April weather forecast
Redmond, WA

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Weather in April

April represents the flight of frosty winters and the advent of refreshing spring in Redmond. With the rise in temperatures, snowfall becomes a distant memory. Although rainfall persists, it noticeably tapers off from the winter months, signaling the onset of drier days. At the same time, daylight hours extend, bringing the city out of winter's long shadows. The relative humidity reduces to 80%, allowing residents to experience the comfortable warmth of the season without any accompanying stickiness.

Temperature

April commences with an average high-temperature of a moderate 55.4°F (13°C), showing little deviation from March's 50.2°F (10.1°C). Throughout April, Redmond's nights cool down to an average of 38.8°F (3.8°C).

Humidity

In April, the average relative humidity is 80%.

Rainfall

In Redmond, in April, it is raining for 17.8 days, with typically 2.52" (64mm) of accumulated precipitation. In Redmond, during the entire year, the rain falls for 174 days and collects up to 29.69" (754mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in April is 13h and 41min.
On the first day of April, sunrise is at 6:45 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:20 pm PDT.

Sunshine

The average sunshine in April is 8h.

UV index

In Redmond, Washington, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 3 in April translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

The average high-temperature and low-temperature during April are 55.4°F (13°C) and 38.8°F (3.8°C) respectively.

What is the average humidity in April?

In April, the average relative humidity is 80%.

How much does it rain in April?

In Redmond, during April, the rain falls for 17.8 days and regularly aggregates up to 2.52" (64mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

Does it snow in April?

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

What is the average length of the day in April?

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

When are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:45 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:20 pm PDT.

How many hours of sunshine does Redmond have in April?

The average sunshine duration in April is 8h.

What is the UV index intensity in April?

In Redmond, Washington, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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
Redmond, WA

Average temperature in April - Redmond, WA
  • Average high temperature in April: 55.4°F

The warmest month (with the highest average high temperature) is August (76.3°F).
The month with the lowest average high temperature is December (42.1°F).

  • Average low temperature in April: 38.8°F

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34°F).

Average pressure in April
Redmond, WA

Average pressure in April - Redmond, WA
  • Average pressure in April: 30.04"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in April
Redmond, WA

Average wind speed in April - Redmond, WA
  • Average wind speed in April: 4.3mph

The windiest months (with the highest average wind speed) are January and March (5mph).
The calmest months (with the lowest average wind speed) are July and August (3.4mph).

Average humidity in April
Redmond, WA

Average humidity in April - Redmond, WA
  • Average humidity in April: 80%

The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is July (70%).

Average rainfall in April
Redmond, WA

Average rainfall in April - Redmond, WA
  • Average rainfall in April: 2.52"

The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is July (0.39").

Average rainfall days in April
Redmond, WA

Average rainfall days in April - Redmond, WA
  • Average rainfall days in April: 17.8 days

The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is August (5.9 days).

Average snowfall in April
Redmond, WA

Average snowfall in April - Redmond, WA
  • Average snowfall in April: 0"

The month with the highest snowfall is February (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in April
Redmond, WA

Average snowfall days in April - Redmond, WA
  • Average snowfall days in April: 0.1 days

The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in April / Average sunshine in April - Redmond, 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: 8h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

Average sunshine days in April
Redmond, WA

Average sunshine days in April - Redmond, WA
  • Average sunshine days in April: 10.1 days

The month with the most sunshine days is August (23.3 days).
The month with the least sunshine days is February (8.8 days).

Average UV index in April
Redmond, WA

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

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in April
Redmond, WA

Average cloud cover in April - Redmond, WA
  • Average cloud cover in April: 51

The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in April
Redmond, WA

Average visibility in April - Redmond, WA
  • Average visibility in April: 5mi

The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).

Redmond, Washington, USA

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