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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Scappoose, Oregon, is a frosty winter month, with an average temperature fluctuating between 34°F (1.1°C) and 45°F (7.2°C). Scappoose's shift into January is marked by a subtle change to a still frosty 45°F (7.2°C) from December's 42.8°F (6°C) in temperature. Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Scappoose, Oregon, with an average temperature fluctuating between 46.6°F (8.1°C) and 34.2°F (1.2°C). Scappoose marks the start of February with an average high-temperature of a still chilly 46.6°F (8.1°C), hinting at a slight fluctuation from January's 45°F (7.2°C). Weather in February »
Weather in March
March, the first month of the spring in Scappoose, is a fresh month, with temperature in the range of an average high of 51.3°F (10.7°C) and an average low of 36.3°F (2.4°C). The start of March marks an average high-temperature of a fresh 51.3°F (10.7°C), hardly distinguishable from the conditions in February. Weather in March »
Weather in April
April in Scappoose, Oregon, is a refreshing spring month, with an average temperature varying between 56.8°F (13.8°C) and 38.5°F (3.6°C). With the onset of April, Scappoose's average high-temperature sees a modest rise, moving from March's fresh 51.3°F (10.7°C) to a mild 56.8°F (13.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Scappoose, Oregon, with an average temperature ranging between max 65.8°F (18.8°C) and min 42.6°F (5.9°C). May's arrival is marked by an increase in the average high-temperature, moving from a moderate 56.8°F (13.8°C) in April to a still refreshing 65.8°F (18.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Scappoose, Oregon, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 70.5°F (21.4°C). As May transitions into June, Scappoose records an average high-temperature of a pleasant 70.5°F (21.4°C), showing a gentle shift from the preceding month. Weather in June »
Weather in July
July in Scappoose, Oregon, is a moderately hot summer month, with an average temperature varying between 51.3°F (10.7°C) and 78.4°F (25.8°C). July's arrival brings a slight change in high-temperatures, adjusting from an agreeable 70.5°F (21.4°C) in June to a warm 78.4°F (25.8°C). Weather in July »
Weather in August
August, the last month of the summer in Scappoose, is also a moderately hot month, with an average temperature varying between 52.9°F (11.6°C) and 79.7°F (26.5°C). Scappoose records the warmest temperatures in August, averaging a high of 79.7°F (26.5°C) and a low of 52.9°F (11.6°C). Weather in August »
Weather in September
September, the first month of the autumn in Scappoose, is still a pleasant month, with an average temperature varying between 72.3°F (22.4°C) and 49.8°F (9.9°C). The shift from August to September includes a small decrease in the average high-temperature, from a warm 79.7°F (26.5°C) to an agreeable 72.3°F (22.4°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Scappoose, Oregon, with an average temperature varying between 60.1°F (15.6°C) and 43.7°F (6.5°C). The average high-temperature decreases in October, shifting from a pleasant 72.3°F (22.4°C) in September to a mild 60.1°F (15.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Scappoose, is another chilly month, with an average temperature fluctuating between 38.5°F (3.6°C) and 49.6°F (9.8°C). The shift from October to November involves a decrease in the average high-temperature, dropping from a moderate 60.1°F (15.6°C) to a chilly 49.6°F (9.8°C). Weather in November »
Weather in December
December, the first month of the winter in Scappoose, is still a chilly month, with an average temperature ranging between min 33.1°F (0.6°C) and max 42.8°F (6°C). Scappoose's coldest temperatures are experienced in December, with average high temperatures of 42.8°F (6°C) and lows of 33.1°F (0.6°C). Weather in December »
Updated: Jun 4, 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
What is the rainiest month?
January is the month with the most rainfall in Scappoose. Rain falls for 19.3 days and accumulates 5.24" (133mm) of precipitation.
How much does it rain?
Throughout the year, there are 181.3 rainfall days, and 35.55" (903mm) of precipitation is accumulated.
When does it snow?
January through March, November and December are months with snowfall.
