AI-generatedChiayi City at a glance
- Best time
- Oct – Feb
- Warmest month
- Jul · 31°
- Sunshine a year
- 2,270 h
- Rain a year
- 2,343 mm
- Climate
- Subtropical
- Time zone
- UTC+8
- Elevation
- 45 m
Climate in Chiayi City
Chiayi City has a subtropical climate with warm summers and mild winters. July is the warmest month with average highs of 31 °C, while January is the coolest at 22 °C. With around 2,270 hours of sunshine a year, Chiayi City is sunny; October is the sunniest month with 7.3 hours a day.
Holiday weather through the year
Best time to visit Chiayi City
The best time to visit Chiayi City is from October to February. In October, though, the typhoon season is at its peak: check the forecast before you go. For sightseeing, day trips and hiking, conditions are most comfortable from November to March. The rainy season is from May to August; the wettest month is June with 417 mm.
Chiayi City through the seasons
How the weather changes over the seasons, with averages for each.
Chiayi City in spring
Mar – May
Fair
- 25–30 °C by day
- 5.9 h of sun a day
- 44 rainy days in all
Chiayi City in summer
Jun – Aug
Poor
- 31 °C by day
- 6.6 h of sun a day
- 62 rainy days in all
Chiayi City in autumn
Sep – Nov
Good
- 26–30 °C by day
- 6.9 h of sun a day
- 24 rainy days in all
Chiayi City in winter
Dec – Feb
Excellent
- 22–23 °C by day
- 5.5 h of sun a day
- 23 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Nov – Mar
15–28 °C and not too much rain
Rainy months
May – Aug
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Chiayi City for you.
Your best months: December – February
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Excellent
Best time to visit: October – February
October is the peak of the typhoon season Hurricane season
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 24°
- Midday, 13:00: about 28°
- Afternoon, 16:00: about 28°
- Evening, 20:00: about 24°
- Night, 23:00: about 22°
05:5517:33
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:41–06:25 · evening 17:03–17:47
- Blue hour
- Morning 05:32–05:41 · evening 17:47–17:56
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 Chiayi City compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 29° at the start of the month to 27° at the end. The days get 0.6 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 29° | 27° |
| Night-time low | 21° | 19° |
| Daylight | 12.0 h | 11.3 h |
What is the weather like in Chiayi City in October?
In October, Chiayi City is hot: daytime highs average 29 °C, and even at night it stays warm at around 20 °C. The sun shines for around 7.3 hours a day. Rain falls on about 5 days, adding up to 69 mm. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Chiayi City.
More details for October
- Daylight
- 11 h 39 min05:55 – 17:33
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 28 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 48 %on averageAll months
- Hot days
- 4 days30 °C or moreAll months
- Time zone
- UTC+8offset from UTC
How the score comes together
- Temperatureweight 50 %81 %
- Sunshineweight 20 %72 %
- Few rainy daysweight 30 %91 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
Compare two months in Chiayi City
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
November has the better holiday weather in Chiayi City: score 88 against 82. In November, days are 3 °C cooler than in October. November has 2 more rainy days.
| Month | October | November |
|---|---|---|
| Holiday weather score | 82 | 88better |
| Daytime high | 29° | 26° |
| Night-time low | 20° | 18° |
| Sunshine | 7.3 h | 7.0 h |
| Rainy days | 5better | 7 |
| Rainfall | 69 mm | 56 mmbetter |
| Muggy days | 28 | 17better |
Based on the climate averages 1996–2025.
Chiayi City month by month
The typical weather for every month at a glance.
80January22° · 5.3 h
In January, Chiayi City is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. Expect around 5.3 hours of sunshine a day. Rain falls on about 8 days, adding up to 64 mm. All in all, January is an excellent month for a holiday in Chiayi City.
Chiayi City in January78February23° · 5.4 h
In February, Chiayi City is warm: daytime highs average 23 °C, and nights cool down to about 13 °C. Expect around 5.4 hours of sunshine a day. Rain falls on about 9 days, adding up to 76 mm. All in all, February is a good month for a holiday in Chiayi City.
Chiayi City in February72March25° · 5.2 h
In March, Chiayi City is warm: daytime highs average 25 °C, and nights cool down to about 16 °C. Expect around 5.2 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 115 mm in total. All in all, March is a good month for a holiday in Chiayi City.
