AI-generatedHagi at a glance
- Best time
- May – Oct
- Warmest month
- Aug · 34°
- Warmest sea
- Aug · 27.3°
- Sunshine a year
- 1,950 h
- Rain a year
- 1,629 mm
- Climate
- Temperate
- Time zone
- UTC+9
- Elevation
- 31 m
Climate in Hagi
Hagi has a temperate climate with warm summers and cool winters. August is the warmest month with average highs of 34 °C, while January is the coolest at 9 °C. With around 1,950 hours of sunshine a year, Hagi is moderately sunny; May is the sunniest month with 6.8 hours a day.
Holiday weather through the year
Best time to visit Hagi
The best time to visit Hagi is from May to October. In August, September and October, though, the typhoon season is at its peak: check the forecast before you go. For a beach holiday – sea from 21 °C, warm and mostly dry – go in October. For sightseeing, day trips and hiking, conditions are most comfortable from April to May and from October to November. In August it can get very hot, with highs of up to 34 °C. The wettest month is July with 261 mm of precipitation.
Hagi through the seasons
How the weather changes over the seasons, with averages for each.
Hagi in spring
Mar – May
Poor
- 15–26 °C by day
- Sea 16 °C
- 6.2 h of sun a day
- 32 rainy days in all
Hagi in summer
Jun – Aug
Good
- 29–34 °C by day
- Sea 24 °C
- 5.9 h of sun a day
- 43 rainy days in all
Hagi in autumn
Sep – Nov
Good
- 18–29 °C by day
- Sea 23 °C
- 5.3 h of sun a day
- 29 rainy days in all
Hagi in winter
Dec – Feb
Poor
- 9–12 °C by day
- Sea 16 °C
- 3.9 h of sun a day
- 31 rainy days in all
Which month for what?
Beach & swimming
Oct
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – May, Oct – Nov
15–28 °C and not too much rain
Peak heat
Aug
Highs of 33 °C or more
Find your perfect month
Tell us what you like and we rate every month in Hagi for you.
Your best months: September
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Good
Best time to visit: May – October
October is the peak of the typhoon season Hurricane season
Where to go in OctoberSea temperature in October
Good forBeach & swimmingSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 17°
- Midday, 13:00: about 24°
- Afternoon, 16:00: about 23°
- Evening, 20:00: about 18°
- Night, 23:00: about 16°
06:1917:41
Pleasant evenings; a light layer can help.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:03–06:52 · evening 17:07–17:57
- Blue hour
- Morning 05:53–06:03 · evening 17:57–18:07
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 Hagi compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 26° at the start of the month to 21° at the end. The sea cools from 24° to 22°. The days get 1.0 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 26° | 21° |
| Night-time low | 16° | 10° |
| Sea | 24° | 22° |
| Daylight | 11.9 h | 10.9 h |
What is the weather like in Hagi in October?
In October, Hagi is warm: daytime highs average 24 °C, and nights cool down to about 13 °C. The sea averages 23.1 °C – pleasant for swimming. Expect around 5.7 hours of sunshine a day. Rain falls on about 8 days, adding up to 93 mm. All in all, October is a good month for a holiday in Hagi.
More details for October
- Daylight
- 11 h 23 min06:19 – 17:41
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 3 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 50 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+9offset from UTC
How the score comes together
- Temperatureweight 35 %80 %
- Seaweight 25 %87 %
- Sunshineweight 20 %45 %
- Few rainy daysweight 20 %71 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Hagi
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October and September bring similar holiday weather to Hagi (score 73 and 77). In September, days are 5 °C warmer than in October. The sea is 3 °C warmer in September. September has 4 more rainy days.
| Month | October | September |
|---|---|---|
| Holiday weather score | 73 | 77 |
| Daytime high | 24° | 29° |
| Night-time low | 13° | 20° |
| Sea | 23.1° | 25.9° |
| Sunshine | 5.7 h | 5.6 h |
| Rainy days | 8better | 12 |
| Rainfall | 93 mmbetter | 184 mm |
| Muggy days | 3better | 19 |
Based on the climate averages 1996–2025.
