World Resorts USA Bellingham Weather

Bellingham sea water temperature

Current sea water temperature:
+46.4°F
Minimum sea water temperature in January: 47.3°F
Maximum sea water temperature in January: 44.2°F
Average sea water temperature in January: 45.6°F

Sea water temperature for the last 10 days:

January 1 46.4°F December 27 46.9°F
December 31 46.4°F December 26 47.1°F
December 30 46.8°F December 25 47.3°F
December 29 46.8°F December 24 47.5°F
December 28 46.8°F December 23 47.5°F

When is the warmest sea in Bellingham?

Based on the data about daily sea water temperature for the last three years the warmest sea in Bellingham was noticed in August, July and September.

Monthly Sea Temperatures in Bellingham, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 61.1°F. The highest and lowest sea temperatures during the month were 63.5°F and 58.8°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 60.5°F. The highest and lowest sea temperatures during the month were 64.6°F and 56.7°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 59.8°F. The highest and lowest sea temperatures during the month were 63.9°F and 55.2°F.

Best time for vacation in Bellingham

Sunniest months:
July 21 days
August 18 days
June 11 days
Warmest months:
August 72.3 °F
July 71.7 °F
September 67.4 °F
Warmest sea temp:
July 62.0 °F
August 62.0 °F
September 58.7 °F
Coldest months:
January 41.2 °F
December 41.6 °F
February 41.9 °F
Rainiest months:
November 7 days
January 6 days
October 5 days
Windiest months:
December 5.1 mph
February 4.7 mph
January 4.4 mph

Bellingham on a weather map

Bellingham
+36°F
NW 1 mph
Feels like: +36°F
Precip.: 0%
Places in USA:
Name
°F
+34°F
+73°F
+73°F
+46°F
+59°F
+61°F
+64°F
+64°F
+25°F
+63°F
+52°F
+59°F
+57°F
+64°F
+21°F
24 Hours Forecast
Bellingham
Local time: 08:33
January 01, thursday
0900
36°F
NW
1 mph
1200
45°F
S
1 mph
1500
43°F
SE
2 mph
1800
41°F
SW
1 mph
2100
41°F
N
3 mph
January 02, friday
0000
41°F
NW
2 mph
0300
41°F
W
1 mph
0600
41°F
SW
2 mph
Units of measurement: °C / °F