AI-generatedHwaseong at a glance
- Best time
- Apr – Jun, Sep – Oct
- Warmest month
- Aug · 31°
- Warmest sea
- Aug · 23.7°
- Sunshine a year
- 2,230 h
- Rain a year
- 1,245 mm
- Climate
- Continental
- Time zone
- UTC+9
- Elevation
- 19 m
Climate in Hwaseong
Hwaseong has warm to hot summers and cold winters with occasional snow. August is the warmest month with average highs of 31 °C, while January is the coolest at 3 °C. With around 2,230 hours of sunshine a year, Hwaseong is sunny; May is the sunniest month with 7.4 hours a day.
Holiday weather through the year
Best time to visit Hwaseong
The best time to visit Hwaseong is from April to June and from September to October. In 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 September. For sightseeing, day trips and hiking, conditions are most comfortable from April to June and from September to October. Rain is frequent from July to August; the wettest month is July with 302 mm.
Hwaseong through the seasons
How the weather changes over the seasons, with averages for each.
Hwaseong in spring
Mar – May
Good
- 12–24 °C by day
- Sea 8 °C
- 7.1 h of sun a day
- 21 rainy days in all
Hwaseong in summer
Jun – Aug
Fair
- 28–31 °C by day
- Sea 20 °C
- 5.5 h of sun a day
- 36 rainy days in all
Hwaseong in autumn
Sep – Nov
Good
- 13–27 °C by day
- Sea 20 °C
- 6.1 h of sun a day
- 22 rainy days in all
Hwaseong in winter
Dec – Feb
Poor
- 3–6 °C by day
- Sea 6 °C
- 5.8 h of sun a day
- 14 rainy days in all
Which month for what?
Beach & swimming
Sep
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – Jun, Sep – Oct
15–28 °C and not too much rain
Rainy months
Jul – Aug
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Hwaseong for you.
Your best months: May, October
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: April – June, September – October
October is the peak of the typhoon season Hurricane season
Where to go in OctoberSea temperature in October
Good forSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 13°
- Midday, 13:00: about 20°
- Afternoon, 16:00: about 20°
- Evening, 20:00: about 15°
- Night, 23:00: about 13°
06:3917:57
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:23–07:14 · evening 17:22–18:13
- Blue hour
- Morning 06:13–06:23 · evening 18:13–18:24
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 Hwaseong compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 24° at the start of the month to 17° at the end. The sea cools from 22° to 18°. The days get 1.1 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 24° | 17° |
| Night-time low | 13° | 6° |
| Sea | 22° | 18° |
| Daylight | 11.9 h | 10.7 h |
What is the weather like in Hwaseong in October?
In October, Hwaseong is mild: daytime highs average 21 °C, and nights cool down to about 10 °C. The sea averages 20.1 °C – refreshing for a swim. The sun shines for around 6.7 hours a day. Rain falls on about 6 days, adding up to 67 mm. All in all, October is an excellent month for a holiday in Hwaseong.
More details for October
- Daylight
- 11 h 18 min06:39 – 17:57
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 46 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9offset from UTC
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %62 %
- Few rainy daysweight 30 %85 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- A jumper for the evenings
Compare two months in Hwaseong
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 April bring similar holiday weather to Hwaseong (score 88 and 87). In April, days are 2 °C cooler than in October. The sea is 12 °C cooler in April. April has 2 more rainy days. The sun shines an hour longer a day in April.
| Month | October | April |
|---|---|---|
| Holiday weather score | 88 | 87 |
| Daytime high | 21° | 19° |
| Night-time low | 10° | 7° |
| Sea | 20.1° | 8.1° |
| Sunshine | 6.7 h | 7.2 hbetter |
| Rainy days | 6better | 8 |
| Rainfall | 67 mmbetter | 82 mm |
| Muggy days | 1 | 0better |
Based on the climate averages 1996–2025.
Hwaseong month by month
The typical weather for every month at a glance.
