Weather History for Half Moon Bay, CA

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Month of July, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 60 °F 57 °F
Mean Temperature 62 °F 56 °F 52 °F
Min Temperature 55 °F 53 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 12 9 4 265
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 6 2 199
Dew Point  
Dew Point 59 °F 54 °F 46 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 17 mph 6 mph 0 mph
Gust Wind 23 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.15 in 29.97 in 29.77 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 20, 2013 Rise Set
Actual Time 6:04 AM PDT 8:27 PM PDT
Civil Twilight 5:34 AM PDT 8:57 PM PDT
Nautical Twilight 4:57 AM PDT 9:34 PM PDT
Astronomical Twilight 4:17 AM PDT 10:14 PM PDT
Moon 6:36 PM PDT (7/20) 3:50 AM PDT (7/20)
Length of Visible Light 15h 22m
Length of Day
14h 22m
Waxing Gibbous, 94% of the Moon is Illuminated
Jul 20
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 0.04
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
64 | 53 0.00
Average:
64 | 50 0.00
Fog
Actual:
64 | 55 0.00
Average:
64 | 50 0.00
Partly Cloudy
Actual:
68 | 55 0.00
Average:
63 | 50 0.00
Fog
Actual:
64 | 55 0.00
Average:
64 | 50 0.00
Partly Cloudy
Actual:
57 | 55 0.00
Average:
64 | 50 0.00
Mostly Cloudy
Actual:
59 | 53 0.00
Average:
63 | 50 0.00
Overcast
Actual:
60 | 55 0.00
Average:
63 | 50 0.00
Mostly Cloudy
Actual:
59 | 55 0.00
Average:
63 | 50 0.02
Fog
Actual:
59 | 53 0.00
Average:
64 | 51 0.01
Mostly Cloudy
Actual:
59 | 51 0.00
Average:
63 | 50 0.00
Overcast
Actual:
57 | 51 0.00
Average:
63 | 51 0.00
Mostly Cloudy
Actual:
57 | 48 0.00
Average:
64 | 51 0.00
Partly Cloudy
Actual:
60 | 48 0.00
Average:
63 | 51 0.00
Mostly Cloudy
Actual:
59 | 53 0.00
Average:
64 | 51 0.00
Overcast
Actual:
59 | 50 0.00
Average:
63 | 51 0.00
Overcast
Actual:
62 | 53 0.00
Average:
63 | 52 0.00
Overcast
Actual:
60 | 53 0.00
Average:
64 | 52 0.00
Overcast
Actual:
57 | 53 0.00
Average:
64 | 52 0.00
Overcast
Actual:
57 | 53 0.00
Average:
64 | 52 0.00
Overcast
Actual:
57 | 51 0.00
Average:
63 | 52 0.00
Overcast
Actual:
59 | 51 0.00
Average:
63 | 52 0.01
Partly Cloudy
Actual:
60 | 55 0.00
Average:
63 | 51 0.00
Fog
Actual:
64 | 53 0.00
Average:
63 | 51 0.00
Fog
Actual:
62 | 53 0.00
Average:
63 | 52 0.00
Fog
Actual:
60 | 51 0.00
Average:
63 | 51 0.00
Mostly Cloudy
Actual:
60 | 53 0.00
Average:
63 | 51 0.00
Overcast
Actual:
59 | 53 0.00
Average:
64 | 52 0.00
Overcast
Actual:
59 | 53 0.00
Average:
63 | 52 0.00
Overcast
Actual:
62 | 55 0.00
Average:
64 | 52 0.00
Overcast
Actual:
59 | 55 0.00
Average:
64 | 52 0.00
Mostly Cloudy
Actual:
59 | 51 0.00
Average:
64 | 52 0.00
 

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
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 64 58 53 57 55 54 100 92 77 29.92 29.88 29.85 10 6 1 14 7 - 0.00  
2 64 60 55 57 56 55 100 94 77 29.98 29.94 29.88 9 3 0 12 6 - 0.00 Fog
3 68 62 55 59 57 55 100 92 73 29.96 29.89 29.82 10 7 1 9 5 - 0.00  
4 64 60 55 59 56 50 100 86 64 29.85 29.80 29.77 10 6 0 14 7 21 0.00 Fog
5 57 56 55 54 52 50 94 87 82 29.86 29.83 29.81 5 3 2 17 8 22 0.00  
6 59 56 53 54 53 50 100 89 82 29.87 29.83 29.81 7 4 1 13 7 16 0.00  
7 60 58 55 54 53 50 94 86 77 29.90 29.86 29.82 10 8 5 13 10 18 0.00  
8 59 57 55 55 53 50 94 88 82 30.01 29.96 29.90 10 9 2 10 8 16 0.00  
9 59 56 53 55 54 54 100 97 82 30.07 30.03 29.99 10 3 0 15 6 20 0.00 Fog
10 59 55 51 55 53 50 100 94 82 30.03 30.00 29.97 10 6 1 8 4 - 0.00  
11 57 54 51 52 51 50 100 89 82 30.00 29.98 29.96 10 6 2 8 3 - 0.00  
12 57 52 48 54 51 46 100 87 82 30.00 29.97 29.94 8 6 2 10 5 - 0.00  
13 60 54 48 54 52 46 100 90 77 30.02 29.98 29.94 7 4 2 10 6 - 0.00  
14 59 56 53 54 52 50 100 91 82 30.05 30.01 29.96 10 6 3 10 4 - 0.00  
15 59 54 50 55 52 50 100 90 82 29.97 29.94 29.90 10 7 2 9 5 - 0.00  
16 62 58 53 57 55 52 100 91 77 30.07 29.99 29.90 10 7 2 13 6 - 0.00  
17 60 56 53 55 54 52 100 91 82 30.14 30.10 30.06 10 9 5 14 7 - 0.00  
18 57 55 53 54 53 52 100 95 88 30.11 30.06 30.02 9 5 1 13 5 - 0.00  
19 57 55 53 54 53 52 100 94 88 30.01 29.96 29.91 5 4 1 10 2 - 0.00  
20 57 54 51 54 51 50 100 92 82 29.92 29.88 29.83 7 4 2 10 4 - 0.00  
21 59 55 51 54 53 50 100 95 82 29.93 29.86 29.82 10 6 2 12 8 - 0.00  
22 60 58 55 57 55 54 100 94 88 30.00 29.97 29.92 10 8 1 10 7 - 0.00  
23 64 58 53 57 55 54 100 93 77 30.05 30.02 29.98 10 7 0 8 4 - 0.00 Fog
24 62 58 53 57 55 54 100 94 77 30.03 30.00 29.96 10 5 0 10 4 - 0.00 Fog
25 60 56 51 55 54 52 100 95 82 30.08 30.03 29.98 10 5 0 8 3 - 0.00 Fog
26 60 56 53 55 54 54 100 95 82 30.14 30.09 30.06 10 6 2 9 4 - 0.00  
27 59 56 53 55 54 54 100 95 88 30.08 30.00 29.93 10 6 2 10 6 - 0.00  
28 59 56 53 55 54 54 100 93 82 29.93 29.90 29.88 8 4 2 10 7 - 0.00  
29 62 58 55 55 54 52 94 89 77 30.06 29.98 29.90 10 6 3 17 11 23 0.00  
30 59 57 55 54 53 52 94 86 77 30.14 30.10 30.05 10 7 3 10 8 - 0.00  
31 59 55 51 54 53 50 100 90 82 30.15 30.11 30.09 10 6 3 9 5 - 0.00