Climate and monthly weather forecastYoncalla, OR
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Yoncalla, Oregon, with an average temperature fluctuating between 48.4°F (9.1°C) and 34.2°F (1.2°C). January experiences an average high-temperature of a still frosty 48.4°F (9.1°C), barely different from December's 46°F (7.8°C). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Yoncalla, Oregon, with temperature in the range of an average high of 49.3°F (9.6°C) and an average low of 33.4°F (0.8°C). Yoncalla, Oregon, experiences a transition to a still frosty 49.3°F (9.6°C) in average high-temperatures with the arrival of February, not greatly differing from January's 48.4°F (9.1°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Yoncalla, Oregon, with an average temperature ranging between min 34.7°F (1.5°C) and max 52.7°F (11.5°C). Yoncalla registers an average high-temperature of a cool 52.7°F (11.5°C) at the commencement of March, closely related to the preceding month. Weather in March »Weather in April
April is a moderate spring month in Yoncalla, Oregon, with an average temperature ranging between min 36.1°F (2.3°C) and max 56.8°F (13.8°C). Yoncalla starts April with an average high-temperature of a moderate 56.8°F (13.8°C), a minor shift from March's 52.7°F (11.5°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Yoncalla, Oregon, with an average temperature fluctuating between 64.6°F (18.1°C) and 38.8°F (3.8°C). As Yoncalla transitions into May, the average high-temperature is observed to slightly rise from a mild 56.8°F (13.8°C) in April to an enjoyable 64.6°F (18.1°C). Weather in May »Weather in June
June, the first month of the summer in Yoncalla, is an agreeable month, with an average temperature fluctuating between 43°F (6.1°C) and 70.5°F (21.4°C). As Yoncalla transitions into June, the average high-temperature is observed to slightly rise from an enjoyable 64.6°F (18.1°C) in May to an agreeable 70.5°F (21.4°C). Weather in June »Weather in July
July is a warm summer month in Yoncalla, Oregon, with an average temperature varying between 46.9°F (8.3°C) and 78.6°F (25.9°C). The shift from June to July introduces a subtle increase in the average high-temperature, moving from a pleasant 70.5°F (21.4°C) to a warm 78.6°F (25.9°C). Weather in July »Weather in August
August, the last month of the summer in Yoncalla, is also a moderately hot month, with an average temperature fluctuating between 47.8°F (8.8°C) and 80.2°F (26.8°C). In Yoncalla, the peak average temperatures are observed in August, with a high of 80.2°F (26.8°C) and a low of 47.8°F (8.8°C). Weather in August »Weather in September
September, the first month of the autumn in Yoncalla, is also a moderately hot month, with an average temperature varying between 73.9°F (23.3°C) and 45.3°F (7.4°C). The beginning of September brings a minor change in the average high-temperature, shifting from a warm 80.2°F (26.8°C) in August to a still moderately hot 73.9°F (23.3°C). Weather in September »Weather in October
October, like September, in Yoncalla, Oregon, is another refreshing autumn month, with an average temperature fluctuating between 41.4°F (5.2°C) and 63.5°F (17.5°C). October brings a decrease in the average high-temperature, falling from September's moderately hot 73.9°F (23.3°C) to a comfortable 63.5°F (17.5°C). Weather in October »Weather in November
November, the last month of the autumn in Yoncalla, is another cool month, with an average temperature fluctuating between 52.7°F (11.5°C) and 37.6°F (3.1°C). In Yoncalla, the average high-temperature in November decreases from a refreshing 63.5°F (17.5°C) in October to a fresh 52.7°F (11.5°C). Weather in November »Weather in December
December, the first month of the winter in Yoncalla, is still a chilly month, with an average temperature ranging between max 46°F (7.8°C) and min 33.1°F (0.6°C). December is the coldest month of the year, registering average temperatures as high as 46°F (7.8°C) and as low as 33.1°F (0.6°C). Weather in December »Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, February and December, with an average relative humidity of 87%, are most humid months.
