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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 is a frosty winter month in Vernonia, Oregon, with an average temperature ranging between max 44.2°F (6.8°C) and min 33.3°F (0.7°C). With the onset of January, Vernonia's average high-temperature clocks in at a frosty 44.2°F (6.8°C), showing a minor fluctuation from the previous month. Weather in January »
Weather in February
February, the last month of the winter in Vernonia, is also a frosty month, with an average temperature ranging between min 33.3°F (0.7°C) and max 45.9°F (7.7°C). In Vernonia, February's average high-temperature stands at a still chilly 45.9°F (7.7°C), closely related to the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Vernonia, is also a frosty month, with an average temperature fluctuating between 49.8°F (9.9°C) and 35.2°F (1.8°C). Vernonia's weather, upon March's arrival, documents an average high-temperature of a still frosty 49.8°F (9.9°C), nearly identical to the prior month. Weather in March »
Weather in April
April is a cool spring month in Vernonia, Oregon, with an average temperature fluctuating between 55°F (12.8°C) and 36.9°F (2.7°C). As Vernonia transitions into April, the average high-temperature stands at a fresh 55°F (12.8°C), offering little variation from the preceding month. Weather in April »
Weather in May
May, the last month of the spring in Vernonia, is a refreshing month, with an average temperature fluctuating between 63.5°F (17.5°C) and 41°F (5°C). Observing a minor shift, the average high-temperature during May adjusts from April's cool 55°F (12.8°C) to a refreshing 63.5°F (17.5°C). Weather in May »
Weather in June
June, the first month of the summer in Vernonia, is an agreeable month, with an average temperature fluctuating between 44.8°F (7.1°C) and 68.2°F (20.1°C). June registers an average high-temperature of an agreeable 68.2°F (20.1°C), slightly varied from May's 63.5°F (17.5°C). Weather in June »
Weather in July
July in Vernonia, Oregon, is a warm summer month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 75.2°F (24°C). July's onset brings a minor rise in the average high-temperature, moving from a pleasant 68.2°F (20.1°C) in June to a warm 75.2°F (24°C). Weather in July »
Weather in August
August, the last month of the summer in Vernonia, is also a moderately hot month, with temperature in the range of an average high of 77°F (25°C) and an average low of 50.7°F (10.4°C). In Vernonia, August is identified by the highest average temperatures, reaching a peak of 77°F (25°C) and a low of 50.7°F (10.4°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Vernonia, Oregon, with an average temperature fluctuating between 47.7°F (8.7°C) and 70.3°F (21.3°C). Vernonia's transition into September involves a gentle shift in temperature, receding from a moderately hot 77°F (25°C) in August to a pleasant 70.3°F (21.3°C). Weather in September »
Weather in October
October, the same as September, in Vernonia, Oregon, is another refreshing autumn month, with temperature in the range of an average low of 42.6°F (5.9°C) and an average high of 58.8°F (14.9°C). October brings a drop in Vernonia's average high-temperature, falling from a pleasant 70.3°F (21.3°C) in September to a refreshing 58.8°F (14.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Vernonia, is another chilly month, with an average temperature varying between 37.8°F (3.2°C) and 48.6°F (9.2°C). With November's onset, the weather shows a temperature decrease, transitioning from a moderate 58.8°F (14.9°C) in October to a frosty 48.6°F (9.2°C). Weather in November »
Weather in December
December, the first month of the winter in Vernonia, is still a cold month, with an average temperature fluctuating between 32.9°F (0.5°C) and 42.1°F (5.6°C). December, with an average high of 42.1°F (5.6°C) and a low of 32.9°F (0.5°C), signifies the coldest month of the year. Weather in December »
Updated: Aug 29, 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 wettest month?
January is the month with the most rainfall. Rain falls for 19.3 days and accumulates 5.79" (147mm) of precipitation.
How many days does it rain?
In Vernonia, during the entire year, the rain falls for 184.4 days and collects up to 36.61" (930mm) of precipitation.
When does it snow?
January through April, November and December are months with snowfall.
How many days does it snow?
Throughout the year, there are 11.8 snowfall days, and 10.24" (260mm) of snow is accumulated.
