Myrtle Creek weather by month
What a typical year looks like in Myrtle Creek, Oregon: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at ROSEBURG REGIONAL AP, 24 km from Myrtle Creek; records cover 1900–2026.
The year at a glance
- Precipitation a year
- 32.1 in815 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 22
- First fall freeze
- Nov 19
- Heating degree days
- 3,911
- Cooling degree days
- 607
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 27°−3° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Myrtle Creek in January
Highs average 50°10° and lows 37°3°, with 4.8 in122 mm of precipitation in a typical January.
- Record high
- 71°22° (2018)
- Record low
- −1°−18° (1962)
- Heating degree days
- 663
- Cooling degree days
- 0
Myrtle Creek in February
Highs average 54°12° and lows 38°3°, with 3.6 in92 mm of precipitation in a typical February.
- Record high
- 79°26° (1932)
- Record low
- 13°−11° (1956)
- Heating degree days
- 542
- Cooling degree days
- 0
Myrtle Creek in March
Highs average 59°15° and lows 40°4°, with 3.5 in88 mm of precipitation in a typical March.
- Record high
- 83°28° (1947)
- Record low
- 19°−7° (1956)
- Heating degree days
- 491
- Cooling degree days
- 0
Myrtle Creek in April
Highs average 63°17° and lows 43°6°, with 2.7 in69 mm of precipitation in a typical April.
- Record high
- 95°35° (2023)
- Record low
- 25°−4° (1936)
- Heating degree days
- 365
- Cooling degree days
- 2
Myrtle Creek in May
Highs average 71°22° and lows 48°9°, with 2.1 in53 mm of precipitation in a typical May.
- Record high
- 105°41° (2008)
- Record low
- 26°−3° (1954)
- Heating degree days
- 196
- Cooling degree days
- 24
Myrtle Creek in June
Highs average 77°25° and lows 53°11°, with 0.93 in24 mm of precipitation in a typical June.
- Record high
- 114°46° (2021)
- Record low
- 34°1° (1954)
- Heating degree days
- 79
- Cooling degree days
- 67
Myrtle Creek in July
Highs average 86°30° and lows 57°14°, with 0.26 in6.6 mm of precipitation in a typical July.
- Record high
- 109°43° (1946)
- Record low
- 39°4° (1962)
- Heating degree days
- 7
- Cooling degree days
- 212
Myrtle Creek in August
Highs average 86°30° and lows 57°14°, with 0.23 in5.8 mm of precipitation in a typical August.
- Record high
- 109°43° (2020)
- Record low
- 41°5° (1955)
- Heating degree days
- 5
- Cooling degree days
- 207
Myrtle Creek in September
Highs average 80°27° and lows 52°11°, with 0.85 in22 mm of precipitation in a typical September.
- Record high
- 105°41° (2024)
- Record low
- 32°0° (1954)
- Heating degree days
- 53
- Cooling degree days
- 88
Myrtle Creek in OctoberThis month
Highs average 67°19° and lows 45°7°, with 2.3 in59 mm of precipitation in a typical October.
- Record high
- 96°36° (1934)
- Record low
- 21°−6° (2002)
- Heating degree days
- 285
- Cooling degree days
- 7
Myrtle Creek in November
Highs average 54°12° and lows 41°5°, with 4.7 in120 mm of precipitation in a typical November.
- Record high
- 77°25° (2020)
- Record low
- 15°−9° (1955)
- Heating degree days
- 528
- Cooling degree days
- 0
Myrtle Creek in December
Highs average 48°9° and lows 37°3°, with 6.1 in154 mm of precipitation in a typical December.
- Record high
- 70°21° (1940)
- Record low
- 5°−15° (1932)
- Heating degree days
- 697
- Cooling degree days
- 0