Tha Mai weather in January
In January, Tha Mai sees average daytime highs of 29°C and overnight lows near 24°C, with 29 mm of rain across 6.3 wet days and about 11.3 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 47% of the time in January, and the air most often feels oppressive.
Daylight stretches from about 11 h 18 min at the start of January to 11 h 24 min by month's end. Set against the rest of the year, January is Tha Mai's 2nd-clearest and 9th-windiest month. For the whole year in context, see Tha Mai's year-round climate.
- Daytime high
- 29°
- 8th warmest
- Overnight low
- 24°
- 2nd coldest
- Rainfall
- 29 mm
- 6.3 wet days
- Daylight
- 11 h 18 min
- 6:41 AM – 6:01 PM
- Cloud cover
- 45%
- 2nd clearest
- Wind
- 9 km/h
- 9th windiest
- Solar energy
- 5.21 kWh/m²
- Travel score
- 6.1
- out of 10
Tha Mai is town in Tha Mai district, Chanthaburi province, Thailand.
- Founded
- 1940
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 29°C through the month.
A typical January day in Tha Mai reaches about 29°C in the afternoon and slips back to 24°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, January runs on par with December and on par with February.
| 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 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 24 |
| 2 | 29 | 24 |
| 3 | 29 | 24 |
| 4 | 29 | 24 |
| 5 | 29 | 24 |
| 6 | 29 | 24 |
| 7 | 29 | 24 |
| 8 | 29 | 24 |
| 9 | 29 | 24 |
| 10 | 29 | 24 |
| 11 | 29 | 24 |
| 12 | 29 | 24 |
| 13 | 29 | 24 |
| 14 | 29 | 24 |
| 15 | 29 | 24 |
| 16 | 29 | 24 |
| 17 | 29 | 24 |
| 18 | 29 | 24 |
| 19 | 29 | 24 |
| 20 | 29 | 24 |
| 21 | 29 | 24 |
| 22 | 29 | 24 |
| 23 | 29 | 24 |
| 24 | 29 | 24 |
| 25 | 29 | 24 |
| 26 | 29 | 24 |
| 27 | 29 | 24 |
| 28 | 29 | 24 |
| 29 | 29 | 24 |
| 30 | 29 | 24 |
| 31 | 29 | 24 |
How January really feels in Tha Mai
Once humidity and wind are folded in, January averages 27 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Tha Mai weather by month
How January compares with the rest of the year at a glance. January is the 8th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 24° | 29 | 6.3 | 11.3 | 6.1 |
| Feb | 29° / 25° | 33 | 8.2 | 11.6 | 5.7 |
| Mar | 30° / 26° | 85 | 15.1 | 11.9 | 4.7 |
| Apr | 30° / 27° | 122 | 18.8 | 12.3 | 3.8 |
| May | 30° / 27° | 320 | 28.2 | 12.6 | 2.8 |
| Jun | 30° / 27° | 384 | 28.4 | 12.7 | 2.8 |
| Jul | 29° / 27° | 369 | 29.6 | 12.7 | 2.8 |
| Aug | 29° / 27° | 328 | 29.2 | 12.4 | 2.9 |
| Sep | 29° / 26° | 363 | 28.8 | 12.1 | 2.9 |
| Oct | 30° / 26° | 238 | 23 | 11.7 | 3.5 |
| Nov | 30° / 25° | 46 | 8 | 11.4 | 5.2 |
| Dec | 30° / 24° | 16 | 3.2 | 11.3 | 6.2 |
Cloud cover in January
The sky is clear or mostly clear about 47% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 21% of January, with mostly cloudy or overcast conditions the remaining 32%.
