April–MayKyushu Weather Guide
Karatsu, Arita & Ureshino Onsen Weather & What to Wear
Ureshino Onsen, Karatsu, Arita, Imari
This area covers the castle town of Karatsu, home to Karatsu Castle; Arita and Imari, famous as pottery towns; and Ureshino Onsen. Inland Ureshino gets cold on winter mornings, with an average January low of 0.2°C. Rainfall is on the high side too, at 2,324 mm a year (temperatures are for Ureshino).
- January low
- 0.2℃
- August high
- 32.1℃
- Max snow depth
- —
Forecast
Forecast: Today & the Next 7 Days
JMA forecast issued Oct 22, 11 AM
Every 3 Hours: Today & Tomorrow
- Today12 PMSunny☂ 0%6–9m/s
- 3 PMSunny☂ 0%6–9m/s
- 6 PMSunny☂ 0%6–9m/s
- 9 PMSunny☂ 0%3–5m/s
- Tomorrow12 AMSunny☂ 0%6–9m/s
- 3 AMSunny☂ 0%6–9m/s
- 6 AMSunny☂ 10%6–9m/s
- 9 AMCloudy☂ 10%3–5m/s
- 12 PMCloudy☂ 60%3–5m/s
- 3 PMRain☂ 60%6–9m/s
- 6 PMRain☂ 60%3–5m/s
- 9 PMRain☂ 60%6–9m/s
Weather and wind are for the wider area; temperature is for the main forecast point. Chance of rain is for the 6-hour period. There is no 3-hourly temperature forecast for this area, so temperatures are not shown.
- Today10/22(Thu)Sunny☂ 0%
- Tomorrow10/23(Fri)Sunny, then rain☂ 60%
- 10/24(Sat)Rain☂ 80%
- 10/25(Sun)Cloudy, rain at times☂ 70%Reliability B
- 10/26(Mon)Cloudy, rain at times☂ 70%Reliability B
- 10/27(Tue)Cloudy, brief rain☂ 50%Reliability C
- 10/28(Wed)Sunny, cloudy at times☂ 20%Reliability A
- ☂ Chance of rain
- From day 3, the weekly forecast covers a wider prefecture-level area.
- Reliability of the weekly forecast (A: high, B: fairly high, C: fairly low)
- There is no temperature forecast point for this area, so temperatures are not shown.
- Source: Japan Meteorological Agency (weather forecast)
Best Season
Best Time to Visit Karatsu, Arita & Ureshino Onsen
For hot springs
From December to February, morning temperatures drop to around 0–2°C, the season when Ureshino Onsen's waters feel best.
Climate
Karatsu, Arita & Ureshino Onsen Temperature & Snow Through the Year
Monthly high / low temperature (°C)
HighLow
Month by Month
Month-by-Month Weather & What to Wear
| Month | High | Low | Precip. | Max snow depth | What to wear |
|---|---|---|---|---|---|
| Jan | 9.5℃ | 0.2℃ | 71.5mm | — | Warm jacketLight down or winter coat, sweater |
| Feb | 11.2℃ | 0.7℃ | 96.1mm | — | Warm jacketLight down or winter coat, sweater |
| Mar | 14.7℃ | 3.6℃ | 152.7mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| Apr | 20.1℃ | 8.0℃ | 194.1mm | — | T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings |
| May | 24.7℃ | 12.8℃ | 207.4mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Jun | 27.0℃ | 18.0℃ | 396.7mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Jul | 30.5℃ | 22.5℃ | 400.6mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Aug | 32.1℃ | 22.8℃ | 277.7mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Sep | 28.3℃ | 18.7℃ | 227.9mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Oct | 23.3℃ | 12.3℃ | 111.6mm | — | T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings |
| Nov | 17.3℃ | 6.8℃ | 109.4mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| Dec | 11.6℃ | 1.9℃ | 78.2mm | — | Warm jacketLight down or winter coat, sweater |
Clothing tips are based on the normal high temperature and snow depth. Bring an extra layer for mornings and evenings.