38January3° · Sea 5° · 5.6 h
In January, Hwaseong is cold: daytime highs average 3 °C, and nights often drop below freezing (−6 °C). The sea averages 5.4 °C – swimming is only for the hardy. Expect around 5.6 hours of sunshine a day. Precipitation falls on about 4 days, totalling 24 mm; on about 2 of them it snows. All in all, January is not an ideal month for a holiday in Hwaseong.
Hwaseong in January41February6° · Sea 4° · 6.3 h
In February, Hwaseong is cold: daytime highs average 6 °C, and nights often drop below freezing (−4 °C). The sea averages 3.9 °C – swimming is only for the hardy. Expect around 6.3 hours of sunshine a day. Rain is rare: about 4 days bring 28 mm in total. All in all, February is a so-so month for a holiday in Hwaseong.
Hwaseong in February56March12° · Sea 5° · 6.6 h
In March, Hwaseong is cool: daytime highs average 12 °C, and nights cool down to about 1 °C. The sea averages 4.9 °C – swimming is only for the hardy. The sun shines for around 6.6 hours a day. Rain falls on about 6 days, adding up to 45 mm. All in all, March is a so-so month for a holiday in Hwaseong.
Hwaseong in March87April19° · Sea 8° · 7.2 h
In April, Hwaseong is mild: daytime highs average 19 °C, and nights cool down to about 7 °C. The sea averages 8.1 °C – swimming is only for the hardy. The sun shines for around 7.2 hours a day. Rain falls on about 8 days, adding up to 82 mm. All in all, April is an excellent month for a holiday in Hwaseong.
Hwaseong in April87May24° · Sea 12° · 7.4 h
In May, Hwaseong is warm: daytime highs average 24 °C, and nights cool down to about 13 °C. The sea averages 12.1 °C – swimming is only for the hardy. The sun shines for around 7.4 hours a day. Rain falls on about 8 days, adding up to 106 mm. All in all, May is an excellent month for a holiday in Hwaseong.
Hwaseong in May78June28° · Sea 17° · 6.5 h
In June, Hwaseong is hot: daytime highs average 28 °C, and nights cool down to about 18 °C. The sea averages 16.8 °C – swimming is only for the hardy. The sun shines for around 6.5 hours a day. Rain falls on about 8 days, adding up to 132 mm. All in all, June is a good month for a holiday in Hwaseong.
Hwaseong in June46July30° · Sea 21° · 4.5 h
In July, Hwaseong is hot: daytime highs average 30 °C, and even at night it stays warm at around 22 °C. The sea averages 20.8 °C – refreshing for a swim. Expect around 4.5 hours of sunshine a day. It rains often – on about 15 days, adding up to 302 mm. On about 13 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Hwaseong.
Hwaseong in July46August31° · Sea 24° · 5.4 h
In August, Hwaseong is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sea averages 23.7 °C – pleasant for swimming. Expect around 5.4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 237 mm in total. On about 19 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Hwaseong.
Hwaseong in August82September27° · Sea 23° · 6.2 h
In September, Hwaseong is warm: daytime highs average 27 °C, and nights cool down to about 17 °C. The sea averages 23.4 °C – pleasant for swimming. Expect around 6.2 hours of sunshine a day. Rain falls on about 8 days, adding up to 138 mm. All in all, September is an excellent month for a holiday in Hwaseong.
Hwaseong in September88October21° · Sea 20° · 6.7 h
In October, Hwaseong is mild: daytime highs average 21 °C, and nights cool down to about 10 °C. The sea averages 20.1 °C – refreshing for a swim. The sun shines for around 6.7 hours a day. Rain falls on about 6 days, adding up to 67 mm. All in all, October is an excellent month for a holiday in Hwaseong.
Hwaseong in October54November13° · Sea 15° · 5.4 h
In November, Hwaseong is cool: daytime highs average 13 °C, and nights cool down to about 3 °C. The sea averages 15.4 °C – swimming is only for the hardy. Expect around 5.4 hours of sunshine a day. Rain falls on about 8 days, adding up to 56 mm. All in all, November is a so-so month for a holiday in Hwaseong.
