AI-generatedNikkō at a glance
- Best time
- Apr – May
- Warmest month
- Aug · 28°
- Sunshine a year
- 1,810 h
- Rain a year
- 2,136 mm
- Climate
- Continental
- Time zone
- UTC+9
- Elevation
- 555 m
Climate in Nikkō
Nikkō has warm to hot summers and cold winters with occasional snow. August is the warmest month with average highs of 28 °C, while January is the coolest at 4 °C. With around 1,810 hours of sunshine a year, Nikkō is moderately sunny; April is the sunniest month with 5.9 hours a day.
Holiday weather through the year
Best time to visit Nikkō
The best time to visit Nikkō is from April to May. Hiking and mountain trips are best from April to June and from September to October, when the trails are largely free of snow. Rain is frequent from June to September; the wettest month is July with 344 mm.
Nikkō through the seasons
How the weather changes over the seasons, with averages for each.
Nikkō in spring
Mar – May
Fair
- 9–21 °C by day
- 5.8 h of sun a day
- 47 rainy days in all
Nikkō in summer
Jun – Aug
Fair
- 23–28 °C by day
- 4.4 h of sun a day
- 71 rainy days in all
Nikkō in autumn
Sep – Nov
Fair
- 13–24 °C by day
- 4.3 h of sun a day
- 49 rainy days in all
Nikkō in winter
Dec – Feb
Poor
- 4–7 °C by day
- 5.4 h of sun a day
- 27 rainy days in all
Which month for what?
Hiking & mountain trips
Apr – Jun, Sep – Oct
13–27 °C in the village, little snow
Rainy months
Jun – Sep
18 or more rainy days, often short showers and storms
Snow
Dec – Mar
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Nikkō for you.
Your best months: May, October
Based on the climate averages; tap a month to see its details.
Compared in:Fall foliage in Vermont
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: April – May
October is the peak of the typhoon season Hurricane season
Good forSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 13°
- Midday, 13:00: about 18°
- Afternoon, 16:00: about 17°
- Evening, 20:00: about 13°
- Night, 23:00: about 12°
05:4817:07
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:32–06:23 · evening 16:32–17:23
- Blue hour
- Morning 05:22–05:32 · evening 17:23–17:33
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Nikkō compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 21° at the start of the month to 16° at the end. The days get 1.1 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 21° | 16° |
| Night-time low | 12° | 6° |
| Daylight | 11.9 h | 10.8 h |
What is the weather like in Nikkō in October?
In October, Nikkō is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. Expect around 4.2 hours of sunshine a day. It rains often – on about 17 days, adding up to 211 mm. All in all, October is a so-so month for a holiday in Nikkō.
More details for October
- Daylight
- 11 h 19 min05:48 – 17:07
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 9 km/haverage daily peakAll months
- Cloud cover
- 64 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9offset from UTC
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %20 %
- Few rainy daysweight 30 %6 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Nikkō
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
April has the better holiday weather in Nikkō: score 64 against 56. In April, days are 2 °C cooler than in October. April has 2 fewer rainy days. The sun shines 2 hours longer a day in April.
| Month | October | April |
|---|---|---|
| Holiday weather score | 56 | 64better |
| Daytime high | 18° | 16° |
| Night-time low | 9° | 4° |
| Sunshine | 4.2 h | 5.9 hbetter |
| Rainy days | 17 | 15better |
| Rainfall | 211 mm | 157 mmbetter |
Based on the climate averages 1996–2025.
Nikkō month by month
The typical weather for every month at a glance.
28January4° · 5.5 h
In January, Nikkō is cold: daytime highs average 4 °C, and nights often drop below freezing (−6 °C). Expect around 5.5 hours of sunshine a day. Rain falls on about 9 days, adding up to 60 mm. Snow falls on about 6 days. All in all, January is not an ideal month for a holiday in Nikkō.
Nikkō in January28February5° · 5.6 h
In February, Nikkō is cold: daytime highs average 5 °C, and nights often drop below freezing (−5 °C). Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 59 mm in total. Snow falls on about 5 days. All in all, February is not an ideal month for a holiday in Nikkō.
Nikkō in February34March9° · 5.7 h
In March, Nikkō is cold: daytime highs average 9 °C, and nights often drop below freezing (−2 °C). Expect around 5.7 hours of sunshine a day. It rains often – on about 14 days, adding up to 127 mm. Snow falls on about 6 days. All in all, March is not an ideal month for a holiday in Nikkō.
