Shiroishi Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Shiroishi Weather Trend Graph


Temperature (°C)
.
Months
Max Temp.
Historic Max Temp.
Min Temp.
Historic Min Temp.

Yearly Summary 2026


35°C
Highest Temp
20 Jul. 26

-5°C
Lowest Temp
9 Feb. 26


Seasonal Breakdown

Hottest MonthJuly27.16°C

Coldest MonthJanuary-1.76°C

Wettest MonthJune7.91mm

Windiest MonthJanuary22.3km/h

Frequently Asked Questions


1. What is the hottest month in Shiroishi historically?

August is historically Shiroishi's hottest month, with average maximum temperatures around 28°C. During peak heatwave events, the highest recorded temperatures have reached 36°C on 2025-08-23.

2. What is the coldest month in Shiroishi historically?

January is Shiroishi's coldest month, with average minimum temperatures around -2°C. The all-time record low of -8°C was recorded on 2018-01-24.

3. What is the average annual rainfall in Shiroishi over the past 17 years?

Shiroishi's average annual rainfall is approximately 1399.9mm, based on records spanning 17 years.

4. How many rainy days does Shiroishi experience on average per year?

Shiroishi historically records approximately 209 rainy days per year. September has the highest number of rain days at an average of 20.1 days.

5. What is the all-time highest temperature ever recorded in Shiroishi?

The all-time highest temperature recorded in Shiroishi is 36°C on 2025-08-23.

6. What is the all-time lowest temperature ever recorded in Shiroishi?

The all-time lowest temperature recorded in Shiroishi is -8°C on 2018-01-24.

7. What is the windiest time of year in Shiroishi historically?

Shiroishi experiences its strongest winds during January. The historic gust record of 55.3 kph was recorded on 2012-04-04.

8. What is the highest and lowest humidity in Shiroishi during a year?

Usually, Shiroishi's humidity peaks in July at around 84.06% and drops to its lowest in April at approximately 70.3%.