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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 an icy winter month in Terrace Heights, Washington, with an average temperature varying between 37.6°F (3.1°C) and 26.6°F (-3°C). January brings a marginal elevation to a still icy 37.6°F (3.1°C) from December's 36.9°F (2.7°C) in Terrace Heights's average high-temperatures. Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Terrace Heights, Washington, with an average temperature fluctuating between 41.5°F (5.3°C) and 28.9°F (-1.7°C). Terrace Heights commences February with an average high-temperature of a still cold 41.5°F (5.3°C), maintaining a close resemblance to the previous month. Weather in February »
Weather in March
March, the first month of the spring in Terrace Heights, is a chilly month, with temperature in the range of an average high of 49.5°F (9.7°C) and an average low of 34.7°F (1.5°C). In March, the average high-temperature marginally rises from a wintry 41.5°F (5.3°C) in February to a frosty 49.5°F (9.7°C). Weather in March »
Weather in April
April is a moderate spring month in Terrace Heights, Washington, with an average temperature ranging between max 59.2°F (15.1°C) and min 40.1°F (4.5°C). Terrace Heights's transition into April is marked by a temperature shift, moving from a frosty 49.5°F (9.7°C) in March to a moderate 59.2°F (15.1°C). Weather in April »
Weather in May
May, the last month of the spring in Terrace Heights, is a pleasant month, with an average temperature fluctuating between 69.3°F (20.7°C) and 47.5°F (8.6°C). May's onset brings a temperature rise, moving from a mild 59.2°F (15.1°C) in April to an agreeable 69.3°F (20.7°C). Weather in May »
Weather in June
June, the first month of the summer in Terrace Heights, is a moderately hot month, with an average temperature varying between 76.5°F (24.7°C) and 52.3°F (11.3°C). With the onset of June, Terrace Heights's weather sees a minor temperature rise, transitioning from an agreeable 69.3°F (20.7°C) in May to a warm 76.5°F (24.7°C). Weather in June »
Weather in July
July in Terrace Heights, Washington, is a hot summer month, with temperature in the range of an average high of 86.2°F (30.1°C) and an average low of 59.2°F (15.1°C). An upsurge in temperatures occurs as June gives way to July, with average highs shifting from a moderately hot 76.5°F (24.7°C) to a tropical 86.2°F (30.1°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Terrace Heights, Washington, with an average temperature ranging between max 86.5°F (30.3°C) and min 60.3°F (15.7°C). With average high temperatures of 86.5°F (30.3°C) and lows of 60.3°F (15.7°C), August is the warmest month. Weather in August »
Weather in September
September, the first month of the autumn in Terrace Heights, is also a moderately hot month, with an average temperature varying between 53.4°F (11.9°C) and 74.8°F (23.8°C). The shift from August to September involves a decrease in the average high-temperature, from a tropical 86.5°F (30.3°C) to a moderately hot 74.8°F (23.8°C). Weather in September »
Weather in October
October, the same as September, in Terrace Heights, Washington, is another refreshing autumn month, with an average temperature ranging between max 60.1°F (15.6°C) and min 42.6°F (5.9°C). The arrival of October brings a distinct temperature shift, with the average high-temperature dropping from a moderately hot 74.8°F (23.8°C) in September to a moderate 60.1°F (15.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Terrace Heights, Washington, with an average temperature fluctuating between 32.7°F (0.4°C) and 46.8°F (8.2°C). Onset of November comes with a temperature decline, the average high falling from a mild 60.1°F (15.6°C) in October to a frosty 46.8°F (8.2°C). Weather in November »
Weather in December
December, the first month of the winter in Terrace Heights, is also an icy month, with an average temperature fluctuating between 25.5°F (-3.6°C) and 36.9°F (2.7°C). December, with its high-temperature average of 36.9°F (2.7°C) and a low-temperature average of 25.5°F (-3.6°C), is the coldest month. Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Terrace Heights?
The most humid month in Terrace Heights, Washington, is January, with an average relative humidity of 81%.
What is the wettest month in Terrace Heights?
The month with the most rainfall is January, when the rain falls for 10.3 days and typically aggregates up to 0.87" (22mm) of precipitation.
How many days does it rain in Terrace Heights?
Throughout the year, in Terrace Heights, Washington, there are 82.2 rainfall days, and 5.43" (138mm) of precipitation is accumulated.
