Uttaradit weather in May

In May, Uttaradit sees average daytime highs of 34°C and overnight lows near 26°C, with 221 mm of rain across 21.2 wet days and about 12.8 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 36°C in the first days to 33°C by the end. The sky is clear or mostly clear about 17% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 36 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Uttaradit's 8th-clearest and 5th-windiest month. For the whole year in context, see Uttaradit's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
26°
12th coldest
Rainfall
221 mm
21.2 wet days
Daylight
12 h 48 min
5:51 AM – 6:41 PM
Cloud cover
73%
8th clearest
Wind
6 km/h
5th windiest
Solar energy
5.28 kWh/m²
Travel score
2.0
out of 10

Uttaradit is town in Uttaradit province, Thailand.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 36°C in the first days to 33°C by the end.

A typical May day in Uttaradit reaches about 34°C in the afternoon and slips back to 26°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 38°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13626
23626
33626
43626
53526
63526
73526
83526
93526
103526
113526
123526
133526
143426
153426
163426
173426
183426
193426
203426
213426
223426
233426
243426
253426
263426
273426
283426
293326
303326
313326

How May really feels in Uttaradit

Once humidity and wind are folded in, May averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Uttaradit weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 17°192.311.15.8
Feb33° / 19°111.311.44.3
Mar36° / 22°324.211.92.6
Apr37° / 25°679.712.41.7
May34° / 26°22121.212.82.0
Jun33° / 25°24625132.2
Jul32° / 25°27326.512.92.5
Aug31° / 25°33128.412.62.4
Sep31° / 25°28926.512.12.5
Oct32° / 24°1251611.63.7
Nov31° / 21°304.511.25.1
Dec30° / 18°142116.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 70%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25545
35347
45149
54951
64753
74654
84357
94258
103961
113862
123664
133367
143268
153070
162872
172674
182575
192377
202278
212179
221981
231981
241684
251684
261486
271486
281288
291288
301090
311090

Chance of precipitation in May

Any precipitation

Uttaradit gets around 221 mm of rain over 21.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 68% and peaks near 80% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
151
253
354
455
556
657
759
860
962
1064
1166
1267
1369
1470
1571
1672
1773
1873
1974
2074
2175
2275
2375
2475
2576
2676
2776
2877
2978
3079
3180

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the miserable band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
1106228
296031
395833
485636
575439
675142
765044
854847
954650
1044452
1144254
1234057
1333958
1433760
1523662
1623464
1723365
1823266
1923167
2023068
2122969
2222870
2322771
2422573
2522474
2622375
2722276
2822177
2912079
3011980
3111881

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 5:58 AM to 5:48 AM, and sunset from 6:36 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:586:36
212.65:576:36
312.75:576:36
412.75:566:37
512.75:566:37
612.75:556:37
712.75:556:38
812.75:546:38
912.75:546:38
1012.85:536:39
1112.85:536:39
1212.85:536:39
1312.85:526:40
1412.85:526:40
1512.85:516:40
1612.85:516:41
1712.85:516:41
1812.85:516:41
1912.95:506:42
2012.95:506:42
2112.95:506:42
2212.95:496:43
2312.95:496:43
2412.95:496:44
2512.95:496:44
2612.95:496:44
2712.95:486:45
2812.95:486:45
2913.05:486:45
3013.05:486:46
3113.05:486:46

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.28 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 6.25 kWh/m² in April across the year — May's 5.28 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.4Bright
125.4Bright
135.3Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
215.1Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for Uttaradit

In seasonPeak

In May, Uttaradit sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Uttaradit's monsoon runs May–September, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Uttaradit?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.0
Sightseeing
11th-best month of the year
4.1
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Uttaradit.

What to pack for Uttaradit in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Uttaradit sees daytime highs around 34°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Uttaradit in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Uttaradit peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 12UV 13Dec 14UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar10Very high
Apr10Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7Very high

Air quality in Uttaradit in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Uttaradit is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 3.1× the cleanest month (June, 21 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorMar 1862 µg/m³Jun 2321 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb49Poor
Mar63Unhealthy
Apr53Poor
May31Moderate
Jun21Moderate
Jul21Moderate
Aug22Moderate
Sep26Moderate
Oct31Moderate
Nov33Moderate
Dec36Poor
Location & terrain

Where is Uttaradit?

Uttaradit sits at 17.6°N, 100.1°E, 68 m above sea level, in Thailand. The nearest listed city is Si Satchanalai, 37 km away.

Topography around Uttaradit

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Uttaradit.

Within 3 km, the terrain around Uttaradit has only modest variations in elevation — a maximum elevation change of 27 m around an average of 65 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 606 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,607 m.

The land around Uttaradit is covered by trees (37%), artificial surfaces (30%) and cropland (27%) within 3 km, cropland (46%) and trees (45%) within 16 km, and trees (66%) and cropland (31%) within 80 km.

3 km
27 m
16 km
606 m
80 km
1,607 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Si Satchanalai 37 km · Den Chai 40 km · Sawankhalok 44 km · Phrae 58 km · Sukhothai 74 km · Ban Na 78 km · Phitsanulok 91 km · Ban Aranyik 91 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
Buddhist 93%Muslim 5%Christian 1%other 1%

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 Uttaradit (17.6256°, 100.0942°, elevation 68 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).