Chiayi City in March62April28° · 6.0 h
In April, Chiayi City is hot: daytime highs average 28 °C, and nights cool down to about 19 °C. Expect around 6.0 hours of sunshine a day. It rains often – on about 14 days, adding up to 194 mm. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is a good month for a holiday in Chiayi City.
Chiayi City in April43May30° · 6.4 h
In May, Chiayi City is hot: daytime highs average 30 °C, and even at night it stays warm at around 21 °C. Expect around 6.4 hours of sunshine a day. It is the rainy season: rain falls on about 19 days, totalling 377 mm. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is a so-so month for a holiday in Chiayi City.
Chiayi City in May41June31° · 6.8 h
In June, Chiayi City is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sun shines for around 6.8 hours a day. It is the rainy season: rain falls on about 22 days, totalling 417 mm. On about 21 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Chiayi City.
Chiayi City in June37July31° · 7.0 h
In July, Chiayi City is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sun shines for around 7.0 hours a day. It is the rainy season: rain falls on about 19 days, totalling 310 mm. On about 26 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 Chiayi City.
Chiayi City in July37August31° · 5.9 h
In August, Chiayi City is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. Expect around 5.9 hours of sunshine a day. It is the rainy season: rain falls on about 21 days, totalling 399 mm. On about 24 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 Chiayi City.
Chiayi City in August53September30° · 6.3 h
In September, Chiayi City is hot: daytime highs average 30 °C, and even at night it stays warm at around 22 °C. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 196 mm in total. On about 17 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Chiayi City.
Chiayi City in September82October29° · 7.3 h
In October, Chiayi City is hot: daytime highs average 29 °C, and even at night it stays warm at around 20 °C. The sun shines for around 7.3 hours a day. Rain falls on about 5 days, adding up to 69 mm. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Chiayi City.
Chiayi City in October88November26° · 7.0 h
In November, Chiayi City is warm: daytime highs average 26 °C, and nights cool down to about 18 °C. The sun shines for around 7.0 hours a day. Rain falls on about 7 days, adding up to 56 mm. The air is often humid and muggy. All in all, November is an excellent month for a holiday in Chiayi City.
Chiayi City in November83December23° · 5.8 h
In December, Chiayi City is warm: daytime highs average 23 °C, and nights cool down to about 14 °C. Expect around 5.8 hours of sunshine a day. Rain falls on about 7 days, adding up to 69 mm. All in all, December is an excellent month for a holiday in Chiayi City.
Chiayi City in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Chiayi City
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (15+ muggy days)
WarmOctober: nights around 20°. Tropical nights: a fan or air conditioning helps. Muggy on about 28 days (dew point 18 °C or more).
The coolest nights are in January (12°), the warmest in July (23°). Tropical nights of 20 °C and more are the rule from May to October; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from March to April and in November. It is muggy (dew point 18 °C or more) on about 231 days a year, mostly from April to November.
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 | 80 | 22° | 12° | 5.3 h | 8 | 64 |
| FebruaryFeb | 78 | 23° | 13° | 5.4 h | 9 | 76 |
| MarchMar | 72 | 25° | 16° | 5.2 h | 11 | 115 |
| AprilApr | 62 | 28° | 19° | 6.0 h | 14 | 194 |
| MayMay | 43 | 30° | 21° | 6.4 h | 19 | 377 |
| JuneJun | 41 | 31° | 23° | 6.8 h | 22 | 417 |
| JulyJul | 37 | 31° | 23° | 7.0 h | 19 | 310 |
| AugustAug | 37 | 31° | 23° | 5.9 h | 21 | 399 |
| SeptemberSep | 53 | 30° | 22° | 6.3 h | 13 | 196 |
| OctoberOct | 82 | 29° | 20° | 7.3 h | 5 | 69 |
| NovemberNov | 88 | 26° | 18° | 7.0 h | 7 | 56 |
| DecemberDec | 83 | 23° | 14° | 5.8 h | 7 | 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
23.48° N, 120.45° E · 45 m · Asia/Taipei
Sunshine hours in Chiayi City
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 7.3 of 11.6 hours of daylight in Chiayi City, 63 % 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 in Chiayi City: 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, Chiayi City has about 5 rainy days with 69 mm of rain in total.
