Portland, Oregon2018 Climate Data
North America Region, US
Detailed temperature analysis for 2018 with 362 daily measurements across 12 months.
Avg: 56.1°F
12 Months
362 Records
Year Average
56.1°F
2018
Highest
83.0°F
Lowest
31.6°F
Range
51.4°F
Monthly Temperature Progression - 2018
32°F
45°F
Jan
42°F
Feb
47°F
Mar
53°F
Apr
63°F
May
65°F
Jun
73°F
Jul
71°F
Aug
64°F
Sep
56°F
Oct
48°F
Nov
44°F
Dec
Below Freezing
|32°F (0°C)|Above Freezing
Monthly Details - 2018
January 2018
Average:45.4°F
Range:38.0°F - 51.7°F
Days:29 days
Records:29
View Daily Data
February 2018
Average:42.1°F
Range:31.6°F - 51.8°F
Days:27 days
Records:27
View Daily Data
March 2018
Average:47.1°F
Range:39.8°F - 58.0°F
Days:31 days
Records:31
View Daily Data
April 2018
Average:53.4°F
Range:43.1°F - 68.8°F
Days:30 days
Records:30
View Daily Data
May 2018
Average:62.6°F
Range:53.8°F - 83.0°F
Days:31 days
Records:31
View Daily Data
June 2018
Average:64.7°F
Range:53.4°F - 78.0°F
Days:30 days
Records:30
View Daily Data
July 2018
Average:72.8°F
Range:61.7°F - 81.2°F
Days:31 days
Records:31
View Daily Data
August 2018
Average:71.1°F
Range:61.9°F - 79.6°F
Days:31 days
Records:31
View Daily Data
September 2018
Average:63.6°F
Range:58.3°F - 72.8°F
Days:30 days
Records:30
View Daily Data
October 2018
Average:56.1°F
Range:50.4°F - 64.5°F
Days:31 days
Records:31
View Daily Data
November 2018
Average:48.1°F
Range:41.9°F - 60.6°F
Days:30 days
Records:30
View Daily Data
December 2018
Average:43.9°F
Range:37.8°F - 52.3°F
Days:31 days
Records:31
View Daily Data
2018 Climate Summary
The year 2018 in Portland, Oregon, US was characterized by an average temperature of 56.1°F, with temperatures ranging from a low of 31.6°F to a high of 83.0°F.
Temperature Analysis
- Annual Average: 56.1°F
- Temperature Extremes: 51.4°F range
- Data Coverage: 12 months with available observations
- Total Measurements: 362 daily records
Seasonal Patterns
January45.4°F
February42.1°F
March47.1°F
April53.4°F
... and 8 more months