June 2012 Climate Report for Puerto Rico and USVO

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

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