April weather forecast
Tieton, WA

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Weather in April

April is a moderate spring month in Tieton, Washington, with an average temperature ranging between max 57.4°F (14.1°C) and min 38.7°F (3.7°C).

Temperature

Tieton's April weather indicates a minor increase in high-temperatures, edging from March's frosty 48.6°F (9.2°C) to a moderate 57.4°F (14.1°C). Tieton throughout April, records an average low-temperature of 38.7°F (3.7°C).

Humidity

In April, the average relative humidity is 59%.

Rainfall

In Tieton, during April, the rain falls for 9 days and regularly aggregates up to 0.35" (9mm) of precipitation. Throughout the year, in Tieton, there are 87.6 rainfall days, and 5.94" (151mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Tieton are January through April, September, November and December. April is the last month it regularly snows in Tieton. During 0.3 snowfall days, in April, Tieton aggregates 0.04" (1mm) of snow. In Tieton, during the entire year, snow falls for 19.9 days and aggregates up to 8.62" (219mm) of snow.

Daylight

The average length of the day in April is 13h and 37min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:32 pm. On the last day of April, in Tieton, sunrise is at 5:48 am and sunset at 8:12 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 reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: During April, 4 as the daily maximum UV index converts into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What are the temperatures in Tieton in April?

April temperatures in Tieton vary between a high-temperature of 57.4°F (14.1°C) and a low-temperature of 38.7°F (3.7°C).

What is the average humidity in April in Tieton?

The average relative humidity in April is 59%.

How much does it rain in Tieton in April?

In Tieton, in April, during 9 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

What is the last month it snows in Tieton?

April is the last month it regularly snows in Tieton, Washington. During 0.3 snowfall days, in April, Tieton aggregates 0.04" (1mm) of snow.

What is the average length of the day in April in Tieton?

In Tieton, the average day length in April is 13h and 37min.

When are sunrise and sunset in April in Tieton?

On the first day of April in Tieton, sunrise is at 6:40 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:12 pm PDT.

How many hours of sunshine does Tieton have in April?

In Tieton, the average sunshine duration in April is 11h.

What is the UV index reading in April in Tieton?

The average daily maximum UV index in April in Tieton, Washington, is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Tieton, WA

Average temperature in April - Tieton, WA
  • Average high temperature in April: 57.4°F

The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).

  • Average low temperature in April: 38.7°F

The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

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Average pressure in April
Tieton, WA

Average pressure in April - Tieton, 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
Tieton, WA

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

The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).

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Average humidity in April
Tieton, WA

Average humidity in April - Tieton, WA
  • Average humidity in April: 59%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).

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Average rainfall in April
Tieton, WA

Average rainfall in April - Tieton, WA
  • Average rainfall in April: 0.35"

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

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Average rainfall days in April
Tieton, WA

Average rainfall days in April - Tieton, WA
  • Average rainfall days in April: 9 days

The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).

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Average snowfall in April
Tieton, WA

Average snowfall in April - Tieton, WA
  • Average snowfall in April: 0.04"

The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").

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Average snowfall days in April
Tieton, WA

Average snowfall days in April - Tieton, WA
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is December (5.7 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
Tieton, WA

Average daylight in April / Average sunshine in April - Tieton, 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 30min).

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Average sunshine days in April
Tieton, WA

Average sunshine days in April - Tieton, WA
  • Average sunshine days in April: 18.5 days

The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).

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Average UV index in April
Tieton, WA

Average UV index in April - Tieton, WA
  • Average UV index in April: 4

The month with the highest UV index is July (UV index 6).
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
Tieton, WA

Average cloud cover in April - Tieton, 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
Tieton, WA

Average visibility in April - Tieton, 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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Tieton, Washington, USA

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