World Resorts Canada Niagara Falls Weather

Niagara Falls Sea Temperature in April

Average sea water temperature in April:
+39.0°F
Minimum sea water temperature in April: 47.8°F
Maximum sea water temperature in April: 33.3°F

Daily sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 40.3°F. The highest and lowest sea temperatures during the month were 45.9°F and 36.1°F.

Monthly sea water temperature in Niagara Falls, °F

Which Canada resorts have warmest sea in April?

Place name April 2026 April 2025
Surrey 51.3°F 51.4°F
North Vancouver 50.2°F 49.4°F
Vancouver 50.1°F 49.3°F
Nanaimo 50.0°F 49.8°F
Tofino 49.6°F 49.5°F
Victoria 48.0°F 47.5°F
Windsor 45.1°F 44.0°F
Niagara Falls 40.3°F 37.8°F
Montreal 39.9°F 39.5°F
Saint Andrews 39.4°F 39.0°F
Niagara-on-the-Lake 39.3°F 37.8°F
Hamilton 38.2°F 39.4°F
Kingston 38.1°F 38.8°F
Lunenburg 38.1°F 38.5°F
Oshawa 37.9°F 39.6°F
Halifax 37.7°F 37.5°F
Quebec 37.7°F 35.3°F
Saint John 37.5°F 37.1°F
Mississauga 37.3°F 39.2°F
Toronto 37.0°F 38.8°F

Best time for vacation in Niagara Falls

Sunniest months:
September 13 days
August 12 days
July 11 days
Warmest months:
July 78.0 °F
August 76.8 °F
June 72.3 °F
Warmest sea temp:
August 72.7 °F
July 71.3 °F
September 69.4 °F
Coldest months:
January 28.9 °F
February 29.9 °F
December 35.8 °F
Rainiest months:
July 3 days
April 3 days
October 2 days
Windiest months:
November 11.9 mph
December 11.6 mph
February 11.2 mph

Niagara Falls on a weather map

Niagara Falls
+81°F
NE 7 mph
Feels like: +84°F
Precip.: 0%
Places in Canada:
Name
°F
+46°F
+61°F
+63°F
+57°F
+75°F
+64°F
+75°F
+77°F
+73°F
+61°F
+52°F
+84°F
+55°F
24 Hours Forecast
Niagara Falls
Local time: 16:10
May 17, sunday
1800
81°F
NE
5 mph
2100
70°F
N
5 mph
May 18, monday
0000
64°F
N
5 mph
0300
61°F
N
6 mph
0600
61°F
NE
9 mph
0900
66°F
NE
11 mph
1200
73°F
NE
14 mph
1500
77°F
NE
14 mph
Units of measurement: °C / °F