C / 55 °F, low 8 °C / 47 °F

Precipitation by month

Precipitation per month (mminches)
05010015020025002468JJanuary: 63 mm / 2.5 inFFebruary: 83 mm / 3.3 inMMarch: 116 mm / 4.6 inAApril: 133 mm / 5.2 inMMay: 164 mm / 6.4 inJJune: 231 mm / 9.1 inJJuly: 231 mm / 9.1 inAAugust: 191 mm / 7.5 inSSeptember: 238 mm / 9.4 inOOctober: 197 mm / 7.8 inNNovember: 98 mm / 3.9 inDDecember: 79 mm / 3.1 in2389.4

Minato climate table

Monthly averages, 2001–2025
MonthHigh °C°FLow °C°FMean °C°FPrecip. mmin
Jan1050643847632.5
Feb1152644948833.3
Mar145794711521164.6
Apr1864135515591335.2
May2271176219671646.4
Jun2577216923732319.1
Jul2883257626792319.1
Aug3085267828821917.5
Sep2781237425772389.4
Oct2373186521691977.8
Nov186414571660983.9
Dec13558471151793.1
Year308564318641,82572

“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.

Humidity, cloud, sun and daylight
MonthHumid.CloudSolarDaylight
Jan77%70%2.310:06
Feb76%69%3.010:54
Mar74%65%4.011:53
Apr75%64%4.812:00
May80%67%5.313:56
Jun84%79%4.814:25
Jul87%73%4.914:13
Aug83%62%5.213:25
Sep80%68%4.112:20
Oct77%63%3.311:15
Nov75%60%2.610:20
Dec76%65%2.19:53

Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.

What the climate of Minato is like

The warmest month is August, with an average high of 30 °C85 °F and a low of 26 °C78 °F. The coldest is January, when highs average 10 °C50 °F and lows 6 °C43 °F. Seasons are strongly marked: the warmest month is on average 19.5 °C35.1 °F warmer than the coldest.

It is wet, with about 1,825 mm72 in of precipitation per year. The wettest three-month stretch is July–September, which brings 36% of the annual total. The wettest month is September (238 mm9.4 in), the driest is January (63 mm2.5 in).

Relative humidity ranges from 74% in March to 87% in July. The clearest skies (lowest average cloud amount, 60%) are typical of November. Average wind speed near the ground ranges from 8 km/h (5 mph) in June to 14 km/h (9 mph) in January. Daylight lasts from about 9.9 hours in December to 14.4 hours in June.

Best time to visit Minato

Based on these averages, the most comfortable months for sightseeing and outdoor activities are May and November. Average highs then reach 18 °C64 °F to 22 °C71 °F. Precipitation is 98 mm3.9 in to 164 mm6.4 in per month.

The most challenging month is July, which is very wet (231 mm9.1 in) and humid (87% relative humidity).

Comfort score: months are ranked by how close they come to an ideal. That means an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.

What to pack for Minato

  • Winter (December–February) — highs 1050 to 13 °C55 °F, lows 643 to 8 °C47 °F, about 75 mm3.0 in of precipitation a month. Pack long sleeves, a sweater and a medium jacket.
  • Spring (March–May) — highs 1457 to 22 °C71 °F, lows 947 to 17 °C62 °F, about 138 mm5.4 in of precipitation a month. Pack long sleeves, a sweater and a medium jacket and an umbrella or light rain jacket.
  • Summer (June–August) — highs 2577 to 30 °C85 °F, lows 2169 to 26 °C78 °F, about 218 mm8.6 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and a good rain jacket or umbrella and quick-drying shoes.
  • Autumn (September–November) — highs 1864 to 27 °C81 °F, lows 1457 to 23 °C74 °F, about 178 mm7.0 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket and an umbrella or light rain jacket.

How Minato compares

The nearest larger place is Kobe, about 53 km to the north. Compared with it, Minato is on average 1 °C1.8 °F warmer. It receives 20% more precipitation (1,825 mm72 in vs 1,526 mm60 in). The difference is largest in February (1.5 °C2.6 °F warmer).

World Climates covers 111 places in Japan. By annual mean temperature, Minato is the 10th warmest of them. By annual precipitation, it is the 32nd wettest. See all of them on the Japan climate page.

Some places in other countries have a very similar pattern of temperature and rainfall. The closest matches are Zhoushan (China, Cfa), Taizhou (China, Cfa) and Jeju City (South Korea, Cfa).

The same NASA POWER grid cell also contains Wakayama (pop. 356,729). Their long-term averages in this dataset are essentially the same as for Minato, so they do not have separate pages.

Nearby places

All places in Japan

Frequently asked questions

What is the warmest month in Minato?

August is the warmest month in Minato. Its average high is 30 °C (85 °F) and its average low is 26 °C (78 °F).

What is the coldest month in Minato?

January is the coldest month. Its average high is 10 °C (50 °F) and its average low is 6 °C (43 °F).

When does it rain the most in Minato?

September is the wettest month with about 238 mm (9.4 in) of precipitation. January is the driest with about 63 mm (2.5 in).

What is the best time to visit Minato?

Judging by long-term averages, the most comfortable months are May and November.

About this data

All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station. So they can differ from airport records. The gaps are largest on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.

The grid cell’s average elevation is 68 m, while Minato lies at about 5 m. Temperatures on this page were therefore adjusted by +0.4 °C0.7 °F using the standard lapse rate of 6.5 °C per 1,000 m.

Sources and method