Omihachiman Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Omihachiman Weather Trend Graph


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

Yearly Summary 2026


35°C
Highest Temp
24 Jul. 26

-3°C
Lowest Temp
23 Jan. 26


Seasonal Breakdown

Hottest MonthAugust30.57°C

Coldest MonthJanuary0.96°C

Wettest MonthJune9.98mm

Windiest MonthJanuary19.86km/h

Frequently Asked Questions


1. What is the hottest month in Omihachiman historically?

August is historically Omihachiman's hottest month, with average maximum temperatures around 31°C. During peak heatwave events, the highest recorded temperatures have reached 37°C on 2013-08-14.

2. What is the coldest month in Omihachiman historically?

January is Omihachiman's coldest month, with average minimum temperatures around 1°C. The all-time record low of -7°C was recorded on 2016-01-26.

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

Omihachiman's average annual rainfall is approximately 2037.7mm, based on records spanning 17 years.

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

Omihachiman historically records approximately 230.4 rainy days per year. July has the highest number of rain days at an average of 22.5 days.

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

The all-time highest temperature recorded in Omihachiman is 37°C on 2013-08-14.

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

The all-time lowest temperature recorded in Omihachiman is -7°C on 2016-01-26.

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

Omihachiman experiences its strongest winds during February. The historic gust record of 65.3 kph was recorded on 2017-10-23.

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

Usually, Omihachiman's humidity peaks in July at around 80.8% and drops to its lowest in March at approximately 73.5%.