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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 Trentwood, Washington, with an average temperature varying between 33.3°F (0.7°C) and 22.6°F (-5.2°C). Shifting into January, Trentwood records an average high-temperature of a still cold 33.3°F (0.7°C), presenting minor fluctuations compared to the previous month. Weather in January »
Weather in February
February, the last month of the winter in Trentwood, is another cold month, with an average temperature fluctuating between 36.5°F (2.5°C) and 24.1°F (-4.4°C). Stepping into February, Trentwood records an average high-temperature of a still icy 36.5°F (2.5°C), almost consistent with January. Weather in February »
Weather in March
March, the first month of the spring in Trentwood, is a chilly month, with an average temperature ranging between min 29.7°F (-1.3°C) and max 45°F (7.2°C). As March sets, the average high-temperature shows a slight increase, moving up from an icy 36.5°F (2.5°C) in February to a frosty 45°F (7.2°C). Weather in March »
Weather in April
April is a cool spring month in Trentwood, Washington, with an average temperature varying between 34.9°F (1.6°C) and 54.1°F (12.3°C). The onset of April brings a temperature shift, with the average high-temperature moving from a frosty 45°F (7.2°C) in March to a fresh 54.1°F (12.3°C). Weather in April »
Weather in May
May, the last month of the spring in Trentwood, is an enjoyable month, with an average temperature fluctuating between 65.1°F (18.4°C) and 41.2°F (5.1°C). May's arrival coincides with a temperature rise, moving from April's cool 54.1°F (12.3°C) to an enjoyable 65.1°F (18.4°C). Weather in May »
Weather in June
June, the first month of the summer in Trentwood, is an agreeable month, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 71.1°F (21.7°C). With the onset of June, Trentwood's weather sees a minor temperature rise, transitioning from a comfortable 65.1°F (18.4°C) in May to a pleasant 71.1°F (21.7°C). Weather in June »
Weather in July
July is a warm summer month in Trentwood, Washington, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 82.9°F (28.3°C). Entering July, Trentwood sees a temperature rise, with the average high-temperature advancing from June's pleasant 71.1°F (21.7°C) to a moderately hot 82.9°F (28.3°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Trentwood, Washington, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 83.3°F (28.5°C). Trentwood's temperatures tend to reach their peak averages in August, with a high of 83.3°F (28.5°C) and a low of 55.9°F (13.3°C). The heat index in August is computed to be 82.4°F (28°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Trentwood, Washington, with an average temperature ranging between max 72.5°F (22.5°C) and min 48.2°F (9°C). September brings a drop in Trentwood's average high-temperature, falling from a moderately hot 83.3°F (28.5°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Trentwood, Washington, with an average temperature ranging between max 55.9°F (13.3°C) and min 38.3°F (3.5°C). Trentwood's weather undergoes a significant change with the arrival of October, as the average high-temperature drops from a pleasant 72.5°F (22.5°C) in September to a mild 55.9°F (13.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a wintry month in Trentwood, Washington, with an average temperature fluctuating between 41°F (5°C) and 29.3°F (-1.5°C). The average high-temperature exhibits a considerable decrease in November, dropping from a moderate 55.9°F (13.3°C) in October to an icy 41°F (5°C). Weather in November »
Weather in December
December, the first month of the winter in Trentwood, is also a wintry month, with temperature in the range of an average high of 32°F (0°C) and an average low of 21.9°F (-5.6°C). December stands out as Trentwood's coldest month, with temperatures ranging between an average high of 32°F (0°C) and a low of 21.9°F (-5.6°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Trentwood?
January is the most humid month, with an average relative humidity of 91%.
What is the rainiest month in Trentwood?
January is the month with the most rainfall. Rain falls for 9.7 days and accumulates 2.28" (58mm) of precipitation.
How many days does it rain in Trentwood?
Throughout the year, there are 125.4 rainfall days, and 17.28" (439mm) of precipitation is accumulated.
When does it snow in Trentwood?
Months with snowfall in Trentwood, Washington, are January through May, September through December.
What is the snowiest month in Trentwood?
