Ron Phibun weather in December
In December, Ron Phibun sees average daytime highs of 29°C and overnight lows near 22°C, with 169 mm of rain across 18.3 wet days and about 11.5 hours of daylight. It is the 12th-warmest and 8th-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 10% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 11 h 36 min at the start of December to 11 h 30 min by month's end. Set against the rest of the year, December is Ron Phibun's 5th-clearest and 4th-windiest month. For the whole year in context, see Ron Phibun's year-round climate.
- Daytime high
- 29°
- 12th warmest
- Overnight low
- 22°
- 3rd coldest
- Rainfall
- 169 mm
- 18.3 wet days
- Daylight
- 11 h 30 min
- 6:31 AM – 6:03 PM
- Cloud cover
- 76%
- 5th clearest
- Wind
- 6 km/h
- 4th windiest
- Solar energy
- 3.96 kWh/m²
- Travel score
- 4.1
- out of 10
Temperature in December
Day-to-day highs hold fairly steady near 29°C through the month.
A typical December day in Ron Phibun reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.
| 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 | 30 | 30 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 23 |
| 2 | 29 | 23 |
| 3 | 29 | 23 |
| 4 | 29 | 23 |
| 5 | 29 | 23 |
| 6 | 29 | 23 |
| 7 | 29 | 23 |
| 8 | 29 | 23 |
| 9 | 29 | 23 |
| 10 | 29 | 23 |
| 11 | 29 | 22 |
| 12 | 29 | 22 |
| 13 | 29 | 22 |
| 14 | 29 | 22 |
| 15 | 29 | 22 |
| 16 | 29 | 22 |
| 17 | 29 | 22 |
| 18 | 29 | 22 |
| 19 | 29 | 22 |
| 20 | 29 | 22 |
| 21 | 29 | 22 |
| 22 | 29 | 22 |
| 23 | 29 | 22 |
| 24 | 29 | 22 |
| 25 | 29 | 22 |
| 26 | 29 | 22 |
| 27 | 29 | 22 |
| 28 | 29 | 22 |
| 29 | 29 | 22 |
| 30 | 30 | 22 |
| 31 | 30 | 22 |
How December really feels in Ron Phibun
Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Ron Phibun weather by month
How December compares with the rest of the year at a glance. December is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 22° | 89 | 14.6 | 11.6 | 4.4 |
| Feb | 31° / 22° | 51 | 9.7 | 11.7 | 4.2 |
| Mar | 33° / 23° | 121 | 13.9 | 11.9 | 3.3 |
| Apr | 34° / 24° | 150 | 19.7 | 12.2 | 2.4 |
| May | 33° / 24° | 199 | 25.7 | 12.4 | 2.2 |
| Jun | 32° / 24° | 170 | 23.8 | 12.5 | 2.6 |
| Jul | 31° / 23° | 183 | 25.2 | 12.4 | 2.7 |
| Aug | 31° / 23° | 212 | 26.4 | 12.3 | 2.6 |
| Sep | 31° / 23° | 248 | 27.1 | 12 | 2.5 |
| Oct | 31° / 23° | 318 | 28.9 | 11.8 | 2.6 |
| Nov | 30° / 23° | 274 | 25.2 | 11.6 | 3.1 |
| Dec | 29° / 22° | 169 | 18.3 | 11.5 | 4.1 |
Cloud cover in December
The sky is clear or mostly clear about 10% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 73%.
