AI-generatedPhra Nakhon Si Ayutthaya at a glance
- Best time
- Dec – Jan
- Warmest month
- Apr · 37°
- Sunshine a year
- 2,220 h
- Rain a year
- 1,272 mm
- Climate
- Tropical
- Time zone
- UTC+7
- Elevation
- 7 m
Climate in Phra Nakhon Si Ayutthaya
Phra Nakhon Si Ayutthaya has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. April is the warmest month with average highs of 37 °C, while December is the coolest at 33 °C. With around 2,220 hours of sunshine a year, Phra Nakhon Si Ayutthaya is sunny; February is the sunniest month with 7.6 hours a day.
Holiday weather through the year
Best time to visit Phra Nakhon Si Ayutthaya
The best time to visit Phra Nakhon Si Ayutthaya is from December to January. All year round except in December it can get very hot, with highs of up to 37 °C. The rainy season is from May to October; the wettest month is September with 272 mm.
Phra Nakhon Si Ayutthaya through the seasons
How the weather changes over the seasons, with averages for each.
Phra Nakhon Si Ayutthaya in the dry season
Nov – Apr
Fair
- 33–37 °C by day
- 7.2 h of sun a day
- 37 rainy days in all
Phra Nakhon Si Ayutthaya in the rainy season
May – Oct
Poor
- 33–36 °C by day
- 4.9 h of sun a day
- 138 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Peak heat
All year except Dec
Highs of 33 °C or more
Rainy months
May – Oct
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Phra Nakhon Si Ayutthaya 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
Poor
Best time to visit: December – January
Keep in mindPeak heatFrequent rain
A typical day in October
- Morning, 08:00: about 28°
- Midday, 13:00: about 33°
- Afternoon, 16:00: about 32°
- Evening, 20:00: about 29°
- Night, 23:00: about 27°
06:0817:58
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 05:55–06:37 · evening 17:30–18:11
- Blue hour
- Morning 05:47–05:55 · evening 18:11–18:20
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 Phra Nakhon Si Ayutthaya compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs stay at about 33° from start to end. The days get 0.4 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 33° | 33° |
| Night-time low | 25° | 24° |
| Daylight | 12.0 h | 11.6 h |
What is the weather like in Phra Nakhon Si Ayutthaya in October?
In October, Phra Nakhon Si Ayutthaya is very hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. Expect around 5.4 hours of sunshine a day. It is the rainy season: rain falls on about 19 days, totalling 167 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is not an ideal month for a holiday in Phra Nakhon Si Ayutthaya.
More details for October
- Daylight
- 11 h 50 min06:08 – 17:58
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 10 km/haverage daily peakAll months
- Cloud cover
- 73 %on averageAll months
- Hot days
- 30 days30 °C or moreAll months
- Time zone
- UTC+7offset from UTC
How the score comes together
- Temperatureweight 50 %25 %
- Sunshineweight 20 %40 %
- Few rainy daysweight 30 %0 %
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
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Compare two months in Phra Nakhon Si Ayutthaya
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
December has the better holiday weather in Phra Nakhon Si Ayutthaya: score 59 against 21. Daytime highs are about the same. December has 17 fewer rainy days. The sun shines 2 hours longer a day in December.
| Month | October | December |
|---|---|---|
| Holiday weather score | 21 | 59better |
| Daytime high | 33° | 33° |
| Night-time low | 25° | 23° |
| Sunshine | 5.4 h | 6.9 hbetter |
| Rainy days | 19 | 2better |
| Rainfall | 167 mm | 8 mmbetter |
| Muggy days | 31 | 12better |
Based on the climate averages 1996–2025.
Phra Nakhon Si Ayutthaya month by month
The typical weather for every month at a glance.
