Keflavík in March
Find out everything about the water temperature in Keflavík in March. Average, minimum and maximum recorded temperatures as well as daily temperature in March for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in March
Minimum:
36.8 °F
Average:
39.8 °F
Maximum:
42.2 °F
Sea water temperature in Keflavík in March
In the city of Keflavík, the month of March is too cold for swimming. The minimum recorded temperature during this month was 36.8°F on March 20, 2023, with an average temperature being 39.8°F and a maximum temperature reaching 42.2°F on March 24, 2024.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Mar 1 | 39.7°F | 39.5°F | 41.1°F |
| Mar 2 | 39.7°F | 39.5°F | 40.5°F |
| Mar 3 | 39.7°F | 39.3°F | 40.5°F |
| Mar 4 | 39.6°F | 38.7°F | 40.8°F |
| Mar 5 | 39.6°F | 39.2°F | 41.6°F |
| Mar 6 | 39.6°F | 39.2°F | 41.6°F |
| Mar 7 | 39.5°F | 39.3°F | 41.5°F |
| Mar 8 | 39.5°F | 39.5°F | 40.8°F |
| Mar 9 | 39.7°F | 40.2°F | 40.8°F |
| Mar 10 | 39.7°F | 39.7°F | 40.9°F |
| Mar 11 | 39.6°F | 39.7°F | 40.2°F |
| Mar 12 | 39.6°F | 39.8°F | 39.6°F |
| Mar 13 | 39.5°F | 39.8°F | 38.9°F |
| Mar 14 | 39.7°F | 41.0°F | 38.1°F |
| Mar 15 | 39.6°F | 40.0°F | 37.6°F |
| Mar 16 | 39.8°F | 41.1°F | 37.7°F |
| Mar 17 | 39.8°F | 40.8°F | 38.4°F |
| Mar 18 | 39.8°F | 40.7°F | 37.6°F |
| Mar 19 | 39.8°F | 41.3°F | 37.5°F |
| Mar 20 | 39.8°F | 41.5°F | 36.8°F |
| Mar 21 | 40.0°F | 41.2°F | 37.2°F |
| Mar 22 | 40.0°F | 41.2°F | 37.8°F |
| Mar 23 | 40.1°F | 41.7°F | 37.7°F |
| Mar 24 | 40.2°F | 42.2°F | 37.8°F |
| Mar 25 | 40.2°F | 42.2°F | 37.4°F |
| Mar 26 | 40.3°F | 42.1°F | 37.6°F |
| Mar 27 | 40.2°F | 42.0°F | 37.5°F |
| Mar 28 | 40.2°F | 41.5°F | 37.7°F |
| Mar 29 | 40.3°F | 41.8°F | 38.1°F |
| Mar 30 | 40.3°F | 41.7°F | 38.3°F |
| Mar 31 | 40.4°F | 42.0°F | 38.5°F |
In an average year, Keflavík offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Keflavík was recorded on August 6, 2019, reaching a 56.1°F. While the coldest temperature occurred on February 9, 2024, dipping to 36.3°F. The average readings by season are 40.3°F in Winter, 42.0°F in Spring, 51.0°F in Summer, and 47.4°F in Autumn.
The average temperature in March is slightly warmer than February's average of 39.3°F. And in April, the temperature is expected to rise further, potentially reaching an average of 41.5°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Álftanes |
41.5°F
|
18mi |
| Hafnarfjörður |
41.5°F
|
19mi |
| Kópavogur |
41.7°F
|
21mi |
| Reykjavík |
41.8°F
|
22mi |
| Akranes |
42.9°F
|
26mi |
* current water temperature in this city
** straight line distance from Keflavík