Climate and monthly weather forecastMarion, OR
Climate and monthly weather forecast
Weather in January
January, the same as December, in Marion, Oregon, is a frosty winter month, with temperature in the range of an average low of 34.9°F (1.6°C) and an average high of 46.9°F (8.3°C). The transition from December to January sees an average high-temperature of a still frosty 46.9°F (8.3°C), indicating a minor variance from the prior month. Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Marion, Oregon, with an average temperature varying between 47.1°F (8.4°C) and 34.9°F (1.6°C). The average high-temperature during February is a still chilly 47.1°F (8.4°C), almost matching the conditions of the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Marion, Oregon, with an average temperature fluctuating between 51.3°F (10.7°C) and 36.1°F (2.3°C). The initiation of March sees an average high-temperature of a cool 51.3°F (10.7°C), showing minor variations from the previous month. Weather in March »Weather in April
April in Marion, Oregon, is a mild spring month, with an average temperature fluctuating between 56.7°F (13.7°C) and 37.9°F (3.3°C). The shift into April is marked by a modest rise in the average high-temperature, moving from March's fresh 51.3°F (10.7°C) to a mild 56.7°F (13.7°C). Weather in April »Weather in May
May, the last month of the spring in Marion, is a refreshing month, with an average temperature fluctuating between 42.1°F (5.6°C) and 64.9°F (18.3°C). May brings a slight elevation in the average high-temperature, transitioning from April's moderate 56.7°F (13.7°C) to a comfortable 64.9°F (18.3°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Marion, Oregon, with an average temperature ranging between max 70.2°F (21.2°C) and min 46°F (7.8°C). Marion records a slight change with June's average high-temperatures adjusting to a pleasant 70.2°F (21.2°C) from May's 64.9°F (18.3°C). Weather in June »Weather in July
July in Marion, Oregon, is a moderately hot summer month, with an average temperature ranging between min 50.5°F (10.3°C) and max 78.4°F (25.8°C). The start of July brings a subtle rise in the average high-temperature, moving from a pleasant 70.2°F (21.2°C) in June to a warm 78.4°F (25.8°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Marion, Oregon, with an average temperature varying between 52.2°F (11.2°C) and 79.9°F (26.6°C). Marion's August weather, with an average high temperature of 79.9°F (26.6°C) and an average low temperature of 52.2°F (11.2°C), tends to be the warmest of the year. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Marion, Oregon, with an average temperature varying between 72.7°F (22.6°C) and 49.1°F (9.5°C). Marion's weather subtly changes with the onset of September, barely falling from a moderately hot 79.9°F (26.6°C) in August to a pleasant 72.7°F (22.6°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Marion, Oregon, with an average temperature fluctuating between 61.5°F (16.4°C) and 44.1°F (6.7°C). Marion in October undergoes a mild reduction in the average high-temperature, shifting from September's pleasant 72.7°F (22.6°C) to a refreshing 61.5°F (16.4°C). Weather in October »Weather in November
November, the last month of the autumn in Marion, is also a fresh month, with an average temperature ranging between max 50.7°F (10.4°C) and min 39°F (3.9°C). The onset of November comes with a shift in the average high-temperature, falling from a refreshing 61.5°F (16.4°C) in October to a fresh 50.7°F (10.4°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Marion, Oregon, with an average temperature fluctuating between 44.6°F (7°C) and 34.2°F (1.2°C). December brings the lowest temperatures, with an average high of 44.6°F (7°C) and an average low of 34.2°F (1.2°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
Throughout the year, there are 169.4 rainfall days, and 31.57" (802mm) of precipitation is accumulated.
January through April, November and December are months with snowfall.
Throughout the year, there are 7.7 snowfall days, and 5.59" (142mm) of snow is accumulated.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
February is the most humid month, with an average relative humidity of 86%.
The month with the most snowfall is February, when snow falls for 2.9 days and typically aggregates up to 2.44" (62mm) of snow.
With an average of 4.2h of sunshine, February has the least sunshine of the year.
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.
May through October are months without snowfall.
June has the longest days of the year, with an average of 15h and 30min of daylight.
July is the month with the least rainfall. Rain falls for 4.1 days and accumulates 0.24" (6mm) of precipitation.
The months with the most sunshine are July and August, with an average of 11.2h of sunshine.
With an average maximum UV index of 6, July is the month with the highest UV index.
August is the warmest month, with an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 52.2°F (11.2°C).
The least humid month is August, with an average relative humidity of 66%.
December, on average, is the coldest month in Marion, registering a high temperature of 44.6°F (7°C) and a low of 34.2°F (1.2°C).
The month with the most rainfall is December, when the rain falls for 18.2 days and typically aggregates up to 4.57" (116mm) of precipitation.
The month with the shortest days is December, with an average of 8h and 54min of daylight.
Average temperature
Marion, OR
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (44.6°F).
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure
Marion, OR
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
30.07"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:
30.07"Hg - Average pressure in December:
30.11"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
Marion, OR
- Average wind speed in January:
5.5mph - Average wind speed in February:
5.3mph - Average wind speed in March:
5.5mph - Average wind speed in April:
5mph - Average wind speed in May:
4.3mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
4mph - Average wind speed in August:
3.9mph - Average wind speed in September:
4.1mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5.4mph - Average wind speed in December:
5.4mph
The windiest months (with the highest average wind speed) are January and March (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity
Marion, OR
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall
Marion, OR
- Average rainfall in January:
4.33" - Average rainfall in February:
3.62" - Average rainfall in March:
3.9" - Average rainfall in April:
3.15" - Average rainfall in May:
2.01" - Average rainfall in June:
1.5"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.39" - Average rainfall in September:
1.57" - Average rainfall in October:
2.95" - Average rainfall in November:
3.35" - 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 (0.24").
Average rainfall days
Marion, OR
- Average rainfall days in January:
17.8 days - Average rainfall days in February:
16.7 days - Average rainfall days in March:
20.6 days - Average rainfall days in April:
18.8 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
11.7 days
- Average rainfall days in July:
4.1 days - Average rainfall days in August:
4.5 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
18.3 days - Average rainfall days in December:
18.2 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is July (4.1 days).
Average snowfall
Marion, OR
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Marion, OR
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
2.9 days - Average snowfall days in March:
1.5 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in December:
1.1 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Marion, OR
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
11h and 12min - Average sunshine in August:
11h and 12min - Average sunshine in September:
9h and 24min - Average sunshine in October:
5h and 36min - Average sunshine in November:
4h and 54min - Average sunshine in December:
4h and 24min
The months with the most sunshine are July and August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days
Marion, OR
- Average sunshine days in January:
11.7 days - Average sunshine days in February:
8.9 days - Average sunshine days in March:
8.4 days - Average sunshine days in April:
9.4 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
16.6 days
- Average sunshine days in July:
25.2 days - Average sunshine days in August:
24.3 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
15 days - Average sunshine days in November:
10.5 days - Average sunshine days in December:
11.3 days
The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (8.4 days).
Average UV index
Marion, 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
Marion, OR
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility
Marion, OR
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
