Bull Mountain, Oregon Mountain
Forest-covered mountain near Portland, popular hiking area
A wooded ridge southwest of Portland, Bull Mountain offers neighborhood trails, hilltop views over the Tualatin Valley and local mountain‑bike routes popular with area cyclists.
Bull Mountain, Oregon at a Glance#
How to Get to Bull Mountain, Oregon#
Located in Washington County, Oregon. Access by car from nearby suburbs; local trailheads and parking areas serve recreational users. Public transit access is limited.
Tips for Visiting Bull Mountain, Oregon#
- If planning to hike or run, check local trail maps for permitted routes and private property boundaries.
- Expect dry summer conditions; early morning is best for strenuous activity before heat sets in.
- Look for viewpoints that offer panoramas over the Willamette Valley and Portland suburbs.
Best Time to Visit Bull Mountain, Oregon#
Spring and autumn for comfortable hiking; summer can be hot and dry.
Weather & Climate near Bull Mountain, Oregon#
Bull Mountain, Oregon's climate is classified as Warm-Summer Mediterranean - Warm-Summer Mediterranean climate with mild summers (peaking in August) and cold winters (coldest in December). Temperatures range from 1°C to 27°C. Abundant rainfall (1248 mm/year), wettest in December with a pronounced dry season.
January
January is cold with highs of 8°C and lows of 1°C. Significant rainfall (188 mm).
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February
February is cold with highs of 11°C and lows of 2°C. Significant rainfall (148 mm).
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March
March is cold with highs of 13°C and lows of 3°C. Significant rainfall (129 mm).
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April
April is cold with highs of 16°C and lows of 4°C. Regular rainfall (87 mm).
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May
May is cool with highs of 19°C and lows of 7°C. Moderate rainfall (67 mm).
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June
June is cool with highs of 22°C and lows of 10°C. Moderate rainfall (46 mm).
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July
July is mild with highs of 26°C and lows of 12°C. The driest month with just 19 mm.
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August
August is the warmest month with highs of 27°C and lows of 11°C. Light rainfall.
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September
September is cool with highs of 24°C and lows of 9°C. Moderate rainfall (50 mm).
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October
October is cool with highs of 18°C and lows of 6°C. Regular rainfall (93 mm).
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November
November is cold with highs of 11°C and lows of 3°C. Significant rainfall (188 mm).
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December
December is the coolest month with highs of 8°C and lows of 1°C. The wettest month with heavy rain (207 mm).
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