World Resorts USA New Castle Weather

New Castle Sea Temperature in July

Average sea water temperature in July:
+80.8°F
Minimum sea water temperature in July: 85.5°F
Maximum sea water temperature in July: 73.0°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 81.2°F. The highest and lowest sea temperatures during the month were 83.7°F and 78.4°F.

Monthly sea water temperature in New Castle, °F

Which USA resorts have warmest sea in July?

Place name July 2025 July 2024
New Orleans 87.4°F 87.1°F
Clearwater Beach 87.1°F 88.3°F
St. Petersburg 87.0°F 88.0°F
Sarasota 86.9°F 87.9°F
Siesta Key 86.9°F 87.9°F
Pensacola 86.9°F 87.3°F
Tampa 86.8°F 87.4°F
Key West 86.7°F 87.6°F
Marco Island 86.6°F 87.4°F
Naples 86.6°F 87.2°F
Cape Coral 86.4°F 87.2°F
Galveston 86.4°F 86.3°F
Miami 86.3°F 86.9°F
Panama City Beach 86.3°F 86.8°F
Houston 86.3°F 86.4°F
Destin 86.3°F 86.6°F
Key Largo 86.2°F 87.1°F
Everglades 86.0°F 87.9°F
Miami Beach 86.0°F 86.5°F
Corpus Christi 85.3°F 86.6°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
+61°F
N 5 mph
Feels like: +61°F
Precip.: 100%
Places in USA:
Name
°F
+64°F
+75°F
+75°F
+79°F
+73°F
+88°F
+82°F
+70°F
+66°F
+68°F
+63°F
+90°F
+95°F
+86°F
+55°F
24 Hours Forecast
New Castle
Local time: 15:13
April 28, tuesday
1800
57°F
N
6 mph
2100
52°F
NW
4 mph
April 29, wednesday
0000
52°F
NW
4 mph
0300
50°F
N
3 mph
0600
48°F
NW
4 mph
0900
55°F
NW
6 mph
1200
61°F
NW
9 mph
1500
63°F
NW
11 mph
Units of measurement: °C / °F