Annual mean 15°C · wettest around December · prevailing wind W
Warmest
24.1 °C
Coldest
14.5 °C
Wettest
14%
Windiest
5.5 m/s
Prevailing
W
4.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Morro Bay over the whole year is 15°C. August is the hottest month, with highs of about 23°C; February is the coldest, with lows of about 8°C. Morro Bay has no sharply defined rainy season: the chance of rain on a given day runs from 2% in July, the driest month, to 15% in December, the wettest. Winds in Morro Bay are highest in May, averaging 3.7 m/s (13 km/h), and lightest in November, at 2.4 m/s (9 km/h). The prevailing wind is from the W. The clearest skies in Morro Bay come in November, when the sky is typically 23% covered; March is the cloudiest month, at 42%.
Month by month Morro Bay 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
15°C
8°C
12°C
15%
36%
2.7 m/s
30
1
84
February
15°C
8°C
12°C
14%
31%
3.0 m/s
34
2
81
March
16°C
9°C
13°C
15%
42%
3.1 m/s
35
2
83
April
18°C
10°C
15°C
8%
35%
3.5 m/s
49
7
80
May
19°C
11°C
16°C
6%
40%
3.7 m/s
54
11
77
June
22°C
13°C
19°C
4%
32%
3.5 m/s
62
22
67
July
23°C
14°C
22°C
2%
32%
3.1 m/s
65
28
59
August
23°C
14°C
23°C
3%
32%
3.0 m/s
67
33
54
September
23°C
14°C
22°C
4%
30%
2.7 m/s
70
30
57
October
22°C
12°C
21°C
6%
24%
2.5 m/s
77
21
68
November
19°C
9°C
16°C
9%
23%
2.4 m/s
64
6
85
December
15°C
8°C
13°C
15%
32%
2.4 m/s
34
0
85
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 Morro Bay weather by season
Year round, Morro Bay has days of about 15°C at their warmest in January, its coolest month, and 23°C in August, its warmest; the coolest hours of the day run from 8°C to 14°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around December 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.
Morro Bay weather in winterDecember to February
High 15°CLow 8°CRain 15%
Winter in Morro Bay has typical daily highs of about 15°C and lows of about 8°C, with a 15% chance of rain on a given day.
Morro Bay weather in springMarch to May
High 18°CLow 10°CRain 10%
Spring in Morro Bay has typical daily highs of about 18°C and lows of about 10°C, with a 10% chance of rain on a given day.
Morro Bay weather in summerJune to August
High 22°CLow 14°CRain 3%
Summer in Morro Bay has typical daily highs of about 22°C and lows of about 14°C, with a 3% chance of rain on a given day.
Morro Bay weather in autumnSeptember to November
High 21°CLow 11°CRain 6%
Autumn in Morro Bay has typical daily highs of about 21°C and lows of about 11°C, with a 6% chance of rain on a given day.
When is the rainy season in Morro Bay?
Morro Bay has no sharply defined rainy season: the chance of rain on a given day runs from 2% in July, the driest month, to 15% in December, the wettest.
What time of year is Morro Bay windiest?
Winds in Morro Bay are highest in May, averaging 3.7 m/s (13 km/h), and lightest in November, at 2.4 m/s (9 km/h). The prevailing wind is from the W.
What is the average temperature in Morro Bay year round?
The average temperature in Morro Bay over the whole year is 15°C. August is the hottest month, with highs of about 23°C; February is the coldest, with lows of about 8°C.