The bar chart below shows the average monthly peak daytime temperatures at Samut Songkhram
		
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 30.7 | 31.7 | 33 | 34 | 33.6 | 32.8 | 32.5 | 32.4 | 32.1 | 31.5 | 30.7 | 30.2 | 
| °F | 87.3 | 89 | 91.5 | 93.3 | 92.4 | 91.1 | 90.5 | 90.4 | 89.8 | 88.7 | 87.3 | 86.3 | 
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.
The graph below shows the average rainfall and number of rainy days per month.
		
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 8 | 20 | 29 | 60 | 160 | 111 | 124 | 141 | 232 | 215 | 89 | 11 | 
| inches | 0.3 | 0.8 | 1.1 | 2.3 | 6.3 | 4.4 | 4.9 | 5.5 | 9.1 | 8.5 | 3.5 | 0.4 | 
| Rainy days | 1 | 2 | 2 | 5 | 13 | 13 | 15 | 17 | 18 | 16 | 7 | 1 | 
Average annual rainfall in Samut Songkhram: 1313.8mm (517.2 inches)
The bar chart below shows the average daily sunshine hours in Samut Songkhram
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 9.3 | 9.4 | 9.2 | 8.9 | 7.1 | 5.8 | 5.7 | 5.4 | 5.5 | 6.6 | 7.9 | 9.1 | 
The graph below shows the daily range of temperatures for each month.
		
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 20.4 | 22.9 | 24.6 | 25.8 | 25.9 | 25.8 | 25.3 | 25.4 | 24.9 | 24.4 | 23.1 | 20.2 | 
| Max °C | 31 | 31.9 | 33.3 | 34.3 | 33.8 | 33 | 32.7 | 32.6 | 32.3 | 31.7 | 30.9 | 30.4 | 
| Min °F | 68.7 | 73.2 | 76.2 | 78.4 | 78.5 | 78.4 | 77.5 | 77.7 | 76.8 | 75.8 | 73.6 | 68.4 | 
| Max °F | 78.3 | 81.3 | 84 | 86 | 85.6 | 84.9 | 84.2 | 84.2 | 83.5 | 82.4 | 80.6 | 77.5 | 
The graph below shows the average sea temperature.
		
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 27.5 | 27.9 | 28.8 | 29.9 | 30.3 | 29.8 | 29.4 | 29.2 | 29 | 29.2 | 29 | 28 | 
| °F | 81.5 | 82.2 | 83.9 | 85.8 | 86.5 | 85.7 | 84.9 | 84.5 | 84.2 | 84.5 | 84.1 | 82.4 | 
The graph below shows the average wind speed.
		
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 6 | 8 | 10 | 9 | 8 | 8 | 7 | 7 | 5 | 5 | 6 | 6 | 
| mph | 4 | 5 | 6 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 4 | 4 | 
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| 71% | 74% | 72% | 72% | 75% | 75% | 75% | 75% | 79% | 80% | 77% | 70% | 
| Hottest month: | April | 34°C 93.2°F | 
|---|---|---|
| Driest month: | January | 8mm 0.3ins | 
| Sunniest month: | January | 9.3hrs | 
| Coldest month: | December | 30.2°C 86.4°F | 
| Wettest month: | September | 232mm 9.1ins | 
| Warmest sea: | May | 30.3°C 86.5°F |