What is the current water temperature in St. John's?

Q: What is the current water temperature in St. John's?

As of now, in St. John's, the water temperature is 13.81°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

Canada > St. John's

Water temperature in St. John's

Detailed information about the current water temperature in St. John's. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

56.9

°F

August 8, 16:51

Trend:

increasing

Yesterday:

56.6°F

Tomorrow:

57.0°F

Sunrise:

05:47

Sunset:

20:25

Day Length:

14 h. 38 min.

St. John's in August

Minimum:

32.6°F

Average:

34.6°F

Maximum:

36.6°F

Sea water temperature in St. John's today

As of now, in St. John's, the water temperature is 56.9°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.5°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 61.6°F on 2022, while the historical minimum was 55.3°F on 2015.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 57.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in St. John's

Date	Current Year actual* / forecast**	last year	10 years average
Jul 25	55.5°F	57.1°F	54.6°F
Jul 26	55.4°F	57.9°F	54.8°F
Jul 27	54.3°F	57.1°F	54.8°F
Jul 28	54.5°F	58.5°F	55.3°F
Jul 29	54.6°F	57.9°F	55.5°F
Jul 30	55.0°F	58.8°F	55.8°F
Jul 31	55.8°F	58.9°F	56.2°F
Aug 1	56.2°F	58.2°F	56.3°F
Aug 2	56.7°F	60.1°F	57.0°F
Aug 3	56.6°F	60.4°F	57.3°F
Aug 4	56.7°F	60.4°F	57.2°F
Aug 5	56.2°F	60.3°F	57.3°F
Aug 6	56.3°F	60.6°F	58.0°F
Aug 7	56.6°F	60.7°F	58.0°F
Aug 8	56.9°F	61.0°F	58.4°F
Aug 9	57.0°F	60.9°F	58.5°F
Aug 10	56.5°F	60.4°F	58.0°F
Aug 11	56.7°F	60.6°F	58.2°F
Aug 12	56.9°F	60.9°F	58.5°F
Aug 13	57.1°F	61.0°F	58.6°F
Aug 14	57.3°F	61.2°F	58.8°F
Aug 15	57.6°F	61.5°F	59.1°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in St. John's by month

In an average year, St. John's offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in St. John's was recorded on August 28, 2022, reaching a 64.9°F. While the coldest temperature occurred on January 11, 2016, dipping to 32.0°F. The average readings by season are 34.7°F in Winter, 33.9°F in Spring, 51.0°F in Summer, and 49.9°F in Autumn.