Omachi Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Omachi Weather Trend Graph


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

Yearly Summary 2026


39°C
Highest Temp
3 Aug. 26

-3°C
Lowest Temp
8 Feb. 26


Seasonal Breakdown

Hottest MonthAugust34.9°C

Coldest MonthJanuary1.77°C

Wettest MonthJune18.82mm

Windiest MonthJanuary17.49km/h

Frequently Asked Questions


1. What is the hottest month in Omachi historically?

August is historically Omachi's hottest month, with average maximum temperatures around 31°C. During peak heatwave events, the highest recorded temperatures have reached 39°C on 2026-08-03.

2. What is the coldest month in Omachi historically?

January is Omachi's coldest month, with average minimum temperatures around 3°C. The all-time record low of -5°C was recorded on 2016-01-24.

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

Omachi's average annual rainfall is approximately 2000.8mm, based on records spanning 17 years.

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

Omachi historically records approximately 197.5 rainy days per year. June has the highest number of rain days at an average of 20 days.

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

The all-time highest temperature recorded in Omachi is 39°C on 2026-08-03.

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

The all-time lowest temperature recorded in Omachi is -5°C on 2016-01-24.

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

Omachi experiences its strongest winds during January. The historic gust record of 55.4 kph was recorded on 2020-09-07.

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

Usually, Omachi's humidity peaks in July at around 82.7% and drops to its lowest in February at approximately 71.2%.