Climate averages 1991–2020
Bellingham weather
in October.
A cool, wet month: the 6th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a cool month in Bellingham: daytime highs average 13.6°C and nights cool to about 7.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 162 mm of rain on roughly 15 days, which makes October a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 51 min on an average October day.
The nearest other city in this atlas is Abbotsford (37 km away). In October its highs average 13.2°C, about as warm as Bellingham, with 197 mm of rain.
Among the 498 cities listed in the United States, Bellingham ranks joint 490th of 498 for the warmest October highs and 497th of 498 for the driest October (rainfall, lowest first). The mean October high of those 498 cities is 21.4°C; Bellingham is 7.7°C cooler than that mean.
From October to November, average highs fall by 4.9°C to 8.7°C, and monthly rainfall rises from 162 mm to 240 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Bellingham climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.4°C1.2°C | 1.2°C | 213 | 18.6 | 8.89 h |
| February | 7.8°C1.2°C | 1.2°C | 139 | 15.5 | 10.110 h |
| March | 9.8°C2.6°C | 2.6°C | 171 | 18.9 | 11.912 h |
| April | 12.5°C4.7°C | 4.7°C | 122 | 15.2 | 13.714 h |
| May | 15.9°C8.1°C | 8.1°C | 86 | 11.3 | 15.215 h |
| June | 17.9°C11.1°C | 11.1°C | 64 | 9.4 | 16.116 h |
| July | 21.2°C13.8°C | 13.8°C | 32 | 5.1 | 15.716 h |
| August | 21.7°C14.2°C | 14.2°C | 46 | 5.3 | 14.414 h |
| September | 19.0°C11.8°C | 11.8°C | 81 | 9.1 | 12.613 h |
| October, selected | 13.6°C7.7°C | 7.7°C | 162 | 14.7 | 10.911 h |
| November | 8.7°C3.8°C | 3.8°C | 240 | 18.8 | 9.29 h |
| December | 5.8°C1.3°C | 1.3°C | 206 | 18.3 | 8.48 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Abbotsford in OctoberCanada · 37 kmHigh 13.2°C · Low 5.5°C · 197 mm rain
- Langley in OctoberCanada · 40 kmHigh 13.8°C · Low 6.8°C · 174 mm rain
- Surrey in OctoberCanada · 46 kmHigh 13.4°C · Low 6.6°C · 174 mm rain
- Maple Ridge in OctoberCanada · 52 kmHigh 13.6°C · Low 6.5°C · 319 mm rain
- Delta in OctoberCanada · 55 kmHigh 13.6°C · Low 7.9°C · 155 mm rain
- New Westminster in OctoberCanada · 59 kmHigh 13.2°C · Low 6.5°C · 246 mm rain
- Chilliwack in OctoberCanada · 60 kmHigh 13.9°C · Low 6.7°C · 256 mm rain
- Coquitlam in OctoberCanada · 62 kmHigh 13.9°C · Low 7.3°C · 271 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bellingham) is explained once on the Bellingham year overview and on the Sources, method and limits page.