Annual mean 14°C · wettest around December · prevailing wind SW
Warmest
25.2 °C
Coldest
11.6 °C
Wettest
32%
Windiest
3.9 m/s
Prevailing
SW
3.0 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 Healdsburg over the whole year is 14°C. August is the hottest month, with highs of about 24°C; December is the coldest, with lows of about 6°C. The rainy (wet) season in Healdsburg runs from October to May, peaking in December with a 31% chance of rain on a given day. The dry season is June to September; July is the driest month, at 3%. Winds in Healdsburg are highest in May, averaging 2.9 m/s (10 km/h), and lightest in November, at 1.7 m/s (6 km/h). The prevailing wind is from the SW. The clearest skies in Healdsburg come in June, when the sky is typically 21% covered; January is the cloudiest month, at 55%.
Month by month Healdsburg 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
12°C
7°C
10°C
31%
55%
2.1 m/s
11
0
76
February
14°C
6°C
11°C
28%
38%
2.4 m/s
26
0
77
March
15°C
7°C
12°C
30%
48%
2.5 m/s
31
1
80
April
17°C
9°C
16°C
22%
35%
2.6 m/s
61
7
82
May
20°C
11°C
19°C
18%
32%
2.9 m/s
73
20
70
June
23°C
13°C
24°C
8%
21%
2.9 m/s
71
41
48
July
24°C
13°C
26°C
3%
23%
2.8 m/s
65
53
35
August
24°C
14°C
26°C
5%
26%
2.5 m/s
64
56
33
September
24°C
13°C
24°C
10%
27%
2.2 m/s
71
44
43
October
21°C
10°C
21°C
18%
28%
1.9 m/s
78
24
66
November
16°C
7°C
14°C
25%
37%
1.7 m/s
45
1
88
December
12°C
6°C
10°C
31%
48%
1.9 m/s
10
0
75
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 Healdsburg weather by season
Year round, Healdsburg has days of about 12°C at their warmest in December, its coolest month, and 24°C in August, its warmest; the coolest hours of the day run from 6°C to 14°C through the year, and the average temperature over the year is 14°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.
Healdsburg weather in winterDecember to February
High 13°CLow 6°CRain 30%
Winter in Healdsburg has typical daily highs of about 13°C and lows of about 6°C, with a 30% chance of rain on a given day.
Healdsburg weather in springMarch to May
High 17°CLow 9°CRain 23%
Spring in Healdsburg has typical daily highs of about 17°C and lows of about 9°C, with a 23% chance of rain on a given day.
Healdsburg weather in summerJune to August
High 24°CLow 13°CRain 6%
Summer in Healdsburg has typical daily highs of about 24°C and lows of about 13°C, with a 6% chance of rain on a given day.
Healdsburg weather in autumnSeptember to November
High 20°CLow 10°CRain 18%
Autumn in Healdsburg has typical daily highs of about 20°C and lows of about 10°C, with a 18% chance of rain on a given day.
When is the rainy season in Healdsburg?
The rainy (wet) season in Healdsburg runs from October to May, peaking in December with a 31% chance of rain on a given day. The dry season is June to September; July is the driest month, at 3%.
What time of year is Healdsburg windiest?
Winds in Healdsburg are highest in May, averaging 2.9 m/s (10 km/h), and lightest in November, at 1.7 m/s (6 km/h). The prevailing wind is from the SW.
What is the average temperature in Healdsburg year round?
The average temperature in Healdsburg over the whole year is 14°C. August is the hottest month, with highs of about 24°C; December is the coldest, with lows of about 6°C.