UV index in Chiayi City
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 8 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in June (UV 12).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 20 min
- Light brown skin
- about 30 min
- Olive skin
- about 35 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 and clouds in Chiayi City
How breezy and how cloudy Chiayi City 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 Chiayi City typically peaks at 18 km/h during the day: Beaufort 3, gentle breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 48 % of the sky over Chiayi City: variable cloud, with about 7.3 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 and humidity in Chiayi City
How often the day gets hot in Chiayi City (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, Chiayi City has about 4 hot days, with an average daytime high of 29 °C: often muggy. The air feels warmer than the thermometer says: light, airy clothes and slow days help.
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 Chiayi City
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Chiayi City 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.
Chiayi City has its best school-holiday weather during October half-term (score 82) and its weakest during the summer holidays (score 37).
- 65
Easter holidays
Mar – Apr
Good
- 27 °C by day
- 5.8 h of sun a day
- 13 rainy days a month
- 43
May half-term
May – Jun
Fair
- 30 °C by day
- 6.5 h of sun a day
- 19 rainy days a month
Keep in mind: Frequent rain
- 37
Summer holidays
Jul – Aug
Poor
- 31 °C by day
- 6.3 h of sun a day
- 21 rainy days a month
Keep in mind: Frequent rain, Storm season
- 82
October half-term
Oct
ExcellentBest holidays
- 29 °C by day
- 7.3 h of sun a day
- 5 rainy days a month
Keep in mind: Storm season
- 82
Christmas holidays
Dec – Jan
Excellent
- 22 °C by day
- 5.6 h of sun a day
- 7 rainy days a month
Good for: Sightseeing & walks
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 12 h 25 min
- Distance
- 9,890 km
- Time zone
- UTC+8
- Jet lag
- About 7 days (7 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.
Storm season
Chiayi City 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
Chiayi City compared
Put Chiayi City side by side with another destination.
Chiayi City vs Tainan
In October Chiayi City has the better holiday weather (score 82 vs 69). During the day Tainan is 1 °C warmer than Chiayi City. Tainan gets one hour less sunshine a day.
| in October | Chiayi City | Tainan |
|---|---|---|
| Holiday weather score | 82 | 69 |
| Daytime high | 29° | 30° |
| Sea | no sea nearby | 28° |
| Sunshine | 7 h | 6 h |
| Rainy days | 5 | 7 |
| Best time | Oct – Feb | Oct – Mar |
Through the year
Taiwan in October: the best places
In October, Chiayi City ranks 3 of 12 destinations in this country.
- Kinmen29°25°90
- 2Taichung28°84
- 3Chiayi CityThis page29°82
- 4Hsinchu City27°26°79
- 5Taitung City28°28°73
- 6Tainan30°28°69
- 7Taoyuan27°65
- 8Taipei27°65
Near Chiayi City
Other destinations close by.
Places with a climate like Chiayi City
Destinations whose weather through the year is closest to Chiayi City's – good alternatives.
Frequently asked questions about Chiayi City
When is the best time to visit Chiayi City?
The best time to visit Chiayi City is from October to February. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Chiayi City?
July is the warmest month, with average highs of 31 °C and nights around 23 °C. January is the coolest month at 22 °C.
When does it rain most in Chiayi City?
The rainy season is from May to August; the wettest month is June with 417 mm. The driest month is November with 56 mm.
How many hours of sunshine does Chiayi City get?
Chiayi City gets around 2,270 hours of sunshine a year. The sunniest month is October with 7.3 hours a day; in March there are 5.2 hours a day.
What time zone is Chiayi City in?
Chiayi City is on UTC+8 all year.
How long is the flight from London to Chiayi City?
A nonstop flight from London to Chiayi City takes about 12 h 25 min, for a straight-line distance of about 9,890 km. Most routes need a change of planes, which adds time.
When is typhoon season in Chiayi City?
Chiayi City 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 Chiayi City?
Chiayi City has its best school-holiday weather during October half-term (score 82) and its weakest during the summer holidays (score 37). Holiday ratings (0–100): Easter holidays 65, May half-term 43, summer holidays 37, October half-term 82, Christmas holidays 82.