Weather History for Hayward, CA

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 66 °F 57 °F 48 °F
Mean Temperature 58 °F 48 °F 40 °F
Min Temperature 51 °F 38 °F 31 °F
Degree Days  
Heating Degree Days (base 65) 25 17 7 536
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 1 0 19
Dew Point  
Dew Point 54 °F 37 °F 12 °F
Precipitation  
Precipitation 0.12 in 0.01 in 0.00 in 0.19 in
Snowdepth - - - -
Wind  
Wind 21 mph 4 mph 0 mph
Gust Wind 28 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.52 in 30.22 in 30.00 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 02, 2013 Rise Set
Actual Time 7:23 AM PST 5:01 PM PST
Civil Twilight 6:54 AM PST 5:31 PM PST
Nautical Twilight 6:21 AM PST 6:03 PM PST
Astronomical Twilight 5:50 AM PST 6:35 PM PST
Moon 10:33 PM PST (1/2) 10:14 AM PST (1/2)
Length of Visible Light 10h 36m
Length of Day
9h 38m
Waning Gibbous, 74% of the Moon is Illuminated
Jan 2
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 0.19 Average Month Total: 2.10
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
54 | 37 T
Average:
55 | 42 0.08
Clear
Actual:
56 | 33 0.00
Average:
55 | 42 0.08
Clear
Actual:
53 | 34 0.00
Average:
55 | 42 0.08
Clear
Actual:
55 | 38 0.00
Average:
55 | 42 0.07
Rain
Actual:
55 | 40 0.12
Average:
55 | 42 0.07
Rain
Actual:
51 | 40 T
Average:
55 | 42 0.07
Clear
Actual:
57 | 37 0.00
Average:
55 | 42 0.07
Clear
Actual:
58 | 40 0.00
Average:
55 | 42 0.07
Rain
Actual:
53 | 41 0.02
Average:
55 | 42 0.07
Clear
Actual:
52 | 36 0.00
Average:
55 | 42 0.07
Scattered Clouds
Actual:
51 | 34 0.00
Average:
55 | 42 0.07
Scattered Clouds
Actual:
49 | 33 0.00
Average:
55 | 42 0.07
Clear
Actual:
48 | 31 0.00
Average:
55 | 42 0.07
Clear
Actual:
54 | 31 0.00
Average:
55 | 42 0.07
Clear
Actual:
54 | 33 0.00
Average:
55 | 42 0.07
Clear
Actual:
56 | 34 0.00
Average:
55 | 42 0.07
Clear
Actual:
59 | 35 0.00
Average:
55 | 42 0.07
Clear
Actual:
61 | 36 0.00
Average:
55 | 42 0.07
Clear
Actual:
64 | 35 0.00
Average:
55 | 42 0.06
Clear
Actual:
62 | 35 0.00
Average:
55 | 42 0.06
Clear
Actual:
64 | 36 0.00
Average:
55 | 42 0.06
Clear
Actual:
60 | 38 0.00
Average:
55 | 42 0.06
Rain
Actual:
56 | 49 0.04
Average:
55 | 42 0.06
Rain
Actual:
58 | 51 0.01
Average:
55 | 42 0.06
Partly Cloudy
Actual:
66 | 50 0.00
Average:
55 | 42 0.06
Partly Cloudy
Actual:
57 | 46 0.00
Average:
55 | 42 0.06
Clear
Actual:
55 | 38 0.00
Average:
55 | 42 0.06
Scattered Clouds
Actual:
58 | 38 0.00
Average:
55 | 42 0.06
Clear
Actual:
56 | 39 0.00
Average:
56 | 42 0.07
Clear
Actual:
65 | 41 0.00
Average:
56 | 42 0.07
Clear
Actual:
62 | 41 0.00
Average:
56 | 42 0.07
 

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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 54 46 37 36 33 30 76 61 45 30.31 30.27 30.24 10 10 8 18 6 24 T  
2 56 45 33 38 33 29 89 68 46 30.27 30.22 30.17 10 10 8 9 3 13 0.00  
3 53 44 34 40 36 31 89 72 54 30.30 30.25 30.20 10 8 6 7 4 13 0.00  
4 55 47 38 41 37 32 79 67 54 30.33 30.27 30.21 10 8 5 9 3 10 0.00  
5 55 48 40 48 43 36 93 80 66 30.30 30.18 30.08 10 7 2 13 4 17 0.12 Rain
6 51 46 40 46 42 38 93 84 74 30.23 30.16 30.07 10 8 5 13 6 16 T Rain
7 57 47 37 47 41 36 92 75 57 30.30 30.23 30.19 10 9 6 8 2 10 0.00  
8 58 49 40 45 42 38 92 77 62 30.27 30.21 30.17 10 9 8 9 3 10 0.00  
9 53 47 41 48 43 35 89 75 61 30.17 30.09 30.01 10 7 1 20 5 26 0.02 Rain
10 52 44 36 35 33 30 85 65 44 30.23 30.15 30.12 10 10 10 8 7 9 0.00  
11 51 43 34 40 34 29 83 68 53 30.30 30.22 30.16 10 10 10 15 4 18 0.00  
12 49 41 33 34 28 25 89 64 39 30.29 30.23 30.18 10 10 10 10 4 13 0.00  
13 48 40 31 27 24 15 75 57 38 30.31 30.25 30.22 10 10 10 9 4 13 0.00  
14 54 43 31 23 16 12 50 34 18 30.45 30.39 30.27 10 10 10 15 4 22 0.00  
15 54 44 33 29 26 23 69 54 38 30.52 30.47 30.44 10 10 9 9 4 12 0.00  
16 56 45 34 36 32 28 82 62 41 30.47 30.38 30.29 10 7 5 14 4 15 0.00  
17 59 47 35 36 32 29 89 63 36 30.30 30.24 30.18 10 7 4 8 2 12 0.00  
18 61 49 36 40 34 29 85 62 38 30.26 30.20 30.17 10 8 5 10 3 13 0.00  
19 64 50 35 40 33 28 70 52 34 30.29 30.23 30.19 10 10 8 9 2 10 0.00  
20 62 49 35 37 32 28 76 56 36 30.26 30.21 30.16 10 10 9 9 3 12 0.00  
21 64 50 36 39 34 28 76 58 39 30.21 30.16 30.11 10 9 7 10 3 15 0.00  
22 60 49 38 42 39 34 86 69 51 30.14 30.09 30.04 8 6 4 10 2 12 0.00  
23 56 53 49 49 46 41 89 74 59 30.12 30.06 30.00 10 4 1 17 3 21 0.04 Rain
24 58 55 51 51 49 48 93 85 77 30.23 30.15 30.07 10 4 2 12 2 14 0.01 Rain
25 66 58 50 54 51 48 100 84 67 30.22 30.15 30.07 10 5 2 10 3 14 0.00  
26 57 52 46 49 45 40 100 81 61 30.12 30.06 30.02 10 8 4 21 9 28 0.00  
27 55 47 38 42 38 34 85 68 50 30.22 30.17 30.12 10 10 10 14 6 17 0.00  
28 58 48 38 44 38 34 83 67 51 30.33 30.26 30.21 10 10 10 16 5 22 0.00  
29 56 48 39 46 40 36 86 71 55 30.39 30.35 30.31 10 10 7 12 4 16 0.00  
30 65 53 41 44 40 37 83 62 40 30.38 30.32 30.29 10 10 10 9 3 10 0.00  
31 62 52 41 45 41 36 82 67 51 30.32 30.27 30.21 10 9 6 8 4 10 0.00