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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 Cornelius, Oregon, is another chilly winter month, with an average temperature fluctuating between 45.3°F (7.4°C) and 34.7°F (1.5°C). With January's arrival, Cornelius, Oregon, notes an average high-temperature of a still chilly 45.3°F (7.4°C), closely following the trend of the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Cornelius, is also a frosty month, with temperature in the range of an average high of 47.3°F (8.5°C) and an average low of 35.2°F (1.8°C). February ushers in an average high-temperature of a still frosty 47.3°F (8.5°C), aligning closely with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Cornelius, is a cool month, with an average temperature varying between 52.2°F (11.2°C) and 37.8°F (3.2°C). March brings a marginal elevation to a cool 52.2°F (11.2°C) from February's 47.3°F (8.5°C) in Cornelius's average high-temperatures. Weather in March »
Weather in April
April in Cornelius, Oregon, is a refreshing spring month, with an average temperature varying between 58.3°F (14.6°C) and 39.4°F (4.1°C). Cornelius's April weather indicates a minor ascent in high-temperatures, adjusting from a cool 52.2°F (11.2°C) in March to a refreshing 58.3°F (14.6°C). Weather in April »
Weather in May
May, the last month of the spring in Cornelius, is an enjoyable month, with an average temperature ranging between max 67.1°F (19.5°C) and min 44.4°F (6.9°C). With the onset of May, Cornelius's weather sees a minor temperature rise, transitioning from a moderate 58.3°F (14.6°C) in April to a comfortable 67.1°F (19.5°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Cornelius, Oregon, with an average temperature fluctuating between 48.7°F (9.3°C) and 72.7°F (22.6°C). As June arrives, a slight rise in the average high-temperature is observed, moving from an enjoyable 67.1°F (19.5°C) in May to a pleasant 72.7°F (22.6°C). Weather in June »
Weather in July
July is a moderately hot summer month in Cornelius, Oregon, with an average temperature ranging between max 80.6°F (27°C) and min 53.4°F (11.9°C). The onset of July introduces a subtle rise in the average high-temperature, nudging from a pleasant 72.7°F (22.6°C) in June to a warm 80.6°F (27°C). Weather in July »
Weather in August
August, the last month of the summer in Cornelius, is also a moderately hot month, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 81.5°F (27.5°C). In Cornelius, August is the warmest month, with temperatures averaging a high of 81.5°F (27.5°C) and a low of 55.4°F (13°C). August's heat index is computed to be 84.2°F (29°C). Weather in August »
Weather in September
September, the first month of the autumn in Cornelius, is also a moderately hot month, with an average temperature ranging between max 73.9°F (23.3°C) and min 51.4°F (10.8°C). September's arrival signals a moderate reduction in the average high-temperature, easing from 81.5°F (27.5°C) in August to a still moderately hot 73.9°F (23.3°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Cornelius, Oregon, with an average temperature fluctuating between 61.2°F (16.2°C) and 45.1°F (7.3°C). Cornelius's weather changes with the onset of October, slightly falling from a warm 73.9°F (23.3°C) in September to an enjoyable 61.2°F (16.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Cornelius, is another cool month, with temperature in the range of an average high of 50.7°F (10.4°C) and an average low of 39.6°F (4.2°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a comfortable 61.2°F (16.2°C) in October to a fresh 50.7°F (10.4°C). Weather in November »
Weather in December
December, the first month of the winter in Cornelius, is still a chilly month, with an average temperature varying between 34°F (1.1°C) and 43.9°F (6.6°C). With an average high-temperature of 43.9°F (6.6°C) and an average low-temperature of 34°F (1.1°C), December is the coldest month. Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Cornelius?
The months with the highest humidity are January, February, November and December, with an average relative humidity of 85%.
What is the rainiest month in Cornelius?
The month with the most rainfall is January, when the rain falls for 18.8 days and typically aggregates up to 4.57" (116mm) of precipitation.
How many days does it rain in Cornelius?
In Cornelius, during the entire year, the rain falls for 173 days and collects up to 29.49" (749mm) of precipitation.
When does it snow in Cornelius?
Months with snowfall in Cornelius are January through March, November and December.
How many days does it snow in Cornelius?
In Cornelius, Oregon, during the entire year, snow falls for 6.6 days and aggregates up to 4.53" (115mm) of snow.
