Si Maha Phot in Spring

In spring (March, April and May), Si Maha Phot sees average daytime highs around 34°C and overnight lows near 25°C, with 321 mm of rain over about 46 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 34°C. The sky is clear or mostly clear about 30% of the time across spring, and the air most often feels miserable.

Spring is Si Maha Phot's 3rd-best season to visit on our travel score. For the whole year in context, see Si Maha Phot's year-round climate.

Avg daytime high: 34°C; warmest season of the year
Avg overnight low: 25°C
Rainfall: 321 mm; 46 wet days
Avg wind: 6 km/h
Travel score: 2.5; 3rd-best season
Months: Mar · Apr · May

← Winter Si Maha Phot year-round climate Summer →

Spring Summer Fall Winter

Temperature in Si Maha Phot in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 34°C.

A typical spring day in Si Maha Phot reaches about 34°C and drops to 25°C overnight. The warmest of the three months is April, the coolest March.

How spring really feels in Si Maha Phot

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

82 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.

Si Maha Phot 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° / 21°	10	2.2	11.3	5.1
Feb	33° / 22°	13	3	11.5	4.2
Mar	34° / 24°	41	8.5	11.9	3.1
Apr	35° / 26°	70	13.3	12.3	2.3
May	34° / 26°	209	24	12.6	2.1
Jun	32° / 25°	267	26.5	12.8	2.2
Jul	32° / 25°	281	27.6	12.7	2.3
Aug	32° / 25°	300	28.2	12.5	2.3
Sep	31° / 25°	308	27.3	12.1	2.4
Oct	32° / 24°	148	18.8	11.7	3.4
Nov	32° / 23°	24	4.3	11.4	4.7
Dec	31° / 21°	5	1.2	11.2	5.5

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Si Maha Phot gets around 321 mm of rain over 46 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

Wind in Spring

Winds average 6 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 5.7 kWh/m².

Planning a trip in spring

Hazard calendar for Si Maha Phot

In seasonPeak

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

Si Maha Phot'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 Si Maha Phot?

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.

2.5

Sightseeing

3rd-best month of the year

5.1

Beach & pool

3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Si Maha Phot.

What to pack for Si Maha Phot in Spring

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

In spring, Si Maha Phot sees daytime highs around 34°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 46 days see rain.

light clothesrain gearsun protection

UV index in Si Maha Phot 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 Si Maha Phot peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (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	12	11	12	13	13	12	11	9	9
Level	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

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

Air quality in Si Maha Phot 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 Si Maha Phot is worst in February — around 60 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (December, 34 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)	53	60	56	48	40	35	35	36	40	41	36	34
Level	Poor	Unhealthy	Unhealthy	Poor	Poor	Moderate	Poor	Poor	Poor	Poor	Poor	Moderate

	PM2.5 (µg/m³)	Level
Jan	53	Poor
Feb	60	Unhealthy
Mar	56	Unhealthy
Apr	48	Poor
May	40	Poor
Jun	35	Moderate
Jul	35	Poor
Aug	36	Poor
Sep	40	Poor
Oct	41	Poor
Nov	36	Poor
Dec	34	Moderate

Location & terrain

Where is Si Maha Phot?

Si Maha Phot sits at 14.0°N, 101.5°E, 11 m above sea level, in Thailand. The nearest listed city is Prachantakham, 11 km away.

Topography around Si Maha Phot

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

Within 3 km, the terrain around Si Maha Phot has only modest variations in elevation — a maximum elevation change of 21 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 44 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,362 m.

The land around Si Maha Phot is covered by cropland (42%) and trees (39%) within 3 km, cropland (44%) and trees (36%) within 16 km, and trees (59%) and cropland (30%) within 80 km.

3 km

21 m

cropland 42%

16 km

44 m

cropland 44%

80 km

1,362 m

trees 59%

treesgrasslandcroplandartificial surfacesbare terrainwater

← Winter Si Maha Phot year-round climate Summer →

Spring weather nearby: Prachantakham 11 km · Si Mahosot 15 km · Prachin Buri Town 18 km · Prachin Buri 18 km · Thambon Na Mueang 18 km · Ban Phra 20 km · Kabin Buri 22 km · Phanom Sarakham 30 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 Si Maha Phot (13.9656°, 101.5135°, elevation 11 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.