55January33° · 7.1 h
In January, Phra Nakhon Si Ayutthaya is very hot: daytime highs average 33 °C, and even at night it stays warm at around 22 °C. The sun shines for around 7.1 hours a day. Rain is rare: about 3 days bring 11 mm in total. On about 29 days the thermometer climbs to 30 °C or more. All in all, January is a so-so month for a holiday in Phra Nakhon Si Ayutthaya – and yet one of the best months here.
Phra Nakhon Si Ayutthaya in January47February35° · 7.6 h
In February, Phra Nakhon Si Ayutthaya is very hot: daytime highs average 35 °C, and even at night it stays warm at around 24 °C. The sun shines for around 7.6 hours a day. Rain is rare: about 4 days bring 19 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, February is a so-so month for a holiday in Phra Nakhon Si Ayutthaya.
Phra Nakhon Si Ayutthaya in February37March36° · 7.5 h
In March, Phra Nakhon Si Ayutthaya is very hot: daytime highs average 36 °C, and even at night it stays warm at around 26 °C. The sun shines for around 7.5 hours a day. Rain falls on about 8 days, adding up to 47 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, March is not an ideal month for a holiday in Phra Nakhon Si Ayutthaya.
Phra Nakhon Si Ayutthaya in March25April37° · 7.6 h
In April, Phra Nakhon Si Ayutthaya is very hot: daytime highs average 37 °C, and even at night it stays warm at around 27 °C. The sun shines for around 7.6 hours a day. Rain is frequent, with about 13 rainy days and 82 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, April is not an ideal month for a holiday in Phra Nakhon Si Ayutthaya.
Phra Nakhon Si Ayutthaya in April11May36° · 6.3 h
In May, Phra Nakhon Si Ayutthaya is very hot: daytime highs average 36 °C, and even at night it stays warm at around 26 °C. Expect around 6.3 hours of sunshine a day. It is the rainy season: rain falls on about 22 days, totalling 163 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, May is not an ideal month for a holiday in Phra Nakhon Si Ayutthaya.
Phra Nakhon Si Ayutthaya in May8June35° · 5.1 h
In June, Phra Nakhon Si Ayutthaya is very hot: daytime highs average 35 °C, and even at night it stays warm at around 26 °C. Expect around 5.1 hours of sunshine a day. It is the rainy season: rain falls on about 23 days, totalling 141 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, June is not an ideal month for a holiday in Phra Nakhon Si Ayutthaya.
Phra Nakhon Si Ayutthaya in June9July34° · 4.5 h
In July, Phra Nakhon Si Ayutthaya is very hot: daytime highs average 34 °C, and even at night it stays warm at around 26 °C. Expect around 4.5 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 152 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, July is not an ideal month for a holiday in Phra Nakhon Si Ayutthaya.
Phra Nakhon Si Ayutthaya in July10August34° · 4.0 h
In August, Phra Nakhon Si Ayutthaya is very hot: daytime highs average 34 °C, and even at night it stays warm at around 26 °C. Expect around 4.0 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 168 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, August is not an ideal month for a holiday in Phra Nakhon Si Ayutthaya.
Phra Nakhon Si Ayutthaya in August14September34° · 4.4 h
In September, Phra Nakhon Si Ayutthaya is very hot: daytime highs average 34 °C, and even at night it stays warm at around 25 °C. Expect around 4.4 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 272 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is not an ideal month for a holiday in Phra Nakhon Si Ayutthaya.
Phra Nakhon Si Ayutthaya in September21October33° · 5.4 h
In October, Phra Nakhon Si Ayutthaya is very hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. Expect around 5.4 hours of sunshine a day. It is the rainy season: rain falls on about 19 days, totalling 167 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is not an ideal month for a holiday in Phra Nakhon Si Ayutthaya.
Phra Nakhon Si Ayutthaya in October49November33° · 6.8 h
In November, Phra Nakhon Si Ayutthaya is very hot: daytime highs average 33 °C, and even at night it stays warm at around 24 °C. The sun shines for around 6.8 hours a day. Rain falls on about 7 days, adding up to 44 mm. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a so-so month for a holiday in Phra Nakhon Si Ayutthaya.
