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Sea Temperature in Boston in April
Complete information on the sea temperature range in the Atlantic Ocean in Boston in April. Historical daily data. Climate details for April. Tips on swimming conditions and beach relaxation in Boston. 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 Boston in April
4°C
MINIMUN
6.5°C
AVERAGE
9°C
MAXIMUM
Historical Data of Water Temperature in April in Boston
Water Temperature Chart for Atlantic Ocean in Boston in April
Sea Temperature Table in Boston in April Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Apr 1 | 5°C | 6°C | 4°C | 5.3°C |
| Apr 2 | 6°C | 6°C | 4°C | 5.3°C |
| Apr 3 | 6°C | 6°C | 4°C | 5.3°C |
| Apr 4 | 6°C | 6°C | 4°C | 5.3°C |
| Apr 5 | 6°C | 6°C | 5°C | 5.5°C |
| Apr 6 | 6°C | 7°C | 5°C | 5.5°C |
| Apr 7 | 6°C | 7°C | 5°C | 5.5°C |
| Apr 8 | 6°C | 7°C | 5°C | 5.8°C |
| Apr 9 | 8°C | 7°C | 5°C | 6.3°C |
| Apr 10 | 8°C | 7°C | 5°C | 6.5°C |
| Apr 11 | 8°C | 6°C | 6°C | 6.5°C |
| Apr 12 | 7°C | 7°C | 6°C | 6.5°C |
| Apr 13 | 7°C | 7°C | 6°C | 6.5°C |
| Apr 14 | 8°C | 7°C | 6°C | 7.0°C |
| Apr 15 | 7°C | 7°C | 6°C | 6.8°C |
| Apr 16 | 7°C | 7°C | 6°C | 6.8°C |
| Apr 17 | 7°C | 7°C | 7°C | 7.0°C |
| Apr 18 | 7°C | 7°C | 7°C | 7.0°C |
| Apr 19 | 8°C | 7°C | 7°C | 7.0°C |
| Apr 20 | 8°C | 7°C | 7°C | 7.3°C |
| Apr 21 | 9°C | 7°C | 7°C | 7.3°C |
| Apr 22 | 7°C | 7°C | 7°C | 7.0°C |
| Apr 23 | 8°C | 7°C | 8°C | 7.5°C |
| Apr 24 | 8°C | 7°C | 8°C | 7.5°C |
| Apr 25 | 9°C | 8°C | 8°C | 8.0°C |
| Apr 26 | 8°C | 7°C | 8°C | 7.8°C |
| Apr 27 | 8°C | 7°C | 8°C | 7.5°C |
| Apr 28 | 8°C | 7°C | 8°C | 7.5°C |
| Apr 29 | 8°C | 7°C | 9°C | 7.8°C |
Boston Climate and Swimming Opportunities in April
13°C
Average Day Air Temperature
3°C
Average Night Air Temperature
103 mm
Precipitation Amount per Month
11 days
Number of Rainy Days
13 hrs
Daylight
per Day
7 hrs
Sunshine
per Day
17 km/h
Average Wind Speed
61%
Average
humidity
Boston lies within the Massachusetts in United States. The average daytime temperature in Boston in April is 55°F (13°C), while the nighttime average is 38°F (3°C). There are typically 11 rainy days during the month, with a total precipitation of 4.1 inches (103 mm). The daylight duration in April in Boston is 13 hours, with an average of 7 hours of sunshine per day. The average wind speed in April is 11 mph (17 km/h), and the humidity level is around 61%.
The water temperature in Boston in April ranges from 41°F to 46°F (5°C to 8°C). At the beginning of the month, the average temperature is around 41°F (5°C), shifting to 45°F (7°C) by mid-April and reaching 45°F (7°C) in the last ten days. Overall, the average sea temperature in Boston for April is 45°F (7°C). The water is frigid, but with warmer air, it might be tolerable for a quick swim. Wetsuits are recommended.
Sea Temperature in April in Nearby Cities
Frequently Asked Questions About Water Temperatures in April in Boston
What is the sea temperature in Boston in April?
The water temperature in the Atlantic Ocean in Boston in April ranges from 41°F to 46°F (5°C to 8°C).
Is it possible to swim in the Atlantic Ocean in Boston in April?
The average sea temperature in Boston in April is 45°F (7°C), and the air temperature is 55°F (13°C), so the water is frigid, but with warmer air, it might be tolerable for a quick swim. Wetsuits are recommended.