Yearly Climatic Summary for Sioux Falls, SD

...SIOUX FALLS 2013 WEATHER...

 

 MONTH        AVERAGE                 DEPARTURE  EXTREMES   MONTHLY

             MAX   MIN      MONTHLY   FROM NORM  HIGH LOW   RECORDS

 

JANUARY      26.9  8.0        17.5    PLUS  0.9  46   -9

FEBRUARY     30.3 12.7        21.5            0  44   -8

MARCH        36.7 18.4        27.5    MINUS 5.4  66    6

APRIL        49.5 29.1        39.3    MINUS 7.1  85   15    2ND COLDEST

                                                            3RD SNOWIEST

MAY          67.3 47.0        57.2    MINUS 0.8  94   24    3RD SNOWIEST

JUNE         77.0 56.9        66.9    MINUS 0.9  88   42

JULY         82.7 61.6        72.2    MINUS 0.8  92   44    9TH DRIEST

AUGUST       81.7 61.6        71.7    PLUS  1.0  93   49

SEPTEMBER    78.6 55.3        66.9    PLUS  5.6  91   35    7TH WARMEST

OCTOBER      57.9 37.4        47.6    MINUS 0.3  80   24

NOVEMBER     43.7 20.0        31.8    MINUS 0.8  60   -1

DECEMBER     21.1  2.2        11.6    MINUS 7.6  48  -19

 

 2013        54.5 34.2        44.3    MINUS 1.5  94  -19

 

                 DEPARTURE                DEPARTURE     MAX WIND GUST

   MONTH         FROM NORM     SNOWFALL   FROM NORM   DIRECTION/MPH/DATE

 

JANUARY   0.41  MINUS 0.15         2.1    MINUS 5.6   NW 51 ON 19TH

FEBRUARY  0.94   PLUS 0.34         9.6    PLUS  2.7   NW 48 ON  2ND

MARCH     0.88  MINUS 0.88         1.5    MINUS 6.9   NW 46 ON 18TH

APRIL     3.13   PLUS 0.12        14.8    PLUS 10.2   NE 51 ON  9TH

MAY       6.95   PLUS 3.55         1.5    PLUS  1.5    S 47 ON 19TH

JUNE      4.28   PLUS 0.36                             S 43 ON 14TH

JULY      0.60  MINUS 2.49                             S 38 ON 12TH

AUGUST    3.23   PLUS 0.18                             N 45 ON 31ST

SEPTEMBER 0.77  MINUS 2.00                             S 43 ON 26TH

OCTOBER   3.01   PLUS 0.84         0.4   MINUS 0.9     S 46 ON 11TH

NOVEMBER  0.46  MINUS 0.90         7.5    PLUS 0.1     S 46 ON  3RD

DECEMBER  1.13   PLUS 0.44        12.6   PLUS  4.4    NW 44 ON 28TH

 

 2013    25.79  MINUS 0.59        50.0   PLUS  5.5    NE 51 APR 9TH

 

SIOUX FALLS WEATHER FOR THE YEAR 2013 HAD BELOW NORMAL TEMPERATURES

AND SLIGHTLY BELOW NORMAL PRECIPITATION. THE BIGGEST EVENT OF THE

YEAR WAS THE SEVERE ICE STORM ON THE MORNING OF APRIL 9TH...

ACCOMPANIED BY LIGHTNING AND THUNDER...HEAVY RAINFALL AND WIND GUSTS

OF 40 TO 50 MPH. ONE HALF INCH OF RAIN FELL...ALL OF IT FREEZING WITH

TEMPERATURES OF 30 OR 31 DEGREES...BETWEEN 5 AND 7 AM CDT. A PEAK

WIND GUST OF 51 MPH FROM THE NORTHEAST OCCURRED AT 650 AM CDT...THE

HIGHEST GUST OF THE YEAR. ICE AND WIND COMBINED TO PRODUCE

CONSIDERABLE DAMAGE TO TREES AND PRIVATE PROPERTY. NUMEROUS TREE

LIMBS WERE FELLED AND IN SOME CASES WHOLE TREES TOPPLED OVER. THE

CLEAN UP OF THE BRANCHES BY THE CITY WAS NAMED OPERATION TIMBER STRIKE.

