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Beihai in May: Weather, Average temperature and Climate

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

Weather in Beihai in May 2026

OK Weather
Warm
🌧️
Rainy
May could be a good time to visit Beihai, as the weather is generally fine. The average high temperature is around +28°C, and there are typically 2 sunny days in May. However, expect about 22 rainy days, and total monthly rainfall of approximately 210 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+28°C
Avg. max. temperature
+17°C
Min.
+32°C
Max.
210 mm
Total precipitation
84%
Avg. humidity
3 m/s
Avg. wind
2 ☀️
Sunny Days
6 ⛅️
Cloudy
22 🌦
Rainy
Our opinion: Beihai has OK weather in May.

Average temperature in Beihai in May

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

The expected average maximum temperature in May is +28°C with a maximum of +31°C and a minimum of +22°C.

The average maximum temperature goes up 44% by the end of the month, compared with the beginning of the month, from +26°C to +30°C.

Is Beihai warm or cold in May?

Beihai is typically warm in May.

Maximum temperatures go up compared to the previous month from +25°C to +28°C. The minimum temperature also goes up from +22°C to +25°C.

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

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

Climate in Beihai in May

Beihai weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+25°C+28°C+29°C
Min. temperature
+13°C+17°C+22°C
Max. temperature
+31°C+32°C+32°C
Rainfall
90 mm210 mm382 mm
Wind
3 m/s3 m/s4 m/s
Humidity
86%84%84%
Air pressure
1010 HPa1006 HPa1003 HPa
Sunny days
420
Cloudy days
1062
Rainy days
152225
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 +25°C to +28°C during the day. Prepare for more rain. Average rainfall goes from 90 mm to 210 mm. It feels drier, as humidity decreases from 86% to 84%. The average wind speed doesn’t change much during May, staying around 3 m/s. The days becoming less sunny, going from 4 sunny days in April to 2 in May.

June brings much the same weather, it remains ok.

Wind

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

The average wind speed is 5 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Beihai is gradually increasing during May, going from 4 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Beihai based on historical data.
Last Year
Historical Data
Total precipitation in May is about 369 mm, with a 42% chance of rain on a typical day. The maximum amount of rainfall per day is around 179 mm, which is considered heavy rain. May is a pretty wet month with over 13 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Beihai wettest month is August, where a typical day has a 87% chance of precipitation and 437 mm of rainfall per day. December, on the other hand, is the driest month with a mere 29% chance of precipitation and 38 mm of rainfall per day.

How was the weather last May in Beihai?

This is the weather in Beihai in May 2024:
1 May
☀️
+26°C
2 May
☁️
+26°C
3 May
☀️
+27°C
4 May
☀️
+28°C
5 May
☀️
+29°C
6 May
☀️
+30°C
7 May
☁️
+29°C
8 May
🌧️
+25°C
9 May
☁️
+27°C
10 May
🌧️
+27°C
11 May
🌧️
+27°C
12 May
🌧️
+24°C
13 May
🌧️
+24°C
14 May
☁️
+25°C
15 May
☁️
+27°C
16 May
☁️
+28°C
17 May
☁️
+29°C
18 May
☀️
+29°C
19 May
☀️
+30°C
20 May
☁️
+30°C
21 May
☀️
+30°C
22 May
☀️
+30°C
23 May
☁️
+31°C
24 May
☁️
+30°C
25 May
☁️
+30°C
26 May
🌧️
+29°C
27 May
☀️
+30°C
28 May
☀️
+30°C
29 May
☀️
+30°C
30 May
☁️
+30°C
31 May
☁️
+30°C
In May 2024 Beihai had 12 sunny days, 13 cloudy days, and 6 rainy days. The average maximum temperature was +28°C, with an absolute maximum of +31°C and a minimum of +24°C. The average humidity was 85%, with a maximum of 98% and a minimum of 73%. The average wind speed was 5 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change over Years

This is how Beihai climate have been changing during last 43 years period.

The climate in Beihai in May has not changed much over the last 43 years.

The average temperature was the lowest in 1984 (+24°C) and the highest in 2019 (+26°C). The driest year was 1989 with only 1483 mm of rainfall, and the wettest year was 1994 with 3217 mm.

FAQ

Frequently asked questions about the weather in Beihai in May:

Is May a good time to visit Beihai?

It’s always a good time to visit Beihai, 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 Beihai in May?

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

Is Beihai rainy in May?

Beihai 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 Beihai in May?

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

Other cities in China

Check out the weather for other cities in China.

Monthly weather in Beihai

Source of the data

For this page, we’ve looked at the typical weather in Beihai, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

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.