Where to Stay · Agoda
Places to Stay near Karatsu, Arita & Ureshino OnsenPR
PR8.5和多屋別荘
★★★★Check rates on Agoda2,392 reviews0.2 km from center
PR8.9旅館 大村屋
★★★★Check rates on Agoda977 reviews0.7 km from center
PR8.8旅館吉田屋
★★★★Check rates on Agoda952 reviews1.2 km from center- PR9.2
大正屋
★★★Check rates on Agoda671 reviews0.8 km from center 
PR8.5ホテル華翠苑
★★★★Check rates on Agoda700 reviews1.0 km from center
PR8.9ハミルトン宇礼志野
★★★★Check rates on Agoda444 reviews1.1 km from center
Prices and availability are shown on Agoda.
Seasons
Karatsu, Arita & Ureshino Onsen Through the Seasons
🌸
Spring
Mar–MayMarch mornings are still cold at around 4°C. By April, it warms up to highs around 20°C.
☀️
Summer
Jun–AugThe rainy season usually runs from around June 4 to around July 19, and June and July are very wet, with about 400 mm of rain each. August highs are around 32°C.
🍁
Autumn
Sep–NovOctober highs are around 23°C, with mornings around 12°C. In November, mornings drop to around 7°C, so bring a jacket.
❄️
Winter
Dec–FebThe average January high is 9.5°C, and mornings get close to 0°C at 0.2°C. It's the perfect season to warm up slowly in a hot spring.
Events
Events & festivals in Karatsu, Arita & Ureshino Onsen
April–May
NovemberKaratsu Kunchi
Kyushu ・ Karatsu, Arita & Ureshino Onsen
Every year November 2–4 (Yoiyama on the 2nd, Otabisho Shinko on the 3rd, Yokujitsu-sai town tour on the 4th)
2026: Nov 2 (Mon) – Nov 4 (Wed), 3 days
Onsen
Onsen towns in Karatsu, Arita & Ureshino Onsen
♨ OnsenUreshino Onsen
Kyushu ・ Ureshino, Saga
♨ Day use Adults ¥450, elementary school students ¥220, preschoolers free with a guardian (as of October 2026)
Private baths
♨ OnsenTakeo Onsen
Kyushu ・ Takeo, Saga
♨ Day use Adults ¥500, children (age 3 to elementary school) ¥250 (as of October 2026)
Private baths
Autumn Leaves
Autumn Leaves in Karatsu, Arita & Ureshino Onsen
GardenTravel Passes
Travel passes you can use in Karatsu, Arita & Ureshino Onsen
🚄 JRJR KYUSHU RAIL PASS (All Kyushu / Northern Kyushu / Southern Kyushu)
Kyushu ・ 3, 5 or 7 consecutive days (Southern Kyushu is 3 days only; Northern Kyushu is 3 or 5 days)
From ¥22,000
🚄 JRJapan Rail Pass
Nationwide ・ Three types: 7, 14 or 21 days. The period of use cannot be extended or changed
From ¥50,000
Plan Your Trip
Plan Your Karatsu, Arita & Ureshino Onsen TripPR
🏨Hotels in Ureshino OnsenCompare places to stay in the Karatsu, Arita & Ureshino Onsen areaHotels.com♨️Tours & onsen experiencesHot spring inns in Beppu, Yufuin, Kurokawa, Ureshino, Ibusuki and moreKlook🎫Ureshino Onsen tours & activitiesSightseeing tours and activities in Karatsu, Arita & Ureshino OnsenKlook📱eSIM for JapanGet online as soon as you landAiralo
Other Areas
Weather in Other Areas
Source: Japan Meteorological Agency (climate normals 1991-2020). Compiled by tripuuu.log. Temperature and snow figures are normals from the Ureshino station; actual weather varies from year to year.
