
The most detailed information about the water temperature in St. John's in Atlantic Ocean (Newfoundland And Labrador, Canada). Forecast of changes in water temperature for the next 10 days. Statistics by months for recent years. Information about the neighboring resorts. Weather forecast in St. John's for a week.
Water temperature in St. John's right now
data updated 19 minutes ago40°F

yesterday: 40°F
a week ago: 41°F
Trend: slow drop
Today water temperature in St. John's is 40.8°F. At this temperature, you can only immerse yourself in water for a few minutes. But it should be remembered that even for trained and seasoned people, this can be dangerous. In any case, the general weather is also important. So, the air temperature at the same time will reach 28°F.
Analysis and forecast
The water temperature today roughly corresponds to the average value on this day in recent years. Its value has rise over the last week, but has drop compared to 20 days ago. Exactly a year ago, on this day, the water temperature in this location was 39°F. Water temperature range in St. John's In December is from 30 to 44 degrees.
According to our forecast, in the coming days, the water temperature value in St. John's will slightly drop and in 10 days it will be 39°F.
Table of water temperature values in St. John's
Day | Fact* | Average** | Forecast*** |
Nov 24 | 5.4°C | 4.5°C | |
Nov 25 | 4.8°C | 4.5°C | |
Nov 26 | 5.0°C | 4.3°C | |
Nov 27 | 4.9°C | 3.8°C | |
Nov 28 | 5.0°C | 3.8°C | |
Nov 29 | 4.4°C | 3.8°C | |
Nov 30 | 4.5°C | 4.0°C | |
Dec 1 | 4.9°C | 4.8°C | |
Dec 2 | 4.5°C | 4.0°C | |
Dec 3 | 4.3°C | 4.0°C | |
Dec 4 | 4.0°C | 4.0°C | |
Dec 5 | 4.3°C | 4.0°C | |
Dec 6 | 4.0°C | 4.0°C | |
Dec 7 | 3.5°C | 3.6°C | |
Dec 8 | 3.8°C | 3.9°C |
** Average - Average water temperature on this day in past years
*** Forecast - Our forecast for the water temperature
Actual nearshore temperatures may vary by several degrees from the indicated values. This is noticeable after heavy rain or after prolonged periods of strong winds. Some downstream winds cause cold, deep waters to replace surface waters that have been warmed by the sun.
To develop a forecast, we use our own mathematical model, which takes into account the current change in water temperature, historical data and the main weather trends, wind strength and direction, air temperature in each specific region. We also take into account data for other resorts in Canada.

Annual graph of average water temperature change in St. John's

Water temperature in St. John's by month
St. John's located in the northern hemisphere, at latitude 47 degrees. The water in this location never warms up to comfortable values. Average annual water temperature on the coast in St. John's is 41°F, by the seasons: in winter 34°F, in spring 32°F, in summer 50°F, in autumn 46°F. Minimum water temperature (29°F) in St. John's it happens in February, maximum (60°F) in August.
You can find out detailed data on how the water temperature in St. John's changes in each specific month:
St. John's: general information and map
Neighboring cities and resorts
City | Water* | Distance** |
Torbay | 39°C ![]() ![]() | 18km |
Bay Roberts | 40°C ![]() ![]() | 44km |
Carbonear | 40°C ![]() ![]() | 47km |
** Straight line distance in kilometers

The warmest water today in Canada recorded in Mooyah Bay, its value is 51°F. Lowest - in Pangnirtung, there water temperature now 28°F. Average water temperature in the country today - 42°F.
Water temperature data in St. John's and neighboring towns and resorts collected from various sources, using buoys, using satellite maps of sea, river and lake surfaces of the NOAA agency.
We use data from various local authorities in each specific location of the world to more accurately reflect temperature values.
The nearest airport is located in a 13 kilometers. This is St. John's International (YYT) airport. We have no information as to whether it is valid and what flights it receives or sends.
St. John's: weather forecast
The weather forecast is shown in local time in St. John's


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