Climatological Report (Monthly)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
990
CXUS55 KBYZ 011135
CLMMLS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
528 AM MDT SUN JUN 01 2025
...................................
...THE MILES CITY MT CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2025
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 92 05/11
LOWEST 33 05/02
AVG. MAXIMUM 72.4 68.1 4.3
AVG. MINIMUM 45.7 42.9 2.8
MEAN 59.0 55.5 3.5
DAYS MAX >= 90 3
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
TOTALS 1.00 2.73 -1.73
DAYS >= .01 10
DAYS >= .10 3
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.48 05/18 TO 05/19
DEGREE DAYS
HEATING TOTAL 208 310 -102
SINCE 7/1 7040 7485 -445
COOLING TOTAL 30 15 15
SINCE 1/1 30 16 14
................................................
WIND (MPH)
AVERAGE WIND SPEED 10.8
HIGHEST WIND SPEED/DIRECTION 41/330 DATE 05/12
HIGHEST GUST SPEED/DIRECTION 57/320 DATE 05/12
AVERAGE RH (PERCENT) 59
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 4
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 7 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.
&&
THIS IS AN AUTOMATED...UNATTENDED WEATHER STATION AND MAY
UNDERESTIMATE WINTER PRECIPITATION.
...MAY 2025 MONTH IN REVIEW FOR MILES CITY...
BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR MILES CITY FOR MAY 2025. ALL TEMPERATURES ARE IN
DEGREES FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1991 TO 2020. MONTHLY RANKINGS
FOR PRECIPITATION AND TEMPERATURES USE A PERIOD OF RECORD
THAT STARTED IN FEBRUARY 1937 AT THE MILES CITY AIRPORT.
NUMBERS DENOTED WITH AN * IS MISSING DATA IN THE CALCULATION.
...MILES CITY MONTHLY PRECIPITATION...
MONTH 2025 VALUES NORMALS DEPARTURE RANKING
MAY 0.16 2.73 -2.57 10TH WETTEST OUT OF 89 YEARS
(RECORD WETTEST WAS 1.31 IN 2008)
(WETTEST SINCE 0.26 IN 2018)
...MILES CITY MAY 2025 BROKEN OR TIED DAILY PRECIPITATION RECORDS...
NONE
NOTE: SINCE THE LATE 1990S...MILES CITY BECAME AN AUTOMATED AND UNATTENDED
WEATHER STATION. PRECIPITATION AMOUNTS IN THE WINTER MAY BE UNDERESTIMATED.
...MILES CITY AVERAGE TEMPERATURES...
MONTH 2025 VALUES NORMALS DEPARTURE RANKING
MAY M 55.5 M NOT AVAILABLE
...MILES CITY AVERAGE HIGH TEMPERATURES...
MONTH 2025 VALUES NORMALS DEPARTURE RANKING
MAY M 68.1 M NOT AVAILABLE
...MILES CITY MAY 2025 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...
NONE
...MILES CITY MAY 2025 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...
NONE
...MILES CITY AVERAGE LOW TEMPERATURES...
MONTH 2025 VALUES NORMALS DEPARTURE RANKING
MAY M 42.9 M NOT AVAILABLE
...MILES CITY MAY 2025 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...
NONE
...MILES CITY MAY 2025 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...
NONE
$$