WEATHERblaze

Kagoshima Historical Weather Data & Climate

Historical Climate Data for 26 Cities
1981–2025
Japan

Quick Climate Facts

(19812025)
Hottest City
🔥
Satsuma
Jul High 32.7°C
Coldest City
❄️
Satsuma
Jan Low -3.0°C
Wettest City
🌧
Yakushima
2809 mm/yr
Driest City
🏜️
Akune
1983 mm/yr
Hottest Month
🌡
August
Avg 27.5°C
Max 31.8°C
Coldest Month
🧊
January
Avg 9.6°C
Min 1.2°C
Cities With Data
🏙️
26
cities in Kagoshima
Data Coverage
📅
45 yrs
19812025

Kagoshima Climate Overview

Kagoshima has a warm temperate climate with warm summers and mild winters.

Kagoshima has an average annual temperature of 17.9°C across all 26 cities, with approximately 2364 mm of annual precipitation and average humidity of 79%. Temperatures peak in August and drop to their lowest in January, while rainfall is highest during summer months.

The warmest city is Satsuma with average July highs of 32.7°C, while Satsuma is the coldest with average January lows of -3.0°C. Humidity remains high throughout the year creating warm and humid conditions. These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.

🏙️ Cities in Kagoshima — Weather History

📊 Kagoshima Monthly Climate Data

Monthly Climate Data
Month🌤️HighLowAvgHumid %Rain (mm)Wind (m/s)Solar (kWh/m²)
January🌤️18.0°C1.2°C9.6°C77%774.32.50
February19.0°C1.6°C10.3°C76%1094.33.10
March🌧️21.0°C3.4°C12.2°C76%1684.23.90
April🌧️23.4°C7.4°C15.4°C77%1933.84.80
May🌧️26.3°C12.7°C19.5°C80%2313.45.00
June🌧️28.3°C17.1°C22.7°C85%4603.44.30
July🌧️31.3°C22.0°C26.6°C86%3193.35.40
August🌧️31.8°C23.1°C27.5°C83%2443.55.40
September🌧️30.4°C18.6°C24.5°C81%2493.44.50
October27.4°C12.4°C19.9°C77%1313.63.80
November23.7°C7.0°C15.3°C77%1043.72.90
December🌤️19.8°C2.7°C11.3°C77%794.12.40

Showing average climate conditions across 45 years (1981–2025) · averaged across all 26 cities in Kagoshima

🌦 Weather in Kagoshima Across Seasons

❄️ Winter in Kagoshima

January is Kagoshima's coldest month, with average lows reaching 1.2°C.
🌡️December to February (avg) · 1.8°C18.9°C

🧥 Light layers are sufficient — this Mild Winter stays cool without prolonged hard freezes.

☀️ Summer in Kagoshima

Summer temperatures in Kagoshima peak in August, climbing to 31.8°C.
🌡️July to September (avg) · 21.2°C31.2°C

🌤️ Early mornings and evenings are most comfortable during this Hot Summer season.

🌧️ Rainy Season in Kagoshima

Kagoshima sees its highest rainfall in June, receiving approximately 460 mm of precipitation.
🌧️June to September (avg) ·  up to 460 mm

☔ Heavy Rainfall expected — carry rain gear and plan outdoor activities around these months.

📈 Kagoshima Monthly Averages

🌡️ Temperature Patterns

Region-wide monthly averages across 26 cities · 19812025 · °C

🌡️ Kagoshima Monthly Temperature Guide

August is the hottest month in Kagoshima, with average highs reaching 31.8°C, while January is the coldest with lows dropping to 1.2°C.

Temperatures rise steadily from spring, peak in August, and gradually decline through autumn into winter.

These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.

