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 fluctuating between 59.2°F (15.1°C) and 40.1°F (4.5°C).

Temperature

April shows a rise in the average high-temperature, moving from March's chilly 49.5°F (9.7°C) to a refreshing 59.2°F (15.1°C). Terrace Heights experiences a nighttime temperature average of 40.1°F (4.5°C) during April.

Humidity

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

Rainfall

In April, the rain falls for 7.8 days. Throughout April, 0.31" (8mm) of precipitation is accumulated. In Terrace Heights, Washington, during the entire year, the rain falls for 82.2 days and collects up to 5.43" (138mm) of precipitation.

Snowfall

April through August and October are months without snowfall.

Daylight

In Terrace Heights, 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 is 11h.

UV index

In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In April, a daily UV index of 4 turns into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Around midday, solar radiation is most harmful; hence, exposure should be limited. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April?

In April, in Terrace Heights, the average high-temperature 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 April, the average relative humidity is 57%.

How much does it rain in April?

In Terrace Heights, in April, it is raining for 7.8 days, with typically 0.31" (8mm) of accumulated precipitation.

When it does not snow?

April through August and October are months without snowfall.

Does it snow in April?

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

What is the average length of the day in April?

The average day length in April 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?

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Terrace Heights, Washington, USA

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