Hpa-An climate — normals and trends
Hpa-An (Myanmar) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.6 °C and it receives 3,787 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 (29.8 °C on average) and the coldest is January (24.3 °C). Rainfall peaks in July.
Hpa-An averages 0 frost days, 271 hot days (≥ 30 °C) and 194 rainy days per year.
Hpa-An has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.3 °C (on 8 April 1988) and the coldest 7.8 °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
Hpa-AnKayin State
- coords
- 16.89°, 97.63°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.6°C
Average daily high
32.2°C
Average daily low
22.5°C
Annual rainfall
3,787mm
Sunshine / day
8.6h
Mean relative humidity
78%
Average peak wind
9.8km/h
Seasonal range
5.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
271 d/yr
Rainy days (≥ 1 mm)
194 d/yr
Annual snowfall
0.0 cm
Average feels-like high
37.1 °C
Average feels-like low
26.4 °C
Average peak gust
26.1 km/h
Tropical nights (≥ 20 °C)
295 d/yr
Solar radiation
16.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.81 · 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
42.3 °C
8 April 1988
Coldest day
7.8 °C
25 December 1999
Wettest day
443 mm
6 June 1958
Windiest day
42.3 km/h
3 May 2008
Strongest gust
100.8 km/h
3 May 2008
Hottest feels-like
48.9 °C
8 May 2003
Coldest feels-like
6.1 °C
25 December 1999
Sunniest day
13.0 h
7 June 1951
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 | 32.9 °C | +0.4 °C | 0 mm | -10 mm |
| Feb | 35.8 °C | +1.2 °C | 6 mm | -1 mm |
| Mar | 38.2 °C | +1.7 °C | 6 mm | -12 mm |
| Apr | 35.2 °C | -1.4 °C | 111 mm | +47 mm |
| May | 33.2 °C | +0.7 °C | 369 mm | -34 mm |
| Jun | 30.0 °C | +0.6 °C | 910 mm | +115 mm |
| Jul | 29.2 °C | +0.2 °C | 1166 mm | +311 mm |
| Aug | 30.5 °C | +1.5 °C | 768 mm | -79 mm |
| Sep | 30.7 °C | +0.4 °C | 528 mm | -5 mm |
| Oct | 32.9 °C | +0.9 °C | 176 mm | -34 mm |
| Nov | 31.1 °C | -1.4 °C | 155 mm | +116 mm |
| Dec | 32.7 °C | +0.7 °C | 0 mm | -7 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 Hpa-An?
Hpa-An has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.6 °C and it receives 3,787 mm of precipitation per year.
What is the hottest day ever recorded in Hpa-An?
The hottest day measured in Hpa-An between 1940 and 2025 was 8 April 1988, reaching 42.3 °C.
What is the coldest day in Hpa-An?
The coldest day measured in Hpa-An between 1940 and 2025 was 25 December 1999, at 7.8 °C.
Does it snow in Hpa-An?
Almost never: Hpa-An sees virtually no snow, with about 0 frost days per year.
Has the climate of Hpa-An warmed?
Yes: Hpa-An warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hpa-An?
The wettest day measured in Hpa-An between 1940 and 2025 was 6 June 1958, with 443 mm of rain in 24 hours.
What was the windiest day in Hpa-An?
The windiest day measured in Hpa-An between 1940 and 2025 was 3 May 2008, with winds reaching 42.3 km/h.
What is the warmest month in Hpa-An?
The warmest month in Hpa-An is April (29.8 °C on average); the coldest is January (24.3 °C).
How much does it rain in Hpa-An?
Hpa-An receives on average 3,787 mm of precipitation per year, spread over about 194 rainy days.
Is it sunny in Hpa-An?
Hpa-An gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
Are there tropical nights in Hpa-An?
Yes: Hpa-An has on average 295 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hpa-An?
In Hpa-An, between 1940 and 2025, the highest apparent temperature reached 48.9 °C on 8 May 2003, and the lowest was 6.1 °C on 25 December 1999.
Compare Hpa-An with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hpa-An