Phra Phutthabat climate — normals and trends

Phra Phutthabat (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.1 °C and it receives 1,277 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 (30.6 °C on average) and the coldest is December (25.7 °C). Rainfall peaks in September.

Phra Phutthabat averages 0 frost days, 330 hot days (≥ 30 °C) and 170 rainy days per year.

Phra Phutthabat has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.9 °C (on 12 May 1970) and the coldest 11.2 °C (on 12 January 1955).

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

Phra PhutthabatSaraburi

coords
14.73°, 100.80°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

28.1°C

Average daily high

33.3°C

Average daily low

24.2°C

Annual rainfall

1,277mm

Sunshine / day

10.2h

Mean relative humidity

70%

Average peak wind

14.5km/h

Seasonal range

4.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

330 d/yr

Rainy days (≥ 1 mm)

170 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.5 °C

Average feels-like low

27.5 °C

Average peak gust

33.5 km/h

Tropical nights (≥ 20 °C)

338 d/yr

Solar radiation

18.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.73 · 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

41.9 °C

12 May 1970

Coldest day

11.2 °C

12 January 1955

Wettest day

192 mm

5 September 1963

Windiest day

34.0 km/h

23 November 1975

Strongest gust

72.7 km/h

8 August 2008

Hottest feels-like

47.8 °C

18 April 2019

Coldest feels-like

6.5 °C

12 January 1955

Sunniest day

12.8 h

12 July 1941

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202539.4 °C22 April 202516.1 °C29 November 202528.5 °C1,529 mm3360
202441.9 °C27 April 202419.0 °C23 December 202429.7 °C1,270 mm3540
202341.4 °C6 May 202317.2 °C30 January 202329.6 °C1,067 mm3530
202239.2 °C15 April 202217.5 °C19 December 202228.5 °C1,473 mm3380
202140.1 °C2 June 202115.2 °C12 January 202128.7 °C1,567 mm3370
202040.6 °C9 March 202018.2 °C21 December 202029.3 °C1,318 mm3360
201940.6 °C20 April 201916.9 °C7 December 201929.6 °C1,001 mm3480
201837.7 °C24 April 201818.0 °C13 January 201828.9 °C1,243 mm3500
201740.6 °C22 April 201715.2 °C20 December 201728.9 °C1,329 mm3470
201641.1 °C6 April 201613.6 °C26 January 201629.4 °C1,007 mm3520
201540.6 °C20 April 201517.7 °C17 January 201529.4 °C952 mm3510
201439.1 °C27 April 201413.2 °C25 January 201428.7 °C1,071 mm3460
201340.7 °C2 May 201315.8 °C28 December 201328.7 °C1,245 mm3310
201239.1 °C27 April 201219.6 °C31 December 201228.9 °C1,189 mm3610
201138.5 °C18 April 201116.9 °C12 December 201127.9 °C1,601 mm3290
201040.9 °C22 April 201018.5 °C18 December 201029.0 °C1,357 mm3410
200939.3 °C8 May 200914.7 °C11 January 200928.3 °C1,322 mm3430
200839.2 °C21 April 200816.7 °C2 January 200828.1 °C1,509 mm3280
200739.9 °C1 April 200715.6 °C5 February 200728.9 °C1,219 mm3480
200638.9 °C12 April 200616.1 °C24 December 200628.9 °C1,337 mm3460
200540.1 °C4 May 200516.0 °C4 January 200529.0 °C1,244 mm3390
200440.7 °C15 April 200417.2 °C30 December 200429.0 °C924 mm3610
200341.3 °C6 May 200317.0 °C21 December 200328.9 °C1,112 mm3530
200239.7 °C22 April 200218.2 °C1 January 200228.9 °C1,371 mm3520
200140.6 °C21 April 200117.3 °C23 December 200128.7 °C1,281 mm3460
200039.9 °C4 April 200015.5 °C4 February 200028.2 °C1,353 mm3420
199939.4 °C11 March 199912.1 °C25 December 199928.0 °C1,448 mm3330
199840.4 °C13 April 199818.3 °C13 December 199829.2 °C1,116 mm3480
199740.4 °C4 May 199716.5 °C14 January 199729.0 °C972 mm3560
199639.9 °C31 March 199614.5 °C2 January 199628.0 °C1,487 mm3420
199540.7 °C15 April 199514.9 °C8 January 199528.3 °C1,420 mm3350
