Port Orford, Oregon climate: Normal weather by month, frost dates and records

Port Orford's normal year runs from 41°F December nights to 68°F August afternoons, with 71.6 inches of precipitation a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 11.9°C, December lows of 5°C, August highs of 20°C, 1,819 mm of precipitation a year.

  • NOAA stationPort Orford #2
  • Station IDUSC00356784
  • Location42.75°N 124.50°W
  • Elevation42 ft (13 m)
  • Population1,114

On October 14, the normal high in Port Orford is 64°F and the normal low 48°F, and the chance of measurable rain or snow is 36%.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Port Orford.

  1. Jan 54° 42°
  2. Feb 55° 41°
  3. Mar 55° 42°
  4. Apr 57° 44°
  5. May 61° 48°
  6. Jun 64° 51°
  7. Jul 68° 54°
  8. Aug 68° 54°
  9. Sep 67° 51°
  10. Oct 63° 48°
  11. Nov 57° 44°
  12. Dec 55° 41°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

What is the weather like in Port Orford each month?

August is the warmest month, with normal highs of 68°F; December the coldest, with normal lows of 41°F. The most precipitation falls in December (12.62 in), the least in July (0.40 in).

Port Orford monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.Wet days90°F daysFreezing nightsDaylight
January 54°F42°F48.0°F 11.60 20<139 h 20 min
February 55°F41°F48.1°F 8.51 17<1210 h 30 min
March 55°F42°F48.8°F 9.34 20<1111 h 50 min
April 57°F44°F50.5°F 6.79 18<1<113 h 20 min
May 61°F48°F54.2°F 3.39 11<1<114 h 40 min
June 64°F51°F57.4°F 1.90 8<1<115 h 20 min
July 68°F54°F60.7°F 0.40 2<1<115 h
August 68°F54°F60.9°F 0.56 3<1<114 h
September 67°F51°F59.3°F 1.54 6<1<112 h 30 min
October 63°F48°F55.4°F 4.82 12<1<111 h 10 min
November 57°F44°F50.4°F 10.16 20<119 h 50 min
December 55°F41°F47.6°F 12.62 20<149 h
Year (annual)60°F47°F53.4°F71.63158<111
The same normals in °C and millimetres
Port Orford monthly normals, 1991-2020 (°C, mm)
MonthHighLowMeanPrecip.
January12°C5°C8.9°C295 mm
February13°C5°C8.9°C216 mm
March13°C6°C9.3°C237 mm
April14°C7°C10.3°C172 mm
May16°C9°C12.3°C86 mm
June18°C11°C14.1°C48 mm
July20°C12°C15.9°C10 mm
August20°C12°C16.1°C14 mm
September20°C11°C15.2°C39 mm
October17°C9°C13.0°C122 mm
November14°C6°C10.2°C258 mm
December13°C5°C8.7°C321 mm
Normal daily high and low by month, Port Orford
Normal precipitation by month, Port Orford (inches)

Source: NOAA NCEI 1991-2020 monthly normals, station USC00356784; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.

When is the best weather to visit Port Orford?

Normal highs sit between 65°F and 85°F in July, August and September. Of those, July has the fewest days with rain (2).

That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.

Source: NOAA NCEI 1991-2020 monthly normals, station USC00356784.

When is the last frost in Port Orford?

In Port Orford, the last spring frost (32°F) comes after February 17 in half of years and after March 19 in one year in ten; the first autumn frost comes before December 3 in half of years and before November 8 in one year in ten.

Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years

Last spring frost, half of years after
February 171 year in 10 after March 19; 9 in 10 after December 28
First autumn frost, half of years before
December 31 year in 10 before November 8; 9 in 10 before January 11

NOAA puts the median frost-free season at 292 days, and the season without a hard freeze (28°F) at 357 days.

