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Hong Kong in May: Weather, Average temperature and Climate

Discover the weather for Hong Kong in May and if it’s a good time to travel (based on historical data).
Check flight prices to Hong Kong on Avionero:
May

Weather in Hong Kong in May 2024

OK Weather
Warm
☁️
Cloudy
If you plan to visit Hong Kong in May, the weather is typically alright, with an average high temperature of +81°F during the day and approximately 2 sunny days. Expect some rainy, though, as there are typically 14 rainy days in the month and around 245 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+81°F
Avg. max. temperature
+59°F
Min.
+93°F
Max.
245 mm
Total precipitation
82%
Avg. humidity
2 m/s
Avg. wind
2 ☀️
Sunny Days
15 ⛅️
Cloudy
14 🌦
Rainy
Our opinion: Hong Kong has OK weather in May.

Average temperature in Hong Kong in May

Here are the expected maximum, average and minimum temperatures in Hong Kong for May based on the historical data.
Last Year
Historical Data

Going from a maximum of +84°F during the day to a minimum of +59°F during the night, the temperature in May averages around +77°F.

The average maximum temperature goes up 71% by the end of the month, compared with the beginning of the month, from +66°F to +84°F.

Is Hong Kong warm or cold in May?

Hong Kong is typically warm in May.

Maximum temperatures go up compared to the previous month from +73°F to +81°F. The minimum temperature also goes up from +66°F to +72°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how May is compared to other months in Hong Kong:

Climate in Hong Kong in May

Hong Kong weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+73°F+81°F+82°F
Min. temperature
+48°F+59°F+64°F
Max. temperature
+86°F+93°F+91°F
Rainfall
122 mm245 mm292 mm
Wind
2 m/s2 m/s3 m/s
Humidity
82%82%82%
Air pressure
1011 HPa1008 HPa1005 HPa
Sunny days
221
Cloudy days
191511
Rainy days
91418
Snowy days
000

May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +73°F to +81°F during the day. Prepare for more rain. Average rainfall goes from 122 mm to 245 mm. Humidity levels don’t change as the month goes on, averaging around 82%. The average wind speed doesn’t change much during May, staying around 2 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.

June brings much the same weather, it remains ok.

Wind

Wind speed in Hong Kong in May based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Hong Kong is gradually decreasing during May, going from 9 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Hong Kong based on historical data.
Last Year
Historical Data
Typically, there is a 74% chance of rain on an average day in May, with total rainfall of approximately 536 mm. The maximum amount of rainfall per day is around 130 mm, which is considered heavy rain. May is a pretty wet month with over 23 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Hong Kong wettest month is August, where a typical day has a 61% chance of precipitation and 324 mm of rainfall per day. January, on the other hand, is the driest month with a mere 6% chance of precipitation and 23 mm of rainfall per day.

How was the weather last May in Hong Kong?

This is the weather in Hong Kong in May 2023:
1 May
🌧️
+66°F
2 May
☁️
+66°F
3 May
☁️
+75°F
4 May
☁️
+78°F
5 May
☁️
+78°F
6 May
☁️
+79°F
7 May
🌧️
+78°F
8 May
☁️
+78°F
9 May
☁️
+77°F
10 May
🌧️
+76°F
11 May
🌧️
+76°F
12 May
🌧️
+76°F
13 May
🌧️
+77°F
14 May
🌧️
+76°F
15 May
🌧️
+73°F
16 May
☁️
+66°F
17 May
☁️
+76°F
18 May
☁️
+76°F
19 May
☁️
+80°F
20 May
☀️
+82°F
21 May
☁️
+83°F
22 May
🌧️
+78°F
23 May
🌧️
+75°F
24 May
☁️
+77°F
25 May
🌧️
+79°F
26 May
🌧️
+81°F
27 May
🌧️
+79°F
28 May
🌧️
+84°F
29 May
☁️
+85°F
30 May
☁️
+85°F
31 May
🌧️
+84°F
In May 2023 Hong Kong had 1 sunny days, 15 cloudy days, and 15 rainy days. The average maximum temperature was +77°F, with an absolute maximum of +84°F and a minimum of +66°F. The average humidity was 84%, with a maximum of 99% and a minimum of 33%. The average wind speed was 4 m/s, with a maximum of 15 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how Hong Kong climate has changed over the last 43 years.

The climate in Hong Kong in May has not changed that much over the last 43 years.

The average temperature was the lowest in 1984 (+78°F) and the highest in 2016 (+90°F). The driest year was 1991 with only 63 mm of rainfall, and the wettest year was 1983 with 563 mm.

FAQ

Frequently asked questions about the weather in Hong Kong in May:

Is May a good time to visit Hong Kong?

It’s always a good time to visit Hong Kong, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Hong Kong in May?

May is warm in Hong Kong. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Hong Kong rainy in May?

Hong Kong is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Hong Kong in May?

Usually, it’s not very sunny in Hong Kong in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Monthly weather in Hong Kong

Source of the data

For this page, we’ve looked at the typical weather in Hong Kong, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.