Phrae climate — normals and trends
Phrae (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.2 °C and it receives 1,722 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is April (28.4 °C on average) and the coldest is January (21.3 °C). Rainfall peaks in August.
Phrae averages 0 frost days, 229 hot days (≥ 30 °C) and 177 rainy days per year.
Phrae has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.6 °C (on 16 May 1963) and the coldest 4.7 °C (on 25 December 1999).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
PhraePhrae
- coords
- 18.15°, 100.14°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.2°C
Average daily high
31.0°C
Average daily low
20.9°C
Annual rainfall
1,722mm
Sunshine / day
9.6h
Mean relative humidity
78%
Average peak wind
8.5km/h
Seasonal range
7.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
229 d/yr
Rainy days (≥ 1 mm)
177 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.2 °C
Average feels-like low
23.9 °C
Average peak gust
27.2 km/h
Tropical nights (≥ 20 °C)
247 d/yr
Solar radiation
17.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.77 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
41.6 °C
16 May 1963
Coldest day
4.7 °C
25 December 1999
Wettest day
272 mm
2 July 1978
Windiest day
22.1 km/h
6 July 1981
Strongest gust
66.6 km/h
22 October 1952
Hottest feels-like
46.3 °C
11 May 2016
Coldest feels-like
2.1 °C
25 December 1999
Sunniest day
12.9 h
13 July 2023
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 29.0 °C | -0.3 °C | 0 mm | -16 mm |
| Feb | 32.4 °C | +0.6 °C | 7 mm | -5 mm |
| Mar | 35.5 °C | +1.2 °C | 1 mm | -34 mm |
| Apr | 35.1 °C | +0.1 °C | 44 mm | -29 mm |
| May | 32.6 °C | -0.1 °C | 231 mm | +20 mm |
| Jun | 31.3 °C | +0.5 °C | 297 mm | +51 mm |
| Jul | 29.6 °C | -0.4 °C | 410 mm | +137 mm |
| Aug | 31.1 °C | +1.4 °C | 308 mm | -31 mm |
| Sep | 31.1 °C | +1.1 °C | 253 mm | -74 mm |
| Oct | 31.4 °C | +1.2 °C | 114 mm | -30 mm |
| Nov | 28.7 °C | -0.9 °C | 104 mm | +67 mm |
| Dec | 29.0 °C | +0.5 °C | 21 mm | +11 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Phrae?
Phrae has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.2 °C and it receives 1,722 mm of precipitation per year.
What is the hottest day ever recorded in Phrae?
The hottest day measured in Phrae between 1940 and 2025 was 16 May 1963, reaching 41.6 °C.
What is the coldest day in Phrae?
The coldest day measured in Phrae between 1940 and 2025 was 25 December 1999, at 4.7 °C.
Does it snow in Phrae?
Almost never: Phrae sees virtually no snow, with about 0 frost days per year.
Has the climate of Phrae warmed?
Yes: Phrae warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Phrae?
The wettest day measured in Phrae between 1940 and 2025 was 2 July 1978, with 272 mm of rain in 24 hours.
What was the windiest day in Phrae?
The windiest day measured in Phrae between 1940 and 2025 was 6 July 1981, with winds reaching 22.1 km/h.
What is the warmest month in Phrae?
The warmest month in Phrae is April (28.4 °C on average); the coldest is January (21.3 °C).
How much does it rain in Phrae?
Phrae receives on average 1,722 mm of precipitation per year, spread over about 177 rainy days.
Is it sunny in Phrae?
Phrae gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
Are there tropical nights in Phrae?
Yes: Phrae has on average 247 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Phrae?
In Phrae, between 1940 and 2025, the highest apparent temperature reached 46.3 °C on 11 May 2016, and the lowest was 2.1 °C on 25 December 1999.
Compare Phrae with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Phrae