Hagi month by month
The typical weather for every month at a glance.
13January9° · Sea 15° · 3.6 h
In January, Hagi is cold: daytime highs average 9 °C, and nights cool down to about 1 °C. The sea averages 15.3 °C – swimming is only for the hardy. The sun is scarce, with only about 3.6 hours a day. Rain is frequent, with about 11 rainy days and 66 mm in total. All in all, January is not an ideal month for a holiday in Hagi.
Hagi in January16February11° · Sea 14° · 4.4 h
In February, Hagi is cool: daytime highs average 11 °C, and nights cool down to about 2 °C. The sea averages 13.9 °C – swimming is only for the hardy. Expect around 4.4 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 73 mm in total. All in all, February is not an ideal month for a holiday in Hagi.
Hagi in February18March15° · Sea 14° · 5.5 h
In March, Hagi is cool: daytime highs average 15 °C, and nights cool down to about 4 °C. The sea averages 13.9 °C – swimming is only for the hardy. Expect around 5.5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 114 mm in total. All in all, March is not an ideal month for a holiday in Hagi.
Hagi in March32April21° · Sea 15° · 6.4 h
In April, Hagi is mild: daytime highs average 21 °C, and nights cool down to about 9 °C. The sea averages 15.2 °C – swimming is only for the hardy. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 126 mm in total. All in all, April is not an ideal month for a holiday in Hagi.
Hagi in April62May26° · Sea 18° · 6.8 h
In May, Hagi is warm: daytime highs average 26 °C, and nights cool down to about 14 °C. The sea averages 17.8 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 6.8 hours a day. Rain is frequent, with about 10 rainy days and 145 mm in total. All in all, May is a good month for a holiday in Hagi.
Hagi in May63June29° · Sea 21° · 5.2 h
In June, Hagi is hot: daytime highs average 29 °C, and nights cool down to about 19 °C. The sea averages 21.1 °C – refreshing for a swim. Expect around 5.2 hours of sunshine a day. It rains often – on about 14 days, adding up to 229 mm. On about 9 days the thermometer climbs to 30 °C or more. All in all, June is a good month for a holiday in Hagi.
Hagi in June66July32° · Sea 25° · 5.6 h
In July, Hagi is hot: daytime highs average 32 °C, and even at night it stays warm at around 23 °C. The sea averages 24.6 °C – pleasant for swimming. Expect around 5.6 hours of sunshine a day. It rains often – on about 16 days, adding up to 261 mm. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a good month for a holiday in Hagi.
Hagi in July65August34° · Sea 27° · 6.8 h
In August, Hagi is very hot: daytime highs average 34 °C, and even at night it stays warm at around 24 °C. The sea averages 27.3 °C – lovely and warm for swimming. The sun shines for around 6.8 hours a day. Rain is frequent, with about 13 rainy days and 183 mm in total. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Hagi.
Hagi in August77September29° · Sea 26° · 5.6 h
In September, Hagi is hot: daytime highs average 29 °C, and even at night it stays warm at around 20 °C. The sea averages 25.9 °C – pleasant for swimming. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 184 mm in total. On about 13 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Hagi.
Hagi in September73October24° · Sea 23° · 5.7 h
In October, Hagi is warm: daytime highs average 24 °C, and nights cool down to about 13 °C. The sea averages 23.1 °C – pleasant for swimming. Expect around 5.7 hours of sunshine a day. Rain falls on about 8 days, adding up to 93 mm. All in all, October is a good month for a holiday in Hagi.
