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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 Siletz, Oregon, is a frosty winter month, with an average temperature varying between 41.5°F (5.3°C) and 48.7°F (9.3°C). January's climate shows a minor adjustment in average high-temperatures to a still frosty 48.7°F (9.3°C) from December's 47.7°F (8.7°C). Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Siletz, Oregon, with an average temperature varying between 40.8°F (4.9°C) and 49.3°F (9.6°C). The arrival of February brings an average high-temperature of a still frosty 49.3°F (9.6°C), closely following the temperature pattern of January. Weather in February »
Weather in March
March, the first month of the spring in Siletz, is a cool month, with an average temperature ranging between min 42.1°F (5.6°C) and max 50.2°F (10.1°C). The weather during March records an average high-temperature of a fresh 50.2°F (10.1°C), closely mirroring the preceding month. Weather in March »
Weather in April
April, like March, in Siletz, Oregon, is another fresh spring month, with an average temperature varying between 43.5°F (6.4°C) and 53.2°F (11.8°C). Transitioning from March to April, Siletz observes an average high-temperature of a still fresh 53.2°F (11.8°C), differing subtly from the previous month. Weather in April »
Weather in May
May, the last month of the spring in Siletz, is a moderate month, with an average temperature fluctuating between 57.9°F (14.4°C) and 46.8°F (8.2°C). The onset of May notes an average high-temperature of a refreshing 57.9°F (14.4°C), subtly shifted from April's 53.2°F (11.8°C). Weather in May »
Weather in June
June, the first month of the summer in Siletz, is a comfortable month, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 50.4°F (10.2°C). As June unfolds, the average high-temperature reaches an enjoyable 61.5°F (16.4°C), hinting at a slight fluctuation from the previous month. Weather in June »
Weather in July
July, the same as June, is another comfortable summer month in Siletz, Oregon, with an average temperature varying between 52.9°F (11.6°C) and 66.2°F (19°C). July's arrival registers an average high-temperature of a still refreshing 66.2°F (19°C), closely aligning with the temperature of the previous month. Weather in July »
Weather in August
The last month of the summer, August, is another comfortable month in Siletz, Oregon, with an average temperature fluctuating between 53.6°F (12°C) and 67.6°F (19.8°C). Siletz witnesses the warmest weather in August, with temperatures averaging a high of 67.6°F (19.8°C) and a low of 53.6°F (12°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an enjoyable month in Siletz, Oregon, with an average temperature fluctuating between 52°F (11.1°C) and 65.5°F (18.6°C). Siletz's shift into September sets the average high-temperature at a still enjoyable 65.5°F (18.6°C), a figure that deviates only slightly from August's 67.6°F (19.8°C). Weather in September »
Weather in October
October, the same as September, in Siletz, Oregon, is another refreshing autumn month, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 48.7°F (9.3°C). The commencement of October includes a gentle temperature shift, with the average high-temperature dropping a bit from a comfortable 65.5°F (18.6°C) in September to a moderate 59.5°F (15.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Siletz, Oregon, with an average temperature ranging between min 44.6°F (7°C) and max 52.2°F (11.2°C). November signifies a gentle decline in Siletz's average high-temperature, easing from a moderate 59.5°F (15.3°C) in October to a fresh 52.2°F (11.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Siletz, Oregon, with an average temperature fluctuating between 40.6°F (4.8°C) and 47.7°F (8.7°C). In Siletz, December is the coldest month, with temperatures averaging a high of 47.7°F (8.7°C) and a low of 40.6°F (4.8°C). Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Siletz?
Throughout the year, in Siletz, there are 139.5 rainfall days, and 18.66" (474mm) of precipitation is accumulated.
When does it snow in Siletz?
January, February and November are months with snowfall in Siletz.
How much does it snow in Siletz?
Throughout the year, in Siletz, Oregon, there are 1.6 snowfall days, and 0.47" (12mm) of snow is accumulated.
What is the month with the least sunshine in Siletz?
The months with the least sunshine in Siletz are January and February, with an average of 4h of sunshine.
What is the most humid month in Siletz?
February, March, November and December, with an average relative humidity of 83%, are most humid months.