| 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 (%) | 67 | 67 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 65 | 66 | 65 | 65 | 65 | 66 | 67 | 67 | 69 | 69 | 71 | 71 | 73 | 73 | 75 | 75 | 76 |
| Cloudier (%) | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 34 | 35 | 35 | 35 | 34 | 33 | 33 | 31 | 31 | 29 | 29 | 27 | 27 | 25 | 25 | 24 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 67 | 33 |
| 2 | 67 | 33 |
| 3 | 66 | 34 |
| 4 | 66 | 34 |
| 5 | 66 | 34 |
| 6 | 66 | 34 |
| 7 | 66 | 34 |
| 8 | 66 | 34 |
| 9 | 66 | 34 |
| 10 | 66 | 34 |
| 11 | 65 | 35 |
| 12 | 65 | 35 |
| 13 | 65 | 35 |
| 14 | 65 | 35 |
| 15 | 65 | 35 |
| 16 | 66 | 34 |
| 17 | 65 | 35 |
| 18 | 65 | 35 |
| 19 | 65 | 35 |
| 20 | 66 | 34 |
| 21 | 67 | 33 |
| 22 | 67 | 33 |
| 23 | 69 | 31 |
| 24 | 69 | 31 |
| 25 | 71 | 29 |
| 26 | 71 | 29 |
| 27 | 73 | 27 |
| 28 | 73 | 27 |
| 29 | 75 | 25 |
| 30 | 75 | 25 |
| 31 | 76 | 24 |
Chance of precipitation in January
Tha Mai gets around 29 mm of rain over 6.3 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 20% and peaks near 23% 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 (%) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 19 | 19 | 20 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Rain chance (%) | |
|---|---|
| 1 | 11 |
| 2 | 12 |
| 3 | 13 |
| 4 | 14 |
| 5 | 15 |
| 6 | 16 |
| 7 | 17 |
| 8 | 19 |
| 9 | 19 |
| 10 | 20 |
| 11 | 21 |
| 12 | 22 |
| 13 | 22 |
| 14 | 22 |
| 15 | 23 |
| 16 | 23 |
| 17 | 23 |
| 18 | 23 |
| 19 | 23 |
| 20 | 22 |
| 21 | 22 |
| 22 | 22 |
| 23 | 22 |
| 24 | 22 |
| 25 | 21 |
| 26 | 21 |
| 27 | 21 |
| 28 | 21 |
| 29 | 21 |
| 30 | 21 |
| 31 | 21 |
Humidity in January
Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the oppressive band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 86% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Humid (%) | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Muggy (%) | 31 | 31 | 31 | 30 | 30 | 29 | 28 | 28 | 27 | 26 | 25 | 24 | 24 | 23 | 22 | 22 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 17 |
| Oppressive (%) | 32 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 34 | 34 | 35 | 36 | 37 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 38 |
| Miserable (%) | 18 | 19 | 19 | 20 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 29 | 30 | 30 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 32 | 32 | 32 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 4 | 15 | 31 | 32 | 18 |
| 2 | 4 | 14 | 31 | 33 | 19 |
| 3 | 3 | 14 | 31 | 33 | 19 |
| 4 | 3 | 13 | 30 | 33 | 20 |
| 5 | 3 | 13 | 30 | 33 | 22 |
| 6 | 3 | 12 | 29 | 32 | 23 |
| 7 | 3 | 12 | 28 | 32 | 24 |
| 8 | 3 | 12 | 28 | 32 | 25 |
| 9 | 3 | 12 | 27 | 32 | 26 |
| 10 | 3 | 12 | 26 | 32 | 27 |
| 11 | 3 | 12 | 25 | 32 | 28 |
| 12 | 3 | 12 | 24 | 32 | 29 |
| 13 | 3 | 12 | 24 | 33 | 29 |
| 14 | 3 | 11 | 23 | 33 | 30 |
| 15 | 3 | 11 | 22 | 33 | 30 |
| 16 | 3 | 11 | 22 | 34 | 31 |
| 17 | 3 | 11 | 21 | 34 | 31 |
| 18 | 3 | 11 | 20 | 35 | 31 |
| 19 | 3 | 10 | 20 | 36 | 30 |
| 20 | 3 | 10 | 20 | 37 | 30 |
| 21 | 3 | 10 | 19 | 38 | 30 |
| 22 | 3 | 9 | 19 | 38 | 30 |
| 23 | 3 | 9 | 19 | 39 | 30 |
| 24 | 3 | 9 | 19 | 39 | 30 |
| 25 | 3 | 9 | 18 | 39 | 30 |
| 26 | 3 | 9 | 18 | 39 | 31 |
| 27 | 3 | 9 | 18 | 39 | 31 |
| 28 | 3 | 9 | 18 | 39 | 31 |
| 29 | 3 | 9 | 18 | 39 | 32 |
| 30 | 3 | 9 | 17 | 38 | 32 |
| 31 | 3 | 9 | 17 | 38 | 32 |
Wind in January
Winds average 9 km/h in January.
