Annual mean 18°C · wettest around January · prevailing wind SW
Warmest
30.9 °C
Coldest
16.7 °C
Wettest
20%
Windiest
3.6 m/s
Prevailing
SW
2.8 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 South San Jose Hills over the whole year is 18°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 9°C. The rainy (wet) season in South San Jose Hills runs from October to April, peaking in January with a 18% chance of rain on a given day. The dry season is May to September; July is the driest month, at 2%. Winds in South San Jose Hills are highest in May, averaging 2.5 m/s (9 km/h), and lightest in December, at 1.4 m/s (5 km/h). The prevailing wind is from the SW. The clearest skies in South San Jose Hills come in August, when the sky is typically 18% covered; May is the cloudiest month, at 46%.
Month by month South San Jose Hills 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
9°C
15°C
18%
30%
1.6 m/s
53
1
84
February
18°C
10°C
15°C
18%
31%
1.9 m/s
54
5
80
March
19°C
11°C
16°C
17%
39%
2.2 m/s
59
6
80
April
22°C
13°C
19°C
11%
34%
2.3 m/s
76
15
74
May
22°C
15°C
20°C
9%
46%
2.5 m/s
82
16
73
June
26°C
18°C
24°C
5%
36%
2.5 m/s
73
44
42
July
29°C
20°C
28°C
2%
20%
2.4 m/s
44
69
14
August
30°C
20°C
29°C
8%
18%
2.3 m/s
35
74
9
September
29°C
19°C
28°C
6%
26%
2.1 m/s
53
60
21
October
26°C
16°C
24°C
11%
25%
1.7 m/s
72
44
42
November
22°C
12°C
20°C
13%
21%
1.5 m/s
81
15
73
December
18°C
9°C
15°C
16%
28%
1.4 m/s
61
2
86
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 South San Jose Hills weather by season
Year round, South San Jose Hills has days of about 17°C at their warmest in January, its coolest month, and 30°C in August, its warmest; the coolest hours of the day run from 9°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.
South San Jose Hills weather in winterDecember to February
High 18°CLow 9°CRain 17%
Winter in South San Jose Hills has typical daily highs of about 18°C and lows of about 9°C, with a 17% chance of rain on a given day.
South San Jose Hills weather in springMarch to May
High 21°CLow 13°CRain 12%
Spring in South San Jose Hills has typical daily highs of about 21°C and lows of about 13°C, with a 12% chance of rain on a given day.
South San Jose Hills weather in summerJune to August
High 28°CLow 19°CRain 5%
Summer in South San Jose Hills has typical daily highs of about 28°C and lows of about 19°C, with a 5% chance of rain on a given day.
South San Jose Hills weather in autumnSeptember to November
High 26°CLow 15°CRain 10%
Autumn in South San Jose Hills has typical daily highs of about 26°C and lows of about 15°C, with a 10% chance of rain on a given day.
When is the rainy season in South San Jose Hills?
The rainy (wet) season in South San Jose Hills runs from October to April, peaking in January with a 18% chance of rain on a given day. The dry season is May to September; July is the driest month, at 2%.
What time of year is South San Jose Hills windiest?
Winds in South San Jose Hills are highest in May, averaging 2.5 m/s (9 km/h), and lightest in December, at 1.4 m/s (5 km/h). The prevailing wind is from the SW.
What is the average temperature in South San Jose Hills year round?
The average temperature in South San Jose Hills over the whole year is 18°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 9°C.