April weather forecast
Chehalis, WA

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Weather in April

April is a moderate spring month in Chehalis, Washington, with an average temperature ranging between max 56.1°F (13.4°C) and min 36.9°F (2.7°C).

Temperature

With the onset of April, the average high-temperature subtly transitions from a fresh 50.5°F (10.3°C) in March to a refreshing 56.1°F (13.4°C). During the nights in April, Chehalis experiences a consistent average temperature of 36.9°F (2.7°C).

Humidity

The average relative humidity in April in Chehalis is 83%.

Rainfall

In Chehalis, in April, it is raining for 19 days, with typically 2.91" (74mm) of accumulated precipitation. Throughout the year, in Chehalis, there are 185.5 rainfall days, and 36.1" (917mm) of precipitation is accumulated.

Snowfall

In Chehalis, Washington, snow does not fall in April through October.

Daylight

In April, the average length of the day is 13h and 37min.
On the first day of the month, sunrise is at 6:49 am and sunset at 7:41 pm. On the last day of April, in Chehalis, sunrise is at 5:57 am and sunset at 8:20 pm PDT.

Sunshine

In April, the average sunshine in Chehalis is 6.8h.

UV index

In Chehalis, Washington, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 3 in April suggests the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. To protect against the Sun's most potent rays, avoid direct exposure around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Feb 14, 2024 | Published by: Weather U.S. | About Us

Frequently asked questions

What is the temperature in April in Chehalis?

The average high-temperature, in April, in Chehalis, is 56.1°F (13.4°C), while the average low-temperature is 36.9°F (2.7°C).

What is the average humidity in April in Chehalis?

The average relative humidity in April in Chehalis is 83%.

How many days does it rain in April in Chehalis?

In April, in Chehalis, the rain falls for 19 days. Throughout April, 2.91" (74mm) of precipitation is accumulated.

When it does not snow in Chehalis?

April through October are months without snowfall in Chehalis, Washington.

Does it snow in Chehalis in April?

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

How many hours of daylight does Chehalis have in April?

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

When is the sunrise / sunset in April in Chehalis?

On the first day of April in Chehalis, Washington, sunrise is at 6:49 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:20 pm PDT.

How many hours of sunshine does Chehalis have in April?

In Chehalis, the average sunshine duration in April is 6.8h.

How high is the UV index in April in Chehalis?

In Chehalis, 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 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
Chehalis, WA

Average temperature in April - Chehalis, WA
  • Average high temperature in April: 56.1°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 (42.6°F).

  • Average low temperature in April: 36.9°F

The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).

Average pressure in April
Chehalis, WA

Average pressure in April - Chehalis, WA
  • Average pressure in April: 30.06"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.02"Hg).

Average wind speed in April
Chehalis, WA

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

The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).

Average humidity in April
Chehalis, WA

Average humidity in April - Chehalis, WA
  • Average humidity in April: 83%

The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is July (73%).

Average rainfall in April
Chehalis, WA

Average rainfall in April - Chehalis, WA
  • Average rainfall in April: 2.91"

The wettest month (with the highest rainfall) is January (5.51").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days in April
Chehalis, WA

Average rainfall days in April - Chehalis, WA
  • Average rainfall days in April: 19 days

The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (6.4 days).

Average snowfall in April
Chehalis, WA

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

The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in April
Chehalis, WA

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

The month with the highest number of snowfall days is February (3.5 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
Chehalis, WA

Average daylight in April / Average sunshine in April - Chehalis, 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: 6h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in April
Chehalis, WA

Average sunshine days in April - Chehalis, WA
  • Average sunshine days in April: 9.7 days

The months with the most sunshine days are July and August (20.8 days).
The month with the least sunshine days is February (7.6 days).

Average UV index in April
Chehalis, WA

Average UV index in April - Chehalis, 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
Chehalis, WA

Average cloud cover in April - Chehalis, WA
  • Average cloud cover in April: 60

The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in April
Chehalis, WA

Average visibility in April - Chehalis, WA
  • Average visibility in April: 4mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).

Chehalis, Washington, USA

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