Hà Tiên in Summer
In summer (June, July and August), Hà Tiên sees average daytime highs around 30°C and overnight lows near 26°C, with 602 mm of rain over about 81 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 2% of the time across summer, and the air most often feels miserable.
Summer is Hà Tiên's weakest season of the year to visit on our travel score. Hà Tiên 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 Hà Tiên's year-round climate.
- Avg daytime high
- 30°C
- coldest season of the year
- Avg overnight low
- 26°C
- Rainfall
- 602 mm
- 81 wet days
- Avg wind
- 13 km/h
- Travel score
- 2.8
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Hà Tiên in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Hà Tiên reaches about 30°C and drops to 26°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Hà Tiên
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Hà Tiên weather by month
How the three summer months (June, July and August) 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 | 31° / 23° | 26 | 5.6 | 11.5 | 5.1 |
| Feb | 31° / 24° | 21 | 4.2 | 11.7 | 4.8 |
| Mar | 32° / 25° | 63 | 9.9 | 11.9 | 3.8 |
| Apr | 33° / 27° | 113 | 18.7 | 12.2 | 2.9 |
| May | 32° / 27° | 182 | 26.6 | 12.5 | 2.5 |
| Jun | 31° / 27° | 198 | 26.1 | 12.6 | 2.7 |
| Jul | 30° / 26° | 208 | 27.6 | 12.5 | 2.8 |
| Aug | 30° / 26° | 196 | 27 | 12.3 | 2.9 |
| Sep | 30° / 26° | 239 | 27.1 | 12.1 | 2.8 |
| Oct | 30° / 25° | 284 | 27.1 | 11.8 | 2.8 |
| Nov | 31° / 25° | 115 | 15.1 | 11.5 | 3.9 |
| Dec | 30° / 24° | 48 | 8.2 | 11.4 | 4.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 2% of the time across summer.
Chance of precipitation in Summer
Hà Tiên gets around 602 mm of rain over 81 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 13 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 36 min in early June to 12 h 12 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.6 kWh/m².
Hazard calendar for Hà Tiên
In summer, Hà Tiên overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Hà Tiên sits in the Pacific typhoon belt; the season peaks July–October.
Hà Tiên's rainy season runs May–October, when most of the year's rain falls.
Is summer a good time to visit Hà Tiên?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Hà Tiên.
What to pack for Hà Tiên in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Hà Tiên sees daytime highs around 30°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 81 days see rain.
Sea temperature near Hà Tiên in Summer
The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in May at about 31°C and coldest in January near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 30 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 31 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in Hà Tiên in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Hà Tiên peaks around August 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 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) | 11 | 11 | 12 | 12 | 11 | 12 | 12 | 13 | 13 | 10 | 9 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 10 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Hà Tiên in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Hà Tiên is worst in February — around 33 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (August, 13 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) | 29 | 33 | 28 | 23 | 17 | 14 | 15 | 13 | 14 | 18 | 21 | 21 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 29 | Moderate |
| Feb | 33 | Moderate |
| Mar | 28 | Moderate |
| Apr | 23 | Moderate |
| May | 17 | Moderate |
| Jun | 14 | Moderate |
| Jul | 15 | Moderate |
| Aug | 13 | Moderate |
| Sep | 14 | Moderate |
| Oct | 18 | Moderate |
| Nov | 21 | Moderate |
| Dec | 21 | Moderate |
Where is Hà Tiên?
Hà Tiên sits at 10.4°N, 104.5°E, 8 m above sea level, in Vietnam. The nearest listed city is Kep, 22 km away.
Topography around Hà Tiên
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hà Tiên.
Within 3 km, the terrain around Hà Tiên has only modest variations in elevation — a maximum elevation change of 163 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 163 m; within 80 km, large variations in elevation — a maximum elevation change of 1,080 m.
The land around Hà Tiên is covered by water (37%) within 3 km, water (59%) within 16 km, and water (45%) and cropland (35%) within 80 km.
Vietnam travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / C / F
- 220 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $5,066
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Safe drinking water
- 59%
- of population, 2024
- Homicide rate
- 1.5
- per 100k, 2011
- Road deaths
- 30.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 500
- 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 Hà Tiên (10.3831°, 104.4875°, 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.