Hagi in October32November18° · Sea 21° · 4.7 h
In November, Hagi is mild: daytime highs average 18 °C, and nights cool down to about 7 °C. The sea averages 20.6 °C – refreshing for a swim. Expect around 4.7 hours of sunshine a day. Rain falls on about 8 days, adding up to 87 mm. All in all, November is not an ideal month for a holiday in Hagi.
Hagi in November17December12° · Sea 18° · 3.8 h
In December, Hagi is cool: daytime highs average 12 °C, and nights cool down to about 3 °C. The sea averages 17.8 °C – bracing, so a wetsuit helps for longer swims. The sun is scarce, with only about 3.8 hours a day. Rain is frequent, with about 10 rainy days and 69 mm in total. All in all, December is not an ideal month for a holiday in Hagi.
Hagi 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 Hagi
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (15+ muggy days)
CoolOctober: nights around 13°. A duvet at night and a jumper for the evening. Muggy on about 3 days (dew point 18 °C or more).
The coolest nights are in January (1°), the warmest in August (24°). Tropical nights of 20 °C and more are the rule from July to September; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in June. Nights fall below 8 °C on average from November to March, so the room should be heated. It is muggy (dew point 18 °C or more) on about 96 days a year, mostly from July to September.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 13 | 9° | 1° | 15.3° | 3.6 h | 11 | 66 |
| FebruaryFeb | 16 | 11° | 2° | 13.9° | 4.4 h | 10 | 73 |
| MarchMar | 18 | 15° | 4° | 13.9° | 5.5 h | 11 | 114 |
| AprilApr | 32 | 21° | 9° | 15.2° | 6.4 h | 10 | 126 |
| MayMay | 62 | 26° | 14° | 17.8° | 6.8 h | 10 | 145 |
| JuneJun | 63 | 29° | 19° | 21.1° | 5.2 h | 14 | 229 |
| JulyJul | 66 | 32° | 23° | 24.6° | 5.6 h | 16 | 261 |
| AugustAug | 65 | 34° | 24° | 27.3° | 6.8 h | 13 | 183 |
| SeptemberSep | 77 | 29° | 20° | 25.9° | 5.6 h | 12 | 184 |
| OctoberOct | 73 | 24° | 13° | 23.1° | 5.7 h | 8 | 93 |
| NovemberNov | 32 | 18° | 7° | 20.6° | 4.7 h | 8 | 87 |
| DecemberDec | 17 | 12° | 3° | 17.8° | 3.8 h | 10 | 69 |
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
34.40° N, 131.42° E · 31 m · Asia/Tokyo
Sea temperature
Sea temperature in Hagi
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 22.1 – 24.0 °C
Swimming season: Jun – Nov
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Hagi ranges from 13.9 °C in February to 27.3 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to November.
From November to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 25.6 and 28.5 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 15.3° | 14.5° | 16.0° | cold |
| FebruaryFeb | 13.9° | 13.1° | 14.6° | cold |
| MarchMar | 13.9° | 13.1° | 14.6° | cold |
| AprilApr | 15.2° | 14.4° | 16.1° | cold |
| MayMay | 17.8° | 16.9° | 18.6° | fresh |
| JuneJun | 21.1° | 20.4° | 21.9° | refreshing |
| JulyJul | 24.6° | 23.1° | 25.7° | pleasant |
| AugustAug | 27.3° | 25.6° | 28.5° | warm |
| SeptemberSep | 25.9° | 24.6° | 27.0° | pleasant |
| OctoberOct | 23.1° | 22.1° | 24.0° | pleasant |
| NovemberNov | 20.6° | 20.1° | 21.4° | refreshing |
| DecemberDec | 17.8° | 17.2° | 18.4° | fresh |
Sunshine
Sunshine hours in Hagi
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 5.7 of 11.4 hours of daylight in Hagi, 50 % 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 Hagi: 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, Hagi has about 8 rainy days with 93 mm of rain in total.
