Bellingham, WA

Climate overview — based on NOAA 1991-2020 normals from BELLINGHAM 3 SSW, WA US.

Csb Warm-summer Mediterranean climate 8b USDA hardiness Zone 8b

Year-round temperatures (°F)

30° 40° 50° 60° 70° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Bellingham has an annual average temperature of 51.9°F with about 35.9 inches of precipitation per year and 3.4 inches of snow. The warmest month is July (average high 75.1°F), and the coldest is January (average low 34.8°F). November is typically the wettest month (5.70 in) and July the driest (0.98 in). Snow typically falls from November through March.

Pleasant months
4 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
23.4°F
warmest to coldest month
Heating need
4,716
Cooling need
0

Best time to visit Bellingham

Full guide →

Climate change signal

All-time records →

94 of 366 (25.7%) of Bellingham's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1980s
52
1990s
92
2000s
87
2010s
130
2020s
5

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 47.6°F 34.8°F 41.2°F 4.56 in 1.1 in 20
February 49.9°F 34.9°F 42.4°F 3.08 in 0.6 in 16
March 53.9°F 38.0°F 46.0°F 3.39 in 0.5 in 18
April 59.4°F 41.5°F 50.5°F 2.75 in 15
May 65.5°F 46.4°F 56.0°F 2.33 in 11
June 69.9°F 50.9°F 60.4°F 1.65 in 10
July 75.1°F 53.6°F 64.3°F 0.98 in 6
August 74.8°F 53.8°F 64.3°F 1.11 in 6
September 68.6°F 50.0°F 59.3°F 1.98 in 9
October 59.7°F 44.3°F 52.0°F 3.90 in 0.1 in 16
November 52.1°F 38.8°F 45.5°F 5.70 in 0.8 in 20
December 46.9°F 34.8°F 40.9°F 4.52 in 0.3 in 20

Climate twins of Bellingham

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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