June 2012 Climate Report for Puerto Rico and the U.S. Virgin Islands

 June 2012 was a month of extremes across Puerto Rico and the U.S. Virgin Islands. Over the course of the month, a total of 14 climate records were either tied or broken at the official reporting sites in San Juan, Saint Thomas and Saint Croix.

June 2012 Highlights

Warmest June on Record

San Juan

Month and year/ Temperature

Saint Thomas

Month and year/ Temperature

Saint Croix

Month and year/ Temperature

June 2012 85.7ºF

June 1979 &1994 86.4ºF

June 1980 85.6ºF

June 1983 85.4ºF

June 1996 86.2ºF

June 1972 85.0ºF

June 1980 85.1ºF

June 1995 85.7ºF

June 1998 84.5ºF

Hottest Month of Any Given Year

San Juan

Month and year/ Temperature

Saint Thomas

Month and year/ Temperature

Saint Croix

Month and year/ Temperature

June 2012 85.7ºF

September 1995 86.6ºF

July & August 1989 86.5ºF

June 1983 85.4ºF

August 1994 86.5ºF

June 1980 85.6ºF

June & July 1980 85.1ºF

June 1979 86.4ºF

September 1993 85.3ºF

Driest June On Record

San Juan

Month and Year/ Precipitation

Saint Thomas

Month and Year/ Precipitation

Saint Croix

Month and Year/ Precipitation

June 2012 0.16"

June 2007 0.07"

June 2001 0.10"

June 1985 0.29"

June 2012 0.08"

June 1985 0.12"

June 1997 0.98"

June 2003 0.18"

June 2012 0.26"

Additional Broken Records

Location

Record Type

New Record/Date

Old Record/Date

San Juan Airport

Record High Temperature

A record high temperature of 94ºF was set on June 12th.

This tied the old record of 94ºF set back on June 12th 1979.

San Juan Airport

Record High Temperature

A record high temperature of 95ºF was set on June 13th.

This broke the old record of 93ºF set back on June 13th 1997.

San Juan Airport

Record High Temperature

A record high temperature of 94ºF was set on June 15th.

This tied the old record of 94ºF on June 15th 2005.

San Juan Airport

Driest Month

June 2012 ended as the fifth driest month of any given year with 0.16".

March 2005 ended as the driest month of any given year with 0.00".

San Juan Airport

Monthly Frequency

June 2012 ended as the month with the most 90 degree days.

This tied August 1982 when there were 30 days.

San Juan Airport

Monthly Frequency

June 2012 ended as the month of June with the most 80 degree nights.

This broke the old record of June 1983 when there were 7 nights.

Saint Thomas Airport

Warmest Month

June 2012 ended as the eight warmest June on record with an average temperature of 84.1ºF

June 1979 ended as the warmest June on record with an average temperature of 86.4ºF

Saint Thomas Airport

Driest Month

June 2012 ended as the fourth driest month of any given year with 0.08".

March 2008 ended as the driest month of any given year with 0.01".

Saint Croix Airport

Driest Month

June 2012 ended as the eleventh driest month of any given year with 0.26".

April 1988 ended as the driest month of any given year with 0.00".

Other notable temperatures and precipitation amounts

 

Notable June 2012 High's

Notable June 2012 Low's

 96ºF   June 7th   Levittown

 56ºF   June 20th   Adjuntas AES

 93ºF   June 13th   Levittown

 58ºF   June 15th   Adjuntas AES

 

Puerto Rico

Virgin Islands

Highest 24 hr Precip Total

1.59"   June 18th   Ensenada 

 0.21"   June 29th   East Hill

Highest Weekly Rainfall Accum.

2.70"   June 16th-22nd   Juncos 1NNE     

 0.23"   June 23rd-29th   East Hill

June 2012 Statistics

 Average June Temperatures/Precipitation (NCDC 1981-2010 averages):

 

San Juan

Saint Thomas

Saint Croix

High

88.9°F

89.3°F

87.9°F

Low

77.7°F

77.7°F

78.1°F

Avg. T

83.3°F

83.5°F

83.0°F

Pcpn.