THE OPERATION TOOK OVER TWO MONTHS AND MILLIONS OF DOLLARS TO CLEAN UP.

 

THE AVERAGE TEMPERATURE FOR THE YEAR WAS 44.3 DEGREES WHICH IS 1.5

DEGREES BELOW NORMAL. THIS IS THE COOLEST YEAR SINCE 1997 WHEN THE

AVERAGE TEMPERATURE WAS 43.9 DEGREES...AND 6.2 DEGREES COOLER THAN

2012 AT 50.5 DEGREES. THE AVERAGE HIGH FOR THE YEAR WAS 54.5 DEGREES

AND THE AVERAGE LOW WAS 34.2 DEGREES. THERE WERE 11 DAYS OF 90

DEGREES OR MORE INCLUDING FOUR IN A ROW FROM AUGUST 26TH THROUGH THE

29TH. 94 DEGREES ON MAY 14TH WAS THE HOTTEST DAY OF THE YEAR. THE

YEAR HAD A TOTAL OF 80 DAYS WITH HIGHS OF 32 DEGREES OR LESS...AND

185 DAYS WITH LOWS OF 32 DEGREES OR LESS. A TOTAL OF 25 DAYS HAD LOW

TEMPERATURES OF ZERO DEGREES OR COLDER. THE COLDEST DAY OF THE YEAR

OCCURRED ON DECEMBER 7TH AT 19 DEGREES BELOW ZERO.

 

PRECIPITATION FOR THE YEAR WAS 25.79 INCHES WHICH WAS 0.59 INCHES

BELOW NORMAL...AND 8.45 INCHES MORE THAN THE PREVIOUS YEAR WHEN

17.34 INCHES FELL. MAY WAS THE WETTEST MONTH WITH 6.95 INCHES AND

THE WETTEST DAY OCCURRED ON OCTOBER 14TH WITH 2.27 INCHES. THERE WAS

A TOTAL OF 108 DAYS OF MEASURABLE PRECIPITATION...A HUNDRETH OF AN

INCH OR MORE...A TOTAL OF 46 DAYS WITH A TENTH OF AN INCH OR MORE

...14 DAYS WITH A HALF INCH OR MORE AND 7 DAYS WITH AN INCH OR

MORE.

 

THE YEAR STARTED OFF WITH NEAR TO SLIGHTLY ABOVE NORMAL TEMPERATURES

FOR THE MONTHS OF JANUARY AND FEBRUARY. JANUARY HAD ONLY 2.1 INCHES

OF SNOW...INCREASING TO 9.6 INCHES IN FEBRUARY. A TOTAL OF 6.3

INCHES FELL DURING A STORM ON FEBRUARY 21ST AND 22ND.

 

SPRING WAS DELAYED BY MUCH BELOW NORMAL TEMPERATURES DURING THE

MONTHS OF MARCH AND APRIL. THE AVERAGE TEMPERATURE FOR THIS TWO

MONTH PERIOD WAS 33.3 DEGREES WHICH TIES FOR 6TH COLDEST IN 1975.

THE COLDEST MARCH/APRIL PERIOD OCCURRED IN 1899 WITH AN AVERAGE

TEMPERATURE OF 30.4 DEGREES. WITH AN AVERAGE TEMPERATURE OF 39.3

DEGREES...APRIL 2013 IS THE SECOND COLDEST ON RECORD. APRIL 1950 WAS

THE COLDEST AT 37.8 DEGREES. NOTABLE COOL SPELLS OCCURRED BETWEEN

MARCH 16TH AND 26TH WHEN THE AVERAGE TEMPERATURE OF 22.8 DEGREE WAS

12.3 DEGREES BELOW NORMAL...AND FROM APRIL 9TH THROUGH THE 25TH WITH

AN AVERAGE TEMPERATURE OF 32.8 DEGREES WHICH WAS 14.4 DEGREES BELOW

NORMAL. BEGINNING ON APRIL 25TH TEMPERATURES BEGAN A WARMUP WITH

HIGHS IN THE 70S OR BETTER THE LAST FIVE DAYS OF THE MONTH. 85

DEGREES WAS THE WARMEST WHICH OCCURRED ON THE 28TH. A RECORD LOW WAS

BROKEN ON APRIL 20TH WITH A MINIMUM TEMPERATURE OF 16 DEGREES.

