Annual mean 13°C · wettest around November · prevailing wind W
Warmest
30.3 °C
Coldest
0.7 °C
Wettest
76%
Windiest
3.4 m/s
Prevailing
W
2.7 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Ansan over the whole year is 13°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -4°C. The rainy (wet) season in Ansan runs from November, peaking in November with a 60% chance of rain on a given day. The dry season is December to February; December is the driest month, at 33%. Winds in Ansan are highest in April, averaging 2.3 m/s (8 km/h), and lightest in October, at 1.8 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Ansan come in February, when the sky is typically 36% covered; August is the cloudiest month, at 59%.
Month by month Ansan 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
2°C
-4°C
-3°C
37%
39%
1.9 m/s
0
0
6
February
4°C
-2°C
-1°C
41%
36%
2.1 m/s
0
0
13
March
11°C
3°C
7°C
49%
37%
2.2 m/s
8
0
51
April
17°C
9°C
13°C
51%
37%
2.3 m/s
38
1
75
May
22°C
15°C
20°C
58%
44%
2.1 m/s
73
17
61
June
26°C
20°C
26°C
43%
50%
2.0 m/s
59
57
21
July
28°C
23°C
30°C
50%
58%
2.0 m/s
21
50
5
August
29°C
25°C
33°C
57%
59%
1.9 m/s
11
35
3
September
25°C
19°C
25°C
50%
50%
2.0 m/s
66
47
28
October
19°C
12°C
16°C
45%
41%
1.8 m/s
64
4
77
November
11°C
5°C
8°C
60%
37%
1.9 m/s
17
0
52
December
3°C
-2°C
-1°C
33%
38%
2.0 m/s
0
0
11
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 Ansan weather by season
Year round, Ansan has days of about 2°C at their warmest in January, its coolest month, and 29°C in August, its warmest; the coolest hours of the day run from -4°C to 25°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around November and least likely around December. 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.
Ansan weather in winterDecember to February
High 3°CLow -3°CRain 37%
Winter in Ansan has typical daily highs of about 3°C and lows of about -3°C, with a 37% chance of rain on a given day.
Ansan weather in springMarch to May
High 16°CLow 9°CRain 53%
Spring in Ansan has typical daily highs of about 16°C and lows of about 9°C, with a 53% chance of rain on a given day.
Ansan weather in summerJune to August
High 28°CLow 23°CRain 50%
Summer in Ansan has typical daily highs of about 28°C and lows of about 23°C, with a 50% chance of rain on a given day.
Ansan weather in autumnSeptember to November
High 18°CLow 12°CRain 52%
Autumn in Ansan has typical daily highs of about 18°C and lows of about 12°C, with a 52% chance of rain on a given day.
When is the rainy season in Ansan?
The rainy (wet) season in Ansan runs from November, peaking in November with a 60% chance of rain on a given day. The dry season is December to February; December is the driest month, at 33%.
What time of year is Ansan windiest?
Winds in Ansan are highest in April, averaging 2.3 m/s (8 km/h), and lightest in October, at 1.8 m/s (6 km/h). The prevailing wind is from the W.
What is the average temperature in Ansan year round?
The average temperature in Ansan over the whole year is 13°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -4°C.