The best times to visit Sendai for ideal weather are

April 30th 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 Sendai Travel Info

Weather in Sendai


Average temperatures in Sendai vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 30th 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 Sendai, 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 86.1°F (30.1°C) with temperatures rarely dropping below 73°F (22.8°C) at night.

Sendai Temperatures (Fahrenheit)


Sendai Temperatures (Celsius)


“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.

Sendai Perceived Temperature (F)


Sendai Perceived Temperature (C)



Average Sendai 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 42 35.4 28.8
Feb 43 36 28.8
Mar 49.8 41.7 33.5
Apr 59.1 50.7 42.1
May 69.1 60.4 52.5
Jun 74.7 67.4 61.3
Jul 81 74.1 68.7
Aug 84 76.9 71.3
Sep 77.9 70.6 64
Oct 68.6 60.7 52.8
Nov 57.4 49.8 41.9
Dec 46.8 40.1 33.3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 5.6 1.9 -1.8
Feb 6.1 2.2 -1.8
Mar 9.9 5.4 0.8
Apr 15.1 10.4 5.6
May 20.6 15.8 11.4
Jun 23.7 19.7 16.3
Jul 27.2 23.4 20.4
Aug 28.9 24.9 21.8
Sep 25.5 21.4 17.8
Oct 20.3 15.9 11.6
Nov 14.1 9.9 5.5
Dec 8.2 4.5 0.7



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Sendai are January, November, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid January. For example, on the week of January 15th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late August to early September with an average of 3 days of significant precipitation the week of August 27th.

When can you find snow in Sendai? Weather stations report a good amount of seasonal snow likely to be deepest around February, especially close to early to mid February. The best time to ski (if at all) in Sendai is often around around December 17th when fresh powder is deepest. 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 Sendai.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 10% 3.5 1.4
Feb 22% 4 6.4
Mar 18% 0 3.4
Apr 22% 0 4.2
May 22% 0 5
Jun 27% 0 6.1
Jul 34% 0 6.2
Aug 27% 0 5.4
Sep 29% 0 8.4
Oct 22% 0 6.1
Nov 17% 0 2.9
Dec 18% 0.7 3.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 10 8.9 3.6
Feb 22 10.2 16.3
Mar 18 0 8.6
Apr 22 0 10.7
May 22 0 12.7
Jun 27 0 15.5
Jul 34 0 15.7
Aug 27 0 13.7
Sep 29 0 21.3
Oct 22 0 15.5
Nov 17 0 7.4
Dec 18 1.8 8.1


Humidity and Wind

Sendai has some very humid months, with other comfortably humid months. The least humid month is March (51.5% relative humidity), and the most humid month is July (77.6%).

Wind in Sendai is usually calm. The windiest month is March, followed by February and April. March’s average wind speed of around 7 knots (8.1 MPH or 13 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early April where average top sustained speeds reach 15.9 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

Avg. Relative Humidity


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

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 6.7 Light breeze 13.8 Significant breeze
Feb 7 Gentle breeze 14.3 Significant breeze
Mar 7 Gentle breeze 14.3 Significant breeze
Apr 6.9 Light breeze 14 Significant breeze
May 6.3 Light breeze 12.9 Significant breeze
Jun 5.4 Light breeze 10.6 Gentle breeze
Jul 4.7 Light breeze 9.6 Significant breeze
Aug 4.7 Light breeze 9.4 Gentle breeze
Sep 5.6 Light breeze 11.1 Significant breeze
Oct 5.9 Light breeze 11.8 Significant breeze
Nov 5.9 Light breeze 11.9 Significant breeze
Dec 6.4 Light breeze 13.1 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 53.7%
Feb 52.8%
Mar 51.5%
Apr 52.8%
May 59.8%
Jun 73.4%
Jul 77.6%
Aug 75.5%
Sep 71%
Oct 62.4%
Nov 59.2%
Dec 57.8%


Is it Safe to Travel to Sendai?

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 Sendai, 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 Sendai 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

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 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 Sendai Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 71.3°F (21.8°C) and 44.9°F (7.2°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 7 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 most precipitation with 8 to 11 days of precipitation per month. June – August is fairly slow season for tourism in Sendai, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 80.8°F (27.1°C) and 52.9°F (11.6°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 5 to 9 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 Sendai to be enjoyable for warm weather travelers. The average high during this season is between 50.1°F (10.1°C) and 40.7°F (4.8°C). On average, it rains or snows a fair amount: 3 to 6 times per month. These times of year are the second busiest with tourists.


Best Times to TravelJapan › Sendai, Japan