416
CXUS55 KBYZ 011315
CLMBIL

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
715 AM MDT MON JUN 01 2026

...................................

...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           95   05/13
LOWEST            28   05/06
AVG. MAXIMUM    72.5               66.9     5.6
AVG. MINIMUM    45.7               43.8     1.9
MEAN            59.1               55.3     3.8
DAYS MAX >= 90     2
DAYS MAX <= 32     0
DAYS MIN <= 32     2
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          1.94               2.36   -0.42
DAYS >= .01        7
DAYS >= .10        4
DAYS >= .50        1
DAYS >= 1.00       1
GREATEST
 24 HR. TOTAL   1.40   05/30 TO 05/31

SNOWFALL (INCHES)
TOTALS             T                0.9    -0.9
SINCE 7/1       40.9               57.4   -16.5
SNOWDEPTH AVG.     0
DAYS >= TRACE      2
DAYS >= 1.0        0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL    228                314     -86
 SINCE 7/1      5258               6665   -1407
COOLING TOTAL     54                 14      40
 SINCE 1/1        56                 15      41
................................................

WIND (MPH)
AVERAGE WIND SPEED              10.2
HIGHEST WIND SPEED/DIRECTION    41/310    DATE  05/13
                                41/280          05/14
HIGHEST GUST SPEED/DIRECTION    61/260    DATE  05/13

AVERAGE RH (PERCENT)     48

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$