199440.5 °C7 April 199417.6 °C30 December 199428.6 °C1,261 mm3470
199341.2 °C28 April 199315.6 °C31 January 199328.5 °C1,013 mm3440
199241.2 °C14 April 199216.9 °C2 December 199228.3 °C1,086 mm3220
199139.6 °C19 May 199118.7 °C7 February 199128.7 °C1,085 mm3500
199040.1 °C16 April 199016.9 °C6 December 199028.6 °C1,371 mm3480
198939.9 °C19 April 198916.3 °C4 December 198928.6 °C1,002 mm3490
198839.5 °C17 March 198816.2 °C14 December 198828.3 °C1,354 mm3300
198740.4 °C11 April 198715.7 °C8 December 198728.4 °C1,117 mm3320
198638.8 °C27 March 198615.3 °C7 January 198627.8 °C1,291 mm3280
198539.8 °C14 April 198515.2 °C24 December 198527.9 °C1,356 mm3330
198439.6 °C5 May 198414.1 °C10 January 198428.0 °C932 mm3430
198341.4 °C22 May 198314.9 °C23 January 198328.3 °C1,275 mm3080
198239.1 °C2 May 198212.3 °C30 December 198228.1 °C1,076 mm3360
198138.9 °C23 March 198115.1 °C19 January 198127.9 °C1,271 mm3310
198041.7 °C4 May 198015.2 °C25 December 198028.5 °C1,209 mm3450
197941.0 °C20 April 197916.5 °C27 December 197928.8 °C1,065 mm3560
197840.6 °C30 April 197816.6 °C17 December 197828.3 °C1,407 mm3370
197740.0 °C18 April 197716.5 °C23 February 197728.2 °C1,086 mm3500
197640.5 °C17 April 197611.4 °C17 January 197627.5 °C1,559 mm3200
197540.6 °C29 April 197513.0 °C18 December 197527.5 °C1,585 mm3160
197439.2 °C21 April 197414.1 °C2 January 197427.6 °C1,483 mm3250
197340.5 °C23 April 197312.9 °C27 December 197328.1 °C1,188 mm3300
197241.7 °C8 May 197214.4 °C16 January 197228.0 °C1,489 mm3360
197139.3 °C8 April 197114.2 °C11 January 197127.3 °C1,169 mm3120
197041.9 °C12 May 197017.1 °C2 January 197028.0 °C1,245 mm3350
196939.9 °C3 April 196915.9 °C6 December 196928.1 °C1,302 mm3180
196839.9 °C28 May 196813.7 °C6 January 196828.1 °C1,041 mm3520
196739.8 °C31 March 196712.5 °C17 January 196727.4 °C1,206 mm3210
196638.0 °C29 April 196617.5 °C3 December 196627.3 °C1,615 mm2890
196539.7 °C1 May 196514.0 °C21 January 196527.6 °C1,400 mm3400
196439.6 °C7 April 196415.0 °C19 December 196427.5 °C1,455 mm3080
196341.0 °C16 May 196312.9 °C16 January 196327.5 °C1,524 mm3110
196239.9 °C23 March 196214.9 °C6 December 196227.6 °C1,183 mm3270
196139.7 °C25 April 196113.0 °C19 January 196127.9 °C1,034 mm3370
196041.6 °C25 April 196012.4 °C4 January 196028.4 °C1,058 mm3380
195938.8 °C4 April 195916.6 °C15 January 195928.0 °C1,005 mm3320
195840.0 °C25 April 195816.6 °C14 January 195827.8 °C1,102 mm2990
195740.7 °C15 May 195713.5 °C6 February 195727.7 °C1,535 mm3300
195638.5 °C22 March 195612.1 °C17 January 195627.1 °C1,289 mm3100
195539.5 °C18 April 195511.2 °C12 January 195527.1 °C1,515 mm3160
195438.9 °C17 April 195414.7 °C17 December 195427.6 °C975 mm3290
195336.4 °C19 April 195315.1 °C12 December 195326.3 °C2,584 mm2690
195239.2 °C30 April 195214.1 °C23 January 195227.4 °C1,598 mm3180
195140.3 °C9 April 195114.6 °C2 January 195127.7 °C1,002 mm3180
195039.8 °C23 April 195013.9 °C3 January 195027.3 °C1,326 mm3050
194938.1 °C14 May 194913.7 °C17 January 194927.4 °C945 mm3210
194838.4 °C22 March 194814.0 °C2 January 194827.3 °C1,259 mm3100
194738.3 °C6 March 194715.0 °C21 December 194727.8 °C1,020 mm3370
194640.0 °C12 March 194614.0 °C31 December 194627.1 °C1,252 mm3250
194537.4 °C6 March 194516.0 °C24 December 194527.2 °C1,408 mm3170
194441.0 °C4 May 194414.2 °C21 December 194427.2 °C1,345 mm3090
194337.8 °C5 April 194315.5 °C26 January 194326.7 °C1,406 mm2890
194237.1 °C24 March 194213.8 °C17 December 194226.6 °C1,302 mm2690
194138.7 °C2 March 194118.1 °C25 December 194127.2 °C1,332 mm2650
194038.5 °C10 March 194013.8 °C5 January 194026.8 °C1,517 mm2670

