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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, like December, is another chilly winter month in Willamina, Oregon, with an average temperature ranging between min 34°F (1.1°C) and max 45.1°F (7.3°C). January's weather displays an average high-temperature of a still frosty 45.1°F (7.3°C), slightly varied from December's 43.5°F (6.4°C). Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Willamina, Oregon, with an average temperature varying between 34.2°F (1.2°C) and 46.8°F (8.2°C). The average high-temperature is a still frosty 46.8°F (8.2°C) in February, hardly different from the 45.1°F (7.3°C) recorded in January. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Willamina, Oregon, with temperature in the range of an average low of 35.8°F (2.1°C) and an average high of 50.5°F (10.3°C). Stepping into March, Willamina records an average high-temperature of a fresh 50.5°F (10.3°C), almost consistent with February. Weather in March »
Weather in April
April is a mild spring month in Willamina, Oregon, with an average temperature varying between 55.9°F (13.3°C) and 38.1°F (3.4°C). April brings a slight rise in Willamina's average high-temperature, moving from a fresh 50.5°F (10.3°C) in March to a refreshing 55.9°F (13.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Willamina, Oregon, with an average temperature varying between 42.1°F (5.6°C) and 64°F (17.8°C). As May begins, there's a slight increase in the average high-temperature, moving from a refreshing 55.9°F (13.3°C) in April to a comfortable 64°F (17.8°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Willamina, Oregon, with an average temperature fluctuating between 69.3°F (20.7°C) and 46.2°F (7.9°C). Willamina's average high-temperature in June sits at a pleasant 69.3°F (20.7°C), showing little difference from the previous month. Weather in June »
Weather in July
July in Willamina, Oregon, is a moderately hot summer month, with an average temperature varying between 50.5°F (10.3°C) and 76.6°F (24.8°C). The commencement of July sees a minor shift in the average high-temperature, moving from an agreeable 69.3°F (20.7°C) in June to a warm 76.6°F (24.8°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Willamina, Oregon, with an average temperature varying between 52.3°F (11.3°C) and 78.4°F (25.8°C). The month of August, characterized by an average high of 78.4°F (25.8°C) and a low of 52.3°F (11.3°C), is recognized as the warmest. Weather in August »
Weather in September
September, the first month of the autumn in Willamina, is also an agreeable month, with an average temperature varying between 48.7°F (9.3°C) and 71.1°F (21.7°C). September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 78.4°F (25.8°C) in August to an agreeable 71.1°F (21.7°C). Weather in September »
Weather in October
October, the same as September, in Willamina, Oregon, is another refreshing autumn month, with an average temperature ranging between max 59.7°F (15.4°C) and min 43.7°F (6.5°C). The arrival of October indicates a decrease in the average high-temperature, moving from an agreeable 71.1°F (21.7°C) in September to a mild 59.7°F (15.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Willamina, is also a frosty month, with temperature in the range of an average high of 49.5°F (9.7°C) and an average low of 38.5°F (3.6°C). Willamina's transition into November involves a shift in temperature, receding from a refreshing 59.7°F (15.4°C) in October to a frosty 49.5°F (9.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Willamina, Oregon, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 33.3°F (0.7°C). During the coldest month, December, temperatures average a high of 43.5°F (6.4°C) and a low of 33.3°F (0.7°C). Weather in December »
Updated: Jul 30, 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
How many days does it rain?
Throughout the year, there are 156 rainfall days, and 15.94" (405mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March, November and December.
How much does it snow?
In Willamina, during the entire year, snow falls for 5.8 days and aggregates up to 1.77" (45mm) of snow.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What are the most humid months?
February and December, with an average relative humidity of 89%, are most humid months.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 2.3 days and accumulates 0.94" (24mm) of snow.
What is the month with the least sunshine?
With an average of 3.4h of sunshine, February has the least sunshine of the year.
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?
In Willamina, snow does not fall in April through October.
When are the longest days?
June has the longest days of the year in Willamina, with an average of 15h and 36min of daylight.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What is the driest month in Willamina?
July is the month with the least rainfall. Rain falls for 5.7 days and accumulates 0.24" (6mm) of precipitation.
What is the warmest month?
August, known for its average high temperature of 78.4°F (25.8°C) and an average low temperature of 52.3°F (11.3°C), is the warmest month.
What is the least humid month?
With an average relative humidity of 71%, August is the least humid month.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 10.5h of sunshine.
What is the coldest time of year?
December proves to be the coldest month, recording an average maximum temperature of 43.5°F (6.4°C) and a minimum temperature of 33.3°F (0.7°C).
What is the wettest month in Willamina?
December is the month with the most rainfall. Rain falls for 17.1 days and accumulates 2.56" (65mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 48min of daylight.
Average temperature
Willamina, OR
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.5°F).
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure
Willamina, OR
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.07"Hg - Average pressure in May:
30.05"Hg - Average pressure in June:
30.05"Hg
- Average pressure in July:
30.06"Hg - Average pressure in August:
30.02"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 (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed
Willamina, OR
- Average wind speed in January:
4.7mph - Average wind speed in February:
4.8mph - Average wind speed in March:
5mph - Average wind speed in April:
4.8mph - Average wind speed in May:
4.3mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
4.2mph - Average wind speed in August:
3.8mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.3mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.5mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity
Willamina, OR
The months with the highest relative humidity are February and December (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall
Willamina, OR
- Average rainfall in January:
2.44" - Average rainfall in February:
1.73" - Average rainfall in March:
1.85" - Average rainfall in April:
1.46" - Average rainfall in May:
1.06" - Average rainfall in June:
0.67"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.31" - Average rainfall in September:
0.67" - Average rainfall in October:
1.3" - Average rainfall in November:
1.65" - Average rainfall in December:
2.56"
The wettest month (with the highest rainfall) is December (2.56").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days
Willamina, OR
- Average rainfall days in January:
16.8 days - Average rainfall days in February:
15.8 days - Average rainfall days in March:
18.9 days - Average rainfall days in April:
16 days - Average rainfall days in May:
12.1 days - Average rainfall days in June:
9.7 days
- Average rainfall days in July:
5.7 days - Average rainfall days in August:
4.8 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
16.4 days - Average rainfall days in December:
17.1 days
The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is August (4.8 days).
Average snowfall
Willamina, OR
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Willamina, OR
- Average snowfall days in January:
1.2 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
1.1 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:
0.3 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
Willamina, 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 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 4min - Average daylight in December:
8h and 5min
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:
3h and 4min - Average sunshine in February:
3h and 2min - Average sunshine in March:
4h and 4min - Average sunshine in April:
6h and 1min - Average sunshine in May:
7h and 4min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 3min - Average sunshine in September:
8h and 4min - Average sunshine in October:
4h and 5min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days
Willamina, OR
- Average sunshine days in January:
11.3 days - Average sunshine days in February:
9.3 days - Average sunshine days in March:
10.2 days - Average sunshine days in April:
11.2 days - Average sunshine days in May:
16.2 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
23.7 days - Average sunshine days in August:
23.2 days - Average sunshine days in September:
18 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
11.8 days - Average sunshine days in December:
11.8 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index
Willamina, OR
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Willamina, OR
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Willamina, OR
The months with the highest visibility are June, July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (4mi).
Willamina, Oregon, USA
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