Annual mean 25°C · wettest around October · prevailing wind SE
Warmest
30.3 °C
Coldest
23.2 °C
Wettest
48%
Windiest
5.4 m/s
Prevailing
SE
4.2 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Sanya over the whole year is 25°C. June is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 19°C. The rainy (wet) season in Sanya runs from June to October, peaking in October with a 44% chance of rain on a given day. The dry season is November to May; February is the driest month, at 7%. Winds in Sanya are highest in December, averaging 5.1 m/s (18 km/h), and lightest in June, at 2.8 m/s (10 km/h). The prevailing wind is from the SE. The clearest skies in Sanya come in May, when the sky is typically 66% covered; January is the cloudiest month, at 74%.
Month by month Sanya climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
24°C
19°C
23°C
10%
74%
4.7 m/s
72
35
45
February
24°C
19°C
24°C
7%
73%
4.4 m/s
68
42
40
March
26°C
22°C
27°C
10%
71%
3.9 m/s
48
61
18
April
28°C
24°C
30°C
15%
70%
3.4 m/s
24
58
6
May
30°C
26°C
34°C
23%
66%
3.0 m/s
5
37
1
June
30°C
27°C
35°C
31%
66%
2.8 m/s
2
27
0
July
30°C
27°C
34°C
37%
69%
3.0 m/s
4
34
1
August
30°C
27°C
34°C
32%
68%
3.1 m/s
6
33
1
September
29°C
26°C
33°C
43%
67%
3.2 m/s
5
40
1
October
28°C
24°C
30°C
44%
68%
4.6 m/s
26
54
7
November
27°C
22°C
27°C
18%
68%
4.8 m/s
46
59
16
December
24°C
20°C
23°C
9%
73%
5.1 m/s
70
37
43
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Sanya weather by season
Year round, Sanya has days of about 24°C at their warmest in January, its coolest month, and 30°C in June, its warmest; the coolest hours of the day run from 19°C to 27°C through the year, and the average temperature over the year is 25°C around the clock. Rain is most likely around October and least likely around February. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Sanya weather in winterDecember to February
High 24°CLow 19°CRain 9%
Winter in Sanya has typical daily highs of about 24°C and lows of about 19°C, with a 9% chance of rain on a given day.
Sanya weather in springMarch to May
High 28°CLow 24°CRain 16%
Spring in Sanya has typical daily highs of about 28°C and lows of about 24°C, with a 16% chance of rain on a given day.
Sanya weather in summerJune to August
High 30°CLow 27°CRain 34%
Summer in Sanya has typical daily highs of about 30°C and lows of about 27°C, with a 34% chance of rain on a given day.
Sanya weather in autumnSeptember to November
High 28°CLow 24°CRain 35%
Autumn in Sanya has typical daily highs of about 28°C and lows of about 24°C, with a 35% chance of rain on a given day.
When is the rainy season in Sanya?
The rainy (wet) season in Sanya runs from June to October, peaking in October with a 44% chance of rain on a given day. The dry season is November to May; February is the driest month, at 7%.
What time of year is Sanya windiest?
Winds in Sanya are highest in December, averaging 5.1 m/s (18 km/h), and lightest in June, at 2.8 m/s (10 km/h). The prevailing wind is from the SE.
What is the average temperature in Sanya year round?
The average temperature in Sanya over the whole year is 25°C. June is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 19°C.