Beppu features a humid subtropical climate with four distinct seasons, offering hot, humid summers and cool, mostly mild winters. The city is known for its abundant rainfall, especially in early summer, and enjoys plenty of sunshine throughout the year. These changing weather patterns, combined with Beppu’s famous hot springs, make it a unique year-round destination.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Beppu’s climate is classified as humid subtropical, with significant seasonal variation. Summers, from June to September, are hot and humid with average highs reaching 29–32°C in July and August. The rainy season peaks in June and July, bringing heavy precipitation – June is the wettest month, averaging around 191–298 mm of rainfall. Humidity is high, often exceeding 75%, and the risk of typhoons increases in late summer. Despite this, Beppu still enjoys up to 6.8 hours of sunshine daily in August.
Winters, from December to February, are generally cool and mild compared to much of Japan. Average daytime highs range from 10–12°C, with lows around 3–5°C. Snowfall is rare, and skies are often clear, making this a pleasant time for outdoor hot spring bathing. Spring and autumn are considered the most comfortable seasons, with mild temperatures (14–24°C), lower humidity, and vibrant cherry blossoms or autumn foliage. Annual precipitation totals about 1,700–1,730 mm, and Beppu experiences over 3,000 hours of sunshine per year. Daylight hours range from about 10 hours in winter to over 14 hours in summer, while winds are generally moderate but can strengthen during storms or typhoons.
| Average climate data for Beppu, Japan | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 8 | 10 | 13 | 18 | 23 | 24 | 29 | 30 | 26 | 21 | 16 | 10 | 30 |
| Average minimum temperature (°C) | 2 | 2 | 5 | 9 | 13 | 17 | 21 | 22 | 18 | 14 | 8 | 4 | 2 |
| Average precipitation (mm) | 24 | 36 | 46 | 35 | 56 | 108 | 118 | 71 | 65 | 56 | 27 | 33 | 675 |
| Average rainfall days (days) | 9 | 11 | 13 | 13 | 11 | 19 | 22 | 18 | 17 | 11 | 10 | 11 | 165 |
| Average snowfall (mm) | 26 | 21 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 58 |
| Average snowfall days (days) | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 11 |
| Average relative humidity (%) | 76 | 76 | 73 | 74 | 73 | 83 | 85 | 81 | 82 | 81 | 81 | 79 | 79 |
| Average wind speed (km/h) | 10 | 9 | 9 | 9 | 8 | 6 | 6 | 7 | 7 | 7 | 8 | 10 | 8 |
| Average water temperature (°C) | 16 | 14 | 14 | 16 | 18 | 22 | 25 | 27 | 26 | 24 | 21 | 18 | 20 |
| Average daily daylight hours (h) | 10 | 11 | 12 | 13 | 13 | 14 | 14 | 13 | 12 | 11 | 10 | 10 | 12 |
| Average daily sunshine hours (h) | 5 | 6 | 7 | 9 | 9 | 7 | 8 | 10 | 8 | 5 | 5 | 5 | 7 |
| Average cloud coverage (%) | 40 | 41 | 40 | 38 | 37 | 51 | 45 | 38 | 44 | 39 | 37 | 40 | 41 |
| Average UV index | 2 | 3 | 3 | 4 | 5 | 5 | 6 | 6 | 5 | 4 | 3 | 2 | 4 |
The best time to visit Beppu is in spring (April–May) and autumn (October–November). These months offer mild, comfortable temperatures, lower humidity, and less rainfall, making them ideal for sightseeing, hiking, and enjoying the city’s hot springs. Cherry blossoms in spring and colourful foliage in autumn add to the scenic appeal.
The least favourable time to visit Beppu is from June to early September, when the city experiences its rainy season and the hottest, most humid weather. Heavy rainfall, high humidity, and occasional typhoons can disrupt travel plans and make outdoor activities less enjoyable.
Beppu has a humid subtropical climate with hot, humid summers and cool, mild winters. Rainfall is abundant year-round, especially in early summer, and the city enjoys plenty of sunshine and moderate winds.
The rainy season in Beppu occurs mainly from June to July, with June being the wettest month. Heavy rainfall and high humidity are common, and typhoons may occur in late summer.
Snowfall in Beppu is rare. Winters are generally cool and mild, with average lows around 3°C and highs near 10–12°C. Skies are often clear, making winter a pleasant time for hot spring visits.
Summer temperatures in Beppu typically range from 24°C at night to 32°C during the day. Humidity is high, and the weather can feel oppressive, especially in July and August.
Cherry blossoms in Beppu usually bloom from late March to early April. This period offers mild weather and is ideal for outdoor activities and sightseeing.
Yes, swimming is most comfortable from July to October, when sea temperatures are above 23°C. Earlier and later months are cooler, so swimming is less common.
Typhoons can affect Beppu, especially from late summer to early autumn (August to September), bringing heavy rain and strong winds. It's important to check weather forecasts during this period.
The warmest month, with the highest average maximum temperature, is August (30 °C). The month with the lowest average maximum temperature is January (8.1 °C). Overall, the average maximum temperature over the whole year is 18.8 °C.
The month with the highest average minimum temperature is August (22.3 °C). The coldest month, with the lowest average minimum temperature, is January (1.9 °C). Overall, the average minimum temperature over the whole year is 11.4 °C.
The month with the highest average water temperature is August (27.2 °C). The month with the lowest average water temperature is March (13.8 °C). Overall, the average water temperature over the whole year is 20 °C.
The wettest month, with the highest amount of precipitation, is July (118.2 mm). The driest month, with the least amount of precipitation, is January (23.7 mm). Over the whole year there are 675.1 mm of rainfall on average.
The month with the most days of rain is July (22.2 days). The month with the fewest days of rain is January (9.4 days). Over the whole year there are 164.6 days of rain on average.
The month with the most snowfall is January (25.9 mm). The months with the least snowfall are April, May, June, July, August, September, October and November (0 mm). Over the whole year there are 58.1 mm of snowfall on average.
The month with the most days of snowfall is January (4.6 days). The months with the fewest days of snowfall are April, June, September and November (0 days). Over the whole year there are 11.3 days of snowfall on average.
The month with the highest average relative humidity is July (85 %). The month with the lowest average relative humidity is May (72.9 %). The overall average relative humidity over the whole year is 78.7 %.
The windiest month, with the highest average wind speed, is January (10 km/h). The calmest month, with the lowest average wind speed, is June (6.1 km/h). The overall average wind speed over the whole year is 7.9 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is June (51 %). The month with the clearest skies, so the lowest cloud coverage, is November (36.6 %). Over the whole year there is an average cloud coverage of 40.7 %.
The month with the longest days, so the most daylight, is June (Average daylight: 14 h). The month with the shortest days, so the least daylight, is December (Average daylight: 10 h). Over the whole year there are 11.9 h of daylight per day on average.
The month with the most sunshine per day is August (Average sunshine: 10 h). The month with the least sunshine per day is January (Average sunshine: 5 h). Over the whole year there are 7 h of sunlight per day on average.
The months with the highest average UV index are July and August (UV index: 6). The months with the lowest average UV index are January and December (UV index: 2). Over the whole year the average UV index is 4.
