Climate and monthly weather forecastSilvana, WA
Climate and monthly weather forecast
Weather in January
January is a frosty winter month in Silvana, Washington, with an average temperature ranging between max 43.3°F (6.3°C) and min 34.7°F (1.5°C). With January's arrival, Silvana's weather records an average high-temperature of a frosty 43.3°F (6.3°C), marking little difference from December's 41.7°F (5.4°C). Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Silvana, Washington, with temperature in the range of an average low of 33.8°F (1°C) and an average high of 44.2°F (6.8°C). Silvana's average high-temperature in February sits at a still chilly 44.2°F (6.8°C), showing little difference from the previous month. Weather in February »Weather in March
The first month of the spring, March, is also a frosty month in Silvana, Washington, with an average temperature varying between 36.3°F (2.4°C) and 48.4°F (9.1°C). The onset of March notes an average high-temperature of a still chilly 48.4°F (9.1°C), subtly shifted from February's 44.2°F (6.8°C). Weather in March »Weather in April
April is a cool spring month in Silvana, Washington, with an average temperature varying between 53.6°F (12°C) and 39.4°F (4.1°C). As Silvana welcomes April, the average high-temperature records at a cool 53.6°F (12°C), marking an insignificant deviation from the prior month. Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Silvana, Washington, with an average temperature fluctuating between 61.3°F (16.3°C) and 43.7°F (6.5°C). May's arrival is noted with a slight increase in the average high-temperature, moving from a cool 53.6°F (12°C) in April to a refreshing 61.3°F (16.3°C). Weather in May »Weather in June
June, the first month of the summer in Silvana, is still a comfortable month, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 66°F (18.9°C). Upon the beginning of June, Silvana's high-temperatures register at a still enjoyable 66°F (18.9°C), closely mirroring the preceding month. Weather in June »Weather in July
July is an agreeable summer month in Silvana, Washington, with an average temperature varying between 50.5°F (10.3°C) and 72°F (22.2°C). July's arrival brings a modest temperature shift, moving from an enjoyable 66°F (18.9°C) in June to an agreeable 72°F (22.2°C). Weather in July »Weather in August
August, the last month of the summer in Silvana, is also an agreeable month, with an average temperature varying between 72.3°F (22.4°C) and 51.6°F (10.9°C). With an average high-temperature of 72.3°F (22.4°C) and an average low-temperature of 51.6°F (10.9°C), August is the warmest month. Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Silvana, Washington, with an average temperature fluctuating between 66.2°F (19°C) and 49.1°F (9.5°C). The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a pleasant 72.3°F (22.4°C) in August to a comfortable 66.2°F (19°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Silvana, Washington, with an average temperature fluctuating between 43.3°F (6.3°C) and 56.3°F (13.5°C). October's arrival corresponds with a decrease in average high-temperatures, from September's refreshing 66.2°F (19°C) to a moderate 56.3°F (13.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Silvana, Washington, with an average temperature ranging between max 46.9°F (8.3°C) and min 38.5°F (3.6°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a mild 56.3°F (13.5°C) in October to a frosty 46.9°F (8.3°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Silvana, Washington, with an average temperature varying between 41.7°F (5.4°C) and 34°F (1.1°C). In Silvana, December is the month with the lowest recorded average temperatures, measuring a high of 41.7°F (5.4°C) and a low of 34°F (1.1°C). Weather in December »Updated: Aug 17, 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
The months with the highest humidity are January, February, November and December, with an average relative humidity of 85%.
Throughout the year, there are 188.6 rainfall days, and 34.92" (887mm) of precipitation is accumulated.
Months with snowfall are January through April, November and December.
Throughout the year, there are 11.6 snowfall days, and 9.61" (244mm) of snow is accumulated.
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most snowfall in Silvana. Snow falls for 4.3 days and accumulates 4.45" (113mm) of snow.
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 Silvana, snow does not fall in May through October.
June has the longest days of the year, with an average of 16h and 0min of daylight.
The least humid month is July, with an average relative humidity of 73%.
July is the month with the least rainfall. Rain falls for 8 days and accumulates 0.51" (13mm) of precipitation.
The month with the highest UV index is July, with an average maximum UV index of 5.
August, marked by an average high-temperature of 72.3°F (22.4°C) and a low-temperature of 51.6°F (10.9°C), is the warmest month.
The month with the most sunshine is August, with an average of 10.7h of sunshine.
November is the month with the most rainfall. Rain falls for 20.2 days and accumulates 4.92" (125mm) of precipitation.
Silvana notes the coldest temperatures in December, with a average high of 41.7°F (5.4°C) and a low of 34°F (1.1°C).
The month with the shortest days is December, with an average of 8h and 24min of daylight.
The month with the least sunshine is December, with an average of 4.1h of sunshine.
Average temperature
Silvana, WA
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (41.7°F).
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is February (33.8°F).
Average pressure
Silvana, WA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
30.01"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:
30.03"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Silvana, WA
- Average wind speed in January:
5.6mph - Average wind speed in February:
5mph - Average wind speed in March:
5.5mph - Average wind speed in April:
4.7mph - Average wind speed in May:
3.9mph - Average wind speed in June:
3.7mph
- Average wind speed in July:
3.4mph - Average wind speed in August:
3.3mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.7mph - Average wind speed in November:
5.6mph - Average wind speed in December:
5.3mph
The windiest months (with the highest average wind speed) are January and November (5.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity
Silvana, WA
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall
Silvana, WA
- Average rainfall in January:
4.69" - Average rainfall in February:
3.66" - Average rainfall in March:
3.78" - Average rainfall in April:
2.95" - Average rainfall in May:
2.05" - Average rainfall in June:
1.38"
- Average rainfall in July:
0.51" - Average rainfall in August:
0.59" - Average rainfall in September:
2.05" - Average rainfall in October:
3.82" - Average rainfall in November:
4.92" - Average rainfall in December:
4.53"
The wettest month (with the highest rainfall) is November (4.92").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days
Silvana, WA
- Average rainfall days in January:
18.1 days - Average rainfall days in February:
16.9 days - Average rainfall days in March:
20.9 days - Average rainfall days in April:
19 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
8 days - Average rainfall days in August:
6.9 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
17.3 days - Average rainfall days in November:
20.2 days - Average rainfall days in December:
19.4 days
The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall
Silvana, WA
The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Silvana, WA
- Average snowfall days in January:
2.3 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
2.1 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:
0.7 days - Average snowfall days in December:
2 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Silvana, WA
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 36min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
4h and 12min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 54min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 42min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 30min - Average sunshine in December:
4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days
Silvana, WA
- Average sunshine days in January:
10.4 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
8.1 days - Average sunshine days in April:
8.4 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
20.6 days - Average sunshine days in August:
22 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
12.4 days - Average sunshine days in November:
9 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (8.1 days).
Average UV index
Silvana, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Silvana, WA
The month with the most cloud cover is December (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility
Silvana, WA
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
