The best times to visit Sanbu for ideal weather are

April 16th to July 8th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Sanbu Travel Info

Weather in Sanbu

Temperature

Average temperatures in Sanbu vary greatly. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 31st 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 Sanbu, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 85.6°F (29.8°C) with temperatures rarely dropping below 74.9°F (23.8°C) at night.

Sanbu Temperatures (Fahrenheit)

Key
High
Average
Low

Sanbu Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

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.

Sanbu Perceived Temperature (F)

Key
High
Average
Low

Sanbu Perceived Temperature (C)

Key
High
Average
Low

 

Average Sanbu 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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 49.8 43.5 36.1
Feb 50.4 44.6 37.3
Mar 55.6 49.7 42.6
Apr 61.9 56.5 50
May 69.5 63.7 58.2
Jun 73.6 68.6 63.9
Jul 80.3 74.7 70.1
Aug 84.4 78.7 74.2
Sep 79 74.2 70
Oct 71.2 66.8 61.7
Nov 63.2 57.9 51.1
Dec 55 48.8 41.3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 9.9 6.4 2.3
Feb 10.2 7 2.9
Mar 13.1 9.8 5.9
Apr 16.6 13.6 10
May 20.8 17.6 14.6
Jun 23.1 20.3 17.7
Jul 26.8 23.7 21.2
Aug 29.1 25.9 23.4
Sep 26.1 23.4 21.1
Oct 21.8 19.3 16.5
Nov 17.3 14.4 10.6
Dec 12.8 9.3 5.2

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Sanbu are August, January, and then July. 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 October with an average of 4 days of significant precipitation the week of October 1st.

When can you find snow in Sanbu? 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 Sanbu.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Sanbu (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 18% 0 4.2
Feb 33% 0 5.6
Mar 30% 0 4.6
Apr 32% 0 6.1
May 29% 0 5.8
Jun 29% 0 7
Jul 21% 0 4.4
Aug 15% 0 3.3
Sep 28% 0 7.9
Oct 33% 0 11.2
Nov 32% 0 5.8
Dec 24% 0 4.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 18 0 10.7
Feb 33 0 14.2
Mar 30 0 11.7
Apr 32 0 15.5
May 29 0 14.7
Jun 29 0 17.8
Jul 21 0 11.2
Aug 15 0 8.4
Sep 28 0 20.1
Oct 33 0 28.4
Nov 32 0 14.7
Dec 24 0 11.4

 

Humidity and Wind

Sanbu has some extremely humid months, with other moderately humid months on the other side of the year. The least humid month is January (49.6% relative humidity), and the most humid month is July (86.7%).

Wind in Sanbu is usually stronger than many places. The windiest month is March, followed by April and February. March’s average wind speed of around 12.8 knots (14.8 MPH or 23.8 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid February where average top sustained speeds reach 22.5 knots, which is considered a strong breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Sanbu.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

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 10.7 Gentle breeze 18.8 Strong breeze
Feb 12.5 Significant breeze 20.7 Strong breeze
Mar 12.8 Significant breeze 20.9 Strong breeze
Apr 12.7 Significant breeze 20.3 Strong breeze
May 10.9 Gentle breeze 17.6 Strong breeze
Jun 9 Gentle breeze 15 Significant breeze
Jul 10.2 Gentle breeze 15.8 Strong breeze
Aug 10.2 Gentle breeze 15.6 Significant breeze
Sep 11.2 Significant breeze 17.5 Strong breeze
Oct 11.9 Significant breeze 18.9 Strong breeze
Nov 10.9 Gentle breeze 18.2 Strong breeze
Dec 11 Significant breeze 19.1 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 49.6%
Feb 55.5%
Mar 58.3%
Apr 66%
May 75.1%
Jun 84.5%
Jul 86.7%
Aug 83.2%
Sep 79.4%
Oct 69.7%
Nov 63.6%
Dec 55.3%

 

Is it Safe to Travel to Sanbu?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for Japan; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 14, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Sanbu, Japan is January, followed by March and April. 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 Sanbu in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 73.3 in December means 73.3% of the tourists vs. January.

 

 

Overall Sanbu Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 71.4°F (21.9°C) and 51.8°F (11°C) with warmer temperatures in the later months. Rain is somewhat common with 9 to 10 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 comfortable. These months see the least precipitation with 5 to 9 days of precipitation per month. June – August is fairly slow season for tourism in Sanbu, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 81.7°F (27.6°C) and 60°F (15.6°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 8 to 10 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Sanbu to be enjoyable for warm weather travelers. The average high during this season is between 57.7°F (14.3°C) and 48.8°F (9.3°C). On average, it rains or snows a fair amount: 6 to 9 times per month. These times of year are the second busiest with tourists.

 

Best Times to Travel› Japan › Sanbu, Japan