World Resorts USA New Castle Weather

New Castle Sea Temperature in May

Average sea water temperature in May:
+61.7°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:
2025
2024
2023

The average sea water temperature in May of 2025 was 62.9°F. The highest and lowest sea temperatures during the month were 65.1°F and 61.0°F.

Monthly sea water temperature in New Castle, °F

Which USA resorts have warmest sea in May?

Place name May 2025 May 2024
Everglades 84.5°F 84.6°F
Key West 83.5°F 84.6°F
Naples 83.5°F 83.8°F
Marco Island 83.5°F 84.0°F
Key Largo 83.5°F 84.1°F
Cape Coral 83.4°F 83.6°F
Tampa 82.7°F 82.5°F
Sarasota 82.7°F 82.9°F
St. Petersburg 82.6°F 82.4°F
Clearwater Beach 82.6°F 82.5°F
Miami 82.6°F 83.3°F
Siesta Key 82.5°F 82.6°F
Miami Beach 82.4°F 83.0°F
Fort Lauderdale 81.1°F 81.7°F
West Palm Beach 81.1°F 81.5°F
Corpus Christi 80.9°F 81.0°F
Pensacola 80.1°F 79.4°F
Galveston 79.6°F 79.5°F
Houston 79.5°F 78.9°F
New Orleans 79.5°F 79.9°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
April 3 days
Windiest months:
March 9.2 mph
April 8.8 mph
January 8.5 mph

New Castle on a weather map

New Castle
+36°F
SW 7 mph
Feels like: +28°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+73°F
+73°F
+63°F
+57°F
+75°F
+75°F
+68°F
+36°F
+59°F
+55°F
+66°F
+68°F
+64°F
+41°F
24 Hours Forecast
New Castle
Local time: 08:42
April 08, wednesday
0900
36°F
SW
7 mph
1200
46°F
W
6 mph
1500
54°F
NW
6 mph
1800
52°F
N
9 mph
2100
43°F
NW
9 mph
April 09, thursday
0000
37°F
NW
6 mph
0300
34°F
W
4 mph
0600
34°F
W
4 mph
Units of measurement: °C / °F