June 2024 Climate Summary for Northern and Eastern Maine

Warmest June on Record in Caribou

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Public Information Statement

National Weather Service Caribou ME

606 PM EDT Tue Jul 2 2024

...JUNE 2024 CLIMATE NARRATIVE FOR NORTHERN/EASTERN MAINE...

JUNE 2024 FINISHED WITH SIGNIFICANTLY ABOVE AVERAGE TEMPERATURES AND 

NEAR AVERAGE RAINFALL FOR THE REGION AS A WHOLE.

TEMPERATURES ACROSS THE REGION RANGED FROM AROUND 3.0 DEGREES (F)

ABOVE THE 30-YEAR 1991-2020 NORMALS OVER DOWNEAST AREAS UPWARDS 

TO 4.0 DEGREES ABOVE AVERAGE ACROSS THE NORTH. IN CARIBOU, IT WAS 

THE WARMEST JUNE ON RECORD (65.1 DEGREES), BEATING THE OLD RECORD 

FROM 2021 BY 0.2 DEGREES. RECORDS IN CARIBOU DATE BACK TO 1939. 

MILLINOCKET AND HOULTON BOTH HAD THEIR 6TH WARMEST JUNE ON RECORD.

MEANWHILE, BANGOR HAD ITS 11TH WARMEST JUNE ON RECORD.

INTERMITTENT WARM TO HOT SPELLS ON THE 4TH-7TH AND 18TH-20TH WERE 

BROKEN BY PERIODS OF NEAR TO SLIGHTLY BELOW AVERAGE TEMPERATURES. 

THE HIGHLIGHT OF THE MONTH OCCURRED ON LOW TERRAIN LOCATIONS ACROSS 

THE NORTH AND CENTRAL ON THE 19TH AND CENTRAL AND DOWNEAST AREAS ON 

THE 20TH WHEN NEAR RECORD OR RECORD HIGH TEMPS OF MID TO UPPER 90S 

OCCURRED. THE HIGH TEMPERATURE OF 96 DEGREES AT CARIBOU ON THE 19TH 

TIED THE ALL TIME RECORD OF 96 (SINCE RECORDS BEGAN THERE IN 1939), 

INTERESTINGLY LAST SET ON THE SAME DATE JUST 4 YEARS PRIOR IN 2020.

FURTHERMORE, THE CALENDAR DAY LOW OF 71, WHICH TIED THE WARMEST LOW 

OF RECORD AT CARIBOU, MEANT THAT JUNE 19TH 2024 AVERAGE TEMP OF 83.5 

DEGREES WAS ALSO THE HOTTEST AVERAGE TEMPERATURE DAY OF RECORD AT 

CARIBOU. OTHER DATES CARIBOU REACHED 96 DEGREES INCLUDE MAY 22ND 

1977 AND JUNE 29TH 1944. BASED ON LONGER EXISTING CLIMATE RECORDS 

NEARBY CARIBOU, HIGH TEMPS AT CARIBOU MAY HAVE BEEN SEVERAL DEGREES 

HIGHER IN MID TO LATE AUGUST 1935 HEAT WAVE.

RAINFALL FOR THE REGION RANGED FROM 75 TO 90 PERCENT OVER DOWNEAST 

AND CENTRAL PORTIONS OF THE REGION UPWARDS TO 110 TO 125 PERCENT OF 

NORMAL OVER THE NORTH. BUT EVEN ACROSS THE NORTH WHERE THE VAST 

MAJORITY OF RAINFALL WAS CONCENTRATED FROM THE 9TH-11TH AND THE 

23RD, MONTHLY EVAPORATION JUST UNDER 6 INCHES RESULTED IN DRY 

GROUNDS AND PATCHY BROWN LAWNS AT TIMES DURING THE MONTH WITH EVEN 

DRIER CONDITIONS OVER CENTRAL AND INTERIOR DOWNEAST AREAS.

ON JUNE 6TH, A SMALL AREA OF MODERATE DROUGHT (D1) WAS PRESENT NEAR 

THE QUEBEC BORDER IN WESTERN AROOSTOOK COUNTY PER THE US DROUGHT 

MONITOR. ABNORMALLY DRY (D0) CONDITIONS WERE PRESENT OVER THE 

REMAINDER OF NORTHERN AROOSTOOK COUNTY ALONG WITH NORTHWESTERN 

PISCATAQUIS AND NORTHERN SOMSERSET COUNTIES. BY JUNE 27TH, NO PART 

OF THE AREA WAS UNDER D1. THE AREA UNDER D0 HAD SHRUNK IN NORTHERN 

AROOSTOOK COUNTY, ALONG WITH VERY SMALL PORTIONS OF PISCATAQUIS AND 

SOMERSET COUNTIES.

THE CLIMATE PREDICTION CENTER'S FORECAST FOR JULY 2024 INDICATES 

SIGNIFICANTLY GREATER ODDS OF ABOVE AVERAGE TEMPERATURES WITH EQUAL 

CHANCES OF BELOW, AVERAGE, OR ABOVE AVERAGE RAINFALL. NORMAL JULY 

LOW TEMPERATURES FOR THE REGION ARE 55 TO 60 DEGREES AND NORMAL HIGH 

TEMPEARTURES OF UPPER 70S TO AROUND 80 DEGREES.

$$

NC/CB/VJN