Nikkō in March64April16° · 5.9 h
In April, Nikkō is cool: daytime highs average 16 °C, and nights cool down to about 4 °C. Expect around 5.9 hours of sunshine a day. It rains often – on about 15 days, adding up to 157 mm. Snow falls on about 2 days. All in all, April is a good month for a holiday in Nikkō.
Nikkō in April61May21° · 5.8 h
In May, Nikkō is mild: daytime highs average 21 °C, and nights cool down to about 9 °C. Expect around 5.8 hours of sunshine a day. It rains often – on about 17 days, adding up to 202 mm. All in all, May is a good month for a holiday in Nikkō.
Nikkō in May54June23° · 4.2 h
In June, Nikkō is warm: daytime highs average 23 °C, and nights cool down to about 14 °C. Expect around 4.2 hours of sunshine a day. It rains often – on about 22 days, adding up to 249 mm. All in all, June is a so-so month for a holiday in Nikkō.
Nikkō in June39July27° · 4.1 h
In July, Nikkō is hot: daytime highs average 27 °C, and nights cool down to about 19 °C. Expect around 4.1 hours of sunshine a day. It rains often – on about 26 days, adding up to 344 mm. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is not an ideal month for a holiday in Nikkō.
Nikkō in July35August28° · 4.8 h
In August, Nikkō is hot: daytime highs average 28 °C, and nights cool down to about 19 °C. Expect around 4.8 hours of sunshine a day. It rains often – on about 24 days, adding up to 282 mm. On about 7 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is not an ideal month for a holiday in Nikkō.
Nikkō in August53September24° · 3.8 h
In September, Nikkō is warm: daytime highs average 24 °C, and nights cool down to about 16 °C. The sun is scarce, with only about 3.8 hours a day. It rains often – on about 21 days, adding up to 280 mm. All in all, September is a so-so month for a holiday in Nikkō.
Nikkō in September56October18° · 4.2 h
In October, Nikkō is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. Expect around 4.2 hours of sunshine a day. It rains often – on about 17 days, adding up to 211 mm. All in all, October is a so-so month for a holiday in Nikkō.
Nikkō in October56November13° · 4.9 h
In November, Nikkō is cool: daytime highs average 13 °C, and nights cool down to about 3 °C. Expect around 4.9 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 100 mm in total. All in all, November is a so-so month for a holiday in Nikkō.
Nikkō in November31December7° · 5.1 h
In December, Nikkō is cold: daytime highs average 7 °C, and nights often drop below freezing (−2 °C). Expect around 5.1 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 65 mm in total. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Nikkō.
Nikkō in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Nikkō
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- muggy month (15+ muggy days)
CoolOctober: nights around 9°. A duvet at night and a jumper for the evening.
The coolest nights are in January (−6°), the warmest in August (19°). Nights are pleasant for sleeping (15 to 20 °C) from July to September. Nights fall below 8 °C on average from November to April, so the room should be heated. It is muggy (dew point 18 °C or more) on about 64 days a year, mostly from July to August.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 28 | 4° | −6° | 5.5 h | 9 | 60 |
| FebruaryFeb | 28 | 5° | −5° | 5.6 h | 9 | 59 |
| MarchMar | 34 | 9° | −2° | 5.7 h | 14 | 127 |
| AprilApr | 64 | 16° | 4° | 5.9 h | 15 | 157 |
| MayMay | 61 | 21° | 9° | 5.8 h | 17 | 202 |
| JuneJun | 54 | 23° | 14° | 4.2 h | 22 | 249 |
| JulyJul | 39 | 27° | 19° | 4.1 h | 26 | 344 |
| AugustAug | 35 | 28° | 19° | 4.8 h | 24 | 282 |
| SeptemberSep | 53 | 24° | 16° | 3.8 h | 21 | 280 |
| OctoberOct | 56 | 18° | 9° | 4.2 h | 17 | 211 |
| NovemberNov | 56 | 13° | 3° | 4.9 h | 11 | 100 |
| DecemberDec | 31 | 7° | −2° | 5.1 h | 9 | 65 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
36.75° N, 139.62° E · 555 m · Asia/Tokyo
Sunshine
Sunshine hours in Nikkō
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.2 of 11.3 hours of daylight in Nikkō, 37 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Nikkō: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Nikkō has about 17 rainy days with 211 mm of rain in total.
UV index
UV index in Nikkō
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 5 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 11).
