Climate averages 1991–2020
Gresham 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 Gresham: daytime highs average 11.5°C and nights cool to about 2.4°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 178 mm of rain on roughly 18 days, which makes March a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 53 min on an average March day.
The nearest other city in this atlas is Portland (19 km away). In March its highs average 12.4°C, 0.9°C warmer than Gresham, with 145 mm of rain.
Among the 498 cities listed in the United States, Gresham ranks 319th of 498 for the warmest March highs and joint 496th of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Gresham is 3.5°C cooler than that mean.
From March to April, average highs rise by 2.5°C to 14.0°C, and monthly rainfall falls from 178 mm to 142 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
Gresham climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.5°C1.1°C | 1.1°C | 220 | 18.3 | 9.19 h |
| February | 9.1°C1.2°C | 1.2°C | 167 | 15.7 | 10.310 h |
| March, selected | 11.5°C2.4°C | 2.4°C | 178 | 18.2 | 11.912 h |
| April | 14.0°C4.5°C | 4.5°C | 142 | 16.6 | 13.513 h |
| May | 17.8°C7.9°C | 7.9°C | 89 | 11.6 | 14.915 h |
| June | 20.5°C10.6°C | 10.6°C | 58 | 9.0 | 15.616 h |
| July | 25.5°C13.6°C | 13.6°C | 14 | 2.9 | 15.315 h |
| August | 26.1°C13.9°C | 13.9°C | 20 | 2.9 | 14.114 h |
| September | 22.8°C11.3°C | 11.3°C | 58 | 6.4 | 12.613 h |
| October | 16.0°C7.1°C | 7.1°C | 147 | 12.9 | 11.011 h |
| November | 10.2°C3.4°C | 3.4°C | 230 | 18.0 | 9.610 h |
| December | 6.8°C1.0°C | 1.0°C | 244 | 18.5 | 8.89 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
- Portland in MarchUnited States · 19 kmHigh 12.4°C · Low 3.4°C · 145 mm rain
- Vancouver, United States in MarchUnited States · 24 kmHigh 12.0°C · Low 3.2°C · 178 mm rain
- Beaverton in MarchUnited States · 29 kmHigh 12.0°C · Low 3.3°C · 145 mm rain
- Hillsboro in MarchUnited States · 44 kmHigh 12.1°C · Low 3.5°C · 151 mm rain
- Salem, United States in MarchUnited States · 78 kmHigh 12.3°C · Low 3.5°C · 128 mm rain
- Eugene in MarchUnited States · 169 kmHigh 12.4°C · Low 2.9°C · 160 mm rain
- Bend in MarchUnited States · 183 kmHigh 8.2°C · Low -2.4°C · 56 mm rain
- Yakima in MarchUnited States · 193 kmHigh 10.9°C · Low -0.4°C · 33 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 Gresham) is explained once on the Gresham year overview and on the Sources, method and limits page.