Markham weather by month
What a typical year looks like in Markham, Washington: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Hoquiam Bowerman Airport, 8 km from Markham; records cover 1953–2026.
The year at a glance
- Precipitation a year
- 68.8 in1747 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 4
- First fall freeze
- Nov 10
- Heating degree days
- 5,114
- Cooling degree days
- 25
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 83°28° (cooling, 1%).
Month by month
Markham in January
Highs average 48°9° and lows 38°3°, with 10.9 in277 mm of precipitation in a typical January.
- Record high
- 63°17° (1961)
- Record low
- 16°−9° (1957)
- Heating degree days
- 690
- Cooling degree days
- 0
Markham in February
Highs average 50°10° and lows 38°3°, with 6.7 in169 mm of precipitation in a typical February.
- Record high
- 72°22° (1992)
- Record low
- 13°−11° (1989)
- Heating degree days
- 599
- Cooling degree days
- 0
Markham in March
Highs average 52°11° and lows 39°4°, with 7.7 in197 mm of precipitation in a typical March.
- Record high
- 79°26° (2019)
- Record low
- 22°−6° (1971)
- Heating degree days
- 597
- Cooling degree days
- 0
Markham in April
Highs average 56°13° and lows 42°5°, with 5.4 in136 mm of precipitation in a typical April.
- Record high
- 84°29° (2014)
- Record low
- 27°−3° (1964)
- Heating degree days
- 488
- Cooling degree days
- 0
Markham in May
Highs average 60°16° and lows 47°8°, with 3 in76 mm of precipitation in a typical May.
- Record high
- 87°31° (2007)
- Record low
- 29°−2° (1954)
- Heating degree days
- 362
- Cooling degree days
- 1
Markham in June
Highs average 63°17° and lows 51°10°, with 2 in51 mm of precipitation in a typical June.
- Record high
- 89°32° (1958)
- Record low
- 36°2° (1956)
- Heating degree days
- 239
- Cooling degree days
- 2
Markham in July
Highs average 67°19° and lows 54°12°, with 0.85 in22 mm of precipitation in a typical July.
- Record high
- 93°34° (1958)
- Record low
- 35°2° (1971)
- Heating degree days
- 150
- Cooling degree days
- 6
Markham in August
Highs average 68°20° and lows 54°12°, with 1.4 in34 mm of precipitation in a typical August.
- Record high
- 95°35° (1981)
- Record low
- 40°4° (1965)
- Heating degree days
- 132
- Cooling degree days
- 8
Markham in September
Highs average 67°19° and lows 51°11°, with 2.5 in64 mm of precipitation in a typical September.
- Record high
- 96°36° (1988)
- Record low
- 32°0° (1972)
- Heating degree days
- 184
- Cooling degree days
- 8
Markham in OctoberThis month
Highs average 60°15° and lows 46°8°, with 6.9 in176 mm of precipitation in a typical October.
- Record high
- 83°28° (1987)
- Record low
- 27°−3° (2023)
- Heating degree days
- 388
- Cooling degree days
- 0
Markham in November
Highs average 52°11° and lows 40°5°, with 11 in278 mm of precipitation in a typical November.
- Record high
- 70°21° (1970)
- Record low
- 12°−11° (1955)
- Heating degree days
- 572
- Cooling degree days
- 0
Markham in December
Highs average 47°8° and lows 37°3°, with 10.5 in267 mm of precipitation in a typical December.
- Record high
- 72°22° (2022)
- Record low
- 9°−13° (1972)
- Heating degree days
- 713
- Cooling degree days
- 0