Weather History for Hayward, CA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 71 °F 58 °F 50 °F
Mean Temperature 62 °F 51 °F 44 °F
Min Temperature 58 °F 43 °F 33 °F
Degree Days  
Heating Degree Days (base 65) 21 14 3 438
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 2 0 67
Dew Point  
Dew Point 61 °F 43 °F 17 °F
Precipitation  
Precipitation 0.85 in 0.10 in 0.00 in 2.72 in
Snowdepth - - - -
Wind  
Wind 30 mph 6 mph 0 mph
Gust Wind 38 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 30.08 in 29.80 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 04, 2012 Rise Set
Actual Time 7:08 AM PST 4:49 PM PST
Civil Twilight 6:39 AM PST 5:18 PM PST
Nautical Twilight 6:06 AM PST 5:51 PM PST
Astronomical Twilight 5:34 AM PST 6:23 PM PST
Moon 10:38 PM PST (12/4) 11:08 AM PST (12/4)
Length of Visible Light 10h 39m
Length of Day
9h 41m
Waning Gibbous, 68% of the Moon is Illuminated
Dec 4
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Weather History Calendar

Precipitation Actual month total 2.72 Average Month Total: 2.45
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
66 | 58 T
Average:
57 | 44 0.06
Rain
Actual:
64 | 48 0.42
Average:
57 | 44 0.06
Clear
Actual:
59 | 44 0.00
Average:
57 | 44 0.07
Partly Cloudy
Actual:
61 | 50 0.00
Average:
57 | 44 0.07
Rain
Actual:
65 | 58 0.47
Average:
57 | 44 0.07
Partly Cloudy
Actual:
60 | 50 0.00
Average:
57 | 44 0.07
Clear
Actual:
62 | 45 0.00
Average:
57 | 44 0.07
Clear
Actual:
59 | 42 0.00
Average:
57 | 44 0.08
Clear
Actual:
65 | 43 0.00
Average:
57 | 43 0.08
Clear
Actual:
71 | 45 0.00
Average:
57 | 43 0.08
Partly Cloudy
Actual:
58 | 43 T
Average:
57 | 43 0.08
Rain
Actual:
56 | 43 0.04
Average:
57 | 43 0.08
Scattered Clouds
Actual:
55 | 39 0.00
Average:
56 | 43 0.08
Rain
Actual:
53 | 37 0.01
Average:
56 | 42 0.08
Rain
Actual:
50 | 37 0.05
Average:
56 | 42 0.08
Overcast
Actual:
57 | 46 T
Average:
56 | 42 0.08
Rain
Actual:
58 | 45 0.12
Average:
56 | 42 0.08
Scattered Clouds
Actual:
54 | 39 0.00
Average:
55 | 41 0.08
Clear
Actual:
54 | 33 0.00
Average:
55 | 41 0.08
Scattered Clouds
Actual:
59 | 34 0.00
Average:
55 | 41 0.08
Rain
Actual:
59 | 51 0.06
Average:
55 | 41 0.08
Rain
Actual:
58 | 49 0.34
Average:
55 | 41 0.09
Rain
Actual:
54 | 46 0.85
Average:
55 | 41 0.09
Scattered Clouds
Actual:
58 | 42 0.00
Average:
55 | 41 0.09
Rain
Actual:
52 | 42 0.26
Average:
55 | 41 0.09
Rain
Actual:
56 | 44 0.07
Average:
55 | 41 0.09
Clear
Actual:
54 | 41 0.00
Average:
55 | 41 0.09
Rain
