San Francisco, CA

12:29 PM PDT on October 17, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - May, 2013

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 68 °F 60 °F
Mean Temperature 73 °F 61 °F 55 °F
Min Temperature 59 °F 52 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 10 5 0 160
Cooling Degree Days (base 65) 8 1 0 23
Growing Degree Days (base 50) 22 10 5 322
Dew Point  
Dew Point 56 °F 46 °F 21 °F
Precipitation  
Precipitation 0.01 in 0.00 in 0.00 in 0.01 in
Snowdepth - - - -
Wind  
Wind 48 mph 15 mph 0 mph
Gust Wind 56 mph 28 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.21 in 30.02 in 29.58 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

May. 01, 2013 Rise Set
Actual Time 6:13 AM PDT 7:59 PM PDT
Civil Twilight 5:45 AM PDT 8:28 PM PDT
Nautical Twilight 5:11 AM PDT 9:02 PM PDT
Astronomical Twilight 4:35 AM PDT 9:38 PM PDT
Moon 1:13 AM PDT (5/1) 11:58 AM PDT (5/1)
Length of Visible Light 14h 42m
Length of Day
13h 46m
Waning Gibbous, 58% of the Moon is Illuminated
May 1
Waning Gibbous
May 2
Last Quarter
May 9
New
May 17
First Quarter
May 24
Full

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 78 67 55 46 37 25 67 41 15 30.10 29.99 29.87 10 10 10 24 8 28 0.00  
2 89 73 56 51 35 21 67 40 12 30.16 30.12 30.09 10 10 9 17 5 21 0.00  
3 85 71 56 56 40 23 72 41 10 30.09 29.94 29.81 10 10 10 22 9 26 0.00  
4 84 69 54 56 47 42 77 51 24 29.80 29.67 29.58 10 10 9 28 10 36 0.00  
5 70 63 56 48 46 44 67 56 44 29.82 29.70 29.62 10 10 10 28 12 33 T Rain
6 70 65 59 51 48 46 72 59 45 29.98 29.88 29.82 10 10 10 18 8 24 T Rain
7 71 62 53 52 49 47 89 67 44 30.07 30.02 29.97 10 10 10 17 9 25 0.00  
8 61 57 53 50 48 46 89 76 62 30.17 30.12 30.06 10 10 10 23 13 28 0.00  
9 62 57 52 47 46 45 77 69 60 30.21 30.17 30.13 10 10 10 28 16 32 0.00  
10 60 56 51 49 48 46 89 77 64 30.21 30.18 30.15 10 10 5 26 14 31 0.00  
11 69 60 51 53 49 48 89 71 52 30.18 30.11 30.07 10 10 8 26 11 30 0.00  
12 69 61 53 53 50 48 89 69 49 30.17 30.11 30.05 10 10 10 28 14 32 0.00  
13 65 58 51 52 49 46 89 73 56 30.12 30.05 29.98 10 10 10 29 16 36 0.00  
14 65 59 53 48 46 43 77 63 48 30.04 29.99 29.96 10 10 10 28 15 32 0.00  
15 62 57 52 50 46 42 89 69 48 30.09 30.05 30.02 10 10 10 39 22 48 0.00  
16 64 59 54 54 50 47 89 75 60 30.06 30.03 30.00 10 10 10 30 18 35 0.00  
17 64 59 53 48 46 44 77 65 52 30.10 30.05 30.00 10 10 10 26 16 32 0.00  
18 67 60 52 49 47 45 83 66 48 30.16 30.12 30.09 10 10 10 39 19 46 0.00  
19 75 63 51 50 46 43 83 58 33 30.14 30.08 30.00 10 10 10 30 12 35 0.00  
20 83 68 53 53 46 41 77 51 25 30.01 29.99 29.95 10 10 10 25 11 33 0.00  
21 63 56 49 47 44 40 77 63 48 30.02 29.98 29.94 10 10 10 48 28 56 0.00  
22 62 55 48 42 37 31 74 55 36 30.04 30.00 29.94 10 10 10 36 18 41 0.00  
23 62 55 48 43 41 40 80 63 46 30.03 30.00 29.94 10 10 10 31 20 39 0.00  
24 62 56 49 43 42 40 80 63 46 30.03 30.01 29.98 10 10 10 33 18 44 0.00  
25 60 55 50 48 44 43 83 67 51 30.07 30.03 29.99 10 10 10 35 20 45 0.00  
26 66 60 53 51 49 48 93 75 56 30.16 30.12 30.08 10 9 4 30 18 33 0.00  
27 62 58 54 54 51 48 89 79 69 30.15 30.11 30.01 10 10 7 20 10 23 0.01 Rain
28 65 60 55 54 51 49 86 73 60 30.02 29.99 29.96 10 10 10 25 12 31 0.00  
29 65 59 52 52 48 45 80 68 56 30.00 29.97 29.93 10 10 10 31 16 37 0.00  
30 65 58 51 46 45 43 83 66 48 30.02 29.99 29.96 10 10 10 33 20 40 0.00  
31 74 62 50 49 45 43 80 57 33 30.03 29.99 29.94 10 10 9 30 14 35 0.00