Annual mean 15°C · wettest around February · prevailing wind W
Warmest
30.1 °C
Coldest
5.3 °C
Wettest
73%
Windiest
3.4 m/s
Prevailing
W
2.4 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 Alcoa over the whole year is 15°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 1°C. Alcoa has no sharply defined rainy season: the chance of rain on a given day runs from 64% in July, the driest month, to 69% in February, the wettest. Winds in Alcoa are highest in March, averaging 2.0 m/s (7 km/h), and lightest in August, at 1.0 m/s (4 km/h). The prevailing wind is from the W. The clearest skies in Alcoa come in October, when the sky is typically 34% covered; January is the cloudiest month, at 43%.
Month by month Alcoa 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
6°C
1°C
2°C
65%
43%
1.6 m/s
6
0
24
February
11°C
4°C
8°C
69%
41%
1.8 m/s
16
0
47
March
15°C
6°C
12°C
67%
36%
2.0 m/s
34
1
65
April
19°C
10°C
17°C
66%
35%
1.9 m/s
57
14
62
May
24°C
16°C
23°C
65%
40%
1.5 m/s
63
42
38
June
28°C
19°C
29°C
65%
35%
1.3 m/s
34
61
10
July
30°C
22°C
32°C
64%
36%
1.2 m/s
8
53
1
August
29°C
20°C
31°C
66%
37%
1.0 m/s
16
60
3
September
27°C
17°C
28°C
65%
35%
1.0 m/s
41
59
17
October
21°C
11°C
20°C
65%
34%
1.0 m/s
64
23
58
November
14°C
5°C
12°C
66%
34%
1.2 m/s
33
4
63
December
9°C
3°C
6°C
68%
41%
1.4 m/s
10
0
42
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 Alcoa weather by season
Year round, Alcoa has days of about 6°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from 1°C to 22°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around February and least likely around July. 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.
Alcoa weather in winterDecember to February
High 9°CLow 3°CRain 67%
Winter in Alcoa has typical daily highs of about 9°C and lows of about 3°C, with a 67% chance of rain on a given day.
Alcoa weather in springMarch to May
High 19°CLow 11°CRain 66%
Spring in Alcoa has typical daily highs of about 19°C and lows of about 11°C, with a 66% chance of rain on a given day.
Alcoa weather in summerJune to August
High 29°CLow 20°CRain 65%
Summer in Alcoa has typical daily highs of about 29°C and lows of about 20°C, with a 65% chance of rain on a given day.
Alcoa weather in autumnSeptember to November
High 21°CLow 11°CRain 65%
Autumn in Alcoa has typical daily highs of about 21°C and lows of about 11°C, with a 65% chance of rain on a given day.
When is the rainy season in Alcoa?
Alcoa has no sharply defined rainy season: the chance of rain on a given day runs from 64% in July, the driest month, to 69% in February, the wettest.
What time of year is Alcoa windiest?
Winds in Alcoa are highest in March, averaging 2.0 m/s (7 km/h), and lightest in August, at 1.0 m/s (4 km/h). The prevailing wind is from the W.
What is the average temperature in Alcoa year round?
The average temperature in Alcoa over the whole year is 15°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 1°C.