Annual mean 28°C · wettest around October · prevailing wind S
Warmest
35.4 °C
Coldest
29.6 °C
Wettest
69%
Windiest
2.6 m/s
Prevailing
S
2.2 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Ratchaburi over the whole year is 28°C. April is the hottest month, with highs of about 35°C; January is the coldest, with lows of about 22°C. Ratchaburi has no sharply defined rainy season: the chance of rain on a given day runs from 38% in January, the driest month, to 63% in October, the wettest. Winds in Ratchaburi are highest in March, averaging 1.7 m/s (6 km/h), and lightest in October, at 1.1 m/s (4 km/h). The prevailing wind is from the S. The clearest skies in Ratchaburi come in February, when the sky is typically 41% covered; July is the cloudiest month, at 82%.
Month by month Ratchaburi 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
22°C
33°C
38%
45%
1.3 m/s
12
42
3
February
32°C
23°C
35°C
47%
41%
1.4 m/s
4
27
1
March
34°C
26°C
37°C
53%
43%
1.7 m/s
1
10
0
April
35°C
27°C
39°C
45%
50%
1.6 m/s
1
4
0
May
34°C
27°C
39°C
59%
67%
1.4 m/s
0
3
0
June
33°C
27°C
38°C
47%
76%
1.4 m/s
0
5
0
July
32°C
26°C
37°C
48%
82%
1.3 m/s
0
8
0
August
33°C
26°C
37°C
48%
81%
1.3 m/s
0
8
0
September
32°C
26°C
37°C
53%
81%
1.2 m/s
0
7
0
October
31°C
26°C
36°C
63%
74%
1.1 m/s
1
12
0
November
31°C
25°C
34°C
53%
59%
1.3 m/s
3
30
0
December
30°C
23°C
32°C
43%
47%
1.5 m/s
16
49
4
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 Ratchaburi weather by season
Year round, Ratchaburi has days of about 30°C at their warmest in December, its coolest month, and 35°C in April, its warmest; the coolest hours of the day run from 22°C to 27°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 January. 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.
Ratchaburi weather in winterDecember to February
High 31°CLow 23°CRain 43%
Winter in Ratchaburi has typical daily highs of about 31°C and lows of about 23°C, with a 43% chance of rain on a given day.
Ratchaburi weather in springMarch to May
High 34°CLow 27°CRain 52%
Spring in Ratchaburi has typical daily highs of about 34°C and lows of about 27°C, with a 52% chance of rain on a given day.
Ratchaburi weather in summerJune to August
High 33°CLow 27°CRain 48%
Summer in Ratchaburi has typical daily highs of about 33°C and lows of about 27°C, with a 48% chance of rain on a given day.
Ratchaburi weather in autumnSeptember to November
High 31°CLow 25°CRain 56%
Autumn in Ratchaburi has typical daily highs of about 31°C and lows of about 25°C, with a 56% chance of rain on a given day.
When is the rainy season in Ratchaburi?
Ratchaburi has no sharply defined rainy season: the chance of rain on a given day runs from 38% in January, the driest month, to 63% in October, the wettest.
What time of year is Ratchaburi windiest?
Winds in Ratchaburi are highest in March, averaging 1.7 m/s (6 km/h), and lightest in October, at 1.1 m/s (4 km/h). The prevailing wind is from the S.
What is the average temperature in Ratchaburi year round?
The average temperature in Ratchaburi over the whole year is 28°C. April is the hottest month, with highs of about 35°C; January is the coldest, with lows of about 22°C.