Actual:
52 | 38 T
Average:
55 | 41 0.08
Rain
Actual:
56 | 40 0.03
Average:
55 | 41 0.08
Scattered Clouds
Actual:
53 | 38 0.00
Average:
55 | 41 0.08
Scattered Clouds
Actual:
53 | 36 0.00
Average:
55 | 41 0.08
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 66 62 58 58 56 53 86 80 73 30.07 30.00 29.92 10 8 2 21 12 28 T Rain
2 64 56 48 59 54 45 93 77 60 30.15 29.94 29.80 10 7 2 30 9 38 0.42 Rain
3 59 52 44 49 46 42 93 78 62 30.24 30.19 30.14 10 10 10 8 3 12 0.00  
4 61 56 50 53 49 46 89 75 60 30.26 30.21 30.15 10 10 9 13 4 16 0.00  
5 65 62 58 61 57 50 93 79 64 30.19 30.14 30.08 10 8 2 13 5 17 0.47 Rain
6 60 55 50 55 50 46 93 78 62 30.17 30.13 30.07 10 10 3 13 4 18 0.00  
7 62 54 45 50 46 43 93 77 60 30.18 30.13 30.10 10 10 8 8 4 10 0.00  
8 59 51 42 47 43 39 92 75 57 30.14 30.10 30.07 10 10 10 8 3 17 0.00  
9 65 54 43 47 42 37 83 66 49 30.22 30.17 30.12 10 10 10 7 2 9 0.00  
10 71 58 45 49 44 41 80 57 34 30.26 30.19 30.14 10 10 10 10 2 18 0.00  
11 58 51 43 51 45 40 83 75 66 30.12 30.00 29.88 10 10 6 15 6 18 T  
12 56 50 43 49 43 38 89 74 59 29.94 29.90 29.84 10 9 2 15 7 18 0.04 Rain
13 55 47 39 41 37 34 92 68 43 29.96 29.92 29.89 10 10 10 13 4 15 0.00  
14 53 45 37 42 37 33 89 76 63 30.06 29.95 29.86 10 10 5 9 4 10 0.01 Rain
15 50 44 37 45 40 36 92 82 71 30.12 30.07 30.04 10 9 5 12 5 15 0.05 Rain
16 57 52 46 52 46 42 86 79 71 30.14 30.08 30.04 10 10 9 14 5 18 T  
17 58 52 45 52 50 41 93 82 71 30.11 30.05 30.01 10 8 1 17 8 21 0.12 Rain
18 54 47 39 41 31 26 89 64 38 30.23 30.11 30.03 10 10 10 24 8 30 0.00  
19 54 44 33 32 28 17 82 53 24 30.35 30.29 30.24 10 10 10 8 3 10 0.00  
20 59 47 34 37 31 26 75 56 36 30.25 30.14 30.04 10 10 10 23 10 29 0.00  
21 59 55 51 52 44 31 93 68 43 30.02 29.94 29.89 10 9 2 25 15 32 0.06 Rain
22 58 54 49 50 47 43 96 77 57 30.13 29.98 29.86 10 8 2 23 9 32 0.34 Rain
23 54 50 46 53 49 44 100 86 71 30.12 29.95 29.87 10 6 1 26 12 35 0.85 Rain
24 58 50 42 45 41 36 100 74 47 30.24 30.16 30.07 10 9 2 10 4 13 0.00  
25 52 47 42 47 42 36 86 79 71 30.19 29.98 29.81 10 9 2 24 7 35 0.26 Rain
26 56 50 44 48 45 40 93 82 71 30.14 30.00 29.88 10 9 3 20 6 25 0.07 Rain
27 54 48 41 41 39 37 89 74 59 30.21 30.17 30.13 10 10 10 10 4 13 0.00  
28 52 45 38 40 37 34 85 73 61 30.22 30.14 30.06 10 10 5 14 4 18 T Rain
29 56 48 40 41 38 34 89 66 43 30.12 30.07 30.04 10 9 4 14 7 18 0.03 Rain
30 53 46 38 42 37 32 85 72 59 30.21 30.12 30.08 10 10 10 13 3 14 0.00  
31 53 45 36 34 30 28 76 57 38 30.33 30.28 30.22 10 10 10 10 4 13 0.00