Phrae in Fall
In fall (September, October and November), Phrae sees average daytime highs around 31°C and overnight lows near 22°C, with 468 mm of rain over about 47 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 29% of the time across fall, and the air most often feels oppressive.
Fall is Phrae's 2nd-best season to visit on our travel score. For the whole year in context, see Phrae's year-round climate.
- Avg daytime high
- 31°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 468 mm
- 47 wet days
- Avg wind
- 4 km/h
- Travel score
- 4.0
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Phrae in Fall
Across fall, daytime highs hold fairly steady around 31°C.
A typical fall day in Phrae reaches about 31°C and drops to 22°C overnight. The warmest of the three months is October, the coolest November.
How fall really feels in Phrae
Once humidity and wind are folded in, fall brings about 83 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Phrae weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 16° | 18 | 2.3 | 11 | 6.4 |
| Feb | 32° / 17° | 9 | 1.4 | 11.4 | 5.0 |
| Mar | 35° / 21° | 32 | 4.4 | 11.9 | 3.3 |
| Apr | 35° / 24° | 71 | 10.4 | 12.4 | 2.4 |
| May | 33° / 25° | 215 | 21.7 | 12.8 | 2.4 |
| Jun | 32° / 25° | 246 | 25.6 | 13.1 | 2.4 |
| Jul | 31° / 24° | 300 | 28.5 | 13 | 2.6 |
| Aug | 30° / 24° | 367 | 29.5 | 12.6 | 2.5 |
| Sep | 31° / 24° | 312 | 27.2 | 12.1 | 2.6 |
| Oct | 31° / 23° | 128 | 16.2 | 11.6 | 3.9 |
| Nov | 31° / 20° | 27 | 3.9 | 11.1 | 5.6 |
| Dec | 29° / 17° | 15 | 1.8 | 10.9 | 6.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 29% of the time across fall.
Chance of precipitation in Fall
Phrae gets around 468 mm of rain over 47 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 4 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 11 hours by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.4 kWh/m².
Hazard calendar for Phrae
In fall, Phrae overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Phrae's monsoon runs May–September, when most of the year's rain falls.
Is fall a good time to visit Phrae?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Phrae for sightseeing.
What to pack for Phrae in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Phrae sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 47 days see rain.
UV index in Phrae in Fall
Clear-sky midday UV across fall averages 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 Phrae peaks around June 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (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) | 8 | 10 | 9 | 10 | 12 | 13 | 12 | 13 | 11 | 10 | 8 | 7 |
| Level | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 9 | Very high |
| Apr | 10 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | Very high |
Air quality in Phrae in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Phrae is worst in March — around 61 µg/m³ PM2.5 (unhealthy), about 3.4× the cleanest month (June, 18 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) | 30 | 42 | 61 | 48 | 26 | 18 | 18 | 18 | 18 | 19 | 20 | 22 |
| Level | Moderate | Poor | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 30 | Moderate |
| Feb | 42 | Poor |
| Mar | 61 | Unhealthy |
| Apr | 48 | Poor |
| May | 26 | Moderate |
| Jun | 18 | Moderate |
| Jul | 18 | Moderate |
| Aug | 18 | Moderate |
| Sep | 18 | Moderate |
| Oct | 19 | Moderate |
| Nov | 20 | Moderate |
| Dec | 22 | Moderate |
Where is Phrae?
Phrae sits at 18.1°N, 100.1°E, 162 m above sea level, in Thailand. The nearest listed city is Den Chai, 20 km away.
Topography around Phrae
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Phrae.
Within 3 km, the terrain around Phrae has only modest variations in elevation — a maximum elevation change of 27 m around an average of 158 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 873 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,607 m.
The land around Phrae is covered by trees (38%), cropland (31%) and artificial surfaces (28%) within 3 km, trees (62%) and cropland (30%) within 16 km, and trees (81%) 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 Phrae (18.1459°, 100.141°, elevation 162 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.