Rayong is rarely comfortable to be outside at midday. It comes closest in late December, and even then it is too hot. It is rarely warm enough for sunbathing.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
Rayong never quite rates Good for sun. It comes closest in late December, at 52, mostly because it is too hot. The weakest stretch is from mid April to May, when it drops to 7, mostly because it is too hot. The clearest skies come in December, when the sky is typically 48% covered at midday (partly cloudy).
Being outside is not what Rayong is for: the Easy outdoors rating tops out at 12, mostly because it is too hot.
Walking is not what Rayong is for: the Active outdoors rating tops out at 3, mostly because it is too warm.
The year, measured
The average temperature in Rayong over the whole year is 28°C. April is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 23°C. Rayong has no sharply defined rainy season: the chance of rain on a given day runs from 44% in December, the driest month, to 66% in October, the wettest. Winds in Rayong are highest in June, averaging 2.1 m/s (8 km/h), and lightest in October, at 1.2 m/s (4 km/h). The prevailing wind is from the S. The clearest skies in Rayong come in December, when the sky is typically 47% covered; July is the cloudiest month, at 75%.
Month by month Rayong climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 31°C | 23°C | 33°C | 48% | 48% | 1.5 m/s | 7 | 46 | 2 |
| February | 31°C | 25°C | 34°C | 51% | 48% | 1.5 m/s | 2 | 36 | 0 |
| March | 32°C | 27°C | 36°C | 54% | 52% | 1.8 m/s | 1 | 19 | 0 |
| April | 32°C | 28°C | 37°C | 58% | 53% | 1.7 m/s | 1 | 11 | 0 |
| May | 32°C | 28°C | 37°C | 65% | 64% | 1.6 m/s | 0 | 8 | 0 |
| June | 31°C | 28°C | 36°C | 56% | 69% | 2.1 m/s | 0 | 14 | 0 |
| July | 31°C | 27°C | 35°C | 55% | 75% | 2.1 m/s | 0 | 19 | 0 |
| August | 31°C | 27°C | 35°C | 53% | 73% | 2.1 m/s | 0 | 20 | 0 |
| September | 31°C | 26°C | 35°C | 62% | 75% | 1.6 m/s | 0 | 20 | 0 |
| October | 31°C | 26°C | 35°C | 66% | 70% | 1.2 m/s | 0 | 18 | 0 |
| November | 31°C | 25°C | 35°C | 56% | 57% | 1.4 m/s | 2 | 29 | 0 |
| December | 31°C | 23°C | 33°C | 44% | 47% | 1.8 m/s | 10 | 48 | 2 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Rayong weather by season
Year round, Rayong has days of about 31°C at their warmest in September, its coolest month, and 32°C in April, its warmest; the coolest hours of the day run from 23°C to 28°C through the year, and the average temperature over the year is 28°C around the clock. Rain is most likely around October and least likely around December. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Rayong weather in winterDecember to February
Winter in Rayong has typical daily highs of about 31°C and lows of about 24°C, with a 48% chance of rain on a given day.
Rayong weather in springMarch to May
Spring in Rayong has typical daily highs of about 32°C and lows of about 27°C, with a 59% chance of rain on a given day.
Rayong weather in summerJune to August
Summer in Rayong has typical daily highs of about 31°C and lows of about 27°C, with a 55% chance of rain on a given day.
Rayong weather in autumnSeptember to November
Autumn in Rayong has typical daily highs of about 31°C and lows of about 26°C, with a 61% chance of rain on a given day.
When is the rainy season in Rayong?
Rayong has no sharply defined rainy season: the chance of rain on a given day runs from 44% in December, the driest month, to 66% in October, the wettest.
What time of year is Rayong windiest?
Winds in Rayong are highest in June, averaging 2.1 m/s (8 km/h), and lightest in October, at 1.2 m/s (4 km/h). The prevailing wind is from the S.
What is the average temperature in Rayong year round?
The average temperature in Rayong over the whole year is 28°C. April is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 23°C.
Where to go instead in late March, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.