RECORD LOW MAXIMUM TEMPERATURES WERE SET ON APRIL 18TH WITH 32

DEGREES AND APRIL 23RD AT 34 DEGREES. MARCH PRECIPITATION WAS HALF

OF NORMAL WITH MUCH OF IT FALLING AS 0.76 INCHES OF RAIN ON THE 8TH

AND 9TH. APRIL HAD NEAR NORMAL PRECIPITATION WITH MUCH OF IT FALLING

...JUST OVER TWO INCHES...BETWEEN THE 9TH AND 11TH. ICE...SLEET AND

SNOW FELL ON THE 9TH WITH A TOTAL OF 1.42 INCHES LIQUID EQUIVALENT.

SNOWFALL FOR THE THREE DAY PERIOD TOTALED 7.2 INCHES. ADDITIONAL

SNOWS OF 2.9 INCHES FELL ON THE 18TH AND 4.6 INCHES ON THE 22ND. THE

TOTAL SNOWFALL FOR THE MONTH OF APRIL WAS 14.8 INCHES...MAKING IT

THE THIRD SNOWIEST ON RECORD. THE SNOWIEST APRIL ON RECORD OCCURRED

IN 1983 WITH 18.4 INCHES WHILE THE SECOND SNOWIEST APRIL OCCURRED IN

1994 WITH 14.9 INCHES.

 

THE MONTH OF MAY STARTED OUT COOL WITH A RECORD DAILY SNOWFALL OF

1.5 INCHES ON THE FIRST...MAKING IT THE THIRD SNOWIEST MAY ON

RECORD. TWO INCHES OF SNOW FELL DURING MAY 1943...AND THREE INCHES

FELL IN 1944. THE 1.5 INCHES OF SNOW WAS THE FIRST MEASURABLE

SNOWFALL IN THE MONTH OF MAY SINCE MAY 2ND 1976 WHEN A TENTH OF AN

INCH FELL. PRECIPITATION FOR THE MONTH ENDED UP NEARLY DOUBLE THE

NORMAL AT 6.95 INCHES. A TOTAL OF 4.1 INCHES OF RAIN FELL OVER A

THREE DAY PERIOD FROM THE 25TH THROUGH THE 27TH. CONTINUOUS

LIGHTNING AND VERY HEAVY RAIN FELL ON THE NIGHT OF THE 25TH AND 26TH

WITH A TOTAL OF 2.85 INCHES AT THE AIRPORT. MUCH OF SOUTHERN AND

WESTERN SIOUX FALLS MEASURED FROM FOUR TO FIVE PLUS INCHES. THE VERY

HEAVY RAIN BROUGHT FLASH FLOODING TO THE CITY. THE TEMPERATURE

AVERAGED 57.2 DEGREES FOR THE MONTH...NEARLY A DEGREE BELOW NORMAL.

THE HOTTEST DAY OF THE MONTH AND YEAR OCCURRED ON THE 14TH AT 94

DEGREES. THE HIGH OF 40 DEGREES ON THE 4TH BROKE THE RECORD FOR

COLDEST MAXIMUM TEMPERATURE.

 

THE HEAVIEST RAIN OF THE SUMMER MONTHS OF JUNE...JULY AND AUGUST

OCCURRED ON JUNE 8TH WITH A DAILY RECORD OF 1.87 INCHES. A BIT OF AN

ODDITY IS THAT NO LIGHTNING AND THUNDER OCCURRED...JUST A STEADY

RAIN THAT BEGAN AT 538 AM CDT AND CONTINUED THROUGH THE DAY AND

EVENING. DRY CONDITIONS DEVELOPED DURING LATE JUNE INTO AUGUST WITH

ONLY 1.12 INCHES TOTAL FROM JUNE 25 THROUGH AUGUST 9TH. THE 9TH

DRIEST JULY ON RECORD OCCURRED IN 2013 WITH ONLY 0.60 INCHES OF

RAIN. THE BIGGEST RAIN OF THE MONTH WAS 0.28 INCHES ON THE 20TH.

AUGUST SAW A BIT MORE RAIN WITH 1.90 INCHES ON THE 10TH AND 11TH.