Hwaseong in November34December5° · Sea 10° · 5.4 h
In December, Hwaseong is cold: daytime highs average 5 °C, and nights often drop below freezing (−4 °C). The sea averages 9.7 °C – swimming is only for the hardy. Expect around 5.4 hours of sunshine a day. Rain falls on about 6 days, adding up to 28 mm. All in all, December is not an ideal month for a holiday in Hwaseong.
Hwaseong in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Hwaseong
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (15+ muggy days)
CoolOctober: nights around 10°. A duvet at night and a jumper for the evening. Muggy on about 1 day (dew point 18 °C or more).
The coolest nights are in January (−6°), the warmest in August (23°). Tropical nights of 20 °C and more are the rule from July to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in June and in September. Nights fall below 8 °C on average from November to April, so the room should be heated. It is muggy (dew point 18 °C or more) on about 81 days a year, mostly from July to August.
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 | 38 | 3° | −6° | 5.4° | 5.6 h | 4 | 24 |
| FebruaryFeb | 41 | 6° | −4° | 3.9° | 6.3 h | 4 | 28 |
| MarchMar | 56 | 12° | 1° | 4.9° | 6.6 h | 6 | 45 |
| AprilApr | 87 | 19° | 7° | 8.1° | 7.2 h | 8 | 82 |
| MayMay | 87 | 24° | 13° | 12.1° | 7.4 h | 8 | 106 |
| JuneJun | 78 | 28° | 18° | 16.8° | 6.5 h | 8 | 132 |
| JulyJul | 46 | 30° | 22° | 20.8° | 4.5 h | 15 | 302 |
| AugustAug | 46 | 31° | 23° | 23.7° | 5.4 h | 13 | 237 |
| SeptemberSep | 82 | 27° | 17° | 23.4° | 6.2 h | 8 | 138 |
| OctoberOct | 88 | 21° | 10° | 20.1° | 6.7 h | 6 | 67 |
| NovemberNov | 54 | 13° | 3° | 15.4° | 5.4 h | 8 | 56 |
| DecemberDec | 34 | 5° | −4° | 9.7° | 5.4 h | 6 | 28 |
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
37.21° N, 126.82° E · 19 m · Asia/Seoul
Sea temperature in Hwaseong
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 19.2 – 21.2 °C
Swimming season: Jul – Oct
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Hwaseong ranges from 3.9 °C in February to 23.7 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to October.
From November to January 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 22.6 and 25.8 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 5.4° | 4.4° | 6.5° | cold |
| FebruaryFeb | 3.9° | 2.8° | 5.1° | cold |
| MarchMar | 4.9° | 4.0° | 6.1° | cold |
| AprilApr | 8.1° | 6.7° | 9.6° | cold |
| MayMay | 12.1° | 10.7° | 13.9° | cold |
| JuneJun | 16.8° | 15.6° | 18.4° | cold |
| JulyJul | 20.8° | 18.6° | 23.3° | refreshing |
| AugustAug | 23.7° | 22.6° | 25.8° | pleasant |
| SeptemberSep | 23.4° | 22.4° | 24.2° | pleasant |
| OctoberOct | 20.1° | 19.2° | 21.2° | refreshing |
| NovemberNov | 15.4° | 14.6° | 16.2° | cold |
| DecemberDec | 9.7° | 8.9° | 10.5° | cold |
Sunshine hours in Hwaseong
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 6.7 of 11.3 hours of daylight in Hwaseong, 59 % of the daylight hours.
Sunshine hours: measured at the weather station 16 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Hwaseong: 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, Hwaseong has about 6 rainy days with 67 mm of rain in total.
