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Best time to visit Portland

Monthly weather scores combine temperatures, sunshine, rain, and comfort signals to highlight when Portlandis at its most inviting, and when the weather is least cooperative.

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Best overall month

July

Overall score 67.0%

High
84.4°F
Low
59.0°F
Sun
10.9h
Rain
0.0in
Rain days
2.0%
Humidity
55.5%
Wind
8.2mph
Day length
15.3h
Sun percent
71.5%
Month to omit

February

Overall score 11.7%

High
46.8°F
Low
36.3°F
Sun
1.6h
Rain
0.3in
Rain days
53.0%
Humidity
80.8%
Wind
7.7mph
Day length
10.4h
Sun percent
15.3%

Overall travel weather

A simple average of the Heat Seeker, Mild Moderate, and Sun And Dry scores.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. July

Score 67.0%

#1
High
84.4°F
Low
59.0°F
Sun
10.9h
Rain
0.0in
Rain days
2.0%
Humidity
55.5%
Wind
8.2mph
Day length
15.3h
Sun percent
71.5%
Heat score
73.0%
Mild score
42.0%
Dry score
86.0%

2. August

Score 62.3%

#2
High
85.1°F
Low
61.5°F
Sun
9.6h
Rain
0.0in
Rain days
5.0%
Humidity
54.4%
Wind
7.3mph
Day length
14.0h
Sun percent
68.4%
Heat score
72.0%
Mild score
33.0%
Dry score
82.0%

3. June

Score 55.3%

#3
High
74.8°F
Low
53.4°F
Sun
7.6h
Rain
0.1in
Rain days
18.0%
Humidity
62.4%
Wind
7.7mph
Day length
15.6h
Sun percent
48.6%
Heat score
44.0%
Mild score
67.0%
Dry score
55.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. February

Score 11.7%

#1
High
46.8°F
Low
36.3°F
Sun
1.6h
Rain
0.3in
Rain days
53.0%
Humidity
80.8%
Wind
7.7mph
Day length
10.4h
Sun percent
15.3%
Heat score
7.0%
Mild score
2.0%
Dry score
26.0%

2. December

Score 12.0%

#2
High
46.4°F
Low
38.3°F
Sun
1.5h
Rain
0.3in
Rain days
53.0%
Humidity
83.0%
Wind
7.9mph
Day length
8.8h
Sun percent
17.1%
Heat score
7.0%
Mild score
2.0%
Dry score
27.0%

3. January

Score 12.7%

#3
High
47.1°F
Low
37.8°F
Sun
1.8h
Rain
0.2in
Rain days
53.0%
Humidity
81.7%
Wind
7.8mph
Day length
9.2h
Sun percent
19.6%
Heat score
8.0%
Mild score
2.0%
Dry score
28.0%

Heat Seeker

Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. July

Score 73.0%

#1
High
84.4°F
Low
59.0°F
Sun
10.9h
Rain
0.0in
Rain days
2.0%
Humidity
55.5%
Wind
8.2mph
Day length
15.3h
Sun percent
71.5%
Heat high
61.0%
Heat low
100.0%
Heat sun
72.0%
Heat rain
96.0%

2. August

Score 72.0%

#2
High
85.1°F
Low
61.5°F
Sun
9.6h
Rain
0.0in
Rain days
5.0%
Humidity
54.4%
Wind
7.3mph
Day length
14.0h
Sun percent
68.4%
Heat high
63.0%
Heat low
100.0%
Heat sun
68.0%
Heat rain
90.0%

3. September

Score 48.0%

#3
High
76.6°F
Low
56.8°F
Sun
6.6h
Rain
0.1in
Rain days
20.0%
Humidity
60.4%
Wind
6.6mph
Day length
12.5h
Sun percent
52.8%
Heat high
32.0%
Heat low
100.0%
Heat sun
53.0%
Heat rain
60.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. February

Score 7.0%

#1
High
46.8°F
Low
36.3°F
Sun
1.6h
Rain
0.3in
Rain days
53.0%
Humidity
80.8%
Wind
7.7mph
Day length
10.4h
Sun percent
15.3%
Heat high
0.0%
Heat low
32.0%
Heat sun
15.0%
Heat rain
0.0%

2. December

Score 7.0%

#2
High
46.4°F
Low
38.3°F
Sun
1.5h
Rain
0.3in
Rain days
53.0%
Humidity
83.0%
Wind
7.9mph
Day length
8.8h
Sun percent
17.1%
Heat high
0.0%
Heat low
30.0%
Heat sun
17.0%
Heat rain
0.0%