Minutes until sunburn in October
- Very fair skin
- about 25 min
- Fair skin
- about 35 min
- Light brown skin
- about 45 min
- Olive skin
- about 60 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Nikkō
How breezy and how cloudy Nikkō is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Nikkō typically peaks at 9 km/h during the day: Beaufort 2, light breeze or less.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 64 % of the sky over Nikkō: variable cloud, with about 4.2 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat & humidity
Heat and humidity in Nikkō
How often the day gets hot in Nikkō (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Nikkō has about 0 hot days, with an average daytime high of 18 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow
Snow in Nikkō
When Nikkō is likely to be white: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Nikkō.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Nikkō
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Nikkō in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Nikkō has its best school-holiday weather during May half-term (score 60) and its weakest during the Christmas holidays (score 30).
- 55
Easter holidays
Mar – Apr
Fair
- 14 °C by day
- 5.8 h of sun a day
- 15 rainy days a month
Keep in mind: Snow
- 60
May half-term
May – Jun
GoodBest holidays
- 21 °C by day
- 5.5 h of sun a day
- 18 rainy days a month
Good for: Sightseeing & walks
- 36
Summer holidays
Jul – Aug
Poor
- 28 °C by day
- 4.6 h of sun a day
- 25 rainy days a month
Keep in mind: Frequent rain, Storm season
- 56
October half-term
Oct
Fair
- 18 °C by day
- 4.2 h of sun a day
- 17 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
- 30
Christmas holidays
Dec – Jan
Poor
- 6 °C by day
- 5.3 h of sun a day
- 9 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 11 h 55 min
- Distance
- 9,460 km
- Time zone
- UTC+9
- Jet lag
- About 8 days (8 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Japan
- Currency
- Japanese Yen (JPY)
- Language
- Japanese
- Sockets
- Type A, B · 100 V
- Traffic
- Drives on the left
- Dialling code
- +81
UK plugs need a travel adapter
Only 100 V: chargers marked 100–240 V work, other devices need a voltage converter.
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Storm season
Nikkō lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM, Fiji Meteorological Service); not a forecast.
Compare & alternatives
Compare with another place
Nikkō compared
Put Nikkō side by side with another destination.
Nikkō vs Utsunomiya
In October the holiday weather in Nikkō and Utsunomiya is about equally good (score 56 vs 60). During the day Utsunomiya is 3 °C warmer than Nikkō.
| in October | Nikkō | Utsunomiya |
|---|---|---|
| Holiday weather score | 56 | 60 |
| Daytime high | 18° | 21° |
| Sunshine | 4 h | 4 h |
| Rainy days | 17 | 15 |
| Best time | Apr – May | Apr – May, Oct – Nov |
Through the year
Best places in the country
Japan in October: the best places
In October, Nikkō ranks 28 among the 31 nearest destinations in this country.
- Fukushima20°70
- 2Sendai20°70
- 3Kanazawa22°22°67
- 4Tsukuba22°65
- 5Tokyo22°22°65
- 6Minato22°22°65
- 7Urayasu22°22°65
- 8Narita22°65
- 28NikkōThis page18°56
Places nearby
Near Nikkō
Other destinations close by.
Places with a similar climate
Places with a climate like Nikkō
Destinations whose weather through the year is closest to Nikkō's – good alternatives.
Frequently asked questions about Nikkō
When is the best time to visit Nikkō?
The best time to visit Nikkō is from April to May. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Nikkō?
August is the warmest month, with average highs of 28 °C and nights around 19 °C. January is the coolest month at 4 °C.
When does it rain most in Nikkō?
Rain is frequent from June to September; the wettest month is July with 344 mm. The driest month is February with 59 mm.
How many hours of sunshine does Nikkō get?
Nikkō gets around 1,810 hours of sunshine a year. The sunniest month is April with 5.9 hours a day; in September there are 3.8 hours a day.
What time zone is Nikkō in?
Nikkō is on UTC+9 all year.
How long is the flight from London to Nikkō?
A nonstop flight from London to Nikkō takes about 11 h 55 min, for a straight-line distance of about 9,460 km. Most routes need a change of planes, which adds time.
When is typhoon season in Nikkō?
Nikkō lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Nikkō?
Nikkō has its best school-holiday weather during May half-term (score 60) and its weakest during the Christmas holidays (score 30). Holiday ratings (0–100): Easter holidays 55, May half-term 60, summer holidays 36, October half-term 56, Christmas holidays 30.