Wiset Chaichan in Spring

In spring (March, April and May), Wiset Chaichan sees average daytime highs around 37°C and overnight lows near 27°C, with 282 mm of rain over about 42 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.

Across spring, daytime highs hold fairly steady around 37°C. The sky is clear or mostly clear about 33% of the time across spring, and the air most often feels oppressive.

Spring is Wiset Chaichan's weakest season of the year to visit on our travel score. For the whole year in context, see Wiset Chaichan's year-round climate.

Avg daytime high: 37°C; warmest season of the year
Avg overnight low: 27°C
Rainfall: 282 mm; 42 wet days
Avg wind: 9 km/h
Travel score: 1.6; weakest season of the year
Months: Mar · Apr · May

← Winter Wiset Chaichan year-round climate Summer →

Spring Summer Fall Winter

Temperature in Wiset Chaichan in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 37°C.

A typical spring day in Wiset Chaichan reaches about 37°C and drops to 27°C overnight. The warmest of the three months is April, the coolest March.

How spring really feels in Wiset Chaichan

Once humidity and wind are folded in, spring brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C

92 feel dangerously hot (≥ 39°C)

Days feeling ≤ 0°C

wind chill below the day's low

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

Wiset Chaichan weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	33° / 22°	13	2.8	11.2	4.2
Feb	35° / 24°	14	3.2	11.5	3.2
Mar	36° / 26°	43	7.5	11.9	2.1
Apr	37° / 27°	84	13.7	12.3	1.3
May	36° / 27°	154	21.1	12.7	1.4
Jun	35° / 27°	129	21.6	12.8	1.6
Jul	34° / 27°	134	22.6	12.8	1.9
Aug	34° / 26°	157	22.9	12.5	1.9
Sep	33° / 26°	253	25.2	12.1	2.0
Oct	33° / 25°	168	19.3	11.7	2.8
Nov	33° / 24°	35	5.9	11.3	3.8
Dec	32° / 22°	10	1.7	11.2	4.6

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Wiset Chaichan gets around 282 mm of rain over 42 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

Wind in Spring

Winds average 9 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 42 min in early March to 12 h 48 min by late May. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 6.0 kWh/m².

Planning a trip in spring

Hazard calendar for Wiset Chaichan

In seasonPeak

In spring, Wiset Chaichan overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Wiset Chaichan's rainy season runs May–October, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is spring a good time to visit Wiset Chaichan?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

1.6

Sightseeing

4th-best month of the year

4.1

Beach & pool

3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Wiset Chaichan.

What to pack for Wiset Chaichan in Spring

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

In spring, Wiset Chaichan sees daytime highs around 37°C and nights near 27°C. Pack light clothes, rain gear and sun protection. About 42 days see rain.

light clothesrain gearsun protection

UV index in Wiset Chaichan in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Wiset Chaichan peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 8 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	9	9	12	11	11	12	12	13	12	10	8	8
Level	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high

	UV index (midday)	Level
Jan	9	Very high
Feb	9	Very high
Mar	12	Extreme
Apr	11	Extreme
May	11	Extreme
Jun	12	Extreme
Jul	12	Extreme
Aug	13	Extreme
Sep	12	Extreme
Oct	10	Very high
Nov	8	Very high
Dec	8	Very high

Air quality in Wiset Chaichan in Spring

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Wiset Chaichan is worst in January — around 83 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (July, 43 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	83	81	70	64	54	44	43	43	54	66	67	66
Level	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Poor	Poor	Poor	Poor	Poor	Unhealthy	Unhealthy	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	83	Unhealthy
Feb	81	Unhealthy
Mar	70	Unhealthy
Apr	64	Unhealthy
May	54	Poor
Jun	44	Poor
Jul	43	Poor
Aug	43	Poor
Sep	54	Poor
Oct	66	Unhealthy
Nov	67	Unhealthy
Dec	66	Unhealthy

Location & terrain

Where is Wiset Chaichan?

Wiset Chaichan sits at 14.6°N, 100.3°E, 12 m above sea level, in Thailand. The nearest listed city is Phak Hai, 16 km away.

Topography around Wiset Chaichan

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

Within 3 km, the terrain around Wiset Chaichan has only modest variations in elevation — a maximum elevation change of 14 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 27 m; within 80 km, large variations in elevation — a maximum elevation change of 636 m.

The land around Wiset Chaichan is covered by cropland (57%) and trees (24%) within 3 km, cropland (66%) within 16 km, and cropland (71%) within 80 km.

3 km

14 m

cropland 57%

16 km

27 m

cropland 66%

80 km

636 m

cropland 71%

treesgrasslandcroplandartificial surfacesbare terrainwater

← Winter Wiset Chaichan year-round climate Summer →

Spring weather nearby: Phak Hai 16 km · Suphan Buri 27 km · Bang Ban 29 km · Nakhon Luang 33 km · Bang Racham 33 km · Sing Buri 33 km · Ayutthaya 37 km · Lop Buri 41 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

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 Wiset Chaichan (14.5952°, 100.3381°, elevation 12 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.