What is the snowiest month in Siletz?
The month with the most snowfall in Siletz is February, when snow falls for 0.9 days and typically aggregates up to 0.28" (7mm) of snow.
What is the month with the lowest UV index in Siletz?
The months with the lowest UV index are February, November and December, with an average maximum UV index of 2.
When it does not snow in Siletz?
In Siletz, snow does not fall in March through October and December.
When is Daylight Saving Time (DST) in Siletz?
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.
What are the least humid months in Siletz?
The months with the lowest humidity in Siletz, Oregon, are April, May, July, September and October, with an average relative humidity of 81%.
When are the longest days in Siletz?
With an average of 15h and 30min of daylight, June has the longest days of the year.
What is the driest month in Siletz?
July is the month with the least rainfall. Rain falls for 4.1 days and accumulates 0.16" (4mm) of precipitation.
What month has the most sunshine in Siletz?
The month with the most sunshine in Siletz, Oregon, is July, with an average of 10.7h of sunshine.
When is the highest UV index in Siletz?
The month with the highest UV index in Siletz is July, with an average maximum UV index of 5.
What are the warmest months in Siletz?
In Siletz, Oregon, the average temperatures in August are the highest, with a peak at 67.6°F (19.8°C) and a low of 53.6°F (12°C).
What time of the year is the coldest in Siletz?
Siletz's coldest month, December, generally records average temperatures ranging from a high of 47.7°F (8.7°C) to a low of 40.6°F (4.8°C).
What is the rainiest month in Siletz?
The month with the most rainfall in Siletz is December, when the rain falls for 16.5 days and typically aggregates up to 3.07" (78mm) of precipitation.
What is the month with the shortest days in Siletz?
December has the shortest days of the year, with an average of 8h and 54min of daylight.
Average temperature
Siletz, OR
The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (47.7°F).
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure
Siletz, OR
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.08"Hg - Average pressure in May:
30.06"Hg - Average pressure in June:
30.06"Hg
- Average pressure in July:
30.06"Hg - Average pressure in August:
30.03"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:
30.07"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).
Average wind speed
Siletz, OR
- Average wind speed in January:
9.8mph - Average wind speed in February:
8.9mph - Average wind speed in March:
9.5mph - Average wind speed in April:
8.8mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7.9mph - Average wind speed in August:
6.5mph - Average wind speed in September:
6.6mph - Average wind speed in October:
7.8mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Siletz, OR
The months with the highest relative humidity are February, March, November and December (83%).
The months with the lowest relative humidity are April, May, July, September and October (81%).
Average rainfall
Siletz, OR
- Average rainfall in January:
2.72" - Average rainfall in February:
2.32" - Average rainfall in March:
2.05" - Average rainfall in April:
1.54" - Average rainfall in May:
1.02" - Average rainfall in June:
0.51"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.24" - Average rainfall in September:
0.91" - Average rainfall in October:
1.69" - Average rainfall in November:
2.44" - Average rainfall in December:
3.07"
The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days
Siletz, OR
- Average rainfall days in January:
14.8 days - Average rainfall days in February:
14.7 days - Average rainfall days in March:
18.2 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
9.5 days - Average rainfall days in June:
7.8 days
- Average rainfall days in July:
4.1 days - Average rainfall days in August:
3.7 days - Average rainfall days in September:
6.8 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
15.5 days - Average rainfall days in December:
16.5 days
The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (3.7 days).
Average snowfall
Siletz, OR
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days
Siletz, OR
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.9 days - Average snowfall days in March:
0 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:
0.1 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Siletz, OR
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - 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 3min
- 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:
11h and 0min - 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 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 2min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).
Average sunshine days
Siletz, OR
- Average sunshine days in January:
14 days - Average sunshine days in February:
11 days - Average sunshine days in March:
10.9 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
19.4 days - Average sunshine days in June:
19.8 days
- Average sunshine days in July:
25.8 days - Average sunshine days in August:
25.1 days - Average sunshine days in September:
21.5 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
11.8 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (10.9 days).
Average UV index
Siletz, OR
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover
Siletz, OR
The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Siletz, OR
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Siletz, Oregon, USA
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