What are the months 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.
When does it snow the most?
The month with the most snowfall in Vernonia is February, when snow falls for 4.4 days and typically aggregates up to 3.94" (100mm) of snow.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 3.3h of sunshine.
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 Vernonia, snow does not fall in May through October.
When are the longest days?
June has the longest days of the year, with an average of 15h and 42min of daylight.
What is the least humid month?
The least humid month is July, with an average relative humidity of 73%.
What is the driest month?
July and August are months with the least rain when the rain falls for 6 days and typically aggregates up to 0.51" (13mm) of rain.
When is the highest UV index in Vernonia?
July is the month with the highest UV index, with an average maximum UV index of 5.
What are the warmest months in Vernonia?
August temperatures tend to peak at an average high of 77°F (25°C) and dip to a low of 50.7°F (10.4°C).
What month has the most sunshine in Vernonia?
August has the most sunshine of the year, with an average of 10.2h of sunshine.
What is the most humid month?
November is the most humid month, with an average relative humidity of 89%.
What time of the year is the coldest?
Vernonia's coldest temperatures are experienced in December, with average high temperatures of 42.1°F (5.6°C) and lows of 32.9°F (0.5°C).
What is the month with the shortest days?
December has the shortest days of the year, with an average of 8h and 42min of daylight.
Average temperature
Vernonia, OR
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.1°F).
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure
Vernonia, 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:
30.04"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:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.02"Hg).
Average wind speed
Vernonia, OR
- Average wind speed in January:
4.8mph - Average wind speed in February:
4.7mph - Average wind speed in March:
4.8mph - Average wind speed in April:
4.6mph - Average wind speed in May:
4.3mph - Average wind speed in June:
4.3mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.1mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.2mph - Average wind speed in November:
4.8mph - Average wind speed in December:
4.7mph
The windiest months (with the highest average wind speed) are January, March and November (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity
Vernonia, OR
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall
Vernonia, OR
- Average rainfall in January:
5.79" - Average rainfall in February:
3.86" - Average rainfall in March:
4.06" - Average rainfall in April:
3.03" - Average rainfall in May:
2.17" - Average rainfall in June:
1.54"
- Average rainfall in July:
0.51" - Average rainfall in August:
0.51" - Average rainfall in September:
1.81" - Average rainfall in October:
3.82" - Average rainfall in November:
4.06" - Average rainfall in December:
5.47"
The wettest month (with the highest rainfall) is January (5.79").
The driest months (with the least rainfall) are July and August (0.51").
Average rainfall days
Vernonia, OR
- Average rainfall days in January:
19.3 days - Average rainfall days in February:
16.9 days - Average rainfall days in March:
21.7 days - Average rainfall days in April:
19.6 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
6 days - Average rainfall days in August:
6.4 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
16.7 days - Average rainfall days in November:
18.9 days - Average rainfall days in December:
19.3 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is July (6 days).
Average snowfall
Vernonia, OR
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Vernonia, OR
- Average snowfall days in January:
2.1 days - Average snowfall days in February:
4.4 days - Average snowfall days in March:
2.5 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:
0.6 days - Average snowfall days in December:
1.9 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Vernonia, 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 2min - Average sunshine in February:
3h and 2min - Average sunshine in March:
4h and 4min - Average sunshine in April:
6h and 2min - Average sunshine in May:
7h and 4min - Average sunshine in June:
8h and 2min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
4h and 5min - Average sunshine in November:
3h and 4min - Average sunshine in December:
3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days
Vernonia, OR
- Average sunshine days in January:
10.1 days - Average sunshine days in February:
7.6 days - Average sunshine days in March:
7.6 days - Average sunshine days in April:
8.8 days - Average sunshine days in May:
15.2 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
22.1 days - Average sunshine days in August:
21.3 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
13.4 days - Average sunshine days in November:
9.3 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is July (22.1 days).
The months with the least sunshine days are February and March (7.6 days).
Average UV index
Vernonia, OR
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Vernonia, OR
The months with the most cloud cover are February and March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Vernonia, OR
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).
Vernonia, Oregon, USA
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