April weather forecast
Leavenworth, WA

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A bridge across a small river heads up to the classy Posthotel in Leavenworth, Washington
A bridge across a small river heads up to the classy Posthotel in Leavenworth, Washington

Weather in April

Come April, a complete transformation envelops Leavenworth as temperatures cross the 30°F (-1.1°C) mark, reaching up to and sometimes beyond 47.8°F (8.8°C). Dropping snowfall levels and 1.54" (39mm) of rain instead replace the winter with signs of spring. Long, sunny afternoons start to make an appearance, indicating the arrival of sunny weather henceforth. The change in weather becomes more appreciable through reduced cloud cover and increased visibility. April truly signals the beginning of the warm and welcoming months in Leavenworth.

Temperature

April's arrival coincides with a marginal rise in the average high-temperature, moving from March's cold 39.2°F (4°C) to a frosty 47.8°F (8.8°C). Leavenworth experiences an average low-temperature of 30°F (-1.1°C) in the month of April.

Humidity

The average relative humidity in April is 77%.

Rainfall

In April, in Leavenworth, the rain falls for 17.7 days. Throughout April, 1.65" (42mm) of precipitation is accumulated. In Leavenworth, during the entire year, the rain falls for 159.9 days and collects up to 25.63" (651mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Leavenworth, in April, snow falls for 5.2 days, with typically accumulated 1.54" (39mm) of snow. In Leavenworth, during the entire year, snow falls for 73.4 days and aggregates up to 57.99" (1473mm) of snow.

Daylight

In Leavenworth, the average length of the day in April is 13h and 41min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:33 pm. On the last day of April, sunrise is at 5:45 am and sunset at 8:14 pm PDT.

Sunshine

In April, the average sunshine is 9.8h.

UV index

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

What are the temperatures in April?

In April, in Leavenworth, the average high-temperature is 47.8°F (8.8°C), and the average low-temperature is 30°F (-1.1°C).

What is the average humidity in April?

In April, the average relative humidity is 77%.

How many days does it rain in April?

In Leavenworth, in April, it is raining for 17.7 days, with typically 1.65" (42mm) of accumulated precipitation.

How much does it snow in April?

In Leavenworth, during April, snow falls for 5.2 days and regularly aggregates up to 1.54" (39mm) of snow.

How many hours of daylight does Leavenworth have in April?

In April, the average day length is 13h and 41min.

What time are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:39 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:14 pm PDT.

How many hours of sunshine does Leavenworth have in April?

In April, the average sunshine duration is 9.8h.

What is the UV index reading in April?

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health risk 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
Leavenworth, WA

Average temperature in April - Leavenworth, WA
  • Average high temperature in April: 47.8°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (30.6°F).

  • Average low temperature in April: 30°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).

Average pressure in April
Leavenworth, WA

Average pressure in April - Leavenworth, WA
  • Average pressure in April: 30.01"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).

Average wind speed in April
Leavenworth, WA

Average wind speed in April - Leavenworth, WA
  • Average wind speed in April: 5mph

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).

Average humidity in April
Leavenworth, WA

Average humidity in April - Leavenworth, WA
  • Average humidity in April: 77%

The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are July and August (56%).

Average rainfall in April
Leavenworth, WA

Average rainfall in April - Leavenworth, WA
  • Average rainfall in April: 1.65"

The wettest month (with the highest rainfall) is January (4.33").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in April
Leavenworth, WA

Average rainfall days in April - Leavenworth, WA
  • Average rainfall days in April: 17.7 days

The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in April
Leavenworth, WA

Average snowfall in April - Leavenworth, WA
  • Average snowfall in April: 1.54"

The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").

Average snowfall days in April
Leavenworth, WA

Average snowfall days in April - Leavenworth, WA
  • Average snowfall days in April: 5.2 days

The month with the highest number of snowfall days is December (17 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in April /
Average sunshine in April
Leavenworth, WA

Average daylight in April / Average sunshine in April - Leavenworth, WA
  • Average daylight in April: 13h and 4min

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 April: 9h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in April
Leavenworth, WA

Average sunshine days in April - Leavenworth, WA
  • Average sunshine days in April: 8.5 days

The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (6.8 days).

Average UV index in April
Leavenworth, WA

Average UV index in April - Leavenworth, WA
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in April
Leavenworth, WA

Average cloud cover in April - Leavenworth, WA
  • Average cloud cover in April: 41

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in April
Leavenworth, WA

Average visibility in April - Leavenworth, WA
  • Average visibility in April: 6mi

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, March, November and December (4mi).

Leavenworth, Washington, USA

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