The best times to visit Omachi for ideal weather are
April 30th to July 1st
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Omachi Travel Guide
Other Omachi Travel Info
Weather in Omachi
Average temperatures in Omachi vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 26th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Omachi, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 90°F (32.2°C) with temperatures rarely dropping below 69.7°F (20.9°C) at night.
Omachi Temperatures (Fahrenheit)
Omachi Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Omachi Perceived Temperature (F)
Omachi Perceived Temperature (C)
Average Omachi Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Omachi are January, December, and then November. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early July with an average of 3 days of significant precipitation the week of July 2nd.
When can you find snow in Omachi? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Omachi.
Snow on the Ground
The graph below shows the average snow on the ground in Omachi (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Omachi has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (44.5% relative humidity), and the most humid month is September (64.1%).
Wind in Omachi is usually calm. The windiest month is April, followed by March and May. April’s average wind speed of around 5.4 knots (6.2 MPH or 10 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid March where average top sustained speeds reach 12.4 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Omachi.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||4.1||Light breeze||8.6||Gentle breeze|
|Feb||4.6||Light breeze||9.6||Gentle breeze|
|Mar||5.3||Light breeze||11.2||Gentle breeze|
|Apr||5.4||Light breeze||10.9||Gentle breeze|
|May||5.2||Light breeze||10.5||Gentle breeze|
|Jun||4.3||Light breeze||9.1||Gentle breeze|
|Jul||4.8||Light breeze||9.6||Gentle breeze|
|Aug||4.4||Light breeze||8.9||Gentle breeze|
|Sep||4.1||Light breeze||8.6||Gentle breeze|
|Oct||4||Light breeze||8.3||Gentle breeze|
|Nov||4.3||Light breeze||8.8||Gentle breeze|
|Dec||4.9||Light breeze||9.8||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Omachi?
Our best data indicates this area is generally safe, except in a few regions. As of Oct 07, 2019 there are regional travel advisories for Japan; exercise normal security precautions and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 01, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Omachi, Japan is May, followed by October and March. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Omachi in July. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Omachi Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 76.6°F (24.8°C) and 46.8°F (8.2°C) with warmer temperatures in the later months. Rain is somewhat common with roughly 6 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 7 to 9 days of precipitation per month. June – August is fairly slow season for tourism in Omachi, so lodging and other accommodations may cost slightly less.
Fall (September through November)
Fall daily highs range from 83.4°F (28.6°C) and 52.3°F (11.3°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 4 to 6 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.
Winter (December through February)
Weather is far too cold this time of year in Omachi to be enjoyable for warm weather travelers. The average high during this season is between 48.4°F (9.1°C) and 38.7°F (3.7°C). On average, it rains or snows a smalll amount: 3 to 4 times per month. These times of year are the slowest with tourists.