Phra Nakhon Si Ayutthaya in November59December33° · 6.9 h
In December, Phra Nakhon Si Ayutthaya is hot: daytime highs average 33 °C, and even at night it stays warm at around 23 °C. The sun shines for around 6.9 hours a day. Rain is rare: about 2 days bring 8 mm in total. On about 27 days the thermometer climbs to 30 °C or more. All in all, December is a so-so month for a holiday in Phra Nakhon Si Ayutthaya – and yet one of the best months here.
Phra Nakhon Si Ayutthaya 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 Phra Nakhon Si Ayutthaya
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Warm 20–24°
- Hot 24° and more
- muggy month (15+ muggy days)
HotOctober: nights around 25°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 31 days (dew point 18 °C or more).
The coolest nights are in January (22°), the warmest in April (27°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) on about 308 days a year, mostly from February 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 | 55 | 33° | 22° | 7.1 h | 3 | 11 |
| FebruaryFeb | 47 | 35° | 24° | 7.6 h | 4 | 19 |
| MarchMar | 37 | 36° | 26° | 7.5 h | 8 | 47 |
| AprilApr | 25 | 37° | 27° | 7.6 h | 13 | 82 |
| MayMay | 11 | 36° | 26° | 6.3 h | 22 | 163 |
| JuneJun | 8 | 35° | 26° | 5.1 h | 23 | 141 |
| JulyJul | 9 | 34° | 26° | 4.5 h | 24 | 152 |
| AugustAug | 10 | 34° | 26° | 4.0 h | 24 | 168 |
| SeptemberSep | 14 | 34° | 25° | 4.4 h | 26 | 272 |
| OctoberOct | 21 | 33° | 25° | 5.4 h | 19 | 167 |
| NovemberNov | 49 | 33° | 24° | 6.8 h | 7 | 44 |
| DecemberDec | 59 | 33° | 23° | 6.9 h | 2 | 8 |
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
14.35° N, 100.58° E · 7 m · Asia/Bangkok
Sunshine
Sunshine hours in Phra Nakhon Si Ayutthaya
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 5.4 of 11.8 hours of daylight in Phra Nakhon Si Ayutthaya, 46 % 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 Phra Nakhon Si Ayutthaya: 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, Phra Nakhon Si Ayutthaya has about 19 rainy days with 167 mm of rain in total.
UV index
UV index in Phra Nakhon Si Ayutthaya
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 11 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.
The sun is strongest in August (UV 13).
Minutes until sunburn in October
- Very fair skin
- about 10 min
- Fair skin
- about 15 min
- Light brown skin
- about 20 min
- Olive skin
- about 30 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 Phra Nakhon Si Ayutthaya
How breezy and how cloudy Phra Nakhon Si Ayutthaya 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 Phra Nakhon Si Ayutthaya typically peaks at 10 km/h during the day: Beaufort 2, light breeze or less.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 73 % of the sky over Phra Nakhon Si Ayutthaya: mostly cloudy, with about 5.4 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 Phra Nakhon Si Ayutthaya
How often the day gets hot in Phra Nakhon Si Ayutthaya (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, Phra Nakhon Si Ayutthaya has about 30 hot days, with an average daytime high of 33 °C: hot and muggy. Plan outdoor activities for the morning and evening, drink a lot and take breaks in the cool.
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 Phra Nakhon Si Ayutthaya
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Phra Nakhon Si Ayutthaya 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.
Phra Nakhon Si Ayutthaya has its best school-holiday weather during the Christmas holidays (score 57) and its weakest during May half-term (score 10).