| 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 (%) | 22 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 24 | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 30 | 31 | 31 | 32 | 33 | 34 |
| Cloudier (%) | 78 | 77 | 77 | 77 | 76 | 76 | 75 | 76 | 76 | 75 | 75 | 75 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 71 | 71 | 70 | 70 | 69 | 69 | 68 | 67 | 66 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 22 | 78 |
| 2 | 23 | 77 |
| 3 | 23 | 77 |
| 4 | 23 | 77 |
| 5 | 24 | 76 |
| 6 | 24 | 76 |
| 7 | 25 | 75 |
| 8 | 24 | 76 |
| 9 | 24 | 76 |
| 10 | 25 | 75 |
| 11 | 25 | 75 |
| 12 | 25 | 75 |
| 13 | 26 | 74 |
| 14 | 26 | 74 |
| 15 | 27 | 73 |
| 16 | 27 | 73 |
| 17 | 27 | 73 |
| 18 | 27 | 73 |
| 19 | 27 | 73 |
| 20 | 27 | 73 |
| 21 | 28 | 72 |
| 22 | 28 | 72 |
| 23 | 29 | 71 |
| 24 | 29 | 71 |
| 25 | 30 | 70 |
| 26 | 30 | 70 |
| 27 | 31 | 69 |
| 28 | 31 | 69 |
| 29 | 32 | 68 |
| 30 | 33 | 67 |
| 31 | 34 | 66 |
Chance of precipitation in December
Ron Phibun gets around 169 mm of rain over 18.3 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 60% and peaks near 74% on the wettest days. The odds ease 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 (%) | 74 | 72 | 71 | 70 | 69 | 67 | 66 | 66 | 65 | 64 | 63 | 63 | 62 | 61 | 60 | 59 | 58 | 58 | 57 | 56 | 55 | 54 | 53 | 52 | 52 | 51 | 51 | 51 | 51 | 51 | 51 |
| Rain chance (%) | |
|---|---|
| 1 | 74 |
| 2 | 72 |
| 3 | 71 |
| 4 | 70 |
| 5 | 69 |
| 6 | 67 |
| 7 | 66 |
| 8 | 66 |
| 9 | 65 |
| 10 | 64 |
| 11 | 63 |
| 12 | 63 |
| 13 | 62 |
| 14 | 61 |
| 15 | 60 |
| 16 | 59 |
| 17 | 58 |
| 18 | 58 |
| 19 | 57 |
| 20 | 56 |
| 21 | 55 |
| 22 | 54 |
| 23 | 53 |
| 24 | 52 |
| 25 | 52 |
| 26 | 51 |
| 27 | 51 |
| 28 | 51 |
| 29 | 51 |
| 30 | 51 |
| 31 | 51 |
Humidity in December
Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the oppressive band about 84% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Muggy (%) | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 |
| Oppressive (%) | 78 | 79 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 85 | 86 | 85 | 86 | 86 | 87 | 86 | 86 | 85 | 86 | 84 | 84 | 84 | 84 | 84 | 83 | 84 | 83 | 83 | 83 | 84 | 84 |
| Miserable (%) | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 4 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 0 | 3 | 78 | 19 |
| 2 | 0 | 3 | 79 | 18 |
| 3 | 0 | 4 | 79 | 17 |
| 4 | 0 | 4 | 80 | 16 |
| 5 | 0 | 4 | 81 | 15 |
| 6 | 0 | 4 | 82 | 14 |
| 7 | 0 | 4 | 83 | 13 |
| 8 | 0 | 4 | 84 | 12 |
| 9 | 0 | 4 | 85 | 11 |
| 10 | 0 | 4 | 85 | 11 |
| 11 | 0 | 4 | 86 | 10 |
| 12 | 0 | 5 | 85 | 10 |
| 13 | 0 | 5 | 86 | 9 |
| 14 | 0 | 5 | 86 | 9 |
| 15 | 0 | 5 | 87 | 8 |
| 16 | 0 | 6 | 86 | 8 |
| 17 | 0 | 6 | 86 | 8 |
| 18 | 0 | 7 | 85 | 8 |
| 19 | 0 | 7 | 86 | 7 |
| 20 | 1 | 8 | 84 | 7 |
| 21 | 1 | 8 | 84 | 7 |
| 22 | 1 | 8 | 84 | 7 |
| 23 | 1 | 9 | 84 | 6 |
| 24 | 1 | 9 | 84 | 6 |
| 25 | 1 | 10 | 83 | 6 |
| 26 | 1 | 10 | 84 | 5 |
| 27 | 1 | 11 | 83 | 5 |
| 28 | 1 | 11 | 83 | 5 |
| 29 | 1 | 11 | 83 | 5 |
| 30 | 1 | 11 | 84 | 4 |
| 31 | 1 | 11 | 84 | 4 |
Wind in December
Winds average 6 km/h in December.
