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Samut Sakhon, Thailand climate
Aw Tropical savanna (dry winter)
Samut Sakhon has a remarkably steady tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is April with an average daily high near 96°F, while the coldest is December averaging around 73°F at night. Precipitation totals about 68 inches a year and is strongly seasonal — September alone averages 13.4 inches while December barely receives 0.49 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsSamut Sakhon climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 93 | 94 | 96 | 95 | 93 | 92 | 92 | 92 | 91 | 92 | 90 |
| Avg temp (°F) | 83 | 85 | 87 | 89 | 88 | 86 | 86 | 85 | 85 | 84 | 84 | 82 |
| Avg low (°F) | 74 | 76 | 79 | 81 | 80 | 79 | 79 | 78 | 78 | 77 | 76 | 73 |
| Precipitation (in) | 1.4 | 1.2 | 1.3 | 3.1 | 9.1 | 6.9 | 8.6 | 10.1 | 13.4 | 10.8 | 1.7 | 0.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 93 | 94 | 96 | 95 | 93 |
| Avg temp (°F) | 83 | 85 | 87 | 89 | 88 | 86 |
| Avg low (°F) | 74 | 76 | 79 | 81 | 80 | 79 |
| Precipitation (in) | 1.4 | 1.2 | 1.3 | 3.1 | 9.1 | 6.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 92 | 92 | 92 | 91 | 92 | 90 |
| Avg temp (°F) | 86 | 85 | 85 | 84 | 84 | 82 |
| Avg low (°F) | 79 | 78 | 78 | 77 | 76 | 73 |
| Precipitation (in) | 8.6 | 10.1 | 13.4 | 10.8 | 1.7 | 0.5 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 3 | 2 | 4 | 6 | 14 | 17 | 17 | 19 | 21 | 18 | 6 | 2 |
| Days with high ≥ 90°F (days) | 21 | 24 | 27 | 27 | 27 | 26 | 24 | 24 | 22 | 22 | 21 | 17 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 3 | 2 | 4 | 6 | 14 | 17 |
| Days with high ≥ 90°F (days) | 21 | 24 | 27 | 27 | 27 | 26 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 17 | 19 | 21 | 18 | 6 | 2 |
| Days with high ≥ 90°F (days) | 24 | 24 | 22 | 22 | 21 | 17 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 38 | 36 | 47 | 60 | 81 | 87 | 89 | 91 | 89 | 77 | 55 | 43 |
| Clear days (≤ 30% cloud) | 15 | 15 | 10 | 6 | 1 | 0.3 | 0.2 | 0.1 | 0.2 | 2 | 8 | 13 |
| Partly cloudy days (30–70%) | 10 | 9 | 12 | 12 | 6 | 4 | 4 | 3 | 3 | 7 | 11 | 11 |
| Cloudy days (≥ 70%) | 6 | 4 | 9 | 12 | 24 | 26 | 27 | 28 | 27 | 22 | 11 | 7 |
| Relative humidity (%) | 66 | 66 | 68 | 70 | 76 | 80 | 80 | 81 | 84 | 84 | 80 | 71 |
| Wind speed (mph) | 5.2 | 6.1 | 6.7 | 6.2 | 5.8 | 6.3 | 6.5 | 6.2 | 4.9 | 4.5 | 5.5 | 6.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 38 | 36 | 47 | 60 | 81 | 87 |
| Clear days (≤ 30% cloud) | 15 | 15 | 10 | 6 | 1 | 0.3 |
| Partly cloudy days (30–70%) | 10 | 9 | 12 | 12 | 6 | 4 |
| Cloudy days (≥ 70%) | 6 | 4 | 9 | 12 | 24 | 26 |
| Relative humidity (%) | 66 | 66 | 68 | 70 | 76 | 80 |
| Wind speed (mph) | 5.2 | 6.1 | 6.7 | 6.2 | 5.8 | 6.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 89 | 91 | 89 | 77 | 55 | 43 |
| Clear days (≤ 30% cloud) | 0.2 | 0.1 | 0.2 | 2 | 8 | 13 |
| Partly cloudy days (30–70%) | 4 | 3 | 3 | 7 | 11 | 11 |
| Cloudy days (≥ 70%) | 27 | 28 | 27 | 22 | 11 | 7 |
| Relative humidity (%) | 80 | 81 | 84 | 84 | 80 | 71 |
| Wind speed (mph) | 6.5 | 6.2 | 4.9 | 4.5 | 5.5 | 6.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Bangkok Metropolis, a weather station, about 38 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.