Best Time to Visit Gresham
Best time: Jul, Aug, Jun, Sep.
Aug is warmest (27.2°C high); Dec is rainiest (240 mm).
Gresham weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 7.8 | 1.1 | 224 | 1.9 |
| Feb | 10.4 | 2.1 | 176 | 3.3 |
| Mar | 12.9 | 3.1 | 162 | 4.9 |
| Apr | 15.7 | 4.2 | 124 | 6.8 |
| May | 19.5 | 7.1 | 95 | 8.4 |
| Jun | 22.8 | 9.8 | 68 | 9.5 |
| Jul | 26.4 | 11.9 | 27 | 10.3 |
| Aug | 27.2 | 11.6 | 35 | 9 |
| Sep | 24.1 | 9.4 | 71 | 6.8 |
| Oct | 17.9 | 5.9 | 122 | 3.9 |
| Nov | 11.1 | 3.4 | 227 | 2.1 |
| Dec | 7.6 | 1.2 | 240 | 1.5 |
Average high temperature
Best months by activity
Overall: JulAugJunSep
Beaches: JulAugJun
Hiking: JulAugJunSep
Sightseeing: JulAugJunSep
Gresham quick facts
What to pack
Cold months (Jan, Feb, Nov, Dec): warm layers and a coat.
Wet months (Jan, Feb, Mar, Apr, May, Oct, Nov, Dec): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Gresham?
Jul, Aug, Jun, Sep.
What is the rainiest month?
Dec, about 240 mm.
What is the warmest month?
Aug, with average highs of 27.2°C.
Where to stay
See Gresham hotels · Book Gresham tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.