Kalasin weather in April

In April, Kalasin sees average daytime highs of 36°C and overnight lows near 26°C, with 69 mm of rain across 11 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 39% 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 Kalasin's 6th-clearest and 10th-windiest month. For the whole year in context, see Kalasin's year-round climate.

Daytime high
36°
1st warmest
Overnight low
26°
9th coldest
Rainfall
69 mm
11 wet days
Daylight
12 h 24 min
5:55 AM – 6:17 PM
Cloud cover
53%
6th clearest
Wind
8 km/h
10th windiest
Solar energy
6.09 kWh/m²
Travel score
2.2
out of 10

Kalasin is থাইল্যান্ডের কালাসিন প্রদেশের শহর.

Density
3,249/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 Kalasin 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
43525
53525
63525
73525
83525
93625
103625
113625
123625
133626
143626
153626
163626
173626
183626
193626
203626
213626
223626
233626
243626
253626
263626
273526
283526
293526
303526

How April really feels in Kalasin

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
27 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.

Kalasin 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
Jan30° / 18°61.711.16.2
Feb32° / 20°112.311.44.9
Mar35° / 23°376.311.93.1
Apr36° / 26°691112.42.2
May34° / 26°18320.712.82.1
Jun33° / 26°16720.7132.3
Jul32° / 26°20622.712.92.6
Aug32° / 25°25025.212.62.5
Sep31° / 25°24623.612.12.8
Oct31° / 24°10412.311.64.2
Nov31° / 21°223.211.25.5
Dec30° / 19°51.1116.6

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 (%)
16832
26832
36832
46832
56832
66733
76733
86733
96733
106733
116634
126634
136634
146535
156535
166337
176337
186238
196139
206139
216040
225941
235842
245743
255743
265644
275545
285446
295347
305149

Chance of precipitation in April

Any precipitation

Kalasin gets around 69 mm of rain over 11 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 (%)
130
230
329
429
529
630
730
830
931
1031
1131
1232
1333
1433
1534
1635
1737
1838
1939
2041
2142
2243
2345
2446
2547
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 69% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12731591
22630611
32630611
42629621
52628631
62527651
72527651
82526652
92525662
102525653
112524663
121523683
131422694
141421704
151420705
161419715
171318726
181318726
191317727
200316738
210215758
220215749
2302147410
2402137411
2502127313
2601127314
2701117216
2801107217
2901107019
300197020

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
119calm
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 6:15 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:066:15
212.26:066:15
312.26:056:15
412.26:046:15
512.26:036:15
612.26:036:16
712.26:026:16
812.26:016:16
912.36:006:16
1012.35:596:16
1112.35:596:16
1212.35:586:17
1312.35:576:17
1412.35:576:17
1512.45:566:17
1612.45:556:17
1712.45:546:17
1812.45:546:18
1912.45:536:18
2012.45:526:18
2112.45:526:18
2212.55:516:19
2312.55:506:19
2412.55:506:19
2512.55:496:19
2612.55:496:19
2712.55:486:20
2812.55:476:20
2912.65:476:20
3012.65:466:20

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.09 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 6.09 kWh/m² in April across the year — April's 6.09 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Bright
286.0Bright
295.9Bright
305.9Bright
Planning a trip in April

Hazard calendar for Kalasin

In seasonPeak

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

Kalasin'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 Kalasin?

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

2.2
Sightseeing
11th-best month of the year
5.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Kalasin.

What to pack for Kalasin in April

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

In April, Kalasin 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 Kalasin 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 Kalasin peaks around August 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 10UV 13Dec 12UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr10Very high
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Kalasin 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 Kalasin is worst in March — around 52 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (December, 22 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1751 µg/m³Dec 1022 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb39Poor
Mar52Poor
Apr41Poor
May30Moderate
Jun23Moderate
Jul24Moderate
Aug25Moderate
Sep27Moderate
Oct27Moderate
Nov22Moderate
Dec22Moderate
Location & terrain

Where is Kalasin?

Kalasin sits at 16.4°N, 103.5°E, 152 m above sea level, in Thailand. The nearest listed city is Kamalasai, 13 km away.

Topography around Kalasin

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

Within 3 km, the terrain around Kalasin has only modest variations in elevation — a maximum elevation change of 23 m around an average of 144 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 89 m; within 80 km, significant variations in elevation — a maximum elevation change of 528 m.

The land around Kalasin is covered by trees (36%), cropland (32%) and artificial surfaces (25%) within 3 km, cropland (68%) and trees (22%) within 16 km, and cropland (73%) and trees (22%) within 80 km.

3 km
23 m
16 km
89 m
80 km
528 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Kamalasai 13 km · Nong Kung Si 33 km · Maha Sarakham 35 km · Roi Et 45 km · Kuchinarai 59 km · Ban Selaphum 66 km · Khao Wong 69 km · Khon Kaen 72 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 Kalasin (16.4328°, 103.5066°, elevation 152 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).