Beidou in Summer
In summer (June, July and August), Beidou sees average daytime highs around 31°C and overnight lows near 25°C, with 1113 mm of rain over about 67 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 7% of the time across summer, and the air most often feels miserable.
Summer is Beidou's weakest season of the year to visit on our travel score. For the whole year in context, see Beidou's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 1113 mm
- 67 wet days
- Avg wind
- 7 km/h
- Travel score
- 3.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Beidou in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in Beidou reaches about 31°C and drops to 25°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Beidou
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.
Beidou 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 | 21° / 13° | 56 | 9.8 | 10.7 | 6.8 |
| Feb | 22° / 14° | 66 | 11.2 | 11.2 | 6.5 |
| Mar | 24° / 16° | 98 | 12.7 | 11.8 | 6.6 |
| Apr | 27° / 20° | 147 | 14.9 | 12.5 | 5.7 |
| May | 29° / 22° | 245 | 19.2 | 13.1 | 4.2 |
| Jun | 31° / 24° | 313 | 21.3 | 13.4 | 3.2 |
| Jul | 31° / 25° | 359 | 21.9 | 13.3 | 3.0 |
| Aug | 31° / 25° | 441 | 23.9 | 12.8 | 3.0 |
| Sep | 30° / 24° | 267 | 17.9 | 12.1 | 3.9 |
| Oct | 29° / 22° | 120 | 11 | 11.4 | 5.8 |
| Nov | 26° / 19° | 60 | 8.3 | 10.8 | 7.2 |
| Dec | 23° / 15° | 61 | 8.9 | 10.6 | 7.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 7% of the time across summer.
Chance of precipitation in Summer
Beidou gets around 1113 mm of rain over 67 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 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 24 min in early June to 12 h 30 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 5.1 kWh/m².
Hazard calendar for Beidou
In summer, Beidou overlaps its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.
Beidou sits in the Pacific typhoon belt; the season peaks July–October.
Beidou's monsoon runs May–September, when most of the year's rain falls.
Is summer a good time to visit Beidou?
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 Beidou.
What to pack for Beidou in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Beidou sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 67 days see rain.
Sea temperature near Beidou in Summer
The nearest coast averages about 28°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 32 km away) is warmest in August at about 29°C and coldest in January near 19°C.
It's comfortable for a long swim from Feb 21 to Jan 4 — about 10.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 20 | 22 | 24 | 26 | 28 | 28 | 29 | 28 | 26 | 24 | 21 |
| Comfort | Cool | Cool | Refreshing | Warm | Warm | Warm | Tropical | Tropical | Warm | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 20 | Cool |
| Mar | 22 | Refreshing |
| Apr | 24 | Warm |
| May | 26 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 28 | Warm |
| Oct | 26 | Warm |
| Nov | 24 | Warm |
| Dec | 21 | Refreshing |
UV index in Beidou in Summer
Clear-sky midday UV across summer 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 Beidou peaks around June 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 5 (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 | 8 | 9 | 8 | 10 | 12 | 11 | 11 | 9 | 7 | 7 | 5 |
| Level | High | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 9 | Very high |
| Apr | 8 | Very high |
| May | 10 | Very high |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 7 | Very high |
| Nov | 7 | High |
| Dec | 5 | High |
Air quality in Beidou 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 Beidou is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (July, 33 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) | 45 | 48 | 56 | 50 | 41 | 34 | 33 | 36 | 41 | 38 | 41 | 39 |
| Level | Poor | Poor | Unhealthy | Poor | Poor | Moderate | Moderate | Poor | Poor | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 45 | Poor |
| Feb | 48 | Poor |
| Mar | 56 | Unhealthy |
| Apr | 50 | Poor |
| May | 41 | Poor |
| Jun | 34 | Moderate |
| Jul | 33 | Moderate |
| Aug | 36 | Poor |
| Sep | 41 | Poor |
| Oct | 38 | Poor |
| Nov | 41 | Poor |
| Dec | 39 | Poor |
Where is Beidou?
Beidou sits at 23.9°N, 120.5°E, 39 m above sea level, in Taiwan. The nearest listed city is Tianwei, 2.0 km away.
Topography around Beidou
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Beidou.
Within 3 km, the terrain around Beidou has only modest variations in elevation — a maximum elevation change of 20 m around an average of 34 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 438 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,887 m.
The land around Beidou is covered by cropland (36%), artificial surfaces (33%) and trees (29%) within 3 km, cropland (44%), trees (27%) and artificial surfaces (21%) within 16 km, and trees (49%) and water (30%) within 80 km.
Taiwan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 110 / 220 V · 60 Hz
- Happiness
- 6.7 / 10
- World Happiness, 2025
- 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 Beidou (23.8729°, 120.5243°, elevation 39 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.