Nakhon Si Thammarat weather in March
In March, Nakhon Si Thammarat sees average daytime highs of 30°C and overnight lows near 25°C, with 120 mm of rain across 13.7 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 37% of the time in March, and the air most often feels oppressive.
Daylight stretches from about 11 h 48 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Nakhon Si Thammarat's 1st-clearest and 4th-windiest month. For the whole year in context, see Nakhon Si Thammarat's year-round climate.
- Daytime high
- 30°
- 7th warmest
- Overnight low
- 25°
- 6th coldest
- Rainfall
- 120 mm
- 13.7 wet days
- Daylight
- 11 h 54 min
- 6:32 AM – 6:28 PM
- Cloud cover
- 55%
- 1st clearest
- Wind
- 8 km/h
- 4th windiest
- Solar energy
- 6.01 kWh/m²
- Travel score
- 4.7
- out of 10
Nakhon Si Thammarat is city in Nakhon Si Thammarat province, Thailand.
- Density
- 4,528/km²
- people per km²
- Founded
- 1910
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Day-to-day highs hold fairly steady near 30°C through the month.
A typical March day in Nakhon Si Thammarat reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, March runs about 1°C warmer than February and about 1°C cooler than April.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 25 |
| 2 | 29 | 25 |
| 3 | 29 | 25 |
| 4 | 29 | 25 |
| 5 | 29 | 25 |
| 6 | 30 | 25 |
| 7 | 30 | 25 |
| 8 | 30 | 25 |
| 9 | 30 | 25 |
| 10 | 30 | 25 |
| 11 | 30 | 25 |
| 12 | 30 | 25 |
| 13 | 30 | 25 |
| 14 | 30 | 25 |
| 15 | 30 | 25 |
| 16 | 30 | 25 |
| 17 | 30 | 25 |
| 18 | 30 | 25 |
| 19 | 30 | 25 |
| 20 | 30 | 25 |
| 21 | 30 | 25 |
| 22 | 30 | 25 |
| 23 | 30 | 25 |
| 24 | 30 | 25 |
| 25 | 30 | 25 |
| 26 | 30 | 25 |
| 27 | 30 | 25 |
| 28 | 30 | 25 |
| 29 | 30 | 25 |
| 30 | 30 | 25 |
| 31 | 30 | 25 |
How March really feels in Nakhon Si Thammarat
Once humidity and wind are folded in, March averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Nakhon Si Thammarat weather by month
How March compares with the rest of the year at a glance. March is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 24° | 124 | 16.8 | 11.6 | 5.2 |
| Feb | 29° / 24° | 58 | 9.9 | 11.7 | 5.5 |
| Mar | 30° / 25° | 120 | 13.7 | 11.9 | 4.7 |
| Apr | 31° / 26° | 120 | 16.8 | 12.2 | 3.8 |
| May | 31° / 26° | 123 | 23.3 | 12.4 | 2.9 |
| Jun | 31° / 26° | 93 | 21.1 | 12.5 | 3.1 |
| Jul | 31° / 25° | 97 | 21.4 | 12.4 | 3.2 |
| Aug | 31° / 25° | 117 | 22.7 | 12.3 | 3.2 |
| Sep | 30° / 25° | 149 | 25.9 | 12 | 3.0 |
| Oct | 29° / 25° | 274 | 28.2 | 11.8 | 3.1 |
| Nov | 28° / 25° | 358 | 25.7 | 11.6 | 3.6 |
| Dec | 28° / 24° | 250 | 20 | 11.5 | 4.7 |
Cloud cover in March
The sky is clear or mostly clear about 37% of the time in March, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 19% of March, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 61 | 61 | 62 | 62 | 62 | 62 | 62 | 62 | 63 | 63 | 62 | 62 | 61 | 60 | 59 | 57 | 56 | 54 | 54 | 52 | 51 | 50 | 49 | 49 | 49 | 49 | 47 | 47 | 47 | 47 | 48 |
| Cloudier (%) | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 38 | 37 | 37 | 38 | 38 | 39 | 40 | 41 | 43 | 44 | 46 | 46 | 48 | 49 | 50 | 51 | 51 | 51 | 51 | 53 | 53 | 53 | 53 | 52 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 61 | 39 |
| 2 | 61 | 39 |
| 3 | 62 | 38 |
| 4 | 62 | 38 |
| 5 | 62 | 38 |
| 6 | 62 | 38 |
| 7 | 62 | 38 |
| 8 | 62 | 38 |
| 9 | 63 | 37 |
| 10 | 63 | 37 |
| 11 | 62 | 38 |
| 12 | 62 | 38 |
| 13 | 61 | 39 |
| 14 | 60 | 40 |
| 15 | 59 | 41 |
| 16 | 57 | 43 |
| 17 | 56 | 44 |
| 18 | 54 | 46 |
| 19 | 54 | 46 |
| 20 | 52 | 48 |
| 21 | 51 | 49 |
| 22 | 50 | 50 |
| 23 | 49 | 51 |
| 24 | 49 | 51 |
| 25 | 49 | 51 |
| 26 | 49 | 51 |
| 27 | 47 | 53 |
| 28 | 47 | 53 |
| 29 | 47 | 53 |
| 30 | 47 | 53 |
| 31 | 48 | 52 |
Chance of precipitation in March
