Weather in January
In Greater Napanee, Canada, the average seawater temperature in January is 3.3°C. Note: Regarding swimming, this is extremely cold, hazardous, and can lead to death. Weather in January »
Weather in February
In Greater Napanee, Canada, the average seawater temperature in February is 2.8°C. Note: In swimming situations, the extreme cold and danger can lead to fatality. Weather in February »
Weather in March
The month with the coldest seawater in Greater Napanee, Canada, is March, with an average sea temperature of 1.9°C. Note: In the realm of swimming, this is life-threatening and fraught with danger. Weather in March »
Weather in April
In Greater Napanee, Canada, in April, the average water temperature is 3.4°C. Note: In swimming situations, this is a grave threat to life. The intense coldness of the water triggers extreme discomfort and rapid hyperventilation. Weather in April »
Weather in May
In Greater Napanee, Canada, the average seawater temperature in May is 5.5°C. Note: In 5.5°C, even brief exposure to 13°C feels biting, and anything less than 10°C risks cold shock and impaired breathing, considering one's health. Weather in May »
Weather in June
In Greater Napanee, Canada, the average seawater temperature in June is 14.5°C. Note: At temperatures below 10°C, swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in June »
Weather in July
In July, the average sea temperature in Greater Napanee, Canada, is 20.8°C. Note: Most people do not enjoy swimming in water that is 20.8°C. Breathing becomes increasingly challenging as the water temperature dips under 21°C. Weather in July »
Weather in August
August is the month with the warmest seawater in Greater Napanee, Canada, with an average sea temperature of 22.3°C. Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 22.3°C waters. Weather in August »
Weather in September
In Greater Napanee, Canada, the average seawater temperature in September is 19.8°C. Note: Most people do not enjoy swimming in water of 19.8°C. Breathing control becomes harder as the temperature descends from 21°C to 15°C. Weather in September »
Weather in October
In Greater Napanee, Canada, in October, the average water temperature is 14.2°C. Note: Dipping in 14.2°C at temperatures less than 10°C without proper gear can lead to pronounced cold shock and breathing difficulties. Weather in October »
Weather in November
In November, the average sea temperature in Greater Napanee, Canada, is 9.3°C. Note: Dipping in 9.3°C at temperatures less than 10°C without proper gear can lead to pronounced cold shock and breathing difficulties. Weather in November »
Weather in December
In December, the average sea temperature in Greater Napanee, Canada, is 5.4°C. Note: Swimming in 5.4°C is considered life-threatening. Even a few minutes in 13°C water is uncomfortable, and swimming below 10°C may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in December »
[Resources]FAQ
When is the sea coldest in Greater Napanee?
With an average sea temperature of 1.9°C, March is the month with the coldest seawater in Greater Napanee, Canada.
When is Daylight Saving Time (DST) in Greater Napanee?
On Sunday, 12. March 2023, at 2:00 am, Daylight Saving Time starts in Greater Napanee, Canada, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 05. November 2023, at 2:00 am, and the time zone reverts from EDT to EST.
When are the longest days in Greater Napanee?
The month with the longest days is June, with an average of 15h and 30min of daylight.
What is the month with the warmest sea water in Greater Napanee?
With an average sea temperature of 22.3°C, August is the month with the warmest seawater.
What is the month with the shortest days in Greater Napanee?
With an average of 8h and 54min of daylight, December has the shortest days of the year in Greater Napanee, Canada.
Average sea temperature
Greater Napanee, Canada
The best month for swimming (with the highest average sea temperature) is August (22.3°C).
The coldest month (with the lowest average sea temperature) is March (1.9°C).
Average daylight
Greater Napanee, Canada
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 3min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
Greater Napanee, Canada
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
