Bellingham weather by month

Average highs run from 46°F in January to 73°F in July, and January nights average 34°F. It gets 35 inches of rain and melted snow a year and 3 inches of snow. The most comfortable months are May to September.

BellinghamWashingtonPop. 96,395
Average monthly high and low temperatures and precipitation in Bellingham30°40°50°60°70°80°90°4634Jan4.54935Feb2.95338Mar3.45842Apr2.86447May2.26852Jun1.67355Jul0.97355Aug1.16850Sep2.05943Oct3.95138Nov5.24634Dec4.3in.
Average daily high and low (°F) and precipitation (inches) each month, 1991-2020. The dashed line marks freezing (32°F). Shaded months are comfortable by our rule. Station: Bellingham Intl. Airport, WA, 3.3 mi from the city center. Source: NOAA NCEI.

Best time to visit Bellingham

For comfortable weather, go in May to September. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.

JanFebMarAprMayJunJulAugSepOctNovDec

Month by month

MonthHighLowPrecip.SnowWet daysDays 90°F+Nights below 32°FFeels
January46°F34°F4.5 in1.1 in11013cold
February49°F35°F2.9 in0.6 in9012cool
March53°F38°F3.4 in0.5 in1007cool
April58°F42°F2.8 in0.0 in802cool
May64°F47°F2.2 in0.0 in600mild
June68°F52°F1.6 in0.0 in500mild
July73°F55°F0.9 in0.0 in200mild
August73°F55°F1.1 in0.0 in300mild
September68°F50°F2.0 in0.0 in500mild
October59°F43°F3.9 in0.1 in902cool
November51°F38°F5.2 in0.8 in1209cool
December46°F34°F4.3 in0.3 in11013cold
Year59°F avg43°F avg34.7 in3.4 in92059

"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Bellingham Intl. Airport, WA (USW00024217), 3.3 miles from the city center; snowfall from Bellingham 3 SSW, WA. Averages describe typical conditions, not a forecast.

Sunrise, sunset and daylight in Bellingham

The shortest day is December 21, with 8h 15m of daylight; the longest is June 21, with 16h 09m. The earliest sunset comes around December 6 (4:13 pm) and the latest around June 19 (9:16 pm). The sun sets after 8 pm on 136 days a year.

6h9h12h15h18hJanuary 15: 8h 44m of daylightJanFebruary 15: 10h 13m of daylightFebMarch 15: 11h 52m of daylightMarApril 15: 13h 43m of daylightAprMay 15: 15h 16m of daylightMayJune 15: 16h 08m of daylightJunJuly 15: 15h 44m of daylightJulAugust 15: 14h 21m of daylightAugSeptember 15: 12h 35m of daylightSepOctober 15: 10h 49m of daylightOctNovember 15: 9h 10m of daylightNovDecember 15: 8h 17m of daylightDec
On the 15th ofSunriseSunsetDaylight
January7:57 am4:41 pm8h 44m
February7:17 am5:31 pm10h 13m
March7:23 am7:15 pm11h 52m
April6:19 am8:01 pm13h 43m
May5:28 am8:44 pm15h 16m
June5:06 am9:14 pm16h 08m
July5:23 am9:07 pm15h 44m
August6:03 am8:24 pm14h 21m
September6:47 am7:22 pm12h 35m
October7:30 am6:19 pm10h 49m
November7:19 am4:29 pm9h 10m
December7:56 am4:13 pm8h 17m

Calculated for 2026 at the center of Bellingham with NOAA's solar equations, in local clock time (Pacific Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.

Is Bellingham getting warmer?

The last 10 years averaged 1.8°F warmer than the 20th century. See the climate stripes for Bellingham.

Frequently asked questions

What is the warmest month in Bellingham?

August is the warmest month, with an average high of 73°F and an average low of 55°F (NOAA 1991-2020 normals).

What is the coldest month in Bellingham?

January is the coldest, with average lows of 34°F and highs of 46°F.

What is the rainiest month in Bellingham?

November gets the most precipitation, 5.2 inches on average. July is the driest at 0.9 inches.

Does it snow in Bellingham?

Yes. Bellingham averages 3 inches of snow a year.

When is the best time to visit Bellingham?

For comfortable weather, May to September. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.

Thinking of moving to Bellingham?

See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Bellingham profile.

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