Weather in January
In Greater Napanee, Canada, the average seawater temperature in January is 3.3°C (37.9°F). Note: Within the context of swimming, this state is extremely cold, dangerous, and can result in death. Weather in January »
Weather in February
In Greater Napanee, Canada, the average seawater temperature in February is 2.8°C (37°F). Note: When swimming, this condition is immediately life-threatening. Weather in February »
Weather in March
March is the month with the coldest seawater in Greater Napanee, Canada, with an average sea temperature of 1.9°C (35.4°F). Note: In the course of swimming, this situation is life-threatening and fraught with risk. Weather in March »
Weather in April
In Greater Napanee, Canada, the average seawater temperature in April is 3.4°C (38.1°F). Note: In swimming, this condition is considered life-threatening and perilous. Weather in April »
Weather in May
In May, the average sea temperature in Greater Napanee, Canada, is 5.5°C (41.9°F). Note: One needs to be cautious in 5.5°C (41.9°F) waters. 13°C (55.4°F) is already forbidding, but sub-10°C (14°F) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being. Weather in May »
Weather in June
In June, the average sea temperature in Greater Napanee, Canada, is 14.5°C (58.1°F). Note: Diving into 14.5°C (58.1°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation. Weather in June »
Weather in July
In Greater Napanee, Canada, in July, the average water temperature is 20.8°C (69.4°F). Note: For most individuals, swimming in 20.8°C (69.4°F) is not a pleasurable activity. Weather in July »
Weather in August
With an average sea temperature of 22.3°C (72.1°F), August is the month with the warmest seawater in Greater Napanee, Canada. Note: For those not fond of cold temperatures, taking a swim at 22.3°C (72.1°F) may require consideration of the sunshine, wind, and ambient temperature. Weather in August »
Weather in September
In September, the average sea temperature in Greater Napanee, Canada, is 19.8°C (67.6°F). Note: Swimming in 19.8°C (67.6°F) is not an enjoyable experience for most. Weather in September »
Weather in October
In Greater Napanee, Canada, in October, the average water temperature is 14.2°C (57.6°F). Note: Beware when you're in 14.2°C (57.6°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition. Weather in October »
Weather in November
In Greater Napanee, Canada, in November, the average water temperature is 9.3°C (48.7°F). Note: Dipping in 9.3°C (48.7°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties. Weather in November »
Weather in December
In Greater Napanee, Canada, the average seawater temperature in December is 5.4°C (41.7°F). Note: Immersing oneself in 5.4°C (41.7°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped. Weather in December »
[Resources]Frequently asked questions
When is the sea coldest in Greater Napanee?
With an average sea temperature of 1.9°C (35.4°F), March is the month with the coldest seawater.
When is Daylight Saving Time (DST) in Greater Napanee?
On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts in Greater Napanee, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When are the longest days in Greater Napanee?
With an average of 15h and 30min of daylight, June has the longest days of the year in Greater Napanee.
When is the sea warmest in Greater Napanee?
The month with the warmest seawater in Greater Napanee is August, with an average sea temperature of 22.3°C (72.1°F).
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.
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