When does it snow in Terrace Heights?
January through March, September, November and December are months with snowfall in Terrace Heights.
How many days does it snow in Terrace Heights?
Throughout the year, in Terrace Heights, there are 18.5 snowfall days, and 7.8" (198mm) of snow is accumulated.
What is the month with the least sunshine in Terrace Heights?
The month with the least sunshine in Terrace Heights, Washington, is January, with an average of 5.6h of sunshine.
When is the lowest UV index in Terrace Heights?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Terrace Heights.
When is Daylight Saving Time (DST) in Terrace Heights?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Terrace Heights, 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 Terrace Heights?
April through August and October are months without snowfall in Terrace Heights, Washington.
When are the longest days in Terrace Heights?
June has the longest days of the year, with an average of 15h and 48min of daylight.
What is the least humid month in Terrace Heights?
The months with the lowest humidity in Terrace Heights are July and August, with an average relative humidity of 39%.
What is the driest month in Terrace Heights?
July is the month with the least rainfall. Rain falls for 2.1 days and accumulates 0.08" (2mm) of precipitation.
What are the months with the most sunshine in Terrace Heights?
July and August, with an average of 12.1h of sunshine, are months with the most sunshine.
What is the month with the highest UV index in Terrace Heights?
With an average maximum UV index of 7, July is the month with the highest UV index.
What are the warmest months in Terrace Heights?
Terrace Heights, Washington, witnesses the warmest weather in August, with temperatures averaging a high of 86.5°F (30.3°C) and a low of 60.3°F (15.7°C).
What are the coldest months in Terrace Heights?
In Terrace Heights, Washington, the lowest temperatures are generally noted in December, averaging a high of 36.9°F (2.7°C) and a low of 25.5°F (-3.6°C).
What is the snowiest month in Terrace Heights?
December is the month with the most snowfall. Snow falls for 5.4 days and accumulates 2.76" (70mm) of snow.
What is the month with the shortest days in Terrace Heights?
With an average of 8h and 36min of daylight, December has the shortest days of the year.
Average temperature
Terrace Heights, WA
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (36.9°F).
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).
Average pressure
Terrace Heights, 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:
30.04"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.14"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
Terrace Heights, WA
- Average wind speed in January:
4.5mph - Average wind speed in February:
4.9mph - Average wind speed in March:
5.9mph - Average wind speed in April:
6.8mph - Average wind speed in May:
6.8mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.5mph - Average wind speed in September:
6mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5mph - Average wind speed in December:
4.4mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).
Average humidity
Terrace Heights, WA
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (39%).
Average rainfall
Terrace Heights, WA
- Average rainfall in January:
0.87" - Average rainfall in February:
0.59" - Average rainfall in March:
0.63" - Average rainfall in April:
0.31" - Average rainfall in May:
0.63" - Average rainfall in June:
0.24"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.16" - Average rainfall in September:
0.24" - Average rainfall in October:
0.43" - Average rainfall in November:
0.43" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is January (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days
Terrace Heights, WA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
7.8 days - Average rainfall days in May:
6.8 days - Average rainfall days in June:
4.8 days
- Average rainfall days in July:
2.1 days - Average rainfall days in August:
2 days - Average rainfall days in September:
3.9 days - Average rainfall days in October:
8 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
9.1 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (2 days).
Average snowfall
Terrace Heights, WA
The month with the highest snowfall is December (2.76").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days
Terrace Heights, WA
- Average snowfall days in January:
4.5 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
2.1 days - Average snowfall days in April:
0.1 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 days - Average snowfall days in December:
5.4 days
The month with the highest number of snowfall days is December (5.4 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight / Average sunshine
Terrace Heights, 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 0min - 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 4min - 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 1min - Average sunshine in November:
6h and 5min - 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 36min).
Average sunshine days
Terrace Heights, WA
- Average sunshine days in January:
17 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
16.4 days - Average sunshine days in April:
18.8 days - Average sunshine days in May:
21.2 days - Average sunshine days in June:
23 days
- Average sunshine days in July:
27.5 days - Average sunshine days in August:
27.4 days - Average sunshine days in September:
23.8 days - Average sunshine days in October:
20 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
17.3 days
The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is February (15.8 days).
Average UV index
Terrace Heights, WA
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Terrace Heights, 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
Terrace Heights, 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).
Terrace Heights, Washington, USA
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