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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, is another cold winter month in Piedmont, Washington, with an average temperature fluctuating between 32.9°F (0.5°C) and 41.4°F (5.2°C). Piedmont, Washington, starts January with an average high-temperature of a still icy 41.4°F (5.2°C), a minor shift from December's 39.4°F (4.1°C). Weather in January »
Weather in February
February, the last month of the winter in Piedmont, is also an icy month, with an average temperature ranging between max 40.6°F (4.8°C) and min 31.5°F (-0.3°C). The onset of February manifests an average high-temperature of a still icy 40.6°F (4.8°C), demonstrating a minor variation from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Piedmont, Washington, with an average temperature fluctuating between 32.4°F (0.2°C) and 43.3°F (6.3°C). In March, Piedmont's weather conditions record an average high-temperature of a chilly 43.3°F (6.3°C), demonstrating little divergence from the preceding month. Weather in March »
Weather in April
April, the same as March, in Piedmont, Washington, is a frosty spring month, with an average temperature fluctuating between 48.2°F (9°C) and 35.6°F (2°C). Piedmont, Washington, marks the onset of April with an average high-temperature of a still chilly 48.2°F (9°C), subtly divergent from March's 43.3°F (6.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a mild month in Piedmont, Washington, with temperature in the range of an average low of 40.5°F (4.7°C) and an average high of 56.8°F (13.8°C). The beginning of May signals a minor rise in the average high-temperature, moving from a frosty 48.2°F (9°C) in April to a moderate 56.8°F (13.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a refreshing month in Piedmont, Washington, with an average temperature ranging between min 43.3°F (6.3°C) and max 61°F (16.1°C). Piedmont experiences a subtle adjustment in high-temperatures to an enjoyable 61°F (16.1°C) with the onset of June, maintaining near parity with May's 56.8°F (13.8°C). Weather in June »
Weather in July
July, the same as June, is another enjoyable summer month in Piedmont, Washington, with an average temperature varying between 47.3°F (8.5°C) and 67.6°F (19.8°C). A slight uplift in the average high-temperature marks July, adjusting from June's 61°F (16.1°C) to a still refreshing 67.6°F (19.8°C). Weather in July »
Weather in August
August, the last month of the summer in Piedmont, is an agreeable month, with an average temperature varying between 69.1°F (20.6°C) and 48.6°F (9.2°C). The average temperatures reach their apex in August, averaging 69.1°F (20.6°C) at the high end and 48.6°F (9.2°C) at the low end. Weather in August »
Weather in September
The first month of the autumn, September, is also an enjoyable month in Piedmont, Washington, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 45.5°F (7.5°C). As Piedmont enters September, the average high-temperature subtly lowers from the a pleasant 69.1°F (20.6°C) of August to a comfortable 62.6°F (17°C). Weather in September »
Weather in October
October, like September, in Piedmont, Washington, is another fresh autumn month, with an average temperature fluctuating between 41.5°F (5.3°C) and 53.1°F (11.7°C). The arrival of October corresponds with a shift in temperature, down from a refreshing 62.6°F (17°C) in September to a cool 53.1°F (11.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Piedmont, is another chilly month, with an average temperature varying between 36.5°F (2.5°C) and 44.6°F (7°C). November is characterized by a slight reduction in average high-temperature, easing from a fresh 53.1°F (11.7°C) in October to a frosty 44.6°F (7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Piedmont, Washington, with an average temperature ranging between max 39.4°F (4.1°C) and min 31.5°F (-0.3°C). The lowest temperatures are recorded in December, with averages reaching a high of 39.4°F (4.1°C) and a low of 31.5°F (-0.3°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Piedmont?
January and December, with an average relative humidity of 89%, are most humid months.
What is the wettest month in Piedmont?
January is the month with the most rainfall. Rain falls for 14.8 days and accumulates 3.35" (85mm) of precipitation.
How many days does it rain in Piedmont?
Throughout the year, there are 150.3 rainfall days, and 17.36" (441mm) of precipitation is accumulated.
When does it snow in Piedmont?
January through April, November and December are months with snowfall in Piedmont.
How many days does it snow in Piedmont?
Throughout the year, there are 20 snowfall days, and 11.06" (281mm) of snow is accumulated.
What is the month with the least sunshine in Piedmont?
January has the least sunshine of the year in Piedmont, Washington, with an average of 3.7h of sunshine.
When is the lowest UV index in Piedmont?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Piedmont, Washington.
