Summer 2008 Climate Information
Summer 2008 began on Friday, June 20, 2008 at 659 PM CDT,
and will officially end this year on Monday, September 22, 2008
at 1044 AM CDT, when the Fall of 2008 officially begins.
According to U.S. Naval Observatory data, the arrival of the
summer solstice this year on June 20th is the first time since
1896 that summer has come on the 20th of June. In all the other years
since 1896, the summer solstice came on June 21st or 22nd.
The next time that summer solstice will come on June 20th
will be in 2012.
The table below lists a climate summary
at Austin, Del Rio, and San Antonio
for June through September.
The average high and low, based on the latest 30 Year
Normals from 1971 to 2000, are listed for June, July,
August, and September. The All-Time High and All-Time
Low for each month is also listed.
For Precipitation,
the latest 30 Year Normal for 1971 to 2000 is shown under
Average Rainfall, and the All-Time Driest and Wettest
June, July, August and September of Climate Record is
shown.
Austin/Mabry
Month
|
High
|
Low
|
All time High
|
All time Low
|
Average Rainfall
|
All Time
Driest
|
All Time
Wettest
|
June
|
90.9
|
71.1
|
108
|
51
|
3.81
|
0
|
14.96
|
July
|
95.0
|
73.4
|
109
|
57
|
1.97
|
0
|
12.80
|
August
|
95.6
|
73.3
|
110
|
58
|
2.31
|
0
|
10.88
|
September
|
90.1
|
68.8
|
112
|
41
|
2.91
|
0
|
20.78
|
Austin/Bergstrom
Month
|
High
|
Low
|
All time High
|
All time Low
|
Average Rainfall
|
All Time
Driest
|
All Time
Wettest
|
June
|
91.1
|
71.8
|
109
|
56
|
3.42
|
Trace
|
15.59
|
July
|
95.2
|
74.0
|
106
|
62
|
2.03
|
0
|
9.77
|
August
|
95.3
|
73.6
|
108
|
60
|
2.51
|
Trace
|
8.91
|
September
|
90.1
|
68.9
|
112
|
45
|
2.88
|
0.02
|
9.36
|
Del Rio
Month
|
High
|
Low
|
All time High
|
All time Low
|
Average Rainfall
|
All Time
Driest
|
All Time
Wettest
|
June
|
93.7
|
72.1
|
112
|
49
|
2.34
|
Trace
|
13.71
|
July
|
96.2
|
74.3
|
111
|
63
|
2.02
|
Trace
|
13.18
|
August
|
96.0
|
74.1
|
109
|
62
|
2.16
|
0
|
20.93
|
September
|
90.6
|
69.4
|
110
|
43
|
2.06
|
Trace
|
15.79
|
San Antonio
Month
|
High
|
Low
|
All time High
|
All time Low
|
Average Rainfall
|
All Time Driest
|
All Time
Wettest
|
June
|
91.4
|
71.6
|
107
|
48
|
4.30
|
Trace
|
11.95
|
July
|
94.6
|
74.0
|
106
|
60
|
2.03
|
0
|
16.92
|
August
|
94.7
|
73.6
|
108
|
57
|
2.57
|
0
|
11.14
|
September
|
90.0
|
68.8
|
111
|
41
|
3.00
|
0.01
|
15.78
|
Summer Weather Summary
For Central and South Central Texas, July and August are
nearly equally hot on average; however, the extremes
for the summer show September 5, 2000 as the hottest day
for Austin and San Antonio and June 9, 1988 the hottest
day at Del Rio from June to September.
One of the hottest 5 day periods of any summer came
September 1st to 5th, 2000. On September 5, 2000
the all time record highs of 112 came at Austin
Mabry and Austin Bergstrom, with 111 at San Antonio.
The all time high at Del Rio was 112 on June 9, 1988.
In Year 2000 the hottest day at Del Rio was 110 on
September 6th, 2000.
At the end of summer in mid to late September, the coolest
lows for the summer season was 45 at Austin Mabry September 18, 1903;
47 at Austin Bergstrom September 19, 1981; and 46 at San Antonio
September 19, 1981. At Del Rio the coolest lows were 51
September 20, 1971 and 50 September 21, 1913.
July 1980 and July 1998 ties as the warmest month and July
on record for San Antonio. July 1998 was by far the warmest
month and July for Del Rio, with July 1980 coming in as the second
warmest July at Del Rio. At Austin the warmest month and July of
record was July of 1860. During the hot summer of 1998, July
was the 4th warmest July at Austin Mabry and 6th warmest July
at Austin Bergstrom.
Moderated temperatures have come in the summer also, as this was
common in recent years in the summers of 2004 and 2007. After the
heavy rains and flooding from late June to Mid July 2002, conditions
moderated somewhat for a few weeks, and then the days warmed up
again in August to the early part of September 2002.
In July of 1976 the area was affected by a rainy
period from early July to around July 20th. July 1976 was the
coolest July of record for Del Rio and Austin Bergstrom.
At San Antonio July of 1976 ties with July 1903 for the
coolest July of record.
At Austin Mabry July 1976 was the 4th coolest July.
July 1907 was the coolest of record for the
Austin City climate location, now Austin Mabry.
Although many summers over parts of Central and South Central
Texas have been hot and dry, like any other season of the
year, some summers have been very wet with flooding.
Click Here to See a Summary of
a few Summer Floods from the past.
Although cold frontal passages are not as common in the summer,
in some years cold fronts made it across the
region. In late June of 1974 and late June of 1976 a cool front
moderated temperatures for several days. In July of 1990, a weak
cool front made its way across the area July 12th. This was followed
by increasing clouds and rain the following weekend of July 14 and 15, 1990
through Monday, July 16, 1990. Cool fronts moving across the area in
August of 1974 and August of 1992 brought scattered
rains to the region. A strong cold front in early June of 1919
left lows on June 3rd, 1919 of 48 at San Antonio, 49 at Del Rio,
and 52 at Austin. Another strong cold front in early June of 1926
left a low of 51 at Austin on June 6th, 1926. A strong cold front in late August
of 1915 left lows of 58 at Austin and San Antonio, and 60 at Del Rio
on August 31st, 1915.
To view the sunrise and sunset for a
specific date and location,
See Complete Sun and Moon Data for One Day from the U.S. Naval Observatory.
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