WEATHERblaze

Toyama Historical Weather Data & Climate

Historical Climate Data for 15 Cities
1981–2025
Japan

Quick Climate Facts

(19812025)
Hottest City
🔥
Inami
Jul High 31.2°C
Coldest City
❄️
Kamiichi
Jan Low -14.1°C
Wettest City
🌧
Himi
2046 mm/yr
Driest City
🏜️
Kamiichi
1755 mm/yr
Hottest Month
🌡
August
Avg 25.0°C
Max 31.3°C
Coldest Month
🧊
February
Avg 1.6°C
Min -6.2°C
Cities With Data
🏙️
15
cities in Toyama
Data Coverage
📅
45 yrs
19812025

Toyama Climate Overview

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

Toyama has an average annual temperature of 12.7°C across all 15 cities, with approximately 1947 mm of annual precipitation and average humidity of 81%. Temperatures peak in August and drop to their lowest in February, while rainfall is highest during winter months.

The warmest city is Inami with average July highs of 31.2°C, while Kamiichi is the coldest with average January lows of -14.1°C. Humidity remains high throughout the year, especially during winter months, creating cold and damp conditions. These seasonal patterns make summer pleasant for travel, while winters can bring frost and occasional snowfall.

🏙️ Cities in Toyama — Weather History

📊 Toyama Monthly Climate Data

Monthly Climate Data
Month🌤️HighLowAvgHumid %Rain (mm)Wind (m/s)Solar (kWh/m²)
January🌧️8.2°C-6.1°C1.0°C86%1863.91.80
February9.3°C-6.2°C1.6°C84%1303.82.60
March14.5°C-3.8°C5.3°C80%1273.53.60
April20.5°C-0.1°C10.2°C76%1163.04.60
May24.5°C5.4°C14.9°C76%1222.55.10
June🌧️26.9°C11.5°C19.2°C80%1582.14.80
July🌧️30.1°C16.8°C23.5°C83%2062.24.70
August🌧️31.3°C18.6°C25.0°C81%1612.24.90
September🌧️29.1°C13.3°C21.2°C81%2022.53.80
October🌧️23.9°C6.6°C15.3°C80%1522.83.10
November🌧️18.8°C1.5°C10.2°C82%1763.32.20
December🌧️13.2°C-3.5°C4.9°C85%2113.81.60

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

🌦 Weather in Toyama Across Seasons

❄️ Winter in Toyama

February is Toyama's coldest month, with average lows reaching -6.2°C.
🌡️December to February (avg) · -5.3°C10.2°C

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

☀️ Summer in Toyama

Summer temperatures in Toyama peak in August, climbing to 31.3°C.
🌡️July to September (avg) · 16.2°C30.2°C

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

🌧️ Rainy Season in Toyama

Toyama sees its highest rainfall in December, receiving approximately 211 mm of precipitation.
🌧️July to December (avg) ·  up to 211 mm

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

📈 Toyama Monthly Averages

🌡️ Temperature Patterns

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

🌡️ Toyama Monthly Temperature Guide

August is the hottest month in Toyama, with average highs reaching 31.3°C, while February is the coldest with lows dropping to -6.2°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 Toyama

Toyama receives its highest rainfall in December, while humidity peaks during winter months.
🌧️ Wettest: December211 mm☀️ Driest: April116 mm

💧 Humidity peaks at 86% in January · annual avg 81%

📅 Toyama Yearly Climate Trends

The warmest year on record was 2023 (avg: 14.5°C), while the coldest year was 1986 (avg: 11.4°C).

📊 Key Climate Trends

  • 🌡️ Toyama's temperature shows a slight warming trend 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 15 cities in Toyama · Last 10 years · °C

Toyama's temperature shows a slight warming trend over the past decade. The region-wide average sits at 12.7°C with annual rainfall averaging 1947 mm.

🌧️ Annual Precipitation

View Range:

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

Annual rainfall in Toyama 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 15 cities in Toyama for each year.

YearMin TempAvg TempMax TempRainfall (mm)Avg HumidityAvg Wind
2025
6.1°C14.0°C21.9°C247582%3.1 m/s
2024 🌧️
6.3°C14.2°C22.1°C256082%3.0 m/s
2023 🔥
6.1°C14.5°C22.8°C211980%2.9 m/s
2022
5.4°C13.5°C21.5°C199781%3.0 m/s
2021
5.6°C13.6°C21.5°C220081%3.1 m/s
2020
6.1°C13.9°C21.6°C202481%3.0 m/s
2019
5.6°C13.9°C22.1°C176180%2.8 m/s
2018
5.0°C13.8°C22.5°C222281%3.0 m/s
2017
4.7°C12.5°C20.4°C211481%3.1 m/s
2016
5.0°C13.4°C21.8°C196381%2.9 m/s

Showing 1 to 10 of 45 years

🏙️ Explore More Cities in Toyama

❓ Frequently Asked Questions

What is the hottest city in Toyama?
Inami is the hottest city in Toyama with an average July high of 31.2°C based on 45 years of data. View Inami weather history →
What is the coldest city in Toyama?
Kamiichi is the coldest city with average January lows of -14.1°C. View Kamiichi weather history →
Which city in Toyama gets the most rain?
Himi is the wettest city in Toyama with approximately 2046 mm of annual precipitation on average.
What is the warmest month in Toyama?
August is the warmest month in Toyama, with region-wide average highs of 31.3°C and average lows of 18.6°C.
What is the coldest month in Toyama?
February is the coldest month in Toyama with average lows of -6.2°C and average highs of 9.3°C.
What is the rainiest month in Toyama?
December is the rainiest month in Toyama with approximately 211 mm on average, while April is the driest with 116 mm.
How many cities in Toyama have weather data?
WeatherBlaze has historical weather data for 15 cities in Toyama, 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 Toyama