San Antonio, TX

11:45 PM CST on February 21, 2018 (GMT -0600)
San Antonio International

Weather History for KSAT - May, 2013

Change the Weather History Date:

Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 83 °F 78 °F  
Max Temperature 92 °F 88 °F 98 °F (1939)
Min Temperature 74 °F 68 °F 52 °F (1892)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 15 0  
Since 1 July heating degree days 1206 1494  
Cooling Degree Days 18 13  
Month to date cooling degree days 199 227  
Year to date cooling degree days 460 486  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 70 °F    
Average Humidity 71    
Maximum Humidity 93    
Minimum Humidity 49    
Precipitation  
Precipitation 0.00 in 0.14 in 2.30 in (1914)
Month to date precipitation 0.92 2.57  
Year to date precipitation 7.57 10.53  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall T  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.74 in    
Wind  
Wind Speed 10 mph (SE)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 8 miles    
Events Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

May. 21, 2013 Rise Set
Actual Time 6:37 AM CDT 8:23 PM CDT
Civil Twilight 6:11 AM CDT 8:49 PM CDT
Nautical Twilight 5:39 AM CDT 9:21 PM CDT
Astronomical Twilight 5:06 AM CDT 9:55 PM CDT
Moon 4:53 PM CDT (5/21) 3:49 AM CDT (5/21)
Length of Visible Light 14h 38m
Length of Day
13h 45m
Waxing Gibbous, 84% of the Moon is Illuminated
May 21
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 75.9 °F - 70.0 °F 82% 29.77 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
1:51 AM 75.0 °F - 71.1 °F 87% 29.75 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
2:51 AM 75.0 °F - 71.1 °F 87% 29.74 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
3:51 AM 73.9 °F - 71.1 °F 91% 29.71 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
4:02 AM 73.4 °F - 71.6 °F 94% 29.77 in 8.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
4:31 AM 73.4 °F - 71.6 °F 94% 29.77 in 8.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
4:51 AM 73.9 °F - 71.1 °F 91% 29.71 in 8.0 mi ESE 10.4 mph - N/A   Mostly Cloudy
5:51 AM 75.0 °F - 72.0 °F 90% 29.71 in 9.0 mi SE 9.2 mph - N/A   Overcast
6:51 AM 75.0 °F - 72.0 °F 90% 29.73 in 6.0 mi SE 10.4 mph - N/A   Overcast
7:21 AM 75.2 °F - 71.6 °F 89% 29.81 in 5.0 mi SSE 10.4 mph - N/A   Overcast
7:51 AM 75.9 °F - 72.0 °F 87% 29.75 in 5.0 mi SSE 13.8 mph - N/A   Overcast
8:37 AM 78.8 °F - 71.6 °F 78% 29.82 in 7.0 mi SSE 19.6 mph 25.3 mph N/A   Overcast
8:51 AM 80.1 °F 83.6 °F 71.1 °F 74% 29.76 in 8.0 mi SSE 17.3 mph 24.2 mph N/A   Mostly Cloudy
9:33 AM 80.6 °F 83.9 °F 69.8 °F 70% 29.82 in 8.0 mi SSE 15.0 mph 26.5 mph N/A   Mostly Cloudy
9:51 AM 80.1 °F 83.2 °F 70.0 °F 71% 29.77 in 8.0 mi SSE 16.1 mph 24.2 mph N/A   Mostly Cloudy
10:51 AM 82.9 °F 87.0 °F 70.0 °F 65% 29.76 in 8.0 mi South 18.4 mph 27.6 mph N/A   Mostly Cloudy
11:51 AM 86.0 °F 90.7 °F 70.0 °F 59% 29.76 in 8.0 mi SSE 15.0 mph - N/A   Mostly Cloudy
12:51 PM 87.1 °F 92.0 °F 70.0 °F 57% 29.75 in 8.0 mi SSE 15.0 mph - N/A   Mostly Cloudy
1:51 PM 87.1 °F 92.0 °F 70.0 °F 57% 29.74 in 8.0 mi South 12.7 mph - N/A   Overcast
2:51 PM 89.1 °F 95.0 °F 71.1 °F 55% 29.73 in 7.0 mi South 11.5 mph 17.3 mph N/A   Mostly Cloudy
3:51 PM 91.9 °F 97.4 °F 70.0 °F 48% 29.70 in 7.0 mi South 9.2 mph 16.1 mph N/A   Scattered Clouds
4:51 PM 91.0 °F 96.6 °F 70.0 °F 50% 29.67 in 8.0 mi SSW 8.1 mph - N/A   Scattered Clouds
5:51 PM 90.0 °F 95.4 °F 70.0 °F 52% 29.65 in 7.0 mi SE 9.2 mph - N/A   Mostly Cloudy
6:51 PM 90.0 °F 94.5 °F 69.1 °F 50% 29.65 in 7.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
7:51 PM 87.1 °F 92.8 °F 71.1 °F 59% 29.68 in 7.0 mi North 3.5 mph - N/A   Scattered Clouds
8:51 PM 84.9 °F 90.1 °F 71.1 °F 63% 29.70 in 7.0 mi ENE 3.5 mph - N/A   Scattered Clouds
9:51 PM 82.9 °F 87.5 °F 71.1 °F 67% 29.73 in 8.0 mi Calm Calm - N/A   Scattered Clouds
10:24 PM 82.4 °F 85.4 °F 68.0 °F 62% 29.82 in 9.0 mi NNE 13.8 mph 23.0 mph N/A   Overcast
10:51 PM 80.1 °F 81.7 °F 64.0 °F 58% 29.79 in 10.0 mi NNE 16.1 mph 23.0 mph N/A   Overcast
11:39 PM 75.2 °F - 60.8 °F 61% 29.87 in 10.0 mi NNE 13.8 mph 24.2 mph N/A Thunderstorm Thunderstorm
11:51 PM 75.9 °F - 60.1 °F 58% 29.82 in 10.0 mi NNE 15.0 mph 24.2 mph N/A Thunderstorm Thunderstorm