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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, like December, in Summerville, Oregon, is a wintry winter month, with temperature in the range of an average high of 35.1°F (1.7°C) and an average low of 23.2°F (-4.9°C). The arrival of January sees a recorded average high-temperature of a still icy 35.1°F (1.7°C), showing little divergence from the previous month's conditions. Weather in January »
Weather in February
February, the last month of the winter in Summerville, is another cold month, with an average temperature ranging between max 36.5°F (2.5°C) and min 24.3°F (-4.3°C). Summerville, Oregon, sees the arrival of February with an average high-temperature of a still cold 36.5°F (2.5°C), indicating a subtle variation from January. Weather in February »
Weather in March
March, the first month of the spring in Summerville, is a chilly month, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 43.3°F (6.3°C). The onset of March introduces a subtle rise in the average high-temperature, nudging from a wintry 36.5°F (2.5°C) in February to a frosty 43.3°F (6.3°C). Weather in March »
Weather in April
April in Summerville, Oregon, is a fresh spring month, with an average temperature fluctuating between 32.5°F (0.3°C) and 50.5°F (10.3°C). The onset of April brings a minor temperature shift, with the average high-temperature moving from a chilly 43.3°F (6.3°C) in March to a fresh 50.5°F (10.3°C). Weather in April »
Weather in May
May, the last month of the spring in Summerville, is a refreshing month, with an average temperature ranging between min 37.2°F (2.9°C) and max 61.7°F (16.5°C). May's arrival signals a temperature shift, moving from a cool 50.5°F (10.3°C) in April to an enjoyable 61.7°F (16.5°C). Weather in May »
Weather in June
June, the first month of the summer in Summerville, is a pleasant month, with an average temperature fluctuating between 68.9°F (20.5°C) and 42.4°F (5.8°C). The shift into June brings a slight increase in the average high-temperature, moving from an enjoyable 61.7°F (16.5°C) in May to a pleasant 68.9°F (20.5°C). Weather in June »
Weather in July
July is a moderately hot summer month in Summerville, Oregon, with an average temperature fluctuating between 49.5°F (9.7°C) and 80.6°F (27°C). Entering July, Summerville sees a temperature rise, with the average high-temperature advancing from June's pleasant 68.9°F (20.5°C) to a warm 80.6°F (27°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Summerville, Oregon, with an average temperature varying between 51.4°F (10.8°C) and 81.1°F (27.3°C). Summerville witnesses the warmest weather in August, with temperatures averaging a high of 81.1°F (27.3°C) and a low of 51.4°F (10.8°C). August's average heat index is evaluated at 82.4°F (28°C). Weather in August »
Weather in September
September, the first month of the autumn in Summerville, is also an agreeable month, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 71.6°F (22°C). In September, the average high-temperature goes from a moderately hot 81.1°F (27.3°C) in August to an agreeable 71.6°F (22°C). Weather in September »
Weather in October
October, the same as September, in Summerville, Oregon, is another mild autumn month, with an average temperature fluctuating between 36.7°F (2.6°C) and 56.3°F (13.5°C). In Summerville, stepping into October signifies a significant temperature decrement, moving down from September's pleasant 71.6°F (22°C) to a mild 56.3°F (13.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Summerville, is also a frosty month, with an average temperature ranging between max 42.8°F (6°C) and min 29.1°F (-1.6°C). November's onset corresponds with a shift in the average high-temperature, moving from a moderate 56.3°F (13.5°C) in October to a chilly 42.8°F (6°C). Weather in November »
Weather in December
December, the first month of the winter in Summerville, is also a wintry month, with an average temperature fluctuating between 21°F (-6.1°C) and 33.8°F (1°C). In Summerville, December is the coldest month, with temperatures averaging a high of 33.8°F (1°C) and a low of 21°F (-6.1°C). Weather in December »
Updated: Aug 30, 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 most humid month?
The most humid month is January, with an average relative humidity of 87%.
What is the wettest month?
January is the month with the most rainfall. Rain falls for 11.5 days and accumulates 2.99" (76mm) of precipitation.
How much does it rain?
Throughout the year, there are 137.5 rainfall days, and 20.94" (532mm) of precipitation is accumulated.
