Si Thep monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Si Thep

Si Thep average temperature chart (Celsius) Si Thep average temperature chart (Fahrenheit)
Average monthly temperatures in Si Thep (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 31.6 34.1 35.9 36.7 34.9 33.3 32.9 32.3 32 31.6 30.9 30.3
°F 88.9 93.3 96.7 98.1 94.7 92 91.3 90.1 89.7 88.9 87.7 86.6

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Si Thep monthly rainfall chart (mm) Si Thep monthly rainfall chart (inches)
Average monthly rainfall in Si Thep (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 6 13 38 91 155 130 153 187 254 131 22 4
inches 0.2 0.5 1.5 3.6 6.1 5.1 6 7.4 10 5.1 0.9 0.2
Rainy days 1 2 4 7 14 13 15 17 18 11 3 1

Average annual rainfall in Si Thep: 1298.6mm (511.3 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Si Thep

Si Thep average daily sunshine chart
Average daily sunshine Si Thep
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 9.6 9.8 9.1 9.2 7.7 6 5.8 5.6 5.8 7.3 8.9 10.5

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Si Thep average minimum / maximum temperatures (Celsius) Si Thep average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Si Thep (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 17.3 20.4 22.8 24.4 24.7 24.3 23.9 23.7 23.8 23 20.2 17
Max °C 32 34.4 36.3 37 35.1 33.6 33.2 32.5 32.3 31.9 31.2 30.7
Min °F 63.1 68.7 73 75.9 76.5 75.7 74.9 74.7 74.8 73.3 68.4 62.5
Max °F 76.3 81.3 85.1 87.3 85.8 84 83.3 82.6 82.4 81.3 78.3 74.8

Sea temperature

The graph below shows the average sea temperature.

Si Thep average sea temperature chart (Celsius) Si Thep average sea temperature chart (Fahrenheit)
Average sea temperature around Si Thep in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 25.7 25.8 26.8 28.1 29.3 29.5 29.1 29 28.8 28.8 28.2 26.7
°F 78.2 78.5 80.3 82.6 84.7 85.1 84.4 84.2 83.9 83.8 82.7 80.1

Wind speed

The graph below shows the average wind speed.

Si Thep average winspeed by month (km/h) Si Thep average winspeed by month (mph)
Average wind speed in Si Thep (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 5 5 7 7 5 6 5 5 4 4 5 5
mph 3 3 4 4 3 4 3 3 2 2 3 3

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Si Thep relative humidity averages
Average relative humidity in Si Thep
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
64% 64% 65% 69% 77% 80% 80% 83% 85% 82% 74% 68%

Other monthly averages

UV index Best time to go?

Si Thep weather stats

Si Thep weather statistics
Hottest month: April 36.7°C 98.1°F
Driest month: December 4mm 0.2ins
Sunniest month: December 10.5hrs
Coldest month: December 30.3°C 86.5°F
Wettest month: September 254mm 10ins
Warmest sea: June 29.5°C 85.1°F
Map showing location of Si Thep (15.45214, 101.06667) Si Thep map pin © Google

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