Tuen Mun climate: monthly averages: annual mean temperature 23.5 C; warmest month Jul (28.8 C); coldest month Jan (16.0 C).
Annual mean temperature: 23.5 C
Warmest month: Jul (28.8 C)
Coldest month: Jan (16.0 C)
Wettest month: Jun (9.60 mm/day)
All-time record high: 34.1 C
All-time record low: 3.9 C
Tuen Mun’s climate features a warm subtropical average of **23.5°C annually**, with July peaking at **28.8°C** and January dipping to **16.0°C**. Rainfall averages **1,471 mm yearly**, concentrated in June (9.60 mm/day). Extreme temperatures range from **34.1°C** (record high) to **3.9°C** (record low), reflecting mild winters and hot summers.
Annual mean temperature 23.5 C
Warmest month Jul (28.8 C)
Coldest month Jan (16.0 C)
Wettest month Jun (9.60 mm/day)
All-time record high 34.1 C
All-time record low 3.9 C
Annual precipitation 1,471 mm / year
Coordinates 22.39175, 113.97157
Population 507,900
Average monthly temperature and rainfall in Tuen Mun
Month
Mean temp (C)
Rain (mm/day)
Record high (C)
Record low (C)
Jan
16.0
1.14
26.5
3.9
Feb
17.7
1.04
26.8
6.0
Mar
20.1
2.23
27.9
7.8
Apr
23.2
3.63
30.2
12.9
May
26.4
7.46
34.0
19.1
Jun
28.1
9.60
33.5
20.8
Jul
28.8
6.35
34.1
24.8
Aug
28.7
7.55
34.1
24.8
Sep
27.9
5.76
33.0
20.0
Oct
25.4
1.79
31.6
14.6
Nov
21.9
0.98
30.4
9.2
Dec
17.3
0.69
27.0
5.0
What the Tuen Mun climate table shows
Values are multi-decadal climatological averages for the 22.39175, 113.97157 grid cell, not a single year. Rain is the daily mean, so a value of 2.00 mm/day is about 60 mm across a 30-day month. Averages smooth over extremes, so use them for planning rather than for what to pack for next Tuesday.
Frequently asked questions
**What’s Tuen Mun’s wettest month?**?
June averages **9.60 mm/day**, the highest monthly rainfall.
**How much rain does Tuen Mun get yearly?**?
About **1,471 mm**, or roughly **4.03 mm daily** on average.