World Resorts USA New Castle Weather

New Castle Sea Temperature in May

Average sea water temperature in May:
+61.9°F
Minimum sea water temperature in May: 70.2°F
Maximum sea water temperature in May: 51.6°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 63.4°F. The highest and lowest sea temperatures during the month were 68.5°F and 57.4°F.

Monthly sea water temperature in New Castle, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Everglades 84.6°F 84.5°F
Key West 84.3°F 83.5°F
Key Largo 84.0°F 83.5°F
Miami 83.3°F 82.6°F
Cape Coral 83.3°F 83.4°F
Marco Island 83.2°F 83.5°F
Hialeah 82.9°F 82.3°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
St. Petersburg 82.0°F 82.6°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Cocoa Beach 80.4°F 79.4°F
Corpus Christi 79.5°F 80.9°F
Galveston 78.4°F 79.6°F
Orlando 78.4°F 77.2°F

Best time for vacation in New Castle

Sunniest months:
November 17 days
October 16 days
September 15 days
Warmest months:
July 85.5 °F
August 82.4 °F
June 79.8 °F
Warmest sea temp:
July 80.8 °F
August 80.0 °F
September 74.5 °F
Coldest months:
January 38.6 °F
February 41.6 °F
December 43.1 °F
Rainiest months:
July 3 days
August 3 days
June 2 days
Windiest months:
March 9.2 mph
April 8.7 mph
January 8.5 mph

New Castle on a weather map

New Castle
+77°F
N 12 mph
Feels like: +79°F
Precip.: 0%
Places in USA:
Name
°F
+79°F
+79°F
+104°F
+77°F
+86°F
+84°F
+75°F
+75°F
+72°F
+63°F
+70°F
+91°F
+95°F
+84°F
+77°F
24 Hours Forecast
New Castle
Local time: 17:40
June 08, monday
1800
77°F
N
12 mph
2100
66°F
NW
7 mph
June 09, tuesday
0000
59°F
NW
6 mph
0300
55°F
N
4 mph
0600
57°F
NE
4 mph
0900
64°F
NE
6 mph
1200
75°F
N
7 mph
1500
77°F
N
7 mph
Units of measurement: °C / °F