In Yoncalla, during the entire year, the rain falls for 153.9 days and collects up to 27.72" (704mm) of precipitation.
Months with snowfall are January through April, November and December.
In Yoncalla, during the entire year, snow falls for 5.2 days and aggregates up to 4.09" (104mm) of snow.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
February is the month with the most snowfall. Snow falls for 2 days and accumulates 1.89" (48mm) of snow.
The month with the least sunshine in Yoncalla is February, with an average of 4.2h of sunshine.
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.
In Yoncalla, snow does not fall in May through October.
The month with the longest days is June, with an average of 15h and 24min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 5.
The months with the lowest humidity in Yoncalla, Oregon, are July and August, with an average relative humidity of 71%.
The month with the least rainfall is July, when the rain falls for 3.5 days and typically collects 0.2" (5mm) of precipitation.
August is the warmest month, with the temperature often reaching an average high of 80.2°F (26.8°C) and an average low of 47.8°F (8.8°C).
With an average of 11.1h of sunshine, August has the most sunshine of the year.
December, with its average high-temperature of 46°F (7.8°C) and an average low-temperature of 33.1°F (0.6°C), holds the record as the coldest month.
The month with the most rainfall is December, when the rain falls for 17.9 days and typically aggregates up to 4.17" (106mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 0min of daylight.
Average temperature
Yoncalla, OR
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (46°F).
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure
Yoncalla, OR
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30.08"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.04"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:
30.08"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
Yoncalla, OR
- Average wind speed in January:
4mph - Average wind speed in February:
3.8mph - Average wind speed in March:
4mph - Average wind speed in April:
3.9mph - Average wind speed in May:
3.7mph - Average wind speed in June:
3.7mph
- Average wind speed in July:
3.7mph - Average wind speed in August:
3.3mph - Average wind speed in September:
3.2mph - Average wind speed in October:
3.4mph - Average wind speed in November:
3.8mph - Average wind speed in December:
3.9mph
The windiest months (with the highest average wind speed) are January and March (4mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity
Yoncalla, OR
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall
Yoncalla, OR
- Average rainfall in January:
3.66" - Average rainfall in February:
3.58" - Average rainfall in March:
3.62" - Average rainfall in April:
2.8" - Average rainfall in May:
1.81" - Average rainfall in June:
1.14"
- Average rainfall in July:
0.2" - Average rainfall in August:
0.31" - Average rainfall in September:
1.26" - Average rainfall in October:
2.05" - Average rainfall in November:
3.11" - Average rainfall in December:
4.17"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days
Yoncalla, OR
- Average rainfall days in January:
16.1 days - Average rainfall days in February:
16.3 days - Average rainfall days in March:
19.8 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
14.2 days - Average rainfall days in June:
9.8 days
- Average rainfall days in July:
3.5 days - Average rainfall days in August:
3.3 days - Average rainfall days in September:
7.7 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
15.7 days - Average rainfall days in December:
17.9 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall
Yoncalla, OR
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Yoncalla, OR
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
2 days - Average snowfall days in March:
0.9 days - Average snowfall days in April:
0.2 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:
0.4 days - Average snowfall days in December:
0.9 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Yoncalla, OR
- Average daylight in January:
9h and 24min - 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 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 30min - Average sunshine in April:
6h and 54min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
11h and 6min - Average sunshine in September:
9h and 36min - Average sunshine in October:
5h and 36min - Average sunshine in November:
4h and 54min - Average sunshine in December:
4h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days
Yoncalla, OR
- Average sunshine days in January:
13.3 days - Average sunshine days in February:
9.7 days - Average sunshine days in March:
10 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
17.9 days
- Average sunshine days in July:
25.4 days - Average sunshine days in August:
24.7 days - Average sunshine days in September:
20.5 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
12.3 days - Average sunshine days in December:
11.6 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is February (9.7 days).
Average UV index
Yoncalla, OR
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Yoncalla, OR
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Yoncalla, OR
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).
