Roi Et weather in April

In April, Roi Et sees average daytime highs of 36°C and overnight lows near 26°C, with 66 mm of rain across 11.3 wet days and about 12.4 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 36°C through the month. The sky is clear or mostly clear about 38% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 36 min by month's end. Set against the rest of the year, April is Roi Et's 6th-clearest and 10th-windiest month. For the whole year in context, see Roi Et's year-round climate.

Daytime high
36°
1st warmest
Overnight low
26°
9th coldest
Rainfall
66 mm
11.3 wet days
Daylight
12 h 24 min
5:55 AM – 6:16 PM
Cloud cover
53%
6th clearest
Wind
8 km/h
10th windiest
Solar energy
6.16 kWh/m²
Travel score
2.1
out of 10

Roi Et is town in Roi Et province, Thailand.

Density
3,382/km²
people per km²
Founded
1937

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 36°C through the month.

A typical April day in Roi Et reaches about 36°C in the afternoon and slips back to 26°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 39°C. Set against its neighbours, April runs about 1°C warmer than March and about 1°C warmer than May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13525
23525
33525
43625
53625
63625
73625
83625
93625
103626
113626
123626
133626
143626
153626
163626
173626
183626
193626
203626
213626
223626
233626
243626
253626
263626
273626
283626
293626
303526

How April really feels in Roi Et

Once humidity and wind are folded in, April averages 30 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
30
29 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Roi Et weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 18°61.611.25.9
Feb33° / 20°112.111.54.6
Mar35° / 24°376.511.92.9
Apr36° / 26°6611.312.42.1
May34° / 26°18021.312.72.0
Jun33° / 26°16921.212.92.2
Jul33° / 26°20723.512.92.4
Aug32° / 25°24025.212.52.5
Sep32° / 25°25324.512.12.7
Oct31° / 24°10912.511.64.0
Nov31° / 22°243.511.35.2
Dec30° / 19°51.211.16.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 24% of April, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16733
26733
36733
46733
56733
66733
76634
86634
96535
106535
116535
126436
136436
146436
156436
166337
176238
186238
196139
206139
216040
225941
235842
245842
255743
265545
275446
285347
295149
304951

Chance of precipitation in April

Any precipitation

Roi Et gets around 66 mm of rain over 11.3 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
131
231
331
431
531
631
731
831
932
1032
1132
1233
1333
1434
1535
1636
1737
1838
1939
2041
2142
2244
2345
2446
2548
2649
2750
2851
2952
3053

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12831581
22730592
32729602
42629612
52628622
62628613
71627633
81527634
91527634
101526635
111526635
121425646
131424656
141424647
151423657
161322677
171321678
180320698
190319699
200218719
2102177110
2202177110
2302167111
2402157112
2502147113
2601137115
2701127116
2801117018
2901107019
3001106821

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over April. Sunrise moves from 6:06 AM to 5:46 AM, and sunset from 6:14 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:066:14
212.26:056:14
312.26:046:14
412.26:046:15
512.26:036:15
612.26:026:15
712.26:016:15
812.26:016:15
912.36:006:15
1012.35:596:15
1112.35:586:16
1212.35:586:16
1312.35:576:16
1412.35:566:16
1512.35:556:16
1612.45:556:16
1712.45:546:17
1812.45:536:17
1912.45:536:17
2012.45:526:17
2112.45:516:17
2212.45:516:18
2312.55:506:18
2412.55:506:18
2512.55:496:18
2612.55:486:18
2712.55:486:19
2812.55:476:19
2912.55:476:19
3012.65:466:19

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.16 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 6.16 kWh/m² in April across the year — April's 6.16 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.0Intense
296.0Intense
306.0Intense
Planning a trip in April

Hazard calendar for Roi Et

In seasonPeak

None of Roi Et's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Roi Et'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 April a good time to visit Roi Et?

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

2.1
Sightseeing
11th-best month of the year
4.8
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Roi Et.

What to pack for Roi Et in April

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

In April, Roi Et sees daytime highs around 36°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Roi Et in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Roi Et peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 10 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 11UV 13Dec 10UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr10Very high
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Roi Et in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Roi Et is worst in March — around 52 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (December, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1751 µg/m³Dec 1320 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb40Poor
Mar52Poor
Apr41Poor
May30Moderate
Jun22Moderate
Jul24Moderate
Aug25Moderate
Sep28Moderate
Oct28Moderate
Nov23Moderate
Dec20Moderate
Location & terrain

Where is Roi Et?

Roi Et sits at 16.1°N, 103.7°E, 148 m above sea level, in Thailand. The nearest listed city is Ban Selaphum, 32 km away.

Topography around Roi Et

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

Within 3 km, the terrain around Roi Et has only modest variations in elevation — a maximum elevation change of 30 m around an average of 147 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 61 m; within 80 km, significant variations in elevation — a maximum elevation change of 385 m.

The land around Roi Et is covered by artificial surfaces (41%) and trees (34%) within 3 km, cropland (76%) within 16 km, and cropland (79%) within 80 km.

3 km
30 m
16 km
61 m
80 km
385 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Ban Selaphum 32 km · Kamalasai 32 km · Maha Sarakham 40 km · Kalasin 45 km · Kaset Wisai 45 km · Yasothon 60 km · Kuchinarai 69 km · Nong Kung Si 76 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 Roi Et (16.0567°, 103.6531°, elevation 148 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).