Hmaw Bi climate — normals and trends

Hmaw Bi (Myanmar) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 3,449 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 (29.7 °C on average) and the coldest is January (25.0 °C). Rainfall peaks in July.

Hmaw Bi averages 0 frost days, 270 hot days (≥ 30 °C) and 194 rainy days per year.

Hmaw Bi has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.3 °C (on 18 March 2002) and the coldest 10.2 °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

Hmaw BiMon

coords
16.64°, 97.62°
period
19402025 · 86 yrs
AmTropical monsoonWarmest monthAprilColdest monthJanuaryWettest monthJulyDriest monthDecember

Mean daily temperature

27.1°C

Average daily high

31.8°C

Average daily low

23.7°C

Annual rainfall

3,449mm

Sunshine / day

8.9h

Mean relative humidity

80%

Average peak wind

12.1km/h

Seasonal range

4.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

270 d/yr

Rainy days (≥ 1 mm)

194 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.0 °C

Average feels-like low

28.1 °C

Average peak gust

30.0 km/h

Tropical nights (≥ 20 °C)

326 d/yr

Solar radiation

17.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.1 °C

since 1940

+0.3 °C per decade · r² = 0.86 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

40.3 °C

18 March 2002

Coldest day

10.2 °C

25 December 1999

Wettest day

377 mm

5 June 1958

Windiest day

48.9 km/h

3 May 2008

Strongest gust

107.3 km/h

3 May 2008

Hottest feels-like

48.4 °C

8 May 2003

Coldest feels-like

8.7 °C

26 December 1999

Sunniest day

13.0 h

14 June 1953

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202538.0 °C8 April 202516.2 °C28 November 202527.8 °C3,955 mm2980
202439.5 °C11 April 202418.1 °C22 January 202428.5 °C3,404 mm3140
202338.7 °C25 April 202317.6 °C31 January 202328.2 °C3,575 mm3060
202237.6 °C14 March 202217.3 °C1 February 202228.0 °C3,524 mm3120
202139.4 °C22 March 202117.5 °C3 January 202128.1 °C3,112 mm3170
202039.2 °C6 May 202016.5 °C28 January 202028.3 °C2,900 mm3260
201938.9 °C26 April 201915.1 °C8 December 201928.1 °C3,436 mm3020
201838.3 °C14 April 201816.9 °C1 February 201828.0 °C3,552 mm2780
201738.4 °C26 March 201714.5 °C21 December 201728.1 °C3,258 mm2960
201639.3 °C16 May 201614.1 °C9 February 201628.0 °C3,321 mm3030
201538.0 °C13 April 201517.2 °C17 February 201528.0 °C3,432 mm3010
201439.6 °C6 May 201413.6 °C24 January 201427.6 °C3,278 mm2940
201338.5 °C3 March 201315.2 °C18 December 201327.6 °C3,836 mm2740
201238.1 °C31 March 201214.3 °C17 January 201227.7 °C3,561 mm2830
201137.1 °C21 February 201116.8 °C15 January 201127.3 °C3,794 mm2900
201040.2 °C15 May 201017.1 °C26 December 201028.1 °C2,841 mm3260
200938.3 °C6 April 200915.0 °C17 January 200927.3 °C3,704 mm2960
200837.8 °C26 February 200816.1 °C3 January 200827.4 °C4,227 mm2910
200739.2 °C24 April 200715.6 °C21 January 200727.6 °C3,342 mm3160
200639.0 °C14 March 200614.1 °C23 December 200627.7 °C3,816 mm2990
200538.9 °C1 April 200516.2 °C2 January 200527.9 °C3,607 mm3020
200439.4 °C20 April 200416.6 °C31 December 200427.6 °C3,117 mm3020
200339.0 °C30 April 200316.7 °C26 January 200327.5 °C3,254 mm2980
200240.3 °C18 March 200218.1 °C22 December 200227.7 °C3,640 mm2860
200138.6 °C17 April 200116.4 °C28 November 200127.6 °C3,178 mm2860
200038.0 °C10 April 200017.4 °C14 January 200027.3 °C3,469 mm3000
199937.8 °C3 April 199910.2 °C25 December 199927.4 °C3,849 mm2680
199840.2 °C29 March 199816.8 °C20 January 199828.3 °C2,743 mm3360
199738.0 °C2 May 199715.0 °C11 February 199727.5 °C3,381 mm2850
199638.1 °C18 February 199614.5 °C2 January 199627.5 °C3,334 mm3040
199538.5 °C26 April 199515.7 °C31 December 199527.6 °C3,354 mm3070