THE STRONGEST THUNDERSTORM OF THE YEAR DEVELOPED AFTER DARK ON THE

LAST DAY OF AUGUST. CONTINUOUS AND SPECTACULAR LIGHTNING

ACCOMPANIED THE STORM...ALONG WITH HEAVY RAIN...HAIL AND HIGH WINDS.

THE SOUTHERN PORTION OF THE CITY RECEIVED DAMAGE FROM THE HAIL UP TO

BASEBALL IN SIZE AND HIGH WINDS. RAINFALL FOR THE MONTH OF AUGUST

TOTALED 3.23 INCHES. THE AVERAGE TEMPERATURE FOR THE SUMMER WAS 70.3

DEGREES...JUST A BIT BELOW THE AVERAGE OF 70.5 DEGREES. THE AVERAGE

HIGH FOR THE SUMMER WAS 80.5 DEGREES AND THE AVERAGE LOW 60 DEGREES.

A DAILY RECORD LOW OF 44 DEGREES WAS SET ON JULY 28TH...AND A DAILY

RECORD HIGH MIMIMUM TEMPERATURE OF 75 DEGREES WAS SET ON AUGUST 25TH.

 

WARM AND DRY WEATHER PREVAILED DURING SEPTEMBER...MAKING AREA

FARMERS HAPPY AFTER A LATE PLANTING SEASON. RAINFALL FOR THE MONTH

WAS ONLY 0.77 INCHES...TWO INCHES BELOW NORMAL. THE AVERAGE

TEMPERATURE FOR THE MONTH WAS 78.6 DEGREES...OR 5.6 DEGREES ABOVE

NORMAL.

 

OCTOBER AND NOVEMBER WERE BOTH SLIGHTLY BELOW NORMAL IN

TEMPERATURE. THE FIRST FREEZE OF THE SEASON OCCURRED OCTOBER 13TH

WITH A MORNING LOW OF 28 DEGREES...AND THE FIRST MEASURABLE

SNOWFALL OF FOUR TENTHS OF AN INCH FELL ON OCTOBER 22ND. A DAILY

RECORD RAINFALL OF 2.27 INCHES OCCURRED ON OCTOBER 14TH. THIS IS THE

FOURTH WETTEST OCTOBER DAY WITH 4.54 INCHES THE WETTEST ON RECORD. A

DAILY RECORD SNOWFALL OF 5.7 INCHES FELL ON NOVEMBER 5TH. NOVEMBER

6TH THROUGH THE END OF THE MONTH WAS DRY WITH ONLY 0.05 INCHES OF

PRECIPITATION AND 1.8 INCHES OF SNOW. ARCTIC HIGH PRESSURE MOVED

INTO THE AREA ON THE 22ND BRINGING THE FIRST SUB ZERO CHILL OF THE

SEASON AND A RECORD BAROMETRIC PRESSURE FOR THE MONTH OF NOVEMBER OF

30.96 INCHES ON THE 23RD.

 

DECEMBER WAS COLD AND SNOWY AS A SERIES OF ARCTIC FRONTS MOVED INTO

THE NORTHERN PLAINS. THE AVERAGE TEMPERATURE FOR THE MONTH WAS 11.6

DEGREES WHICH WAS 7.6 DEGREES BELOW NORMAL. THIS IS THE COLDEST

DECEMBER SINCE 2000 WHEN THE AVERAGE TEMPERATURE WAS ONLY 7.6

DEGREES. THE COLDEST DAY OF THE YEAR OCCURRED ON THE 7TH WHEN THE

MERCURY FELL TO 19 BELOW ZERO. A RECORD LOW MAXIMUM WAS TIED ON THE

6TH WITH A HIGH OF ONLY 3 BELOW ZERO. A TOTAL OF 13 DAYS DURING THE

MONTH HAD LOWS OF ZERO DEGREES OR COLDER AND SIX DAYS OF 10 BELOW OR

COLDER. SNOW FELL ON SEVERAL DAYS BUT WAS GENERALLY LIGHT AMOUNTS OF

TWO INCHES OR LESS. THE EXCEPTION WAS A 5.4 INCH SNOWFALL ON THE 4TH

FOR A STORM TOTAL OF 6.2 INCHES INCLUDING THE EVENING SNOW THAT

BEGAN ON THE 3RD. THE SIX INCHES OF SNOW DEPTH ON THE 5TH WAS THE

GREATEST OF THE YEAR. 



Return to News Archive

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.