Portland, Oregon2005 Climate Data
North America Region, US
Detailed temperature analysis for 2005 with 360 daily measurements across 12 months.
Avg: 54.0°F
12 Months
360 Records
Year Average
54.0°F
2005
Highest
77.9°F
Lowest
29.4°F
Range
48.5°F
Monthly Temperature Progression - 2005
32°F
40°F
Jan
43°F
Feb
50°F
Mar
52°F
Apr
60°F
May
61°F
Jun
69°F
Jul
69°F
Aug
62°F
Sep
56°F
Oct
44°F
Nov
39°F
Dec
Below Freezing
|32°F (0°C)|Above Freezing
Monthly Details - 2005
January 2005
Average:40.2°F
Range:29.4°F - 53.2°F
Days:27 days
Records:27
View Daily Data
February 2005
Average:42.6°F
Range:36.0°F - 54.0°F
Days:28 days
Records:28
View Daily Data
March 2005
Average:49.6°F
Range:43.4°F - 57.0°F
Days:30 days
Records:30
View Daily Data
April 2005
Average:51.8°F
Range:44.8°F - 61.0°F
Days:30 days
Records:30
View Daily Data
May 2005
Average:59.6°F
Range:51.8°F - 75.0°F
Days:31 days
Records:31
View Daily Data
June 2005
Average:61.0°F
Range:53.1°F - 68.8°F
Days:30 days
Records:30
View Daily Data
July 2005
Average:69.4°F
Range:62.2°F - 77.9°F
Days:31 days
Records:31
View Daily Data
August 2005
Average:69.4°F
Range:61.5°F - 77.8°F
Days:31 days
Records:31
View Daily Data
September 2005
Average:62.0°F
Range:55.6°F - 69.7°F
Days:30 days
Records:30
View Daily Data
October 2005
Average:55.8°F
Range:47.7°F - 60.5°F
Days:31 days
Records:31
View Daily Data
November 2005
Average:44.2°F
Range:35.2°F - 52.2°F
Days:30 days
Records:30
View Daily Data
December 2005
Average:39.2°F
Range:30.0°F - 51.5°F
Days:31 days
Records:31
View Daily Data
2005 Climate Summary
The year 2005 in Portland, Oregon, US was characterized by an average temperature of 54.0°F, with temperatures ranging from a low of 29.4°F to a high of 77.9°F.
Temperature Analysis
- Annual Average: 54.0°F
- Temperature Extremes: 48.5°F range
- Data Coverage: 12 months with available observations
- Total Measurements: 360 daily records
Seasonal Patterns
January40.2°F
February42.6°F
March49.6°F
April51.8°F
... and 8 more months