World sea water temperatures

Water temperature in Oswego (NY) in April

Is it warm enough to swim in Oswego in April? Average water temperature in Oswego in April is 39.2°F and therefore is not suitable for comfortable swimming. The warmest water in Oswego in April is 47.1°F, and the coldest is 31.1°F. Average high air temperature in Oswego in April is 53°F, and average low temperature is 38°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Oswego

Changes water temperature in Oswego in April 2025, 2024

To get an accurate forecast for the water temperature in Oswego for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Oswego, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of April.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
April 138.1°F39°F31.1°F39.6°F
April 237.8°F38.7°F32°F39.7°F
April 337.6°F38.5°F32.7°F39.9°F
April 437.6°F38.3°F32.4°F40.3°F
April 537.8°F38.1°F32°F39.9°F
April 637.8°F39.9°F32.2°F40.1°F
April 737.6°F39.2°F32.2°F41.2°F
April 837.4°F40.3°F32.4°F41.5°F
April 939.4°F41.4°F32.7°F41.4°F
April 1038.7°F41.4°F33.1°F41.4°F
April 1138.3°F41.2°F32°F41.2°F
April 1238.1°F40.5°F32.2°F41.5°F
April 1339°F41.4°F33.1°F42.8°F
April 1438.3°F42.3°F34.2°F42.3°F
April 1539.6°F42.4°F33.4°F44.2°F
Day 2025 2024 Min Max
April 1639.2°F42.6°F33.3°F47.1°F
April 1740.8°F44.1°F34.7°F45.9°F
April 1839.7°F43.3°F34.5°F44.2°F
April 1939.6°F42.8°F34.2°F43.2°F
April 2040.3°F42.4°F34.5°F43°F
April 2139.7°F42.8°F34°F44.4°F
April 2241°F44.2°F34.7°F44.2°F
April 2341.5°F43.3°F34.9°F43.3°F
April 2442.3°F43.3°F34.5°F45°F
April 2539°F43.7°F34.7°F43.7°F
April 2639°F44.4°F34.3°F45.5°F
April 2741.5°F44.2°F34.3°F45.5°F
April 2840.6°F43.7°F35.6°F46°F
April 2939.7°F43.9°F35.8°F45°F
April 3039.6°F45°F36°F45°F
Oswego water temp chart in April

Average water temperature in Oswego in April over a decade

20162017201820192020
39.6°F39.9°F37.2°F37.8°F41.2°F
20212022202320242025
41.2°F40.5°F42.1°F41.9°F39.2°F

Oswego sea state in April

Chart comparing the height of waves in Oswego in April over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Oswego in April

Weather and climate in Oswego in April

This data display average monthly climate indicators in Oswego in April based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature53°F
  • Average LOW temperature38°F
  • Average rainfall days14 days
  • Average rainfall84mm/3.3''
  • Average snowfall97mm/3.8''

Oswego water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in April?

Want to know where the water temperature in April is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in April. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
New York City47.5°F40.3°F54°F
Fair Haven39°F32.2°F45°F
Southwick Beach39°F30.2°F45.5°F
Sodus Point39.4°F32.4°F44.8°F
Henderson Harbor39.2°F30.6°F46.8°F
Pillar Point39.2°F30.6°F46.8°F
Sackets Harbor39.2°F30.6°F46.8°F
Dexter39.4°F30.7°F49.5°F
Picton38.1°F31.8°F43.5°F
Sandbanks37.9°F32.4°F43.2°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Oswego is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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