WEATHERblaze

Ōita Historical Weather Data & Climate

Historical Climate Data for 15 Cities
1981–2025
Japan

Quick Climate Facts

(19812025)
Hottest City
🔥
Tsukumiura
Jul High 32.3°C
Coldest City
❄️
Taketa
Jan Low -7.3°C
Wettest City
🌧
Taketa
2031 mm/yr
Driest City
🏜️
Kunisakimachi-tsurugawa
1657 mm/yr
Hottest Month
🌡
August
Avg 26.5°C
Max 31.9°C
Coldest Month
🧊
January
Avg 6.6°C
Min -1.7°C
Cities With Data
🏙️
15
cities in Ōita
Data Coverage
📅
45 yrs
19812025

Ōita Climate Overview

Ōita has a warm temperate climate with warm summers and cold winters.

Ōita has an average annual temperature of 16.2°C across all 15 cities, with approximately 1837 mm of annual precipitation and average humidity of 80%. Temperatures peak in August and drop to their lowest in January, while rainfall is highest during summer months.

The warmest city is Tsukumiura with average July highs of 32.3°C, while Taketa is the coldest with average January lows of -7.3°C. Humidity remains high throughout the year creating cold and damp conditions. These seasonal patterns make summer pleasant for travel, while winters can bring frost and occasional snowfall.

🏙️ Cities in Ōita — Weather History

📊 Ōita Monthly Climate Data

Monthly Climate Data
Month🌤️HighLowAvgHumid %Rain (mm)Wind (m/s)Solar (kWh/m²)
January🌤️14.9°C-1.7°C6.6°C78%583.62.50
February🌤️16.7°C-1.1°C7.8°C77%803.53.20
March19.5°C0.8°C10.1°C77%1273.24.00
April23.0°C4.3°C13.7°C77%1432.84.90
May🌧️26.3°C9.8°C18.1°C79%1752.45.20
June🌧️28.8°C14.8°C21.8°C83%3192.24.50
July🌧️31.6°C19.8°C25.7°C85%2882.25.00
August🌧️31.9°C21.2°C26.5°C83%2022.45.10
September🌧️30.0°C16.4°C23.2°C82%2052.54.10
October26.1°C10.1°C18.1°C79%1082.83.60
November🌤️22.0°C4.6°C13.3°C78%783.02.70
December🌤️17.3°C0.2°C8.7°C78%553.42.30

Showing average climate conditions across 45 years (1981–2025) · averaged across all 15 cities in Ōita

🌦 Weather in Ōita Across Seasons

❄️ Winter in Ōita

January is Ōita's coldest month, with average lows reaching -1.7°C.
🌡️December to February (avg) · -0.9°C16.3°C

🧥 Expect frosty nights and below-freezing temperatures during this Cold Winter period.

☀️ Summer in Ōita

Summer temperatures in Ōita peak in August, climbing to 31.9°C.
🌡️July to September (avg) · 19.1°C31.2°C

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

🌧️ Rainy Season in Ōita

Ōita sees its highest rainfall in June, receiving approximately 319 mm of precipitation.
🌧️June to September (avg) ·  up to 319 mm

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

📈 Ōita Monthly Averages

🌡️ Temperature Patterns

Region-wide monthly averages across 15 cities · 19812025 · °C

🌡️ Ōita Monthly Temperature Guide

August is the hottest month in Ōita, with average highs reaching 31.9°C, while January is the coldest with lows dropping to -1.7°C.

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

These seasonal patterns make summer pleasant for travel, while winters can bring frost and occasional snowfall.

🌧️ Rainfall Distribution

Region-wide monthly rainfall · 19812025 · mm/month

💨 Humidity & Wind Speed

Monthly averages · 19812025

🌧 Rainfall & Humidity in Ōita

Ōita receives its highest rainfall in June, while humidity peaks during summer months.
🌧️ Wettest: June319 mm☀️ Driest: December55 mm

💧 Humidity peaks at 85% in July · annual avg 80%

📅 Ōita Yearly Climate Trends

The warmest year on record was 2024 (avg: 17.5°C), while the coldest year was 1982 (avg: 15.3°C).

📊 Key Climate Trends

  • 🌡️ Ōita's temperature shows a slight warming trend over the past decade
  • 📈 Minimum temperatures show a slight warming trend in recent years
  • 🌧️ Rainfall varies year-to-year without a clear long-term trend

🌡️ Annual Temperature Trend

View Range:

Averaged across all 15 cities in Ōita · Last 10 years · °C

Ōita's temperature shows a slight warming trend over the past decade. The region-wide average sits at 16.2°C with annual rainfall averaging 1837 mm.

🌧️ Annual Precipitation

View Range:

Averaged across all 15 cities in Ōita · Last 10 years · mm/year

Annual rainfall in Ōita shows noticeable variation. Rainfall varies year-to-year without a clear long-term trend.
📅 Yearly Climate Data Overview

🔥 hottest  ·  ❄️ coldest  ·  🌧️ wettest

ℹ️ Values are averages across all 15 cities in Ōita for each year.

YearMin TempAvg TempMax TempRainfall (mm)Avg HumidityAvg Wind
2025 🔥
8.7°C16.9°C25.0°C212481%2.8 m/s
2024
9.9°C17.5°C25.0°C244282%2.7 m/s
2023
9.2°C17.0°C24.8°C231680%2.6 m/s
2022
8.9°C16.4°C23.8°C177179%2.6 m/s
2021
8.7°C16.4°C24.0°C227380%2.8 m/s
2020
8.8°C16.4°C23.9°C228380%2.8 m/s
2019
9.2°C16.8°C24.3°C207280%2.7 m/s
2018
8.2°C16.4°C24.5°C206780%2.7 m/s
2017
8.8°C16.3°C23.8°C193679%2.8 m/s
2016 🌧️
8.8°C16.6°C24.3°C254882%2.6 m/s

Showing 1 to 10 of 45 years

🏙️ Explore More Cities in Ōita

❓ Frequently Asked Questions

What is the hottest city in Ōita?
Tsukumiura is the hottest city in Ōita with an average July high of 32.3°C based on 45 years of data. View Tsukumiura weather history →
What is the coldest city in Ōita?
Taketa is the coldest city with average January lows of -7.3°C. View Taketa weather history →
Which city in Ōita gets the most rain?
Taketa is the wettest city in Ōita with approximately 2031 mm of annual precipitation on average.
What is the warmest month in Ōita?
August is the warmest month in Ōita, with region-wide average highs of 31.9°C and average lows of 21.2°C.
What is the coldest month in Ōita?
January is the coldest month in Ōita with average lows of -1.7°C and average highs of 14.9°C.
What is the rainiest month in Ōita?
June is the rainiest month in Ōita with approximately 319 mm on average, while December is the driest with 55 mm.
How many cities in Ōita have weather data?
WeatherBlaze has historical weather data for 15 cities in Ōita, 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: 15 in Ōita