How many days does it snow?
Throughout the year, there are 6.7 snowfall days, and 4.45" (113mm) of snow is accumulated.
What is the month with the least sunshine?
January and February, with an average of 3.8h of sunshine, are months with the least sunshine in Scappoose.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the most humid month?
The months with the highest humidity are February and November, with an average relative humidity of 87%.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 2.1 days and typically aggregates up to 1.77" (45mm) of snow.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
April through October are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 42min of daylight.
What are the least humid months?
July and August, with an average relative humidity of 69%, are the least humid months.
When is the highest UV index?
With an average maximum UV index of 6, July is the month with the highest UV index.
What time of the year is the hottest in Scappoose?
Scappoose's warmest temperatures are experienced in August, with average high temperatures of 79.7°F (26.5°C) and lows of 52.9°F (11.6°C).
What is the driest month?
The month with the least rainfall is August, when the rain falls for 5.5 days and typically collects 0.43" (11mm) of precipitation.
What month has the most sunshine?
With an average of 10.7h of sunshine, August has the most sunshine of the year.
What month is the coldest?
December, marked by an average high-temperature of 42.8°F (6°C) and a low-temperature of 33.1°F (0.6°C), is the coldest month.
What is the month with the shortest days?
With an average of 8h and 42min of daylight, December has the shortest days of the year.
Average temperature
Scappoose, OR
The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (42.8°F).
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure
Scappoose, OR
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"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:
30.04"Hg
- Average pressure in July:
30.04"Hg - Average pressure in August:
30.01"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:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed
Scappoose, OR
- Average wind speed in January:
4.7mph - Average wind speed in February:
4.7mph - Average wind speed in March:
4.8mph - Average wind speed in April:
4.5mph - Average wind speed in May:
4.2mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.2mph - Average wind speed in September:
4mph - Average wind speed in October:
4.2mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.6mph
The windiest month (with the highest average wind speed) is March (4.8mph).
The calmest month (with the lowest average wind speed) is September (4mph).
Average humidity
Scappoose, OR
The months with the highest relative humidity are February and November (87%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall
Scappoose, OR
- Average rainfall in January:
5.24" - Average rainfall in February:
3.74" - Average rainfall in March:
3.94" - Average rainfall in April:
3.23" - Average rainfall in May:
2.09" - Average rainfall in June:
1.54"
- Average rainfall in July:
0.47" - Average rainfall in August:
0.43" - Average rainfall in September:
1.81" - Average rainfall in October:
3.9" - Average rainfall in November:
4.09" - Average rainfall in December:
5.08"
The wettest month (with the highest rainfall) is January (5.24").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days
Scappoose, OR
- Average rainfall days in January:
19.3 days - Average rainfall days in February:
17.7 days - Average rainfall days in March:
21.1 days - Average rainfall days in April:
19.7 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
11.7 days
- Average rainfall days in July:
5.5 days - Average rainfall days in August:
5.5 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
19.2 days - Average rainfall days in December:
20.3 days
The month with the highest number of rainy days is March (21.1 days).
The months with the least rainy days are July and August (5.5 days).
Average snowfall
Scappoose, OR
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Scappoose, OR
- Average snowfall days in January:
1.9 days - Average snowfall days in February:
2.1 days - Average snowfall days in March:
1.5 days - Average snowfall days in April:
0 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:
0.5 days - Average snowfall days in December:
0.7 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Scappoose, OR
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 1min - Average sunshine in December:
3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days
Scappoose, OR
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
8.8 days - Average sunshine days in April:
8.1 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
16.1 days
- Average sunshine days in July:
23.2 days - Average sunshine days in August:
23.1 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
14.6 days - Average sunshine days in November:
9.2 days - Average sunshine days in December:
9.2 days
The month with the most sunshine days is July (23.2 days).
The month with the least sunshine days is February (7.8 days).
Average UV index
Scappoose, 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
Scappoose, OR
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Scappoose, OR
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Scappoose, Oregon, USA
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