World Resorts USA Portsmouth Weather

Portsmouth Sea Temperature in June

Average sea water temperature in June:
+57.3°F
Minimum sea water temperature in June: 64.6°F
Maximum sea water temperature in June: 50.0°F

Daily sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 56.5°F. The highest and lowest sea temperatures during the month were 61.3°F and 50.0°F.

Monthly sea water temperature in Portsmouth, °F

Which USA resorts have warmest sea in June?

Place name June 2025 June 2024
Sanibel Island 86.2°F 85.8°F
Everglades 86.1°F 86.0°F
Marco Island 85.9°F 86.2°F
Naples 85.9°F 85.9°F
Sarasota 85.9°F 85.8°F
Siesta Key 85.8°F 85.7°F
St. Petersburg 85.8°F 86.0°F
Clearwater Beach 85.7°F 86.3°F
Key West 85.5°F 85.9°F
Miami 85.5°F 84.8°F
Tampa 85.5°F 85.9°F
Islamorada 85.3°F 86.0°F
Key Largo 85.2°F 85.6°F
Corpus Christi 85.1°F 86.6°F
Pass Christian 85.1°F 84.6°F
Bay Saint Louis 84.9°F 84.6°F
Miami Beach 84.9°F 84.6°F
Galveston Island 84.8°F 85.8°F
Houston 84.8°F 85.2°F
New Orleans 84.7°F 84.9°F

Best time for vacation in Portsmouth

Sunniest months:
November 16 days
October 14 days
September 13 days
Warmest months:
July 78.5 °F
August 77.0 °F
June 72.7 °F
Warmest sea temp:
August 65.0 °F
July 63.3 °F
September 62.2 °F
Coldest months:
January 33.2 °F
February 34.2 °F
December 37.8 °F
Rainiest months:
July 3 days
April 3 days
August 2 days
Windiest months:
March 9.7 mph
January 9.7 mph
February 9.6 mph

Portsmouth on a weather map

Portsmouth
+21°F
NE 13 mph
Feels like: +9°F
Precip.: 0%
Places in USA:
Name
°F
+27°F
+73°F
+73°F
+45°F
+61°F
+45°F
+50°F
+66°F
+27°F
+66°F
+46°F
+45°F
+41°F
+39°F
+27°F
24 Hours Forecast
Portsmouth
Local time: 10:13
December 31, wednesday
1200
27°F
NE
14 mph
1500
28°F
NE
12 mph
1800
28°F
NE
10 mph
2100
27°F
NE
10 mph
January 01, thursday
0000
27°F
NE
11 mph
0300
27°F
N
11 mph
0600
25°F
NE
10 mph
0900
25°F
E
12 mph
Units of measurement: °C / °F