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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 another chilly winter month, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 48.7°F (9.3°C). December's transformation into January witnesses an average high-temperature of a still chilly 48.7°F (9.3°C), noting a minor change from the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Siletz, is another chilly month, with an average temperature fluctuating between 49.3°F (9.6°C) and 40.8°F (4.9°C). Siletz's average high-temperature marks a still frosty 49.3°F (9.6°C) with the advent of February, closely mirroring that of the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Siletz, Oregon, with an average temperature varying between 42.1°F (5.6°C) and 50.2°F (10.1°C). Siletz ushers in March with an average high-temperature of a fresh 50.2°F (10.1°C), showing a close resemblance to the previous month. Weather in March »
Weather in April
April, the same as March, is another fresh spring month in Siletz, Oregon, with an average temperature varying between 53.2°F (11.8°C) and 43.5°F (6.4°C). April denotes a minimal variation in the average high-temperature to a still cool 53.2°F (11.8°C) from March's 50.2°F (10.1°C). Weather in April »
Weather in May
May, the last month of the spring in Siletz, is a refreshing month, with an average temperature varying between 57.9°F (14.4°C) and 46.8°F (8.2°C). Siletz observes a minor difference in average high-temperatures between April's 53.2°F (11.8°C) and May's 57.9°F (14.4°C). Weather in May »
Weather in June
The first month of the summer, June, is an enjoyable month in Siletz, Oregon, 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). Siletz in June witnesses an average high-temperature of an enjoyable 61.5°F (16.4°C), indicating a slight variation from May's 57.9°F (14.4°C). Weather in June »
Weather in July
July, the same as June, is another refreshing summer month in Siletz, Oregon, with an average temperature fluctuating between 66.2°F (19°C) and 52.9°F (11.6°C). With the onset of July, the average high-temperature stands at a still comfortable 66.2°F (19°C), closely aligned with June's 61.5°F (16.4°C). 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 67.6°F (19.8°C) and 53.6°F (12°C). With average temperatures fluctuating between a high of 67.6°F (19.8°C) and a low of 53.6°F (12°C), August stands out as the warmest month. Weather in August »
Weather in September
The first month of the autumn, September, is also an enjoyable month in Siletz, Oregon, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 52°F (11.1°C). September's average high-temperature is a still refreshing 65.5°F (18.6°C), maintaining a close comparison with August's 67.6°F (19.8°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Siletz, Oregon, with an average temperature ranging between min 48.7°F (9.3°C) and max 59.5°F (15.3°C). Siletz observes a small decrease in the average high-temperature with the arrival of October, falling from September's comfortable 65.5°F (18.6°C) to a still refreshing 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 fluctuating between 52.2°F (11.2°C) and 44.6°F (7°C). November reveals a small adjustment in temperature, transitioning from an average high of a moderate 59.5°F (15.3°C) in October to a cool 52.2°F (11.2°C). Weather in November »
Weather in December
December, the first month of the winter in Siletz, is still a chilly month, with temperature in the range of an average high of 47.7°F (8.7°C) and an average low of 40.6°F (4.8°C). Siletz reaches its lowest average temperatures in December, measuring 47.7°F (8.7°C) at the peak and 40.6°F (4.8°C) at the lowest. Weather in December »
Updated: Jun 4, 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 much does it rain?
Throughout the year, there are 139.5 rainfall days, and 18.66" (474mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January, February and November.
How many days does it snow?
Throughout the year, there are 1.6 snowfall days, and 0.47" (12mm) of snow is accumulated.
What are the months with the least sunshine?
The months with the least sunshine are January and February, with an average of 4h of sunshine.
What is the most humid month?
February, March, November and December, with an average relative humidity of 83%, are most humid months.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 0.9 days and accumulates 0.28" (7mm) of snow.
When is the lowest UV index?
February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When it does not snow?
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 is the least humid month?
The months with the lowest humidity are April, May, July, September and October, with an average relative humidity of 81%.
When are the longest days?
The month with the longest days in Siletz is June, with an average of 15h and 30min of daylight.
What is the driest month?
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?
July has the most sunshine of the year, with an average of 10.7h of sunshine.
What is the month with the highest UV index in Siletz?
The month with the highest UV index is July, with an average maximum UV index of 5.
What part of the year is the hottest in Siletz?
August tends to be the warmest month, with temperatures averaging a daily high of 67.6°F (19.8°C) and a low of 53.6°F (12°C).
What are the coldest months?
The month of December sees the average lowest temperatures, reaching 47.7°F (8.7°C) at the peak and 40.6°F (4.8°C) at the low.
What is the rainiest month?
The month with the most rainfall 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?
With an average of 8h and 54min of daylight, December has the shortest days of the year.
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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