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Sea Temperature in Portland in April
Complete information on the sea temperature range in the Atlantic Ocean in Portland in April. Historical daily data. Climate details for April. Tips on swimming conditions and beach relaxation in Portland. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Portland in April
2°C
MINIMUN
5°C
AVERAGE
8°C
MAXIMUM
Historical Data of Water Temperature in April in Portland
Water Temperature Chart for Atlantic Ocean in Portland in April
Sea Temperature Table in Portland in April Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Apr 1 | 6°C | 3°C | 3°C | 4.0°C |
| Apr 2 | 4°C | 3°C | 3°C | 3.5°C |
| Apr 3 | 6°C | 4°C | 5°C | 4.8°C |
| Apr 4 | 6°C | 3°C | 6°C | 4.8°C |
| Apr 5 | 6°C | 2°C | 6°C | 4.3°C |
| Apr 6 | 6°C | 6°C | 4°C | 4.8°C |
| Apr 7 | 6°C | 6°C | 2°C | 4.5°C |
| Apr 8 | 7°C | 4°C | 5°C | 5.0°C |
| Apr 9 | 7°C | 6°C | 6°C | 5.5°C |
| Apr 10 | 7°C | 4°C | 6°C | 5.0°C |
| Apr 11 | 7°C | 4°C | 3°C | 4.5°C |
| Apr 12 | 7°C | 5°C | 4°C | 5.0°C |
| Apr 13 | 7°C | 3°C | 2°C | 4.0°C |
| Apr 14 | 7°C | 4°C | 4°C | 4.8°C |
| Apr 15 | 7°C | 3°C | 4°C | 4.5°C |
| Apr 16 | 6°C | 2°C | 4°C | 4.0°C |
| Apr 17 | 6°C | 3°C | 4°C | 4.3°C |
| Apr 18 | 7°C | 3°C | 6°C | 5.3°C |
| Apr 19 | 7°C | 4°C | 6°C | 5.5°C |
| Apr 20 | 7°C | 4°C | 4°C | 5.0°C |
| Apr 21 | 7°C | 3°C | 6°C | 5.3°C |
| Apr 22 | 7°C | 5°C | 4°C | 5.3°C |
| Apr 23 | 6°C | 2°C | 5°C | 4.8°C |
| Apr 24 | 7°C | 3°C | 3°C | 4.8°C |
| Apr 25 | 6°C | 3°C | 4°C | 4.8°C |
| Apr 26 | 7°C | 2°C | 5°C | 5.3°C |
| Apr 27 | 7°C | 4°C | 6°C | 6.0°C |
| Apr 28 | 7°C | 6°C | 3°C | 5.8°C |
| Apr 29 | 7°C | 2°C | 6°C | 5.5°C |
Portland Climate and Swimming Opportunities in April
12°C
Average Day Air Temperature
4°C
Average Night Air Temperature
62 mm
Precipitation Amount per Month
13 days
Number of Rainy Days
14 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
19 km/h
Average Wind Speed
84%
Average
humidity
Portland lies within the Maine in United States. The average daytime temperature in Portland in April is 53°F (12°C), while the nighttime average is 40°F (4°C). There are typically 13 rainy days during the month, with a total precipitation of 2.4 inches (62 mm). The daylight duration in April in Portland is 14 hours, with an average of 5 hours of sunshine per day. The average wind speed in April is 12 mph (19 km/h), and the humidity level is around 84%.
The water temperature in Portland in April ranges from 37°F to 41°F (3°C to 5°C). At the beginning of the month, the average temperature is around 41°F (5°C), shifting to 41°F (5°C) by mid-April and reaching 41°F (5°C) in the last ten days. Overall, the average sea temperature in Portland for April is 41°F (5°C). The water remains dangerously cold, but the slightly warmer air can make short swims somewhat more bearable. Still, only for the well-prepared.
Sea Temperature in April in Nearby Cities
Frequently Asked Questions About Water Temperatures in April in Portland
What is the sea temperature in Portland in April?
The water temperature in the Atlantic Ocean in Portland in April ranges from 37°F to 41°F (3°C to 5°C).
Is it possible to swim in the Atlantic Ocean in Portland in April?
The average sea temperature in Portland in April is 41°F (5°C), and the air temperature is 53°F (12°C), so the water remains dangerously cold, but the slightly warmer air can make short swims somewhat more bearable. Still, only for the well-prepared.