UV index
UV index in Hagi
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 30 min
- Light brown skin
- about 45 min
- Olive skin
- about 55 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 Hagi
How breezy and how cloudy Hagi 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 Hagi typically peaks at 16 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 50 % of the sky over Hagi: variable cloud, with about 5.7 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 Hagi
How often the day gets hot in Hagi (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, Hagi has about 1 hot day, with an average daytime high of 24 °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
Planning a trip to Hagi
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Hagi 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.
Hagi has its best school-holiday weather during October half-term (score 73) and its weakest during the Christmas holidays (score 15).
- 28
Easter holidays
Mar – Apr
Poor
- 19 °C by day
- Sea 15 °C
- 6.1 h of sun a day
- 11 rainy days a month
- 62
May half-term
May – Jun
Good
- 26 °C by day
- Sea 18 °C
- 6.5 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 65
Summer holidays
Jul – Aug
Good
- 33 °C by day
- Sea 26 °C
- 6.4 h of sun a day
- 14 rainy days a month
Keep in mind: Peak heat, Storm season
- 73
October half-term
Oct
GoodBest holidays
- 24 °C by day
- Sea 23 °C
- 5.7 h of sun a day
- 8 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
Keep in mind: Storm season
- 15
Christmas holidays
Dec – Jan
Poor
- 10 °C by day
- Sea 17 °C
- 3.7 h of sun a day
- 10 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 11 h 50 min
- Distance
- 9,380 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
Hagi 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
Hagi compared
Put Hagi side by side with another destination.
Hagi vs Yamaguchi
In October Hagi has the better holiday weather (score 73 vs 64). During the day Yamaguchi is 1 °C cooler than Hagi.
| in October | Hagi | Yamaguchi |
|---|---|---|
| Holiday weather score | 73 | 64 |
| Daytime high | 24° | 23° |
| Sea | 23° | no sea nearby |
| Sunshine | 6 h | 6 h |
| Rainy days | 8 | 8 |
| Best time | May – Oct | Apr – May, Oct – Nov |
Through the year
Best places in the country
Japan in October: the best places
In October, Hagi ranks 22 among the 31 nearest destinations in this country.
- Sasebo24°24°82
- 2Hiroshima24°23°81
- 3Kure23°23°81
- 4Fukuoka24°23°81
- 5Nagasaki24°24°81
- 6Minamata25°25°81
- 7Yamaguchi23°80
- 8Ube24°23°80
- 22HagiThis page24°23°73
Places nearby
Near Hagi
Other destinations close by.
Places with a similar climate
Places with a climate like Hagi
Destinations whose weather through the year is closest to Hagi's – good alternatives.
Frequently asked questions about Hagi
When is the best time to visit Hagi?
The best time to visit Hagi is from May to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Hagi?
The sea temperature in Hagi ranges from 13.9 °C in February to 27.3 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to November.
Can you swim in Hagi in October?
Yes. In October the sea averages 23.1 °C – pleasant for swimming.
What is the warmest month in Hagi?
August is the warmest month, with average highs of 34 °C and nights around 24 °C. January is the coolest month at 9 °C.
When does it rain most in Hagi?
The wettest month is July with 261 mm of precipitation. The driest month is January with 66 mm.
How many hours of sunshine does Hagi get?
Hagi gets around 1,950 hours of sunshine a year. The sunniest month is May with 6.8 hours a day; in January there are 3.6 hours a day.
What time zone is Hagi in?
Hagi is on UTC+9 all year.
How long is the flight from London to Hagi?
A nonstop flight from London to Hagi takes about 11 h 50 min, for a straight-line distance of about 9,380 km. Most routes need a change of planes, which adds time.
When is typhoon season in Hagi?
Hagi 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 Hagi?
Hagi has its best school-holiday weather during October half-term (score 73) and its weakest during the Christmas holidays (score 15). Holiday ratings (0–100): Easter holidays 28, May half-term 62, summer holidays 65, October half-term 73, Christmas holidays 15.