When does it snow the most in Piedmont?
February is the month with the most snowfall. Snow falls for 7.2 days and accumulates 4.53" (115mm) of snow.
When is Daylight Saving Time (DST) in Piedmont?
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 in Piedmont?
In Piedmont, Washington, snow does not fall in May through October.
When are the longest days in Piedmont?
June has the longest days of the year, with an average of 16h and 0min of daylight.
What are the months with the highest UV index in Piedmont?
June through August, with an average maximum UV index of 4, are months with the highest UV index.
What is the least humid month in Piedmont?
July and August, with an average relative humidity of 76%, are the least humid months.
What is the driest month in Piedmont?
The months with the least rainfall are July and August Rain falls for 7.3 days and accumulates 0.43" (11mm) of rain.
What is the month with the most sunshine in Piedmont?
July and August, with an average of 10.4h of sunshine, are months with the most sunshine in Piedmont.
What is the warmest month in Piedmont?
In Piedmont, August is identified by the average highest temperatures, reaching a peak of 69.1°F (20.6°C) and a low of 48.6°F (9.2°C).
What time of the year is the coldest in Piedmont?
December, marked by an average high-temperature of 39.4°F (4.1°C) and a low-temperature of 31.5°F (-0.3°C), is the coldest month.
What is the month with the shortest days in Piedmont?
December has the shortest days of the year in Piedmont, Washington, with an average of 8h and 24min of daylight.
Average temperature
Piedmont, WA
The warmest month (with the highest average high temperature) is August (69.1°F).
The month with the lowest average high temperature is December (39.4°F).
The month with the highest average low temperature is August (48.6°F).
The coldest months (with the lowest average low temperature) are February and December (31.5°F).
Average pressure
Piedmont, WA
- Average pressure in January:
30.05"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.05"Hg
- Average pressure in July:
30.07"Hg - Average pressure in August:
30.03"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.01"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is July (30.07"Hg).
The month with the lowest atmospheric pressure is March (29.99"Hg).
Average wind speed
Piedmont, WA
- Average wind speed in January:
5.2mph - Average wind speed in February:
5mph - Average wind speed in March:
4.9mph - Average wind speed in April:
4.6mph - Average wind speed in May:
4.1mph - Average wind speed in June:
4.3mph
- Average wind speed in July:
4mph - Average wind speed in August:
3.5mph - Average wind speed in September:
3.5mph - Average wind speed in October:
4.2mph - Average wind speed in November:
5.2mph - Average wind speed in December:
4.8mph
The windiest months (with the highest average wind speed) are January and November (5.2mph).
The calmest months (with the lowest average wind speed) are August and September (3.5mph).
Average humidity
Piedmont, WA
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall
Piedmont, WA
- Average rainfall in January:
3.35" - Average rainfall in February:
1.85" - Average rainfall in March:
1.34" - Average rainfall in April:
1.1" - Average rainfall in May:
1.26" - Average rainfall in June:
0.94"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.43" - Average rainfall in September:
0.75" - Average rainfall in October:
1.5" - Average rainfall in November:
1.89" - Average rainfall in December:
2.52"
The wettest month (with the highest rainfall) is January (3.35").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days
Piedmont, WA
- Average rainfall days in January:
14.8 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
16.1 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
12.1 days
- Average rainfall days in July:
7.3 days - Average rainfall days in August:
5.4 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
13.8 days - Average rainfall days in December:
15.3 days
The month with the highest number of rainy days is March (16.1 days).
The month with the least rainy days is August (5.4 days).
Average snowfall
Piedmont, WA
The month with the highest snowfall is February (4.53").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Piedmont, WA
- Average snowfall days in January:
2.8 days - Average snowfall days in February:
7.2 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.6 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:
1.5 days - Average snowfall days in December:
3.6 days
The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Piedmont, WA
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 2min
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:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 3min - Average sunshine in December:
4h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Piedmont, WA
- Average sunshine days in January:
13.3 days - Average sunshine days in February:
9.6 days - Average sunshine days in March:
10 days - Average sunshine days in April:
10.6 days - Average sunshine days in May:
14 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
21 days - Average sunshine days in August:
22.5 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
15.2 days - Average sunshine days in November:
12.4 days - Average sunshine days in December:
12.8 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is February (9.6 days).
Average UV index
Piedmont, WA
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Piedmont, WA
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Piedmont, WA
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Piedmont, Washington, USA
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