Across December, daily wind ranges from about 6 km/h on the calmest days to 7 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) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 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 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in December
Daylight runs from about 11 h 36 min at the start of December to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 6:24 AM to 6:38 AM, and sunset from 5:57 PM to 6:10 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) | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 |
| Sunrise (AM) | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:27 | 6:27 | 6:27 | 6:28 | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:37 | 6:38 |
| Sunset (PM) | 5:57 | 5:57 | 5:58 | 5:58 | 5:58 | 5:59 | 5:59 | 5:59 | 6:00 | 6:00 | 6:00 | 6:01 | 6:01 | 6:02 | 6:02 | 6:03 | 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 | 6:09 | 6:10 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 6:24 | 5:57 |
| 2 | 11.6 | 6:24 | 5:57 |
| 3 | 11.6 | 6:25 | 5:58 |
| 4 | 11.5 | 6:25 | 5:58 |
| 5 | 11.5 | 6:26 | 5:58 |
| 6 | 11.5 | 6:26 | 5:59 |
| 7 | 11.5 | 6:27 | 5:59 |
| 8 | 11.5 | 6:27 | 5:59 |
| 9 | 11.5 | 6:27 | 6:00 |
| 10 | 11.5 | 6:28 | 6:00 |
| 11 | 11.5 | 6:28 | 6:00 |
| 12 | 11.5 | 6:29 | 6:01 |
| 13 | 11.5 | 6:29 | 6:01 |
| 14 | 11.5 | 6:30 | 6:02 |
| 15 | 11.5 | 6:30 | 6:02 |
| 16 | 11.5 | 6:31 | 6:03 |
| 17 | 11.5 | 6:31 | 6:03 |
| 18 | 11.5 | 6:32 | 6:03 |
| 19 | 11.5 | 6:32 | 6:04 |
| 20 | 11.5 | 6:33 | 6:04 |
| 21 | 11.5 | 6:33 | 6:05 |
| 22 | 11.5 | 6:34 | 6:05 |
| 23 | 11.5 | 6:34 | 6:06 |
| 24 | 11.5 | 6:35 | 6:06 |
| 25 | 11.5 | 6:35 | 6:07 |
| 26 | 11.5 | 6:36 | 6:07 |
| 27 | 11.5 | 6:36 | 6:08 |
| 28 | 11.5 | 6:37 | 6:08 |
| 29 | 11.5 | 6:37 | 6:09 |
| 30 | 11.5 | 6:37 | 6:09 |
| 31 | 11.5 | 6:38 | 6:10 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 3.96 kWh/m².
For context, solar energy here swings from a low near 3.79 kWh/m² to a high of 5.88 kWh/m² in March across the year — December's 3.96 kWh/m² sits near the bottom.
| 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) | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.8 | Moderate |
| 2 | 3.8 | Moderate |
| 3 | 3.8 | Moderate |
| 4 | 3.8 | Moderate |
| 5 | 3.8 | Moderate |
| 6 | 3.8 | Moderate |
| 7 | 3.8 | Moderate |
| 8 | 3.8 | Moderate |
| 9 | 3.9 | Moderate |
| 10 | 3.9 | Moderate |
| 11 | 3.9 | Moderate |
| 12 | 3.9 | Moderate |
| 13 | 3.9 | Moderate |
| 14 | 3.9 | Moderate |
| 15 | 4.0 | Moderate |
| 16 | 4.0 | Moderate |
| 17 | 4.0 | Moderate |
| 18 | 4.0 | Bright |
| 19 | 4.0 | Bright |
| 20 | 4.0 | Bright |
| 21 | 4.1 | Bright |
| 22 | 4.1 | Bright |
| 23 | 4.1 | Bright |
| 24 | 4.1 | Bright |
| 25 | 4.1 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.2 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.2 | Bright |
| 30 | 4.2 | Bright |
| 31 | 4.2 | Bright |
Hazard calendar for Ron Phibun
In December, Ron Phibun sits inside its cyclone season. The full year is below, with each hazard's peak months called out.
Ron Phibun sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Is December a good time to visit Ron Phibun?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Ron Phibun for sightseeing.
What to pack for Ron Phibun in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Ron Phibun sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 18 days see rain.
Sea temperature near Ron Phibun in December
The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 58 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 Ron Phibun in December
Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ron Phibun peaks around March 24 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 | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| 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 Ron Phibun in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Ron Phibun 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 Ron Phibun?
Ron Phibun sits at 8.2°N, 99.9°E, 37 m above sea level, in Thailand. The nearest listed city is Thung Song, 19 km away.
Topography around Ron Phibun
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ron Phibun.
Within 3 km, the terrain around Ron Phibun has significant variations in elevation — a maximum elevation change of 291 m around an average of 58 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,106 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,772 m.
The land around Ron Phibun is covered by trees (90%) within 3 km, trees (87%) within 16 km, and trees (68%) and water (24%) 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 Ron Phibun (8.1791°, 99.8542°, elevation 37 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).