Climate averages 1991–2020
Bellingham weather
in March.
A cool, wet month: the 8th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Bellingham: daytime highs average 9.8°C and nights cool to about 2.6°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 171 mm of rain on roughly 19 days, which makes March a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 51 min on an average March day.
The nearest other city in this atlas is Abbotsford (37 km away). In March its highs average 8.7°C, 1.1°C cooler than Bellingham, with 217 mm of rain.
Among the 498 cities listed in the United States, Bellingham ranks joint 367th of 498 for the warmest March highs and 494th of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Bellingham is 5.1°C cooler than that mean.
From March to April, average highs rise by 2.7°C to 12.5°C, and monthly rainfall falls from 171 mm to 122 mm.
The annual picture
March 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, selected | 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 | 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
March in nearby cities
- Abbotsford in MarchCanada · 37 kmHigh 8.7°C · Low -0.1°C · 217 mm rain
- Langley in MarchCanada · 40 kmHigh 9.9°C · Low 1.6°C · 179 mm rain
- Surrey in MarchCanada · 46 kmHigh 9.5°C · Low 1.5°C · 179 mm rain
- Maple Ridge in MarchCanada · 52 kmHigh 9.0°C · Low 0.8°C · 322 mm rain
- Delta in MarchCanada · 55 kmHigh 9.8°C · Low 3.1°C · 156 mm rain
- New Westminster in MarchCanada · 59 kmHigh 9.2°C · Low 1.2°C · 252 mm rain
- Chilliwack in MarchCanada · 60 kmHigh 8.7°C · Low 1.4°C · 263 mm rain
- Coquitlam in MarchCanada · 62 kmHigh 9.2°C · Low 1.6°C · 280 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.