Gia Lâm in Winter
In winter (December, January and February), Gia Lâm sees average daytime highs around 21°C and overnight lows near 15°C, with 93 mm of rain over about 20 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 21°C. The sky is clear or mostly clear about 17% of the time across winter, and the air most often feels dry.
Winter is Gia Lâm's best season of the year to visit on our travel score. For the whole year in context, see Gia Lâm's year-round climate.
- Avg daytime high
- 21°C
- coldest season of the year
- Avg overnight low
- 15°C
- Rainfall
- 93 mm
- 20 wet days
- Avg wind
- 9 km/h
- Travel score
- 6.7
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Gia Lâm in Winter
Across winter, daytime highs hold fairly steady around 21°C.
A typical winter day in Gia Lâm reaches about 21°C and drops to 15°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Gia Lâm
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Gia Lâm weather by month
How the three winter months (December, January and February) 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 | 20° / 15° | 37 | 7.5 | 10.9 | 6.3 |
| Feb | 22° / 16° | 25 | 6.8 | 11.3 | 6.6 |
| Mar | 24° / 19° | 50 | 10 | 11.9 | 6.5 |
| Apr | 28° / 22° | 87 | 10.9 | 12.5 | 5.3 |
| May | 32° / 25° | 232 | 18.2 | 13 | 3.3 |
| Jun | 33° / 27° | 242 | 19.1 | 13.3 | 2.4 |
| Jul | 33° / 27° | 280 | 21.4 | 13.1 | 2.3 |
| Aug | 32° / 26° | 350 | 24.5 | 12.7 | 2.4 |
| Sep | 32° / 25° | 248 | 19.7 | 12.1 | 3.2 |
| Oct | 29° / 23° | 125 | 12.5 | 11.5 | 5.1 |
| Nov | 26° / 19° | 59 | 7.2 | 11 | 7.0 |
| Dec | 22° / 16° | 31 | 6 | 10.7 | 7.1 |
Cloud cover in Winter
The sky is clear or mostly clear about 17% of the time across winter.
Chance of precipitation in Winter
Gia Lâm gets around 93 mm of rain over 20 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 9 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 48 min in early December to 11 h 30 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.4 kWh/m².
Hazard calendar for Gia Lâm
None of Gia Lâm's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Gia Lâm's monsoon runs May–September, when most of the year's rain falls.
Is winter a good time to visit Gia Lâm?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Gia Lâm for sightseeing.
What to pack for Gia Lâm in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Gia Lâm sees daytime highs around 21°C and nights near 15°C. Worth packing: light clothes. About 20 days see rain.
UV index in Gia Lâm in Winter
Clear-sky midday UV across winter averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Gia Lâm peaks around June 20 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 6 (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) | 6 | 7 | 9 | 6 | 8 | 11 | 10 | 9 | 8 | 8 | 6 | 6 |
| Level | High | Very high | Very high | High | Very high | Extreme | Extreme | Very high | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 7 | Very high |
| Mar | 9 | Very high |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 6 | High |
Air quality in Gia Lâm in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Gia Lâm is worst in December — around 171 µg/m³ PM2.5 (very unhealthy), about 3.4× the cleanest month (July, 50 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) | 161 | 136 | 122 | 106 | 76 | 59 | 50 | 68 | 96 | 125 | 152 | 171 |
| Level | Very unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Unhealthy | Unhealthy | Unhealthy | Very unhealthy | Very unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 161 | Very unhealthy |
| Feb | 136 | Unhealthy |
| Mar | 122 | Unhealthy |
| Apr | 106 | Unhealthy |
| May | 76 | Unhealthy |
| Jun | 59 | Unhealthy |
| Jul | 50 | Poor |
| Aug | 68 | Unhealthy |
| Sep | 96 | Unhealthy |
| Oct | 125 | Unhealthy |
| Nov | 152 | Very unhealthy |
| Dec | 171 | Very unhealthy |
Where is Gia Lâm?
Gia Lâm sits at 21.0°N, 105.9°E, 13 m above sea level, in Vietnam. The nearest listed city is Trâu Quỳ, 0.0 km away.
Topography around Gia Lâm
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Gia Lâm.
Within 3 km, the terrain around Gia Lâm has only modest variations in elevation — a maximum elevation change of 15 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 121 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,697 m.
The land around Gia Lâm is covered by artificial surfaces (38%) and trees (33%) within 3 km, artificial surfaces (34%), cropland (28%) and trees (26%) within 16 km, and trees (50%) 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 Gia Lâm (21.02°, 105.939°, elevation 13 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.