Annual mean 18°C · wettest around January · prevailing wind SW
Warmest
27.9 °C
Coldest
16.4 °C
Wettest
16%
Windiest
3.6 m/s
Prevailing
SW
2.9 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 Downey over the whole year is 18°C. August is the hottest month, with highs of about 27°C; January is the coldest, with lows of about 10°C. Downey has no sharply defined rainy season: the chance of rain on a given day runs from 1% in July, the driest month, to 14% in January, the wettest. Winds in Downey are highest in May, averaging 2.4 m/s (9 km/h), and lightest in November, at 1.6 m/s (6 km/h). The prevailing wind is from the SW. The clearest skies in Downey come in November, when the sky is typically 22% covered; May is the cloudiest month, at 50%.
Month by month Downey 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
17°C
10°C
15°C
14%
30%
1.8 m/s
55
2
86
February
17°C
10°C
15°C
14%
31%
2.1 m/s
55
5
82
March
18°C
11°C
15°C
13%
38%
2.3 m/s
58
4
84
April
20°C
13°C
18°C
7%
35%
2.3 m/s
74
11
80
May
20°C
15°C
19°C
6%
50%
2.4 m/s
83
10
81
June
23°C
18°C
23°C
3%
43%
2.4 m/s
82
31
57
July
26°C
19°C
26°C
1%
26%
2.4 m/s
63
58
29
August
27°C
20°C
27°C
5%
23%
2.3 m/s
54
66
20
September
26°C
19°C
26°C
4%
29%
2.1 m/s
63
53
31
October
24°C
16°C
24°C
8%
27%
1.9 m/s
77
38
50
November
21°C
13°C
19°C
9%
22%
1.6 m/s
83
13
76
December
18°C
10°C
16°C
12%
28%
1.7 m/s
63
2
88
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 Downey weather by season
Year round, Downey has days of about 17°C at their warmest in January, its coolest month, and 27°C in August, its warmest; the coolest hours of the day run from 10°C to 20°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around January 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.
Downey weather in winterDecember to February
High 17°CLow 10°CRain 14%
Winter in Downey has typical daily highs of about 17°C and lows of about 10°C, with a 14% chance of rain on a given day.
Downey weather in springMarch to May
High 19°CLow 13°CRain 9%
Spring in Downey has typical daily highs of about 19°C and lows of about 13°C, with a 9% chance of rain on a given day.
Downey weather in summerJune to August
High 25°CLow 19°CRain 3%
Summer in Downey has typical daily highs of about 25°C and lows of about 19°C, with a 3% chance of rain on a given day.
Downey weather in autumnSeptember to November
High 24°CLow 16°CRain 7%
Autumn in Downey has typical daily highs of about 24°C and lows of about 16°C, with a 7% chance of rain on a given day.
When is the rainy season in Downey?
Downey has no sharply defined rainy season: the chance of rain on a given day runs from 1% in July, the driest month, to 14% in January, the wettest.
What time of year is Downey windiest?
Winds in Downey are highest in May, averaging 2.4 m/s (9 km/h), and lightest in November, at 1.6 m/s (6 km/h). The prevailing wind is from the SW.
What is the average temperature in Downey year round?
The average temperature in Downey over the whole year is 18°C. August is the hottest month, with highs of about 27°C; January is the coldest, with lows of about 10°C.