UV index in Hwaseong
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 10).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 35 min
- Light brown skin
- about 50 min
- Olive skin
- about 65 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 Hwaseong
How breezy and how cloudy Hwaseong 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 Hwaseong typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Oct – May.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 46 % of the sky over Hwaseong: variable cloud, with about 6.7 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 and humidity in Hwaseong
How often the day gets hot in Hwaseong (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, Hwaseong has about 0 hot days, with an average daytime high of 21 °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
Snow in Hwaseong
Snow is possible in Hwaseong, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Hwaseong.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Hwaseong
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Hwaseong 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.
Hwaseong has its best school-holiday weather during October half-term (score 88) and its weakest during the Christmas holidays (score 36).
- 78
Easter holidays
Mar – Apr
Good
- 16 °C by day
- Sea 7 °C
- 7.0 h of sun a day
- 7 rainy days a month
- 85
May half-term
May – Jun
Excellent
- 25 °C by day
- Sea 13 °C
- 7.2 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
- 46
Summer holidays
Jul – Aug
Fair
- 30 °C by day
- Sea 23 °C
- 5.1 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain, Storm season
- 88
October half-term
Oct
ExcellentBest holidays
- 21 °C by day
- Sea 20 °C
- 6.7 h of sun a day
- 6 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
- 36
Christmas holidays
Dec – Jan
Poor
- 4 °C by day
- Sea 8 °C
- 5.5 h of sun a day
- 5 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 11 h 15 min
- Distance
- 8,900 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.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Hwaseong 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
Hwaseong compared
Put Hwaseong side by side with another destination.
Hwaseong vs Suwon
In October the holiday weather in Hwaseong and Suwon is about equally good (score 88 vs 89). During the day it is about as warm in Suwon as in Hwaseong.
| in October | Hwaseong | Suwon |
|---|---|---|
| Holiday weather score | 88 | 89 |
| Daytime high | 21° | 21° |
| Sea | 20° | no sea nearby |
| Sunshine | 7 h | 7 h |
| Rainy days | 6 | 6 |
| Best time | Apr – Jun, Sep – Oct | Apr – Jun, Sep – Oct |
Through the year
South Korea in October: the best places
In October, Hwaseong ranks 15 of 28 destinations in this country.
- Yeosu22°21°92
- 2Suncheon22°21°91
- 3Daegu22°90
- 4Gwangju22°90
- 5Mokpo22°19°90
- 6Changwon22°22°90
- 7Busan23°22°90
- 8Suwon21°89
- 15HwaseongThis page21°20°88
Near Hwaseong
Other destinations close by.
Places with a climate like Hwaseong
Destinations whose weather through the year is closest to Hwaseong's – good alternatives.
Frequently asked questions about Hwaseong
When is the best time to visit Hwaseong?
The best time to visit Hwaseong is from April to June and from September to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Hwaseong?
The sea temperature in Hwaseong ranges from 3.9 °C in February to 23.7 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to October.
Can you swim in Hwaseong in October?
Yes. In October the sea averages 20.1 °C – refreshing for a swim.
What is the warmest month in Hwaseong?
August is the warmest month, with average highs of 31 °C and nights around 23 °C. January is the coolest month at 3 °C.
When does it rain most in Hwaseong?
Rain is frequent from July to August; the wettest month is July with 302 mm. The driest month is January with 24 mm.
How many hours of sunshine does Hwaseong get?
Hwaseong gets around 2,230 hours of sunshine a year. The sunniest month is May with 7.4 hours a day; in July there are 4.5 hours a day.
What time zone is Hwaseong in?
Hwaseong is on UTC+9 all year.
How long is the flight from London to Hwaseong?
A nonstop flight from London to Hwaseong takes about 11 h 15 min, for a straight-line distance of about 8,900 km.
When is typhoon season in Hwaseong?
Hwaseong 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 Hwaseong?
Hwaseong has its best school-holiday weather during October half-term (score 88) and its weakest during the Christmas holidays (score 36). Holiday ratings (0–100): Easter holidays 78, May half-term 85, summer holidays 46, October half-term 88, Christmas holidays 36.