January is the month with the most snowfall. Snow falls for 13.3 days and accumulates 10.51" (267mm) of snow.
How much does it snow in Trentwood?
Throughout the year, in Trentwood, there are 56.4 snowfall days, and 37.4" (950mm) of snow is accumulated.
What are the months with the least sunshine in Trentwood?
January and December, with an average of 3.8h of sunshine, are months with the least sunshine.
When is Daylight Saving Time (DST) in Trentwood?
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 Trentwood?
June through August are months without snowfall.
When are the longest days in Trentwood?
June has the longest days of the year in Trentwood, with an average of 15h and 54min of daylight.
What is the driest month in Trentwood?
The months with the least rainfall are July and August Rain falls for 5.1 days and accumulates 0.35" (9mm) of rain.
What is the month with the highest UV index in Trentwood?
The month with the highest UV index in Trentwood, Washington, is July, with an average maximum UV index of 6.
What part of the year is the hottest in Trentwood?
August proves to be the warmest month in Trentwood, Washington, recording an average peak temperature of 83.3°F (28.5°C) and a minimum temperature of 55.9°F (13.3°C).
What is the least humid month in Trentwood?
August is the least humid month in Trentwood, Washington, with an average relative humidity of 43%.
What month has the most sunshine in Trentwood?
With an average of 12h of sunshine, August has the most sunshine of the year in Trentwood, Washington.
What time of the year is the coldest in Trentwood?
The coldest time of the year in Trentwood, Washington, is December, with temperatures averaging a high of 32°F (0°C) and a low of 21.9°F (-5.6°C).
What is the month with the shortest days in Trentwood?
The month with the shortest days in Trentwood, Washington, is December, with an average of 8h and 30min of daylight.
What is the month with the lowest UV index in Trentwood?
December is the month with the lowest UV index in Trentwood, Washington, with an average maximum UV index of 1.
Average temperature
Trentwood, WA
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (32°F).
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure
Trentwood, WA
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.92"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:
30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed
Trentwood, WA
- Average wind speed in January:
4.8mph - Average wind speed in February:
5.1mph - Average wind speed in March:
5.9mph - Average wind speed in April:
6.1mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5.4mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.9mph - Average wind speed in October:
5mph - Average wind speed in November:
5.1mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity
Trentwood, WA
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (43%).
Average rainfall
Trentwood, WA
- Average rainfall in January:
2.28" - Average rainfall in February:
1.61" - Average rainfall in March:
2.17" - Average rainfall in April:
1.42" - Average rainfall in May:
1.61" - Average rainfall in June:
1.26"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.35" - Average rainfall in September:
0.63" - Average rainfall in October:
1.61" - Average rainfall in November:
1.77" - Average rainfall in December:
2.2"
The wettest month (with the highest rainfall) is January (2.28").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days
Trentwood, WA
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
16 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
10.9 days
- Average rainfall days in July:
5.1 days - Average rainfall days in August:
5.5 days - Average rainfall days in September:
7.9 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
12.9 days - Average rainfall days in December:
8.9 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.1 days).
Average snowfall
Trentwood, WA
- Average snowfall in January:
10.51" - Average snowfall in February:
8.23" - Average snowfall in March:
4.65" - Average snowfall in April:
1.18" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (10.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Trentwood, WA
- Average snowfall days in January:
13.3 days - Average snowfall days in February:
11.2 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
3 days - Average snowfall days in May:
0.2 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:
0.5 days - Average snowfall days in November:
6.3 days - Average snowfall days in December:
13.9 days
The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Trentwood, 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:
15h and 5min
- Average daylight in July:
15h and 3min - 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 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 1min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days
Trentwood, WA
- Average sunshine days in January:
13.2 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
16.4 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
24.3 days - Average sunshine days in August:
23.2 days - Average sunshine days in September:
20.8 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
12.3 days - Average sunshine days in December:
13.4 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (10.3 days).
Average UV index
Trentwood, WA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Trentwood, WA
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility
Trentwood, WA
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Trentwood, Washington, USA
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