Nakhon Si Thammarat gets around 120 mm of rain over 13.7 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 44% and peaks near 57% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 34 | 34 | 35 | 35 | 35 | 35 | 36 | 36 | 36 | 37 | 38 | 38 | 39 | 40 | 41 | 42 | 43 | 45 | 46 | 48 | 49 | 50 | 52 | 53 | 54 | 55 | 56 | 57 | 57 | 57 | 57 |
| Rain chance (%) | |
|---|---|
| 1 | 34 |
| 2 | 34 |
| 3 | 35 |
| 4 | 35 |
| 5 | 35 |
| 6 | 35 |
| 7 | 36 |
| 8 | 36 |
| 9 | 36 |
| 10 | 37 |
| 11 | 38 |
| 12 | 38 |
| 13 | 39 |
| 14 | 40 |
| 15 | 41 |
| 16 | 42 |
| 17 | 43 |
| 18 | 45 |
| 19 | 46 |
| 20 | 48 |
| 21 | 49 |
| 22 | 50 |
| 23 | 52 |
| 24 | 53 |
| 25 | 54 |
| 26 | 55 |
| 27 | 56 |
| 28 | 57 |
| 29 | 57 |
| 30 | 57 |
| 31 | 57 |
Humidity in March
Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the oppressive band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Oppressive (%) | 89 | 88 | 88 | 87 | 87 | 87 | 88 | 87 | 87 | 88 | 88 | 88 | 89 | 88 | 89 | 88 | 88 | 86 | 85 | 84 | 82 | 80 | 77 | 75 | 73 | 70 | 68 | 66 | 65 | 63 | 62 |
| Miserable (%) | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 11 | 13 | 14 | 16 | 18 | 20 | 23 | 25 | 27 | 30 | 32 | 34 | 35 | 37 | 38 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 6 | 89 | 5 |
| 2 | 6 | 88 | 6 |
| 3 | 6 | 88 | 6 |
| 4 | 6 | 87 | 7 |
| 5 | 6 | 87 | 7 |
| 6 | 6 | 87 | 7 |
| 7 | 5 | 88 | 7 |
| 8 | 5 | 87 | 8 |
| 9 | 5 | 87 | 8 |
| 10 | 4 | 88 | 8 |
| 11 | 4 | 88 | 8 |
| 12 | 4 | 88 | 8 |
| 13 | 3 | 89 | 8 |
| 14 | 3 | 88 | 9 |
| 15 | 2 | 89 | 9 |
| 16 | 2 | 88 | 10 |
| 17 | 1 | 88 | 11 |
| 18 | 1 | 86 | 13 |
| 19 | 1 | 85 | 14 |
| 20 | 0 | 84 | 16 |
| 21 | 0 | 82 | 18 |
| 22 | 0 | 80 | 20 |
| 23 | 0 | 77 | 23 |
| 24 | 0 | 75 | 25 |
| 25 | 0 | 73 | 27 |
| 26 | 0 | 70 | 30 |
| 27 | 0 | 68 | 32 |
| 28 | 0 | 66 | 34 |
| 29 | 0 | 65 | 35 |
| 30 | 0 | 63 | 37 |
| 31 | 0 | 62 | 38 |
Wind in March
Winds average 8 km/h in March.
Across March, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in March
Daylight runs from about 11 h 48 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over March. Sunrise moves from 6:39 AM to 6:23 AM, and sunset from 6:28 PM to 6:27 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 |
| Sunrise (AM) | 6:39 | 6:38 | 6:38 | 6:37 | 6:37 | 6:36 | 6:36 | 6:36 | 6:35 | 6:35 | 6:34 | 6:34 | 6:33 | 6:33 | 6:32 | 6:32 | 6:31 | 6:30 | 6:30 | 6:29 | 6:29 | 6:28 | 6:28 | 6:27 | 6:27 | 6:26 | 6:25 | 6:25 | 6:24 | 6:24 | 6:23 |
| Sunset (PM) | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:27 | 6:27 | 6:27 | 6:27 | 6:27 | 6:27 | 6:27 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:39 | 6:28 |
| 2 | 11.8 | 6:38 | 6:28 |
| 3 | 11.8 | 6:38 | 6:28 |
| 4 | 11.8 | 6:37 | 6:28 |
| 5 | 11.9 | 6:37 | 6:28 |
| 6 | 11.9 | 6:36 | 6:28 |
| 7 | 11.9 | 6:36 | 6:28 |
| 8 | 11.9 | 6:36 | 6:28 |
| 9 | 11.9 | 6:35 | 6:28 |
| 10 | 11.9 | 6:35 | 6:28 |
| 11 | 11.9 | 6:34 | 6:28 |
| 12 | 11.9 | 6:34 | 6:28 |
| 13 | 11.9 | 6:33 | 6:28 |
| 14 | 11.9 | 6:33 | 6:28 |
| 15 | 11.9 | 6:32 | 6:28 |
| 16 | 11.9 | 6:32 | 6:28 |
| 17 | 12.0 | 6:31 | 6:28 |
| 18 | 12.0 | 6:30 | 6:28 |
| 19 | 12.0 | 6:30 | 6:28 |
| 20 | 12.0 | 6:29 | 6:28 |
| 21 | 12.0 | 6:29 | 6:28 |
| 22 | 12.0 | 6:28 | 6:28 |
| 23 | 12.0 | 6:28 | 6:28 |
| 24 | 12.0 | 6:27 | 6:28 |
| 25 | 12.0 | 6:27 | 6:27 |
| 26 | 12.0 | 6:26 | 6:27 |
| 27 | 12.0 | 6:25 | 6:27 |
| 28 | 12.0 | 6:25 | 6:27 |
| 29 | 12.0 | 6:24 | 6:27 |
| 30 | 12.1 | 6:24 | 6:27 |
| 31 | 12.1 | 6:23 | 6:27 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 6.01 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 6.01 kWh/m² in March across the year — March's 6.01 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 |
| Level | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.0 | Bright |
| 2 | 6.0 | Bright |
| 3 | 6.0 | Intense |
| 4 | 6.0 | Intense |
| 5 | 6.0 | Intense |
| 6 | 6.0 | Intense |
| 7 | 6.1 | Intense |
| 8 | 6.1 | Intense |
| 9 | 6.1 | Intense |
| 10 | 6.1 | Intense |