Across January, daily wind ranges from about 9 km/h on the calmest days to 10 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) | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in January
Daylight runs from about 11 h 18 min at the start of January to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over January. Sunrise moves from 6:37 AM to 6:42 AM, and sunset from 5:53 PM to 6:09 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) | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 |
| Sunrise (AM) | 6:37 | 6:37 | 6:38 | 6:38 | 6:38 | 6:39 | 6:39 | 6:39 | 6:40 | 6:40 | 6:40 | 6:40 | 6:41 | 6:41 | 6:41 | 6:41 | 6:41 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 |
| Sunset (PM) | 5:53 | 5:54 | 5:54 | 5:55 | 5:55 | 5:56 | 5:56 | 5:57 | 5:57 | 5:58 | 5:59 | 5:59 | 6:00 | 6:00 | 6:01 | 6:01 | 6:02 | 6:02 | 6:03 | 6:03 | 6:04 | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.3 | 6:37 | 5:53 |
| 2 | 11.3 | 6:37 | 5:54 |
| 3 | 11.3 | 6:38 | 5:54 |
| 4 | 11.3 | 6:38 | 5:55 |
| 5 | 11.3 | 6:38 | 5:55 |
| 6 | 11.3 | 6:39 | 5:56 |
| 7 | 11.3 | 6:39 | 5:56 |
| 8 | 11.3 | 6:39 | 5:57 |
| 9 | 11.3 | 6:40 | 5:57 |
| 10 | 11.3 | 6:40 | 5:58 |
| 11 | 11.3 | 6:40 | 5:59 |
| 12 | 11.3 | 6:40 | 5:59 |
| 13 | 11.3 | 6:41 | 6:00 |
| 14 | 11.3 | 6:41 | 6:00 |
| 15 | 11.3 | 6:41 | 6:01 |
| 16 | 11.3 | 6:41 | 6:01 |
| 17 | 11.3 | 6:41 | 6:02 |
| 18 | 11.3 | 6:42 | 6:02 |
| 19 | 11.4 | 6:42 | 6:03 |
| 20 | 11.4 | 6:42 | 6:03 |
| 21 | 11.4 | 6:42 | 6:04 |
| 22 | 11.4 | 6:42 | 6:04 |
| 23 | 11.4 | 6:42 | 6:05 |
| 24 | 11.4 | 6:42 | 6:05 |
| 25 | 11.4 | 6:42 | 6:06 |
| 26 | 11.4 | 6:42 | 6:06 |
| 27 | 11.4 | 6:42 | 6:07 |
| 28 | 11.4 | 6:42 | 6:07 |
| 29 | 11.4 | 6:42 | 6:08 |
| 30 | 11.4 | 6:42 | 6:08 |
| 31 | 11.4 | 6:42 | 6:09 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 5.21 kWh/m².
For context, solar energy here swings from a low near 4.32 kWh/m² to a high of 5.89 kWh/m² in April across the year — January's 5.21 kWh/m² falls in the middle.
| 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) | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.1 | Bright |
| 2 | 5.1 | Bright |
| 3 | 5.1 | Bright |
| 4 | 5.1 | Bright |
| 5 | 5.1 | Bright |
| 6 | 5.1 | Bright |
| 7 | 5.1 | Bright |
| 8 | 5.1 | Bright |
| 9 | 5.1 | Bright |
| 10 | 5.2 | Bright |
| 11 | 5.2 | Bright |
| 12 | 5.2 | Bright |
| 13 | 5.2 | Bright |
| 14 | 5.2 | Bright |
| 15 | 5.2 | Bright |
| 16 | 5.2 | Bright |
| 17 | 5.2 | Bright |
| 18 | 5.2 | Bright |
| 19 | 5.2 | Bright |
| 20 | 5.3 | Bright |
| 21 | 5.3 | Bright |
| 22 | 5.3 | Bright |
| 23 | 5.3 | Bright |
| 24 | 5.3 | Bright |
| 25 | 5.3 | Bright |
| 26 | 5.3 | Bright |
| 27 | 5.4 | Bright |
| 28 | 5.4 | Bright |
| 29 | 5.4 | Bright |
| 30 | 5.4 | Bright |
| 31 | 5.5 | Bright |
Hazard calendar for Tha Mai
In January, Tha Mai sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Tha Mai sits in the Pacific typhoon belt; the season peaks July–October.
Tha Mai's monsoon runs May–October, when most of the year's rain falls.
Is January a good time to visit Tha Mai?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Tha Mai for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Tha Mai in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Tha Mai sees daytime highs around 29°C and nights near 24°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.
Sea temperature near Tha Mai in January
The nearest coast averages about 28°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 14 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 | 29 | 29 | 29 | 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 | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in Tha Mai in January
Clear-sky midday UV in January peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tha Mai peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (very high).
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) | 9 | 10 | 13 | 13 | 12 | 12 | 12 | 14 | 12 | 11 | 9 | 9 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 10 | Very high |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Tha Mai in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Tha Mai is worst in February — around 32 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (August, 14 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 26 | 32 | 27 | 22 | 16 | 14 | 15 | 14 | 15 | 18 | 16 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 26 | Moderate |
| Feb | 32 | Moderate |
| Mar | 27 | Moderate |
| Apr | 22 | Moderate |
| May | 16 | Moderate |
| Jun | 14 | Moderate |
| Jul | 15 | Moderate |
| Aug | 14 | Moderate |
| Sep | 15 | Moderate |
| Oct | 18 | Moderate |
| Nov | 16 | Moderate |
| Dec | 16 | Moderate |
Where is Tha Mai?
Tha Mai sits at 12.6°N, 102.0°E, 4 m above sea level, in Thailand. The nearest listed city is Chanthaburi, 11 km away.
Topography around Tha Mai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tha Mai.
Within 3 km, the terrain around Tha Mai has only modest variations in elevation — a maximum elevation change of 63 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 559 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,603 m.
The land around Tha Mai is covered by trees (61%) within 3 km, trees (52%) and water (23%) within 16 km, and trees (60%) and water (30%) 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 Tha Mai (12.6219°, 102.0048°, elevation 4 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).