Sawankhalok in Spring

In spring (March, April and May), Sawankhalok sees average daytime highs around 38°C and overnight lows near 26°C, with 295 mm of rain over about 32 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 38°C. The sky is clear or mostly clear about 47% of the time across spring, and the air most often feels oppressive.

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

Avg daytime high: 38°C; warmest season of the year
Avg overnight low: 26°C
Rainfall: 295 mm; 32 wet days
Avg wind: 7 km/h
Travel score: 1.2; weakest season of the year
Months: Mar · Apr · May

← Winter Sawankhalok year-round climate Summer →

Spring Summer Fall Winter

Temperature in Sawankhalok in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 38°C.

A typical spring day in Sawankhalok reaches about 38°C and drops to 26°C overnight. The warmest of the three months is April, the coolest March.

How spring really feels in Sawankhalok

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

88 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.

Sawankhalok 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	32° / 19°	16	2.3	11.1	4.9
Feb	35° / 21°	10	1.1	11.4	3.3
Mar	38° / 24°	31	3.7	11.9	1.5
Apr	39° / 27°	63	8.9	12.4	0.7
May	36° / 27°	201	19	12.8	1.4
Jun	35° / 27°	180	20.4	13	1.9
Jul	34° / 27°	184	21.3	12.9	2.2
Aug	33° / 26°	231	22.8	12.6	2.3
Sep	33° / 26°	224	22.7	12.1	2.2
Oct	33° / 25°	131	14.8	11.6	3.1
Nov	33° / 23°	27	4.1	11.2	4.3
Dec	32° / 20°	13	2	11	5.3

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Sawankhalok gets around 295 mm of rain over 32 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 7 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 36 min in early March to 13 hours 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 Sawankhalok

In seasonPeak

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

Sawankhalok'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 Sawankhalok?

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.

1.2

Sightseeing

4th-best month of the year

3.9

Beach & pool

4th-best month of the year

spring is a weaker month for outdoor sightseeing in Sawankhalok.

What to pack for Sawankhalok in Spring

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

In spring, Sawankhalok sees daytime highs around 38°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 32 days see rain.

light clothesrain gearsun protection

UV index in Sawankhalok 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 Sawankhalok peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 7 (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)	8	10	10	10	12	13	13	13	11	10	8	7
Level	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high

	UV index (midday)	Level
Jan	8	Very high
Feb	10	Very high
Mar	10	Extreme
Apr	10	Extreme
May	12	Extreme
Jun	13	Extreme
Jul	13	Extreme
Aug	13	Extreme
Sep	11	Extreme
Oct	10	Very high
Nov	8	Very high
Dec	7	Very high

Air quality in Sawankhalok 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 Sawankhalok is worst in March — around 58 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (June, 21 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)	43	50	58	47	29	21	22	23	26	31	33	37
Level	Poor	Poor	Unhealthy	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor

	PM2.5 (µg/m³)	Level
Jan	43	Poor
Feb	50	Poor
Mar	58	Unhealthy
Apr	47	Poor
May	29	Moderate
Jun	21	Moderate
Jul	22	Moderate
Aug	23	Moderate
Sep	26	Moderate
Oct	31	Moderate
Nov	33	Moderate
Dec	37	Poor

Location & terrain

Where is Sawankhalok?

Sawankhalok sits at 17.3°N, 99.8°E, 67 m above sea level, in Thailand. The nearest listed city is Si Satchanalai, 24 km away.

Topography around Sawankhalok

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

Within 3 km, the terrain around Sawankhalok has only modest variations in elevation — a maximum elevation change of 27 m around an average of 61 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 253 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,205 m.

The land around Sawankhalok is covered by cropland (51%) and trees (32%) within 3 km, cropland (74%) and trees (22%) within 16 km, and trees (53%) and cropland (44%) within 80 km.

3 km

27 m

cropland 51%

16 km

253 m

cropland 74%

80 km

1,205 m

trees 53%

treesgrasslandcroplandartificial surfaceswater

← Winter Sawankhalok year-round climate Summer →

Spring weather nearby: Si Satchanalai 24 km · Sukhothai 34 km · Ban Na 35 km · Uttaradit 44 km · Bang Rakam 69 km · Phitsanulok 71 km · Ban Aranyik 73 km · Thoen 73 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 Sawankhalok (17.316°, 99.8319°, elevation 67 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.