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.

Main image
Bull Mountain, Oregon
Bull Mountain, Oregon, USA
45.4182, -122.8223

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.

Spring
April-June · 8-20°C (46-68°F)
Wildflowers and green hills; best for hiking and running.
Autumn
September-November · 5-18°C (41-64°F)
Clearer air with cooling temperatures; quieter trails.

Weather & Climate near Bull Mountain, Oregon #

Climate

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.

Temperature & Rainfall
Temperature Range
27°
Warmest Month
Coldest Month
Monthly Conditions

January

January is cold with highs of 8°C and lows of 1°C. Significant rainfall (188 mm).

Comfort

Feels Like Cold
C
Temperature

Weather

188 mm
Rainfall
3.1 m/s
Wind
Light Breeze

February

February is cold with highs of 11°C and lows of 2°C. Significant rainfall (148 mm).

Comfort

Feels Like Cold
C
Temperature
11°

Weather

148 mm
Rainfall
3.0 m/s
Wind
Light Breeze

March

March is cold with highs of 13°C and lows of 3°C. Significant rainfall (129 mm).

Comfort

Feels Like Cold
C
Temperature
13°

Weather

129 mm
Rainfall
3.0 m/s
Wind
Light Breeze

April

April is cold with highs of 16°C and lows of 4°C. Regular rainfall (87 mm).

Comfort

10°
Feels Like Cold
10°C
Temperature
16°

Weather

87 mm
Rainfall
2.9 m/s
Wind
Calm

May

May is cool with highs of 19°C and lows of 7°C. Moderate rainfall (67 mm).

Comfort

13°
Feels Like Cool
13°C
Temperature
19°

Weather

67 mm
Rainfall
2.8 m/s
Wind
Calm

June

June is cool with highs of 22°C and lows of 10°C. Moderate rainfall (46 mm).

Comfort

16°
Feels Like Cool
16°C
Temperature
10° 23°

Weather

46 mm
Rainfall
3.0 m/s
Wind
Light Breeze

July

July is mild with highs of 26°C and lows of 12°C. The driest month with just 19 mm.

Comfort

19°
Feels Like Mild
19°C
Temperature
12° 26°

Weather

19 mm
Rainfall
3.0 m/s
Wind
Light Breeze

August

August is the warmest month with highs of 27°C and lows of 11°C. Light rainfall.

Comfort

19°
Feels Like Mild
19°C
Temperature
11° 27°

Weather

26 mm
Rainfall
2.8 m/s
Wind
Calm

September

September is cool with highs of 24°C and lows of 9°C. Moderate rainfall (50 mm).

Comfort

17°
Feels Like Cool
17°C
Temperature
24°

Weather

50 mm
Rainfall
2.6 m/s
Wind
Calm

October

October is cool with highs of 18°C and lows of 6°C. Regular rainfall (93 mm).

Comfort

12°
Feels Like Cool
12°C
Temperature
18°

Weather

93 mm
Rainfall
2.4 m/s
Wind
Calm

November

November is cold with highs of 11°C and lows of 3°C. Significant rainfall (188 mm).

Comfort

Feels Like Cold
C
Temperature
11°

Weather

188 mm
Rainfall
2.9 m/s
Wind
Calm

December

December is the coolest month with highs of 8°C and lows of 1°C. The wettest month with heavy rain (207 mm).

Comfort

Feels Like Cold
C
Temperature

Weather

207 mm
Rainfall
3.1 m/s
Wind
Light Breeze

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