4.41’’

2.53’’

2.31’’

  June 2012 Observations:

 

San Juan

Saint Thomas

Saint Croix

High

92.4°F(+3.5°F)

 88.5°F(-0.8°F)

88.1°F(+0.2°F)

Low

78.9°F(+1.2°F)

 79.7°F(+2.0°F)

76.9°F(-1.2°F)

Avg. T

85.7°F(+2.4°F)

84.1°F(+0.6°F)

82.5°F(-0.5°F)

Pcpn.

0.16"(-4.25")

0.08"(-2.45")

0.26"(-2.05")

 June 2012 extremes:

 

San Juan

Saint Thomas

Saint Croix

High

 95°F June 22nd, 21st and 13th

91°F June 9th 

89°F June 30th. 29th and 28th 

Low

77°F June 26th and 5th 

 77°F June 5th and 4th

 72°F June 4th

 Rainfall Accumulations Year to Date (YTD)    

 

  Figure A – Graphical Display of June 2012 precipitation across Puerto Rico and the U.S. Virgin Islands derived from a combination of rain gage and radar data.

 

Figure B – Graphical Display of YTD precipitation across Puerto Rico and the U.S. Virgin Islands derived from a combination of rain gage and radar data  

      

Coloso Rincon Calero Camp Isabella AES Mora Camp Borinquen Airport Guajataca Dam Arecibo Observatory Dos Bocas Manati 2E Palmarejo Morovis Corozal AES Negro Corozal Toa Baja Levittown Charlotte Amalie Wintberg Redhook Bay Cruz Bay Coral Bay East Hill Montpellier Beth Upper New Works Fort Christiansted Christiansted Airport East End Rio Piedras AES Trujillo Alto LMM Airport Canovanas Palma Sola Roosevelt Roads Paraiso Rio Blanco Lower Juncos Gurabo AES San Lorenzo Jajome Alto Aguirre Santa Isabel Aibonito Guayama Ponce 4E Juana Diaz Camp Boca Ensenada Magueyes Island Lajas AES Santa Rita Yauco Sabana Grande Hacienda Constanza Mayaguez City Maricao 2 SSW Maricao Fish Hatchery Adjuntas AES Adjuntas 1 NW Corral Viejo Penuelas Cacaos Orocovis Cerro Maravilla Villalba Aceituna Toro Negro Forest

 

Sector
Rain YTD
Normal YTD
PON YTD

 

 
 
X North Coast
30.01
25.98
116%
X South Coast
16.13
10.39
155%
X North Slopes
26.43
26.43
100%
X South Slopes
18.44
21.19
89%
X East Interior
39.18
31.73
123%
X West Interior
37.17
31.83
117%
Puerto Rico Average
27.89
24.59
113%
X U.S. Virgin Islands
13.88
14.05
99%

PON= Percent of Normal YTD= Year to Date   

  Figure C – Display of YTD precipitation by climate sectors derived from rain gage data.

Decadal June Observations for San Juan, Puerto Rico

 

2010-2012

2000’s

1990’s

1980’s

1970’s

1960’s

High

89.3°F

88.9°F

88.9°F

89.7°F

88.6°F

87.4°F

Low

77.7°F

77.0°F

76.7°F

76.6°F

76.8°F

74.5°F

Avg. T

83.5°F

83.0°F

82.8°F

83.2°F

82.7°F

80.9°F

Pcpn.

7.66"

4.70’’

4.30’’

3.41’’

3.48’’

5.27’’

Looking ahead toward the month of July

Average July Temperatures/Precipitation (NCDC 1981-2010 averages):

 

 

San Juan

Saint Thomas

Saint Croix

High

88.7°F

90.0°F

88.7°F

Low

78.1°F

78.0°F

78.5°F

Avg. T

83.4°F

84.0°F

83.6°F

Pcpn.

5.07’’

2.85’’

3.04’’

 

 Moon/Sun/Tide Data for the Month of July 2012   

Sunrise/sunset data, phase of the moon, as well as tide data can all be found by going to the climate portion of the National Weather Service San Juan Climate homepage and then clicking on the astronomical tab

  Click here to return to NWS San Juan Local Climate Web Page 


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