World Resorts USA Portsmouth Weather

Portsmouth Sea Temperature in April

Average sea water temperature in April:
+42.7°F
Minimum sea water temperature in April: 47.5°F
Maximum sea water temperature in April: 39.9°F

Daily sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 41.4°F. The highest and lowest sea temperatures during the month were 45.0°F and 39.9°F.

Monthly sea water temperature in Portsmouth, °F

Which USA resorts have warmest sea in April?

Place name April 2025 April 2024
Everglades 78.8°F 78.0°F
Key Largo 78.5°F 77.3°F
Islamorada 78.4°F 77.5°F
West Palm Beach 78.3°F 77.5°F
Miami Beach 78.3°F 77.1°F
Kailua Kona 78.1°F 76.9°F
Fort Lauderdale 78.0°F 76.9°F
Key West 78.0°F 77.6°F
Miami 77.9°F 76.9°F
Honolulu 77.4°F 76.2°F
Hawaii 77.3°F 76.1°F
Marco Island 77.3°F 76.6°F
Naples 77.0°F 76.3°F
Sanibel Island 76.7°F 75.8°F
Tampa 76.6°F 74.1°F
Maui 76.6°F 75.4°F
Oahu 76.4°F 75.0°F
St. Petersburg 76.3°F 74.2°F
Sarasota 76.0°F 74.3°F
Siesta Key 75.7°F 74.3°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