Annual mean 25°C · wettest around August · prevailing wind NW
Warmest
31.4 °C
Coldest
20.8 °C
Wettest
48%
Windiest
4.7 m/s
Prevailing
NW
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 Tainan over the whole year is 25°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 16°C. The rainy (wet) season in Tainan runs from June to August, peaking in August with a 54% chance of rain on a given day. The dry season is September to May; November is the driest month, at 10%. Winds in Tainan are highest in December, averaging 4.4 m/s (16 km/h), and lightest in May, at 3.1 m/s (11 km/h). The prevailing wind is from the NW. The clearest skies in Tainan come in November, when the sky is typically 59% covered; August is the cloudiest month, at 72%.
Month by month Tainan 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
22°C
16°C
20°C
14%
61%
4.2 m/s
75
16
63
February
22°C
16°C
21°C
17%
61%
4.1 m/s
71
25
55
March
25°C
19°C
24°C
21%
60%
3.6 m/s
62
48
32
April
28°C
22°C
28°C
28%
62%
3.4 m/s
34
63
11
May
30°C
25°C
32°C
29%
68%
3.1 m/s
11
52
3
June
31°C
27°C
34°C
46%
71%
3.2 m/s
4
29
0
July
31°C
27°C
34°C
47%
69%
3.4 m/s
3
23
0
August
31°C
26°C
34°C
54%
72%
3.1 m/s
3
27
0
September
31°C
26°C
34°C
29%
65%
3.1 m/s
3
32
1
October
29°C
24°C
31°C
26%
62%
3.3 m/s
13
58
3
November
27°C
21°C
28°C
10%
59%
3.5 m/s
41
65
13
December
23°C
17°C
22°C
16%
62%
4.4 m/s
76
30
51
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 Tainan weather by season
Year round, Tainan has days of about 22°C at their warmest in January, its coolest month, and 31°C in July, its warmest; the coolest hours of the day run from 16°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 August and least likely around November. 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.
Tainan weather in winterDecember to February
High 22°CLow 16°CRain 16%
Winter in Tainan has typical daily highs of about 22°C and lows of about 16°C, with a 16% chance of rain on a given day.
Tainan weather in springMarch to May
High 27°CLow 22°CRain 26%
Spring in Tainan has typical daily highs of about 27°C and lows of about 22°C, with a 26% chance of rain on a given day.
Tainan weather in summerJune to August
High 31°CLow 27°CRain 49%
Summer in Tainan has typical daily highs of about 31°C and lows of about 27°C, with a 49% chance of rain on a given day.
Tainan weather in autumnSeptember to November
High 29°CLow 24°CRain 21%
Autumn in Tainan has typical daily highs of about 29°C and lows of about 24°C, with a 21% chance of rain on a given day.
When is the rainy season in Tainan?
The rainy (wet) season in Tainan runs from June to August, peaking in August with a 54% chance of rain on a given day. The dry season is September to May; November is the driest month, at 10%.
What time of year is Tainan windiest?
Winds in Tainan are highest in December, averaging 4.4 m/s (16 km/h), and lightest in May, at 3.1 m/s (11 km/h). The prevailing wind is from the NW.
What is the average temperature in Tainan year round?
The average temperature in Tainan over the whole year is 25°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 16°C.