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Water temperature in Annapolis (MD) in May

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Is it warm enough to swim in Annapolis in May? Average water temperature in Annapolis in May is 62.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Annapolis in May is 76.1°F, and the coldest is 46.8°F. Average high air temperature in Annapolis in May is 73°F, and average low temperature is 56°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Annapolis

Changes water temperature in Annapolis in May 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 163.1°F64.2°F49.3°F64.2°F
May 265.5°F64.8°F48°F65.5°F
May 366.4°F64.8°F46.8°F66.4°F
May 465.8°F63.9°F47.1°F65.8°F
May 565.7°F63.5°F47.5°F65.7°F
May 666.2°F63°F47.5°F66.2°F
May 767.1°F64.4°F47.5°F67.1°F
May 868.5°F65.7°F47.8°F68.5°F
May 968°F65.8°F48.2°F68°F
May 1066.7°F64.4°F49.1°F66.7°F
May 1167.1°F63.7°F50.4°F67.1°F
May 1267.5°F64°F51.8°F67.6°F
May 1367.8°F63.5°F52.7°F67.8°F
May 1467.6°F64°F53.4°F67.6°F
May 1568.2°F63.5°F54.5°F68.2°F
Day 2025 2024 Min Max
May 1670°F64.2°F57.7°F70°F
May 1770.2°F65.1°F58.6°F70.2°F
May 1869.3°F65.5°F58.1°F69.3°F
May 1968.7°F65.7°F57.4°F70°F
May 2067.3°F66.9°F56.8°F68.7°F
May 2166°F67.1°F56.7°F69.1°F
May 2264.9°F68°F56.1°F70°F
May 2365.1°F69.3°F55.8°F70.7°F
May 2464.2°F70.2°F55.9°F70.5°F
May 2564°F71.8°F57.2°F72.1°F
May 2664.9°F73°F58.1°F73°F
May 2765.1°F72.9°F59°F73.6°F
May 2864.4°F72.5°F59.5°F74.3°F
May 2964.8°F71.8°F61.7°F75°F
May 3066.4°F71.6°F62.2°F75.7°F
May 3164.9°F71.4°F64°F76.1°F
Annapolis water temp chart in May

Average water temperature in Annapolis in May over a decade

20162017201820192020
61.2°F63.3°F66.2°F65.3°F60.8°F
20212022202320242025
64.4°F63.9°F64.4°F66.7°F66.6°F

Annapolis sea state in May

Chart comparing the height of waves in Annapolis in May 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 Annapolis in May

Weather and climate in Annapolis in May

This data display average monthly climate indicators in Annapolis in May 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 temperature73°F
  • Average LOW temperature56°F
  • Average rainfall days11 days
  • Average rainfall107mm/4.2''
  • Average daylight14h
  • Average sunshine8h
  • Average UV index8

Annapolis 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 May?

Want to know where the water temperature in May 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 May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Herald Harbor62.8°F46.8°F76.1°F
Naval Academy62.8°F46.8°F76.1°F
Severna Park62.8°F46.8°F76.1°F
Hillsmere Shores62.8°F46.9°F76.1°F
Robinwood62.8°F46.9°F76.1°F
Gibson Island62.8°F46.6°F75.9°F
Mayo62.6°F47.1°F75.9°F
Selby-on-the-Bay62.6°F47.1°F75.9°F
Edgewater62.6°F47.3°F75.9°F
Londontowne62.6°F47.3°F75.9°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 Annapolis 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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