What are the months with the lowest UV index in Cornelius?
The months with the lowest UV index in Cornelius are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most in Cornelius?
The month with the most snowfall is February, when snow falls for 2.4 days and typically aggregates up to 1.81" (46mm) of snow.
What is the month with the least sunshine in Cornelius?
The month with the least sunshine in Cornelius is February, with an average of 3.7h of sunshine.
When is Daylight Saving Time (DST) in Cornelius?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Cornelius, 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 Cornelius?
April through October are months without snowfall.
When are the longest days in Cornelius?
With an average of 15h and 36min of daylight, June has the longest days of the year in Cornelius.
When is the highest UV index in Cornelius?
The month with the highest UV index in Cornelius, Oregon, is July, with an average maximum UV index of 6.
What is the warmest month in Cornelius?
The month of August sees the average highest temperatures, reaching 81.5°F (27.5°C) at the peak and 55.4°F (13°C) at the low.
What is the least humid month in Cornelius?
The least humid month in Cornelius is August, with an average relative humidity of 64%.
What is the driest month in Cornelius?
August is the month with the least rainfall in Cornelius. Rain falls for 4.4 days and accumulates 0.31" (8mm) of precipitation.
What month has the most sunshine in Cornelius?
August has the most sunshine of the year in Cornelius, Oregon, with an average of 10.6h of sunshine.
What is the coldest time of year in Cornelius?
Cornelius notes the coldest temperatures in December, with a average high of 43.9°F (6.6°C) and a low of 34°F (1.1°C).
What is the month with the shortest days in Cornelius?
December has the shortest days of the year in Cornelius, Oregon, with an average of 8h and 48min of daylight.
Average temperature
Cornelius, OR
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (43.9°F).
The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure
Cornelius, 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:
30.07"Hg - Average pressure in May:
30.04"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:
30.1"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
Cornelius, OR
- Average wind speed in January:
4.9mph - Average wind speed in February:
4.9mph - Average wind speed in March:
5mph - Average wind speed in April:
4.8mph - Average wind speed in May:
4.4mph - Average wind speed in June:
4.3mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.3mph - Average wind speed in October:
4.6mph - Average wind speed in November:
4.8mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest months (with the lowest average wind speed) are June, August and September (4.3mph).
Average humidity
Cornelius, OR
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is August (64%).
Average rainfall
Cornelius, OR
- Average rainfall in January:
4.57" - Average rainfall in February:
3.19" - Average rainfall in March:
3.35" - Average rainfall in April:
2.64" - Average rainfall in May:
1.73" - Average rainfall in June:
1.1"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.31" - Average rainfall in September:
1.46" - Average rainfall in October:
3.11" - Average rainfall in November:
3.19" - Average rainfall in December:
4.45"
The wettest month (with the highest rainfall) is January (4.57").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days
Cornelius, OR
- Average rainfall days in January:
18.8 days - Average rainfall days in February:
16.8 days - Average rainfall days in March:
20.8 days - Average rainfall days in April:
18.6 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
11.4 days
- Average rainfall days in July:
5.1 days - Average rainfall days in August:
4.4 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
15.9 days - Average rainfall days in November:
18.7 days - Average rainfall days in December:
18.8 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (4.4 days).
Average snowfall
Cornelius, OR
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Cornelius, OR
- Average snowfall days in January:
1.6 days - Average snowfall days in February:
2.4 days - Average snowfall days in March:
1.6 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:
0.3 days - Average snowfall days in December:
0.7 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Cornelius, 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:
14h and 5min - 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 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 5min - Average sunshine in February:
3h and 4min - 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:
8h and 5min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 4min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 2min - Average sunshine in December:
3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days
Cornelius, OR
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
8.9 days - Average sunshine days in March:
8.5 days - Average sunshine days in April:
9 days - Average sunshine days in May:
16.2 days - Average sunshine days in June:
16.2 days
- Average sunshine days in July:
24.4 days - Average sunshine days in August:
24.3 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
14 days - Average sunshine days in November:
10.2 days - Average sunshine days in December:
10.5 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (8.5 days).
Average UV index
Cornelius, 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
Cornelius, OR
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
Cornelius, OR
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January and February (4mi).
Cornelius, Oregon, USA
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