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
33.5 °C
+0.2 °C
Hot days (≥ 30 °C)
336 d/yr
+6
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1529 mm
+252 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan31.7 °C-0.8 °C0 mm-12 mm
Feb35.1 °C+0.7 °C15 mm-9 mm
Mar36.5 °C+0.6 °C34 mm-6 mm
Apr37.1 °C+0.6 °C65 mm-6 mm
May34.4 °C-0.4 °C216 mm+66 mm
Jun34.0 °C+0.5 °C143 mm-21 mm
Jul33.1 °C+0.2 °C206 mm+37 mm
Aug33.4 °C+0.8 °C181 mm-12 mm
Sep32.5 °C+0.5 °C347 mm+81 mm
Oct32.6 °C+0.9 °C149 mm+5 mm
Nov29.8 °C-1.8 °C168 mm+131 mm
Dec31.8 °C+0.5 °C5 mm-3 mm

The year's extremes

Hottest day
39.4 °C
22 Apr 2025
Coldest day
16.1 °C
29 Nov 2025
Wettest day
53.4 mm
7 Sep 2025
Windiest day
30.2 km/h
11 Jan 2025
Strongest gust
69.1 km/h
23 Jul 2025
Hottest feels-like
45.5 °C
23 Apr 2025
Coldest feels-like
13.2 °C
12 Jan 2025
Sunniest day
12.8 h
24 Jun 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 Phra Phutthabat?

Phra Phutthabat has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.1 °C and it receives 1,277 mm of precipitation per year.

What is the hottest day ever recorded in Phra Phutthabat?

The hottest day measured in Phra Phutthabat between 1940 and 2025 was 12 May 1970, reaching 41.9 °C.

What is the coldest day in Phra Phutthabat?

The coldest day measured in Phra Phutthabat between 1940 and 2025 was 12 January 1955, at 11.2 °C.

Does it snow in Phra Phutthabat?

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

Has the climate of Phra Phutthabat warmed?

Yes: Phra Phutthabat warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Phra Phutthabat?

The wettest day measured in Phra Phutthabat between 1940 and 2025 was 5 September 1963, with 192 mm of rain in 24 hours.

What was the windiest day in Phra Phutthabat?

The windiest day measured in Phra Phutthabat between 1940 and 2025 was 23 November 1975, with winds reaching 34.0 km/h.

What is the warmest month in Phra Phutthabat?

The warmest month in Phra Phutthabat is April (30.6 °C on average); the coldest is December (25.7 °C).

How much does it rain in Phra Phutthabat?

Phra Phutthabat receives on average 1,277 mm of precipitation per year, spread over about 170 rainy days.

Is it sunny in Phra Phutthabat?

Phra Phutthabat gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Are there tropical nights in Phra Phutthabat?

Yes: Phra Phutthabat has on average 338 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Phra Phutthabat?

In Phra Phutthabat, between 1940 and 2025, the highest apparent temperature reached 47.8 °C on 18 April 2019, and the lowest was 6.5 °C on 12 January 1955.

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