Chumphon in Spring

In spring (March, April and May), Chumphon sees average daytime highs around 29°C and overnight lows near 27°C, with 295 mm of rain over about 45 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 29°C. The sky is clear or mostly clear about 32% of the time across spring, and the air most often feels miserable.

Spring is Chumphon's 2nd-best season to visit on our travel score. Chumphon has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Chumphon's year-round climate.

Avg daytime high
29°C
warmest season of the year
Avg overnight low
27°C
Rainfall
295 mm
45 wet days
Avg wind
13 km/h
Travel score
4.8
2nd-best season
Months
Mar · Apr · May

Temperature in Chumphon in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 29°C.

A typical spring day in Chumphon reaches about 29°C and drops to 27°C overnight. The warmest of the three months is April, the coolest March.

20°25°30°35°MarAprMay

How spring really feels in Chumphon

Once humidity and wind are folded in, spring brings about 83 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
83
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Chumphon 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°688.511.56.9
Feb28° / 25°326.511.77.0
Mar29° / 26°849.711.95.9
Apr30° / 27°8713.212.24.8
May30° / 27°12421.712.53.7
Jun29° / 26°11220.312.63.8
Jul29° / 26°12021.312.63.9
Aug29° / 26°12921.812.33.9
Sep28° / 26°16023.812.13.7
Oct28° / 25°24325.111.84.1
Nov28° / 26°19817.211.55.2
Dec27° / 25°948.811.46.6

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time across spring.

0%25%50%75%100%MarAprMay

Chance of precipitation in Spring

Any precipitation

Chumphon gets around 295 mm of rain over 45 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%MarAprMay

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.

0%25%50%75%100%MarAprMay

Wind in Spring

Winds average 13 km/h across spring.

05101520MarAprMay

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 48 min in early March to 12 h 36 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

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.

0246MarAprMay
Planning a trip in spring

Hazard calendar for Chumphon

In seasonPeak

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

Chumphon sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Chumphon's rainy season runs May–November, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is spring a good time to visit Chumphon?

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.

4.8
Sightseeing
2nd-best month of the year
6.2
Beach & pool
2nd-best month of the year

spring is a reasonable time to visit Chumphon for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chumphon in Spring

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

In spring, Chumphon sees daytime highs around 29°C and nights near 27°C. Pack light clothes, rain gear and sun protection. About 45 days see rain.

light clothesrain gearsun protection

Sea temperature near Chumphon in Spring

The nearest coast averages about 30°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 km away) is warmest in May at about 30°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Chumphon in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chumphon peaks around August 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 20UV 14Jan 1UV 9
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Chumphon 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 Chumphon is worst in March — around 21 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (September, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1421 µg/m³Sep 1412 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar21Moderate
Apr20Moderate
May15Moderate
Jun13Moderate
Jul14Moderate
Aug12Good
Sep12Good
Oct12Good
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Chumphon?

Chumphon sits at 10.5°N, 99.2°E, 8 m above sea level, in Thailand. The nearest listed city is Lang Suan, 62 km away.

Ko Pha-nganKo SamuiSurat Thani

Topography around Chumphon

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

Within 3 km, the terrain around Chumphon has only modest variations in elevation — a maximum elevation change of 34 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 306 m; within 80 km, large variations in elevation — a maximum elevation change of 1,039 m.

The land around Chumphon is covered by trees (64%) and artificial surfaces (23%) within 3 km, trees (68%) and water (20%) within 16 km, and trees (54%) and water (43%) within 80 km.

3 km
34 m
16 km
306 m
80 km
1,039 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
Spring weather nearby: Lang Suan 62 km · Ranong 84 km · Ko Tao 85 km · Bang Saphan 88 km · Kawthaung 89 km · Ko Pha-ngan 124 km · Ko Samui 135 km · Surat Thani 152 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 Chumphon (10.4957°, 99.1797°, elevation 8 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.