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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 Hillside Siding, Washington, is an icy winter month, with temperature in the range of an average low of 25.5°F (-3.6°C) and an average high of 36.1°F (2.3°C). January's onset records an average high-temperature of a still cold 36.1°F (2.3°C), a near match to December's 36°F (2.2°C). Weather in January »
Weather in February
February, the last month of the winter in Hillside Siding, is also an icy month, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 28°F (-2.2°C). With the onset of February, the average high-temperature stands at a still icy 40.6°F (4.8°C), closely aligned with January's 36.1°F (2.3°C). Weather in February »
Weather in March
March, the first month of the spring in Hillside Siding, is a chilly month, with an average temperature ranging between min 33.4°F (0.8°C) and max 48.6°F (9.2°C). March signals a minor shift in the average high-temperature, moving from February's icy 40.6°F (4.8°C) to a chilly 48.6°F (9.2°C). Weather in March »
Weather in April
April is a mild spring month in Hillside Siding, Washington, with temperature in the range of an average low of 38.7°F (3.7°C) and an average high of 57.4°F (14.1°C). The shift from March to April introduces a subtle increase in the average high-temperature, moving from a frosty 48.6°F (9.2°C) to a refreshing 57.4°F (14.1°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Hillside Siding, Washington, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 67.8°F (19.9°C). May sees a temperature increase, moving from a mild 57.4°F (14.1°C) in April to an enjoyable 67.8°F (19.9°C). Weather in May »
Weather in June
June, the first month of the summer in Hillside Siding, is a moderately hot month, with an average temperature fluctuating between 74.8°F (23.8°C) and 51.3°F (10.7°C). With the transition into June, Hillside Siding experiences a subtle uplift in average high-temperatures, adjusting from a refreshing 67.8°F (19.9°C) in May to a moderately hot 74.8°F (23.8°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Hillside Siding, Washington, with an average temperature varying between 84.7°F (29.3°C) and 57.7°F (14.3°C). In Hillside Siding, the average high-temperature in July increases from 74.8°F (23.8°C) in June to a still warm 84.7°F (29.3°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Hillside Siding, Washington, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 85.1°F (29.5°C). Hillside Siding's August weather, with an average high temperature of 85.1°F (29.5°C) and an average low temperature of 58.8°F (14.9°C), tends to be the warmest of the year. Throughout August, the heat index is calculated to be 84.2°F (29°C). Weather in August »
Weather in September
September, the first month of the autumn in Hillside Siding, is also a moderately hot month, with an average temperature varying between 51.8°F (11°C) and 74.1°F (23.4°C). The shift from August to September involves a decrease in the average high-temperature, from a moderately hot 85.1°F (29.5°C) to a still warm 74.1°F (23.4°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Hillside Siding, Washington, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 59.2°F (15.1°C). October is characterized by a clear drop in the average high-temperature, falling from September's warm 74.1°F (23.4°C) to a moderate 59.2°F (15.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Hillside Siding, Washington, with temperature in the range of an average low of 32°F (0°C) and an average high of 45.5°F (7.5°C). Hillside Siding's weather changes with the onset of November, slightly falling from a moderate 59.2°F (15.1°C) in October to a chilly 45.5°F (7.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Hillside Siding, Washington, with an average temperature ranging between max 36°F (2.2°C) and min 23.9°F (-4.5°C). Hillside Siding experiences its lowest average temperatures in December, reaching a peak of 36°F (2.2°C) and a minimum of 23.9°F (-4.5°C). Weather in December »
Updated: Jul 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
What is the most humid month?
With an average relative humidity of 83%, January is the most humid month in Hillside Siding.
How many days does it rain?
In Hillside Siding, during the entire year, the rain falls for 87.6 days and collects up to 5.94" (151mm) of precipitation.
When does it snow?
January through April, September, November and December are months with snowfall.
How many days does it snow?
Throughout the year, there are 19.9 snowfall days, and 8.62" (219mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 5.5h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
May through August and October are months without snowfall.
When are the longest days?
With an average of 15h and 48min of daylight, June has the longest days of the year in Hillside Siding.
What is the least humid month?
July and August, with an average relative humidity of 41%, are the least humid months.
What is the driest month?
July is the month with the least rainfall. Rain falls for 2.3 days and accumulates 0.08" (2mm) of precipitation.
What is the month with the most sunshine?
The months with the most sunshine are July and August, with an average of 12.1h of sunshine.
What is the month with the highest UV index?
July is the month with the highest UV index in Hillside Siding, with an average maximum UV index of 6.
What are the warmest months?
With average high and low temperatures of 85.1°F (29.5°C) and 58.8°F (14.9°C) respectively, August is Hillside Siding's warmest month.
What time of the year is the coldest?
December stands out as Hillside Siding's coldest month, with temperatures ranging between an average high of 36°F (2.2°C) and a low of 23.9°F (-4.5°C).
What is the wettest month?
The month with the most rainfall is December, when the rain falls for 9.2 days and typically aggregates up to 0.87" (22mm) of precipitation.
What is the snowiest month in Hillside Siding?
The month with the most snowfall is December, when snow falls for 5.7 days and typically aggregates up to 3.07" (78mm) of snow.
What is the month with the shortest days?
With an average of 8h and 36min of daylight, December has the shortest days of the year.
Average temperature
Hillside Siding, WA
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure
Hillside Siding, WA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed
Hillside Siding, WA
- Average wind speed in January:
4.3mph - Average wind speed in February:
4.8mph - Average wind speed in March:
5.8mph - Average wind speed in April:
6.8mph - Average wind speed in May:
6.9mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
6.8mph - Average wind speed in September:
6.1mph - Average wind speed in October:
5.2mph - Average wind speed in November:
4.9mph - Average wind speed in December:
4.2mph
The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity
Hillside Siding, WA
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall
Hillside Siding, WA
- Average rainfall in January:
0.83" - Average rainfall in February:
0.59" - Average rainfall in March:
0.75" - Average rainfall in April:
0.35" - Average rainfall in May:
0.67" - Average rainfall in June:
0.28"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.2" - Average rainfall in September:
0.28" - Average rainfall in October:
0.55" - Average rainfall in November:
0.51" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days
Hillside Siding, WA
- Average rainfall days in January:
10.5 days - Average rainfall days in February:
8 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
9 days - Average rainfall days in May:
7.5 days - Average rainfall days in June:
5 days
- Average rainfall days in July:
2.3 days - Average rainfall days in August:
2.6 days - Average rainfall days in September:
4.8 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall
Hillside Siding, WA
The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days
Hillside Siding, WA
- Average snowfall days in January:
4.4 days - Average snowfall days in February:
4.5 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
2.1 days - Average snowfall days in December:
5.7 days
The month with the highest number of snowfall days is December (5.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight / Average sunshine
Hillside Siding, WA
- 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:
15h and 1min - Average daylight in June:
15h and 5min
- 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 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
5h and 3min - Average sunshine in February:
6h and 1min - Average sunshine in March:
8h and 3min - Average sunshine in April:
11h and 0min - Average sunshine in May:
11h and 2min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 1min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 4min - Average sunshine in December:
5h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days
Hillside Siding, WA
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
18.5 days - Average sunshine days in May:
20.3 days - Average sunshine days in June:
23.3 days
- Average sunshine days in July:
27.6 days - Average sunshine days in August:
26.8 days - Average sunshine days in September:
23.2 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
17.9 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).
Average UV index
Hillside Siding, WA
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
Hillside Siding, WA
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility
Hillside Siding, WA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Hillside Siding, Washington, USA
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