199438.1 °C17 March 199417.8 °C1 January 199427.4 °C4,656 mm2780
199336.8 °C20 April 199313.5 °C28 December 199327.2 °C3,421 mm2940
199239.1 °C29 April 199215.6 °C29 February 199226.7 °C3,242 mm2730
199138.0 °C27 March 199116.8 °C23 January 199127.6 °C3,830 mm2970
199038.8 °C5 April 199016.7 °C7 December 199027.3 °C3,676 mm2820
198937.0 °C23 February 198915.4 °C17 December 198927.1 °C3,020 mm2880
198839.5 °C8 April 198817.5 °C5 January 198827.4 °C3,306 mm2950
198738.1 °C26 April 198716.7 °C11 December 198727.6 °C3,059 mm3030
198638.4 °C10 April 198614.8 °C9 January 198627.1 °C3,160 mm2820
198538.1 °C31 March 198516.0 °C26 December 198527.1 °C3,095 mm2450
198436.7 °C9 April 198416.9 °C24 January 198427.0 °C2,984 mm2730
198338.3 °C29 April 198314.0 °C30 November 198326.9 °C3,388 mm2610
198237.7 °C19 March 198214.8 °C23 December 198226.8 °C3,807 mm2530
198138.1 °C29 April 198116.9 °C22 January 198127.0 °C3,877 mm2470
198038.3 °C27 March 198015.9 °C2 February 198027.4 °C3,371 mm2850
197938.5 °C4 March 197916.6 °C31 December 197927.4 °C2,860 mm3060
197837.8 °C10 May 197814.6 °C19 January 197827.1 °C3,771 mm2730
197737.8 °C31 March 197716.4 °C11 January 197727.0 °C2,945 mm2730
197638.9 °C24 April 197612.7 °C1 January 197626.5 °C4,101 mm2420
197538.6 °C17 April 197512.2 °C24 December 197526.6 °C3,543 mm2380
197436.9 °C26 February 197412.5 °C6 January 197426.6 °C4,036 mm2710
197337.6 °C26 April 197312.4 °C27 December 197326.9 °C3,099 mm2790
197236.5 °C29 March 197214.8 °C17 January 197226.8 °C3,619 mm2650
197137.7 °C23 March 197113.4 °C10 January 197126.7 °C3,220 mm2500
197037.9 °C21 April 197018.4 °C28 January 197027.1 °C3,264 mm2670
196939.1 °C5 May 196916.1 °C12 February 196927.1 °C3,858 mm2860
196837.5 °C21 March 196815.8 °C21 January 196826.9 °C3,065 mm2850
196737.0 °C11 April 196715.7 °C19 January 196726.8 °C3,852 mm2580
196636.7 °C27 April 196616.7 °C3 January 196626.7 °C3,340 mm2360
196537.4 °C13 February 196515.8 °C19 January 196526.9 °C3,899 mm2690
196438.9 °C25 March 196414.8 °C20 December 196426.7 °C3,609 mm2630
196338.4 °C25 April 196314.3 °C29 January 196326.8 °C3,633 mm2480
196237.6 °C24 March 196214.9 °C7 December 196226.9 °C3,615 mm2710
196137.3 °C14 March 196114.0 °C20 January 196126.7 °C3,688 mm2420
196037.1 °C18 February 196015.9 °C3 January 196026.9 °C3,039 mm2480
195938.1 °C15 March 195916.9 °C7 February 195926.9 °C3,369 mm2540
195837.9 °C25 April 195815.3 °C10 December 195826.7 °C3,529 mm2560
195737.1 °C13 April 195714.7 °C19 February 195726.7 °C3,362 mm2740
195635.5 °C7 April 195615.1 °C8 January 195626.2 °C2,920 mm2260
195536.6 °C13 March 195513.4 °C13 January 195526.3 °C2,837 mm2510
195435.8 °C13 March 195415.6 °C20 December 195426.5 °C2,684 mm2610
195334.5 °C22 March 195316.0 °C14 December 195325.9 °C4,105 mm2130
195236.4 °C3 February 195215.5 °C12 December 195226.3 °C3,678 mm2210
195136.2 °C16 April 195116.7 °C3 February 195126.5 °C2,902 mm2500
195037.3 °C28 March 195015.8 °C30 January 195026.2 °C2,935 mm2100
194935.9 °C26 February 194914.8 °C13 February 194925.8 °C3,860 mm2040
194837.0 °C23 March 194815.7 °C4 January 194826.1 °C3,783 mm2330
194736.3 °C22 March 194716.7 °C31 December 194726.5 °C2,567 mm2440
194638.4 °C11 March 194615.1 °C12 January 194626.4 °C3,514 mm2310
194538.1 °C26 March 194515.6 °C24 December 194526.3 °C3,300 mm2220
194436.8 °C10 March 194415.6 °C22 December 194426.0 °C4,151 mm1800
194335.4 °C7 April 194315.1 °C6 February 194326.0 °C3,301 mm2310
194235.8 °C25 March 194215.2 °C16 December 194225.8 °C3,085 mm1580
194136.3 °C6 April 194116.4 °C24 January 194125.8 °C4,094 mm1920
194035.1 °C16 February 194013.2 °C1 January 194025.6 °C3,909 mm1800

