Climate and monthly weather forecastMilwaukie, OR
Climate and monthly weather forecast
The climate of Milwaukie
Situated in the northern region of Oregon, Milwaukie enjoys a Mediterranean climate with warm summers under the Köppen climate classification, more specifically, Csb. This positioning affects the city's weather significantly, providing it with a temperate climate that exhibits distinctions in weather patterns on a month-to-month basis.Throughout the year, Milwaukie's weather fluctuates but generally stays within a comfortable range. Monthly average maximum temperatures shift from a low of 44.4°F (6.9°C) in the coldest month to a high of 81.7°F (27.6°C) during the warmest season. The least temperature recorded on average is 34.7°F (1.5°C) while the highest achievable average low is 54.5°F (12.5°C).
Precipitation in Milwaukie follows a predictable pattern with the heaviest rainfalls experienced from November through January, with the highest amount falling in September at 4.57" (116mm). The driest months are from June to August with minimum precipitation registered at 0.31" (8mm) in July. Snowfall occurs but quite scantily. Its occurrence is limited to the colder months, with 1.46" (37mm) at its peak in March.
A unique weather tendency that deserves note is the decline in humidity experienced from February to July as it drops from 84% to 64%. However, this trend reverses when the humidity begins to rise from August, reaching 83% again in December.
The best time to visit Milwaukie
Based on the aforementioned climatic behavior, the most desirable time to visit Milwaukie is from late Spring to early Autumn, specifically between May and September. This time frame promises the longest days, with daylight hours peaking in June at 15.6 hours, and temperature averaging from 58.6°F (14.8°C) to 81.7°F (27.6°C). This period also witnesses the least amount of rainfall and hence, travelers can explore the city without worrying much about sudden showers.The worst time to visit Milwaukie
In contrast, the least favorable time for travel to Milwaukie is during the late autumn and winter months, specifically between November and January. Temperatures within this period fall considerably, falling as low as 34.7°F (1.5°C). Shorter daylight hours, precipitation spikes, and a high incidence of cloud cover further make this period less welcoming for sightseeing and outdoor activities.Spring weather in Milwaukie
Come spring, Milwaukie comes alive with temperatures springing to averages between 46.2°F (7.9°C) and 66.7°F (19.3°C). The daylight hours are increased significantly, ranging from 12 hours in March to 14.9 hours in May. While rainfall is still prominent in spring, it tapers off significantly as the season progresses yielding to more sunshine receipt around mid-April. Wind speed recorded an average of 5.2mph (8.4km/h), making it a perfect time for leisurely strolls in the city.Summer weather in Milwaukie
Milwaukie's summer offers the best in terms of weather factors. Average temperatures range from 72.1°F (22.3°C) to 81.7°F (27.6°C), maximum daylight hours are recorded, and the levels of precipitation fall dramatically. June marks the beginning of the dry spell, lasting until August with July experiencing a bare minimum of rainfall at 0.31" (8mm). An increase in visibility, coupled with a UV index of 6, sets the stage for sunbathing and pleasant sightseeing experiences.Autumn weather in Milwaukie
Autumn ushers in lower temperatures, ranging from 74.1°F (23.4°C) in September to 44.4°F (6.9°C) by the end of November. Rainfall makes a comeback in September, gradually rising each month through November. The months of September and October observe relative humidity at about 70%, going up to 83% in November.Winter weather in Milwaukie
Winter in Milwaukie is characterized by cool temperatures hovering from 44.4°F (6.9°C) to 35.2°F (1.8°C), shorter daylight hours, and increased rainfall. December records the highest average rainfall at 4.57" (116mm). The humidity level remains consistently high, averaging 82% in December and 83% in January. Despite the chilly weather, snowfall remains minimal and averages less than an inch throughout most winter months.Weather in January
The chill of winter becomes truly noticeable in Milwaukie, Oregon with low temperatures averaging around 35.2°F (1.8°C), combined with an elevated relative humidity of approximately 83%. January's weather can also be characterized by its limited daylight hours, accompanied by frosty mornings and cold evenings that warrant extra layers of clothing. Weather in January »Weather in February
The transition from January to February in Milwaukie brings subtle changes in temperature, with highs reaching up to 47.5°F (8.6°C) and lows around 35.6°F (2°C). February retains a significant level of humidity, mimicking January’s atmospheric moisture, while the prospect of rain remains ever-present. Weather in February »Weather in March
March in Milwaukie sees a much-welcomed reprieve from the cold grip of winter, as the city transitions toward warmer spring temperatures. March sees a minor decrease in relative humidity, alongside diminished rainfall, indicating a gradual shift in the city's microclimate. Weather in March »Weather in April
April brings warmer temperatures and increases daylight hours, marking the arrival of spring in Milwaukie. The highest temperature now averages at 58.6°F (14.8°C), a significant increase from the cooler climes of March. Notably, the city's relative humidity drops, precipitating a noticeable decrease in rainfall following the wetter months. Weather in April »Weather in May
As the spring deepens in Milwaukie, May graces the city with relatively warmer weather, interspersed with longer daylight hours. Although the temperatures continue their upward trend, rainfall significantly decreases, marking May as the beginning of the drier period. Weather in May »Weather in June
June marks the onset of summer in Milwaukie, signified by consistently warmer temperatures and extended daylight hours. June enjoys an average high temperature of 72.1°F (22.3°C), which combines with lower relative humidity and decline in rainfall to create ideal conditions for numerous outdoor pursuits. Weather in June »Weather in July