🌧️ Rainfall Distribution

Region-wide monthly rainfall · 19812025 · mm/month

💨 Humidity & Wind Speed

Monthly averages · 19812025

🌧 Rainfall & Humidity in Kagoshima

Kagoshima receives its highest rainfall in June, while humidity peaks during summer months.
🌧️ Wettest: June460 mm☀️ Driest: January77 mm

💧 Humidity peaks at 86% in July · annual avg 79%

📅 Kagoshima Yearly Climate Trends

The warmest year on record was 2024 (avg: 19.4°C), while the coldest year was 1993 (avg: 17.0°C).

📊 Key Climate Trends

  • 🌡️ Kagoshima's temperature has remained relatively stable over the past decade
  • 📈 Minimum temperatures show a slight warming trend in recent years
  • 🌧️ Rainfall has increased noticeably in recent years compared to earlier periods

🌡️ Annual Temperature Trend

View Range:

Averaged across all 26 cities in Kagoshima · Last 10 years · °C

Kagoshima's temperature has remained relatively stable over the past decade. The region-wide average sits at 17.9°C with annual rainfall averaging 2364 mm.

🌧️ Annual Precipitation

View Range:

Averaged across all 26 cities in Kagoshima · Last 10 years · mm/year

Annual rainfall in Kagoshima shows noticeable variation. Rainfall has increased noticeably in recent years compared to earlier periods.
📅 Yearly Climate Data Overview

🔥 hottest  ·  ❄️ coldest  ·  🌧️ wettest

ℹ️ Values are averages across all 26 cities in Kagoshima for each year.

YearMin TempAvg TempMax TempRainfall (mm)Avg HumidityAvg Wind
2025
11.4°C18.6°C25.8°C294381%3.6 m/s
2024 🔥
12.8°C19.4°C26.0°C329382%3.7 m/s
2023
11.5°C18.7°C25.8°C328380%3.6 m/s
2022
11.6°C18.2°C24.8°C272779%3.6 m/s
2021
11.3°C18.3°C25.2°C313080%3.8 m/s
2020
11.2°C18.2°C25.1°C313880%3.7 m/s
2019
11.8°C18.6°C25.4°C266279%3.6 m/s
2018
10.9°C18.2°C25.4°C285780%3.7 m/s
2017
11.1°C18.0°C24.9°C260079%3.7 m/s
2016
11.2°C18.4°C25.6°C340781%3.6 m/s

Showing 1 to 10 of 45 years

🏙️ Explore More Cities in Kagoshima

❓ Frequently Asked Questions

What is the hottest city in Kagoshima?
Satsuma is the hottest city in Kagoshima with an average July high of 32.7°C based on 45 years of data. View Satsuma weather history →
What is the coldest city in Kagoshima?
Satsuma is the coldest city with average January lows of -3.0°C. View Satsuma weather history →
Which city in Kagoshima gets the most rain?
Yakushima is the wettest city in Kagoshima with approximately 2809 mm of annual precipitation on average.
What is the warmest month in Kagoshima?
August is the warmest month in Kagoshima, with region-wide average highs of 31.8°C and average lows of 23.1°C.
What is the coldest month in Kagoshima?
January is the coldest month in Kagoshima with average lows of 1.2°C and average highs of 18.0°C.
What is the rainiest month in Kagoshima?
June is the rainiest month in Kagoshima with approximately 460 mm on average, while January is the driest with 77 mm.
How many cities in Kagoshima have weather data?
WeatherBlaze has historical weather data for 26 cities in Kagoshima, covering 45 years of climate records from 1981 to 2025.
Where does this climate data come from?
All data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis data. It includes monthly temperature, precipitation, humidity, wind speed, and solar radiation.

📡 Data Source

All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.

Parameters included:
  • Temperature (Min, Max)
  • Precipitation
  • Relative Humidity
  • Wind Speed
  • Solar Radiation
Data specifications:
  • Resolution: Monthly
  • Spatial: 0.5° × 0.625°
  • Source: MERRA-2
  • Coverage: 19812025
  • Cities: 26 in Kagoshima