Chai Nat in Spring

In spring (March, April and May), Chai Nat sees average daytime highs around 37°C and overnight lows near 26°C, with 268 mm of rain over about 41 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 36% of the time across spring, and the air most often feels oppressive.

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

Avg daytime high: 37°C; warmest season of the year
Avg overnight low: 26°C
Rainfall: 268 mm; 41 wet days
Avg wind: 8 km/h
Travel score: 1.4; weakest season of the year
Months: Mar · Apr · May

← Winter Chai Nat year-round climate Summer →

Spring Summer Fall Winter

Temperature in Chai Nat 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 Chai Nat reaches about 37°C and drops to 26°C overnight. The warmest of the three months is April, the coolest March.

How spring really feels in Chai Nat

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.

Chai Nat 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° / 21°	10	2.2	11.2	4.6
Feb	35° / 23°	12	2.1	11.5	3.2
Mar	37° / 25°	39	6.6	11.9	1.8
Apr	38° / 27°	78	12.8	12.3	1.1
May	36° / 27°	151	21.7	12.7	1.3
Jun	36° / 27°	124	22.1	12.9	1.5
Jul	35° / 27°	137	22.9	12.8	1.7
Aug	34° / 26°	179	24.1	12.5	1.9
Sep	33° / 26°	260	25.5	12.1	2.0
Oct	32° / 25°	179	18.8	11.7	3.0
Nov	32° / 23°	32	5.2	11.3	4.4
Dec	32° / 21°	9	1.7	11.1	5.2

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Chai Nat gets around 268 mm of rain over 41 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 8 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 Chai Nat

In seasonPeak

In spring, Chai Nat overlaps its monsoon season. The full year is below, with each hazard's peak months called out.

Chai Nat's monsoon runs May–October, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is spring a good time to visit Chai Nat?

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.

1.4

Sightseeing

4th-best month of the year

3.9

Beach & pool

3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Chai Nat.

What to pack for Chai Nat in Spring

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

In spring, Chai Nat sees daytime highs around 37°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 41 days see rain.

light clothesrain gearsun protection

UV index in Chai Nat 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 Chai Nat peaks around August 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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	10	12	11	11	12	13	14	12	10	8	8
Level	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	9	Very high
Feb	10	Very high
Mar	12	Extreme
Apr	11	Extreme
May	11	Extreme
Jun	12	Extreme
Jul	13	Extreme
Aug	14	Extreme
Sep	12	Extreme
Oct	10	Extreme
Nov	8	Very high
Dec	8	Very high

Air quality in Chai Nat 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 Chai Nat is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (June, 17 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)	39	48	56	40	26	17	18	19	22	28	28	30
Level	Poor	Poor	Unhealthy	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	39	Poor
Feb	48	Poor
Mar	56	Unhealthy
Apr	40	Poor
May	26	Moderate
Jun	17	Moderate
Jul	18	Moderate
Aug	19	Moderate
Sep	22	Moderate
Oct	28	Moderate
Nov	28	Moderate
Dec	30	Moderate

Location & terrain

Where is Chai Nat?

Chai Nat sits at 15.2°N, 100.1°E, 26 m above sea level, in Thailand. The nearest listed city is Uthai Thani, 24 km away.

Topography around Chai Nat

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

Within 3 km, the terrain around Chai Nat has only modest variations in elevation — a maximum elevation change of 107 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 233 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,204 m.

The land around Chai Nat is covered by cropland (36%) and trees (35%) within 3 km, cropland (74%) within 16 km, and cropland (79%) within 80 km.

3 km

107 m

cropland 36%

16 km

233 m

cropland 74%

80 km

1,204 m

cropland 79%

treesgrasslandcroplandartificial surfaceswaterwetland

← Winter Chai Nat year-round climate Summer →

Spring weather nearby: Uthai Thani 24 km · Bang Racham 39 km · Thap Than 39 km · Sing Buri 45 km · Nakhon Sawan 58 km · Wiset Chaichan 70 km · Lop Buri 71 km · Lat Yao 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

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 Chai Nat (15.1864°, 100.1235°, elevation 26 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.