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

Average daily high
32.4 °C
+0.6 °C
Hot days (≥ 30 °C)
298 d/yr
+28
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
3955 mm
+506 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan33.1 °C+1.0 °C0 mm-9 mm
Feb35.0 °C+1.3 °C6 mm-1 mm
Mar36.5 °C+1.7 °C6 mm-12 mm
Apr34.3 °C-0.6 °C155 mm+89 mm
May32.8 °C+0.7 °C400 mm+3 mm
Jun30.3 °C+0.6 °C864 mm+152 mm
Jul29.5 °C+0.2 °C956 mm+214 mm
Aug30.5 °C+1.3 °C646 mm-80 mm
Sep30.6 °C+0.3 °C553 mm+45 mm
Oct33.0 °C+1.1 °C179 mm-37 mm
Nov31.0 °C-1.3 °C190 mm+149 mm
Dec32.7 °C+0.9 °C0 mm-8 mm

The year's extremes

Hottest day
38.0 °C
8 Apr 2025
Coldest day
16.2 °C
28 Nov 2025
Wettest day
99.9 mm
23 Aug 2025
Windiest day
23.2 km/h
23 Jul 2025
Strongest gust
63.0 km/h
23 Jul 2025
Hottest feels-like
45.2 °C
8 Apr 2025
Coldest feels-like
16.6 °C
29 Nov 2025
Sunniest day
12.5 h
2 May 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Hmaw Bi?

Hmaw Bi has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 3,449 mm of precipitation per year.

What is the hottest day ever recorded in Hmaw Bi?

The hottest day measured in Hmaw Bi between 1940 and 2025 was 18 March 2002, reaching 40.3 °C.

What is the coldest day in Hmaw Bi?

The coldest day measured in Hmaw Bi between 1940 and 2025 was 25 December 1999, at 10.2 °C.

Does it snow in Hmaw Bi?

Almost never: Hmaw Bi sees virtually no snow, with about 0 frost days per year.

Has the climate of Hmaw Bi warmed?

Yes: Hmaw Bi warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Hmaw Bi?

The wettest day measured in Hmaw Bi between 1940 and 2025 was 5 June 1958, with 377 mm of rain in 24 hours.

What was the windiest day in Hmaw Bi?

The windiest day measured in Hmaw Bi between 1940 and 2025 was 3 May 2008, with winds reaching 48.9 km/h.

What is the warmest month in Hmaw Bi?

The warmest month in Hmaw Bi is April (29.7 °C on average); the coldest is January (25.0 °C).

How much does it rain in Hmaw Bi?

Hmaw Bi receives on average 3,449 mm of precipitation per year, spread over about 194 rainy days.

Is it sunny in Hmaw Bi?

Hmaw Bi gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

Are there tropical nights in Hmaw Bi?

Yes: Hmaw Bi has on average 326 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Hmaw Bi?

In Hmaw Bi, between 1940 and 2025, the highest apparent temperature reached 48.4 °C on 8 May 2003, and the lowest was 8.7 °C on 26 December 1999.

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The climate around Hmaw Bi

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