| 11 | 6.1 | Intense |
| 12 | 6.1 | Intense |
| 13 | 6.1 | Intense |
| 14 | 6.1 | Intense |
| 15 | 6.0 | Intense |
| 16 | 6.0 | Intense |
| 17 | 6.0 | Intense |
| 18 | 6.0 | Intense |
| 19 | 6.0 | Bright |
| 20 | 6.0 | Bright |
| 21 | 6.0 | Bright |
| 22 | 5.9 | Bright |
| 23 | 5.9 | Bright |
| 24 | 5.9 | Bright |
| 25 | 5.9 | Bright |
| 26 | 5.9 | Bright |
| 27 | 5.9 | Bright |
| 28 | 5.9 | Bright |
| 29 | 5.9 | Bright |
| 30 | 5.9 | Bright |
| 31 | 5.9 | Bright |
Hazard calendar for Nakhon Si Thammarat
None of Nakhon Si Thammarat's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Nakhon Si Thammarat sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Nakhon Si Thammarat's rainy season runs October–December, when most of the year's rain falls.
Is March a good time to visit Nakhon Si Thammarat?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a reasonable time to visit Nakhon Si Thammarat for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Nakhon Si Thammarat in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Nakhon Si Thammarat sees daytime highs around 30°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 14 days see rain.
Sea temperature near Nakhon Si Thammarat in March
The nearest coast averages about 29°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 28 km away) is warmest in May at about 31°C and coldest in January near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 30 | 31 | 30 | 30 | 30 | 30 | 29 | 29 | 28 |
| Comfort | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 31 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in Nakhon Si Thammarat in March
Clear-sky midday UV in March peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nakhon Si Thammarat peaks around August 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 10 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 10 | 13 | 13 | 13 | 13 | 12 | 11 | 13 | 13 | 12 | 10 | 10 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 13 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Extreme |
| Dec | 10 | Extreme |
Air quality in Nakhon Si Thammarat in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Nakhon Si Thammarat is worst in April — around 28 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 24 | 22 | 24 | 28 | 25 | 26 | 24 | 22 | 24 | 26 | 25 | 22 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 24 | Moderate |
| Feb | 22 | Moderate |
| Mar | 24 | Moderate |
| Apr | 28 | Moderate |
| May | 25 | Moderate |
| Jun | 26 | Moderate |
| Jul | 24 | Moderate |
| Aug | 22 | Moderate |
| Sep | 24 | Moderate |
| Oct | 26 | Moderate |
| Nov | 25 | Moderate |
| Dec | 22 | Moderate |
Where is Nakhon Si Thammarat?
Nakhon Si Thammarat sits at 8.4°N, 100.0°E, 8 m above sea level, in Thailand. The nearest listed city is Pak Phanang, 27 km away.
Topography around Nakhon Si Thammarat
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nakhon Si Thammarat.
Within 3 km, the terrain around Nakhon Si Thammarat has only modest variations in elevation — a maximum elevation change of 28 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 565 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,772 m.
The land around Nakhon Si Thammarat is covered by artificial surfaces (38%), trees (37%) and grassland (21%) within 3 km, trees (58%) within 16 km, and trees (59%) and water (34%) within 80 km.
Thailand travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / C
- 230 V · 50 Hz
- Prices
- ≈ 31% of US
- price level, 2025
- GDP per capita
- $8,057
- 2025
- Happiness
- 6.3 / 10
- World Happiness, 2025
- Homicide rate
- 4.8
- per 100k, 2011
- Road deaths
- 32.2
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 402
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Nakhon Si Thammarat (8.4333°, 99.9667°, elevation 8 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).