Climate averages 1991–2020
Gresham weather
in April.
A cool, wet month: the 7th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Gresham: daytime highs average 14.0°C and nights cool to about 4.5°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 142 mm of rain on roughly 17 days, which makes April a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 29 min on an average April day.
The nearest other city in this atlas is Portland (19 km away). In April its highs average 14.9°C, 0.9°C warmer than Gresham, with 115 mm of rain.
Among the 498 cities listed in the United States, Gresham ranks joint 404th of 498 for the warmest April highs and joint 496th of 498 for the driest April (rainfall, lowest first). The mean April high of those 498 cities is 19.4°C; Gresham is 5.4°C cooler than that mean.
From April to May, average highs rise by 3.8°C to 17.8°C, and monthly rainfall falls from 142 mm to 89 mm.
The annual picture
April 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 | 11.5°C2.4°C | 2.4°C | 178 | 18.2 | 11.912 h |
| April, selected | 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
April in nearby cities
- Portland in AprilUnited States · 19 kmHigh 14.9°C · Low 5.4°C · 115 mm rain
- Vancouver, United States in AprilUnited States · 24 kmHigh 14.5°C · Low 5.2°C · 142 mm rain
- Beaverton in AprilUnited States · 29 kmHigh 14.4°C · Low 5.1°C · 115 mm rain
- Hillsboro in AprilUnited States · 44 kmHigh 14.6°C · Low 5.2°C · 115 mm rain
- Salem, United States in AprilUnited States · 78 kmHigh 14.6°C · Low 5.1°C · 92 mm rain
- Eugene in AprilUnited States · 169 kmHigh 14.4°C · Low 4.6°C · 130 mm rain
- Bend in AprilUnited States · 183 kmHigh 11.7°C · Low 0.2°C · 46 mm rain
- Yakima in AprilUnited States · 193 kmHigh 15.6°C · Low 2.9°C · 19 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.