July witnesses the highest temperatures of the year in Milwaukie, averaging a high of 80.8°F (27.1°C), indicative of the city's summer peak. Reduced cloud cover permits an abundance of sun, making July the sunniest month on the calendar. Weather in July »Weather in August
August in Milwaukie maintains July's warmth, with temperatures peaking at an average high of 81.7°F (27.6°C). Intense sunlight prevails, an outcome of the decreased cloud cover, coupled with an impressive 11 hours of sunshine. Weather in August »Weather in September
September marks the gradual transition from summer to autumn in Milwaukie, with temperatures starting to cool and rainfall beginning to increase again to 1.69" (43mm). The daily sunshine hours reduce, underlining the inevitable approach of fall. Weather in September »Weather in October
October sees clearer signs of autumn's arrival in Milwaukie, with the drop in temperatures becoming more evident, particularly during the evenings. Alongside these chillier nights, rainfall also marks a significant increase. October’s weather undergoes swift changes, moving between brilliant sunshine and showers. Weather in October »Weather in November
November ushers in heightened signs of winter's approach in Milwaukie with temperatures dipping further, particularly during late evenings and early mornings. Rainfall continues its upward trend, making November a relatively wet month. Weather in November »Weather in December
December marks the onset of winter in Milwaukie, with the lowest average temperature of the year observed at 34.7°F (1.5°C). Accompanied by the highest average rainfall of 4.57" (116mm), December is the wettest and coldest month. Weather in December »Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Milwaukie, Oregon, during the entire year, the rain falls for 172.2 days and collects up to 31.3" (795mm) of precipitation.
January through March, November and December are months with snowfall.
Throughout the year, there are 6.5 snowfall days, and 4.13" (105mm) of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
With an average relative humidity of 84%, February is the most humid month.
The month with the least sunshine is February, with an average of 4.2h of sunshine.
March is the month with the most snowfall. Snow falls for 1.6 days and accumulates 1.46" (37mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
April through October are months without snowfall.
With an average of 15h and 36min of daylight, June has the longest days of the year.
July is the month with the least rainfall. Rain falls for 4.8 days and accumulates 0.31" (8mm) of precipitation.
July is the month with the highest UV index, with an average maximum UV index of 6.
August, with its average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 54.5°F (12.5°C), holds the record as the warmest month.
The least humid month is August, with an average relative humidity of 63%.
August has the most sunshine of the year, with an average of 11h of sunshine.
December, marked by an average high-temperature of 44.4°F (6.9°C) and a low-temperature of 34.7°F (1.5°C), is the coldest month.
The month with the most rainfall is December, when the rain falls for 18.5 days and typically aggregates up to 4.57" (116mm) of precipitation.
With an average of 8h and 48min of daylight, December has the shortest days of the year.
Average temperature
Milwaukie, OR
The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.4°F).
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure
Milwaukie, OR
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Milwaukie, OR
- Average wind speed in January:
6mph - Average wind speed in February:
5.7mph - Average wind speed in March:
5.4mph - Average wind speed in April:
4.8mph - Average wind speed in May:
4.2mph - Average wind speed in June:
4mph
- Average wind speed in July:
4mph - Average wind speed in August:
3.7mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.7mph - Average wind speed in November:
5.7mph - Average wind speed in December:
5.7mph
The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity
Milwaukie, OR
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall
Milwaukie, OR
- Average rainfall in January:
4.25" - Average rainfall in February:
3.35" - Average rainfall in March:
3.46" - Average rainfall in April:
3.19" - Average rainfall in May:
1.77" - Average rainfall in June:
1.46"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.35" - Average rainfall in September:
1.69" - Average rainfall in October:
3.35" - Average rainfall in November:
3.54" - Average rainfall in December:
4.57"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days
Milwaukie, OR
- Average rainfall days in January:
17.9 days - Average rainfall days in February:
17 days - Average rainfall days in March:
20.4 days - Average rainfall days in April:
18.6 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
11.4 days
- Average rainfall days in July:
4.8 days - Average rainfall days in August:
5 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
18.8 days - Average rainfall days in December:
18.5 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is July (4.8 days).
Average snowfall
Milwaukie, OR
The month with the highest snowfall is March (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Milwaukie, OR
- Average snowfall days in January:
1.5 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
1.6 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
0.8 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Milwaukie, OR
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 30min - Average sunshine in November:
4h and 42min - Average sunshine in December:
4h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days
Milwaukie, OR
- Average sunshine days in January:
11.2 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
8.7 days - Average sunshine days in April:
8.5 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
23.9 days - Average sunshine days in August:
23.8 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
14.1 days - Average sunshine days in November:
9.6 days - Average sunshine days in December:
10.9 days
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.3 days).
Average UV index
Milwaukie, OR
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Milwaukie, OR
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility
Milwaukie, OR
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