3. January

Score 8.0%

#3
High
47.1°F
Low
37.8°F
Sun
1.8h
Rain
0.2in
Rain days
53.0%
Humidity
81.7%
Wind
7.8mph
Day length
9.2h
Sun percent
19.6%
Heat high
0.0%
Heat low
34.0%
Heat sun
20.0%
Heat rain
0.0%

Mild Moderate

Mild Moderate Score is designed for those who prefer comfortable, temperate weather conditions. It favors moderate temperatures and balanced weather patterns.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. May

Score 69.0%

#1
High
67.6°F
Low
48.9°F
Sun
5.6h
Rain
0.1in
Rain days
27.0%
Humidity
67.4%
Wind
7.0mph
Day length
14.9h
Sun percent
37.5%
Mild high
97.0%
Mild low
48.0%
Mild sun
35.0%
Mild rain
73.0%

2. June

Score 67.0%

#2
High
74.8°F
Low
53.4°F
Sun
7.6h
Rain
0.1in
Rain days
18.0%
Humidity
62.4%
Wind
7.7mph
Day length
15.6h
Sun percent
48.6%
Mild high
37.0%
Mild low
98.0%
Mild sun
57.0%
Mild rain
93.0%

3. October

Score 56.0%

#3
High
63.9°F
Low
48.9°F
Sun
4.7h
Rain
0.1in
Rain days
29.0%
Humidity
66.2%
Wind
6.8mph
Day length
10.9h
Sun percent
43.1%
Mild high
62.0%
Mild low
48.0%
Mild sun
46.0%
Mild rain
69.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. January

Score 2.0%

#1
High
47.1°F
Low
37.8°F
Sun
1.8h
Rain
0.2in
Rain days
53.0%
Humidity
81.7%
Wind
7.8mph
Day length
9.2h
Sun percent
19.6%
Mild high
0.0%
Mild low
0.0%
Mild sun
0.0%
Mild rain
16.0%

2. February

Score 2.0%

#2
High
46.8°F
Low
36.3°F
Sun
1.6h
Rain
0.3in
Rain days
53.0%
Humidity
80.8%
Wind
7.7mph
Day length
10.4h
Sun percent
15.3%
Mild high
0.0%
Mild low
0.0%
Mild sun
0.0%
Mild rain
16.0%

3. December

Score 2.0%

#3
High
46.4°F
Low
38.3°F
Sun
1.5h
Rain
0.3in
Rain days
53.0%
Humidity
83.0%
Wind
7.9mph
Day length
8.8h
Sun percent
17.1%
Mild high
0.0%
Mild low
0.0%
Mild sun
0.0%
Mild rain
16.0%

Sun And Dry

Sun And Dry Score maximizes sun exposure and minimizes all forms of precipitation. Temperature is secondary, preferring mild-to-warm conditions.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. July

Score 86.0%

#1
High
84.4°F
Low
59.0°F
Sun
10.9h
Rain
0.0in
Rain days
2.0%
Humidity
55.5%
Wind
8.2mph
Day length
15.3h
Sun percent
71.5%
Dry sun
72.0%
Dry days
92.0%
Dry rain
100.0%
Dry comfort
94.0%

2. August

Score 82.0%

#2
High
85.1°F
Low
61.5°F
Sun
9.6h
Rain
0.0in
Rain days
5.0%
Humidity
54.4%
Wind
7.3mph
Day length
14.0h
Sun percent
68.4%
Dry sun
68.0%
Dry days
80.0%
Dry rain
100.0%
Dry comfort
97.0%

3. September

Score 56.0%

#3
High
76.6°F
Low
56.8°F
Sun
6.6h
Rain
0.1in
Rain days
20.0%
Humidity
60.4%
Wind
6.6mph
Day length
12.5h
Sun percent
52.8%
Dry sun
53.0%
Dry days
20.0%
Dry rain
100.0%
Dry comfort
65.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. February

Score 26.0%

#1
High
46.8°F
Low
36.3°F
Sun
1.6h
Rain
0.3in
Rain days
53.0%
Humidity
80.8%
Wind
7.7mph
Day length
10.4h
Sun percent
15.3%
Dry sun
15.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%

2. March

Score 27.0%

#2
High
52.7°F
Low
39.4°F
Sun
2.2h
Rain
0.2in
Rain days
48.0%
Humidity
76.9%
Wind
7.6mph
Day length
12.0h
Sun percent
18.4%
Dry sun
18.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%

3. December

Score 27.0%

#3
High
46.4°F
Low
38.3°F
Sun
1.5h
Rain
0.3in
Rain days
53.0%
Humidity
83.0%
Wind
7.9mph
Day length
8.8h
Sun percent
17.1%
Dry sun
17.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%
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