- 29
Easter holidays
Mar – Apr
Poor
- 37 °C by day
- 7.6 h of sun a day
- 12 rainy days a month
Keep in mind: Peak heat
- 10
May half-term
May – Jun
Poor
- 36 °C by day
- 6.1 h of sun a day
- 22 rainy days a month
Keep in mind: Peak heat, Frequent rain
- 10
Summer holidays
Jul – Aug
Poor
- 34 °C by day
- 4.2 h of sun a day
- 24 rainy days a month
Keep in mind: Peak heat, Frequent rain
- 21
October half-term
Oct
Poor
- 33 °C by day
- 5.4 h of sun a day
- 19 rainy days a month
Keep in mind: Peak heat, Frequent rain
- 57
Christmas holidays
Dec – Jan
FairBest holidays
- 33 °C by day
- 7.0 h of sun a day
- 2 rainy days a month
Keep in mind: Peak heat
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 11 h 55 min
- Distance
- 9,510 km
- Time zone
- UTC+7
- Jet lag
- About 6 days (6 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: Thailand
- Currency
- Thai Baht (THB)
- Language
- Thai
- Sockets
- Type A, B, C, F · 220 V
- Traffic
- Drives on the left
- Dialling code
- +66
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Phra Nakhon Si Ayutthaya compared
Put Phra Nakhon Si Ayutthaya side by side with another destination.
Phra Nakhon Si Ayutthaya vs Nonthaburi
In October the holiday weather in Phra Nakhon Si Ayutthaya and Nonthaburi is about equally good (score 21 vs 20). During the day it is about as warm in Nonthaburi as in Phra Nakhon Si Ayutthaya.
| in October | Phra Nakhon Si Ayutthaya | Nonthaburi |
|---|---|---|
| Holiday weather score | 21 | 20 |
| Daytime high | 33° | 33° |
| Sunshine | 5 h | 5 h |
| Rainy days | 19 | 21 |
| Best time | Dec – Jan | Dec – Jan |
Through the year
Best places in the country
Thailand in October: the best places
In October, Phra Nakhon Si Ayutthaya ranks 26 among the 31 nearest destinations in this country.
- Pattaya31°30°67
- 2Hua Hin31°29°66
- 3Ko Kut31°29°66
- 4Koh Tao30°29°66
- 5Ko Pha-ngan28°29°66
- 6Koh Samui31°29°66
- 7Laem Chabang32°30°65
- 8Ko Chang31°29°65
- 26Phra Nakhon Si AyutthayaThis page33°21
Places nearby
Near Phra Nakhon Si Ayutthaya
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Destinations whose weather through the year is closest to Phra Nakhon Si Ayutthaya's – good alternatives.
Frequently asked questions about Phra Nakhon Si Ayutthaya
When is the best time to visit Phra Nakhon Si Ayutthaya?
The best time to visit Phra Nakhon Si Ayutthaya is from December to January. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Phra Nakhon Si Ayutthaya?
April is the warmest month, with average highs of 37 °C and nights around 27 °C. December is the coolest month at 33 °C.
When does it rain most in Phra Nakhon Si Ayutthaya?
The rainy season is from May to October; the wettest month is September with 272 mm. The driest month is December with 8 mm.
How many hours of sunshine does Phra Nakhon Si Ayutthaya get?
Phra Nakhon Si Ayutthaya gets around 2,220 hours of sunshine a year. The sunniest month is February with 7.6 hours a day; in August there are 4.0 hours a day.
What time zone is Phra Nakhon Si Ayutthaya in?
Phra Nakhon Si Ayutthaya is on UTC+7 all year.
How long is the flight from London to Phra Nakhon Si Ayutthaya?
A nonstop flight from London to Phra Nakhon Si Ayutthaya takes about 11 h 55 min, for a straight-line distance of about 9,510 km. Most routes need a change of planes, which adds time.
Which school holidays are best for Phra Nakhon Si Ayutthaya?
Phra Nakhon Si Ayutthaya has its best school-holiday weather during the Christmas holidays (score 57) and its weakest during May half-term (score 10). Holiday ratings (0–100): Easter holidays 29, May half-term 10, summer holidays 10, October half-term 21, Christmas holidays 57.