When does it snow in Summerville?
January through May, September through December are months with snowfall.
How much does it snow?
In Summerville, during the entire year, snow falls for 68.6 days and aggregates up to 52.4" (1331mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.8h of sunshine.
What is the month with the lowest UV index?
January is the month with the lowest UV index, with an average maximum UV index of 1.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 14.2 days and accumulates 13.62" (346mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Summerville, 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 Summerville, snow does not fall in June through August.
When are the longest days?
With an average of 15h and 36min of daylight, June has the longest days of the year.
What is the driest month?
July is the month with the least rainfall. Rain falls for 5.3 days and accumulates 0.35" (9mm) of precipitation.
What is the month with the highest UV index?
With an average maximum UV index of 6, July is the month with the highest UV index.
What is the warmest month?
August, with its high-temperature average of 81.1°F (27.3°C) and a low-temperature average of 51.4°F (10.8°C), is the warmest month.
What is the least humid month?
With an average relative humidity of 47%, August is the least humid month.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 12h of sunshine.
What is the coldest time of year?
With an average high-temperature of 33.8°F (1°C) and an average low-temperature of 21°F (-6.1°C), December is the coldest month.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 48min of daylight.
Average temperature
Summerville, OR
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (33.8°F).
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (21°F).
Average pressure
Summerville, OR
- Average pressure in January:
30.21"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.18"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed
Summerville, OR
- Average wind speed in January:
6.8mph - Average wind speed in February:
6mph - Average wind speed in March:
6.2mph - Average wind speed in April:
5.7mph - Average wind speed in May:
4.7mph - Average wind speed in June:
4.6mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4.1mph - Average wind speed in September:
4.3mph - Average wind speed in October:
5.2mph - Average wind speed in November:
6.5mph - Average wind speed in December:
6.5mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity
Summerville, OR
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (47%).
Average rainfall
Summerville, OR
- Average rainfall in January:
2.99" - Average rainfall in February:
2.91" - Average rainfall in March:
2.48" - Average rainfall in April:
2.13" - Average rainfall in May:
1.81" - Average rainfall in June:
1.34"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.43" - Average rainfall in September:
0.67" - Average rainfall in October:
1.54" - Average rainfall in November:
1.57" - Average rainfall in December:
2.72"
The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days
Summerville, OR
- Average rainfall days in January:
11.5 days - Average rainfall days in February:
13.1 days - Average rainfall days in March:
17.8 days - Average rainfall days in April:
16.7 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
5.3 days - Average rainfall days in August:
4.3 days - Average rainfall days in September:
6.5 days - Average rainfall days in October:
12 days - Average rainfall days in November:
12.1 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (4.3 days).
Average snowfall
Summerville, OR
- Average snowfall in January:
12.72" - Average snowfall in February:
13.62" - Average snowfall in March:
7.01" - Average snowfall in April:
3.11" - Average snowfall in May:
0.47" - Average snowfall in June:
0"
The month with the highest snowfall is February (13.62").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Summerville, OR
- Average snowfall days in January:
14.1 days - Average snowfall days in February:
14.2 days - Average snowfall days in March:
11.2 days - Average snowfall days in April:
6.3 days - Average snowfall days in May:
1.3 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:
0.2 days - Average snowfall days in October:
1.1 days - Average snowfall days in November:
6 days - Average snowfall days in December:
14.2 days
The months with the highest number of snowfall days are February and December (14.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Summerville, 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 0min - 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:
4h and 5min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 5min - Average sunshine in April:
9h and 5min - Average sunshine in May:
10h and 3min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 2min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days
Summerville, OR
- Average sunshine days in January:
11.8 days - Average sunshine days in February:
8.2 days - Average sunshine days in March:
7.6 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
16.4 days
- Average sunshine days in July:
23.8 days - Average sunshine days in August:
24.3 days - Average sunshine days in September:
21.8 days - Average sunshine days in October:
18 days - Average sunshine days in November:
14.2 days - Average sunshine days in December:
12.1 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is March (7.6 days).
Average UV index
Summerville, OR
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Summerville, OR
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility
Summerville, OR
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is February (4mi).
Summerville, Oregon, USA
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