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Português- Humidity: 64%
- Wind: 4 km/h
Weather in Japan in April
Is Japan a good place to be right now?
Yes. Japan is around 18°C with a 0% chance of rain, comfortable for sightseeing.
Why the weather in Japan differs from nearby places
How this weather affects your trip to Japan
Plan around the hours that matter: Japan is easiest to enjoy outside the midday peak, and an indoor option nearby is worth keeping in reserve.
Weather at destinations near Japan
No nearby destination has its own forecast page yet.
Weather warnings for Japan
- No weather warnings for Japan in the days ahead.
Current weather in Japan
Hourly forecast for the next 24 hours
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 18° Clear sky 💧0% · 💨4 | 17° Clear sky 💧0% · 💨5 | 17° Clear sky 💧0% · 💨8 | 17° Clear sky 💧0% · 💨9 | 16° Mainly clear 💧0% · 💨10 | 16° Partly cloudy 💧0% · 💨9 | 15° Partly cloudy 💧0% · 💨8 | 16° Mainly clear 💧0% · 💨8 | 18° Mainly clear 💧0% · 💨8 | 20° Partly cloudy 💧0% · 💨7 | 22° Clear sky 💧0% · 💨7 | 23° Mainly clear 💧0% · 💨7 | 24° Clear sky 💧0% · 💨8 | 24° Mainly clear 💧0% · 💨10 | 25° Partly cloudy 💧0% · 💨14 | 24° Mainly clear 💧0% · 💨17 | 22° Mainly clear 💧0% · 💨17 | 22° Mainly clear 💧0% · 💨15 | 22° Mainly clear 💧0% · 💨19 | 21° Clear sky 💧0% · 💨17 | 21° Clear sky 💧0% · 💨18 | 20° Clear sky 💧0% · 💨17 | 20° Mainly clear 💧0% · 💨15 | 20° Mainly clear 💧0% · 💨17 |
7-day weather forecast for Japan
| Day | Conditions | High / low | Rain |
|---|---|---|---|
| Sunday 18/10 | Partly cloudy | 25° / 15° | 0% |
| Monday 19/10 | Overcast | 27° / 20° | 0% |
| Tuesday 20/10 | Overcast | 28° / 19° | 0% |
| Wednesday 21/10 | Overcast | 28° / 21° | 0% |
| Thursday 22/10 | Overcast | 24° / 17° | 0% |
| Friday 23/10 | Overcast | 22° / 14° | 0% |
| Saturday 24/10 | Heavy rain | 20° / 17° | 0% |
30-day outlook for Japan
The first days are a real forecast; the rest is a multi-year climate trend, not a day-by-day prediction.
Air quality in Japan
No air quality data for this area yet.
UV index in Japan
0.0 — Low
No protection needed.
Wind in Japan
4 km/h from the North-west, gusting to 0 km/h.
Visibility in Japan
Visibility over the next few hours.
Sunrise and sunset in Japan
Sunrise at 05:49, sunset at 17:04.
Moon phase in Japan
First quarter
Temperature trend in Japan
Rainfall trend in Japan
Climate in Japan through the year
Climate in Japan through the year
| Temperature | Rainfall | |
|---|---|---|
| January | 4 °C | 41 mm |
| February | 6 °C | 53 mm |
| March | 10 °C | 143 mm |
| April | 14 °C | 143 mm |
| May | 19 °C | 152 mm |
| June | 22 °C | 217 mm |
| July | 27 °C | 181 mm |
| August | 28 °C | 139 mm |
| September | 24 °C | 252 mm |
| October | 18 °C | 180 mm |
| November | 12 °C | 83 mm |
| December | 7 °C | 56 mm |
Figures update automatically; the time shown is local to the destination.
Travel scores for Japan today
Best time to visit Japan
The most comfortable month to visit Japan is August.
What to do in Japan today
Today in Japan the comfortable window is the morning and the late afternoon; keep the middle of the day lighter.
Activities suited to this weather
These activities match the conditions in Japan right now.
What to wear in Japan
Pack for the swing between day and night in Japan rather than for the daytime peak alone.
Rain in the next two hours in Japan
Minute-by-minute rain for the next two hours at Japan.
Activity and health index today
How comfortable Japan feels today for exercise, walking and time outdoors.
Environmental risks in Japan
Heat stress, mosquito activity, air stagnation and pollen around Japan.
Golden hour and blue hour in Japan
When the light is best for photography in Japan.
Severe weather centre
Any severe weather affecting Japan in the days ahead.
Weather map of Japan
Live rain, wind, cloud and temperature layers over Japan.
Maps and travel tools for Japan
Discover Japan
Tours and places to stay in Japan
Tours, hotels and resorts in Japan, matched to the season.
Related travel tools
Currency, visa, flights and maps for planning a trip to Japan.
Travel network around Japan
Everything a trip to Japan needs, connected in one place.
Articles about Japan
Guides and trip reports covering Japan.
Featured tours in Japan
Departures and packages that include Japan.
Frequently asked questions about weather in Japan
Where is Japan?
Japan sits at 35.676, 139.650, 35.676, 139.650.
When is the best month to visit Japan?
Across the observed record the most comfortable month in Japan is August, at about 28°C with 139 mm of rain.
Which month is wettest in Japan?
September is the wettest month in Japan, averaging 252 mm.
Is Japan worth visiting in the rainy season?
Yes, with an umbrella and a flexible plan. Rain in Japan usually comes in short bursts rather than lasting all day, so keep an indoor option nearby.
What should I pack for Japan?
Pack for the swing between day and night in Japan: a light layer for the evening and rain cover in the wet season.
Where can I see the Japan forecast for the next 30 days?
On this page. Choose the 30-day view for detailed days followed by the multi-year climate trend for Japan.
Dung Rikzak is a travel specialist at Rikzak Travel who reviews the climate data and travel guidance on this page.
📊 Forecast, air quality and climate observations: Open-Meteo.
🧭 Forecasts come straight from the weather API; the monthly climate figures are averaged over 10 years of observations, then combined with the live forecast.
📍 Coordinates, elevation, population and the administrative chain: GeoNames, CC BY 4.0.
🕒 This page was last refreshed on 2026-08-15 and updates automatically.