A hard freeze (28°F) comes after January 6 in half of springs and before December 22 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Port Orford in zone 9b in ZIP code 97465, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Port Orford's NOAA station is in zone 9b: the coldest night of a typical year reaches 28°F (30 complete years).

Frost dates for every NOAA station in Oregon · Frost dates by ZIP code

Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00356784; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.

How hot and how cold does it get in Port Orford?

In a normal year in Port Orford, a 90°F day is rare, 11 nights fall to 32°F or colder and 158 days bring measurable precipitation.

Days at 90°F or more
fewer than 1a normal year
Days at 100°F or more
fewer than 1a normal year
Nights at 32°F or colder
11a normal year
Days that stay below freezing
fewer than 1high of 32°F or less
Days with 0.01 inch of precipitation
158a normal year

The highest temperature in this station's record (since 1905) is 95°F, on September 10, 1938; the lowest is 13°F, on December 8, 1972.

The wettest calendar year on that record is 1937, with 106.23 in; the snowiest season is 2022–23, with 6.0 inches.

Source: NOAA NCEI 1991-2020 annual normals, station USC00356784; records: ACIS (NOAA Regional Climate Centers), station USC00356784. Records use complete months only; a month missing more than three days is left out.

How sunny is Port Orford?

Over a year 76% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Port Orford, 4.2 kWh per square metre a day. July is the sunniest month (87%) and December the cloudiest (60%).

Port Orford: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January63%1.7
February65%2.5
March66%3.6
April71%5.0
May77%6.3
June81%7.0
July87%7.3
August85%6.2
September82%4.8
October75%3.2
November65%1.9
December60%1.4

Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.

How much heating and cooling does Port Orford need?

A normal year in Port Orford brings 4,218 heating degree days, 21% fewer than the median U.S. place (5,373), and 11 cooling degree days, 99% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,718 growing degree days a year above 50°F.

Port Orford: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January5270
February4730
March5010
April4350
May3351
June2291
July1363
August1283
September1763
October3011
November4380
December5390
Year (annual)4,21811

Source: NOAA NCEI 1991-2020 monthly normals, station USC00356784. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.

Has Port Orford been warmer than normal lately?

2025 averaged 53.5°F, 0.1°F above the 1991-2020 normal of 53.4°F. 2 of the 4 complete years since 2022 ran warmer than the normal.

Port Orford: each recent year's mean against the 1991-2020 normal (53.4°F)
YearMeanAgainst normalPrecip.
202252.2°F−1.2°F57.39
202352.9°F−0.5°F70.87
202454.0°F+0.6°F85.85
202553.5°F+0.1°F61.68

Over 41 complete years from 1965 to 2025, the station's annual mean temperature rose at a fitted 3.7°F per century (+0.20°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.

Source: observed years: ACIS, station USC00356784; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.

How does Port Orford's climate compare?

Port Orford is warmer than 77 of the other 104 places with their own NOAA record in Oregon, and wetter than 84. Across the 7,247 U.S. stations with normals, its annual mean of 53.4°F is warmer than 55%.

In the Köppen classification computed from these normals, Port Orford is Csb: temperate, dry-summer, warm summer. What the classes mean.

Places with the most similar year elsewhere

Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:

Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.

Questions about Port Orford's climate

What is the coldest month in Port Orford?

December, with a normal high of 55°F and a normal low of 41°F. The warmest is August (68°F by day, 54°F at night).

What is the rainiest month in Port Orford?

December, with 12.62 in of precipitation in a normal year; the driest is July with 0.40 in.

What plant hardiness zone is Port Orford in?

The USDA's 2023 map puts Port Orford in zone 9b in ZIP code 97465, the nearest ZIP area. By the same method at Port Orford's NOAA station, the coldest night of a typical year reaches 28°F (30 years, 1991-2020): zone 9b.

How late can frost come in Port Orford?

In half of years the last 32°F night comes after February 17; in one year in ten it comes after March 19. Waiting until March 19 leaves about a one-in-ten chance of a later frost.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made