April weather forecast
Terrace Heights, WA

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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).

Temperature

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). April brings an average low-temperature of 40.1°F (4.5°C) to Terrace Heights.

Humidity

The average relative humidity in April in Terrace Heights, Washington, is 57%.

Rainfall

In Terrace Heights, during April, the rain falls for 7.8 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, in Terrace Heights, there are 82.2 rainfall days, and 5.43" (138mm) of precipitation is accumulated.

Snowfall

April through August and October are months without snowfall.

Daylight

In Terrace Heights, Washington, the average length of the day in April is 13h and 37min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:31 pm. On the last day of April, sunrise is at 5:47 am and sunset at 8:10 pm PDT.

Sunshine

In April, the average sunshine in Terrace Heights is 11h.

UV index

In April, the average daily maximum UV index in Terrace Heights is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In April, a regular UV index of 4 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. When the Sun is at its strongest around midday, find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What are April temperatures in Terrace Heights?

An average high-temperature, in April, in Terrace Heights, is 59.2°F (15.1°C) and the average low-temperature is 40.1°F (4.5°C).

What is the average humidity in April in Terrace Heights?

The average relative humidity in April is 57%.

How much does it rain in Terrace Heights in April?

In Terrace Heights, during April, the rain falls for 7.8 days and regularly aggregates up to 0.31" (8mm) of precipitation.

When it does not snow in Terrace Heights?

April through August and October are months without snowfall in Terrace Heights, Washington.

Does it snow in Terrace Heights in April?

In April, in Terrace Heights, Washington, it doesn't snow. March is the latest month when it typically snows.

What is the average length of the day in April in Terrace Heights?

The average day length in April in Terrace Heights, Washington, is 13h and 37min.

What time are sunrise and sunset in April in Terrace Heights?

In April, on the first day of the month, sunrise is at 6:39 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:10 pm PDT.

How many hours of sunshine does Terrace Heights have in April?

In April, the average sunshine duration is 11h.

How high is the UV index in April in Terrace Heights?

In April, the average daily maximum UV index in Terrace Heights is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Terrace Heights, WA

Average temperature in April - Terrace Heights, WA
  • Average high temperature in April: 59.2°F

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).

  • Average low temperature in April: 40.1°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).

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Average pressure in April
Terrace Heights, WA

Average pressure in April - Terrace Heights, WA
  • Average pressure in April: 30.01"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).

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Average wind speed in April
Terrace Heights, WA

Average wind speed in April - Terrace Heights, WA
  • Average wind speed in April: 6.8mph

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).

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Average humidity in April
Terrace Heights, WA

Average humidity in April - Terrace Heights, WA
  • Average humidity in April: 57%

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (39%).

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Average rainfall in April
Terrace Heights, WA

Average rainfall in April - Terrace Heights, WA
  • Average rainfall in April: 0.31"

The wettest month (with the highest rainfall) is January (0.87").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in April
Terrace Heights, WA

Average rainfall days in April - Terrace Heights, WA
  • Average rainfall days in April: 7.8 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).

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Average snowfall in April
Terrace Heights, WA

Average snowfall in April - Terrace Heights, WA
  • Average snowfall in April: 0"

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").

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Average snowfall days in April
Terrace Heights, WA

Average snowfall days in April - Terrace Heights, WA
  • Average snowfall days in April: 0.1 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).

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Average daylight in April /
Average sunshine in April
Terrace Heights, WA

Average daylight in April / Average sunshine in April - Terrace Heights, WA
  • Average daylight in April: 13h 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 April: 11h and 0min

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).

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Average sunshine days in April
Terrace Heights, WA

Average sunshine days in April - Terrace Heights, WA
  • Average sunshine days in April: 18.8 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).

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Average UV index in April
Terrace Heights, WA

Average UV index in April - Terrace Heights, WA
  • Average UV index in April: 4

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).

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Average cloud cover in April
Terrace Heights, WA

Average cloud cover in April - Terrace Heights, WA
  • Average cloud cover in April: 27

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).

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Average visibility in April
Terrace Heights, WA

Average visibility in April - Terrace Heights, WA
  • Average visibility in April: 6mi

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).

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Terrace Heights, Washington, USA

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