Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Steilacoom's transition into April sees a mild rise in the average high-temperature, edging from a fresh 51.8°F (11°C) in March to a mild 57.2°F (14°C). April is noted for a mean low-temperature of 39.4°F (4.1°C).Humidity
The average relative humidity in April in Steilacoom, Washington, is 79%.Rainfall
In Steilacoom, in April, it is raining for 17.9 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 172.9 rainfall days, and 30.08" (764mm) of precipitation is accumulated.Snowfall
In Steilacoom, snow does not fall in April through October.Daylight
The average length of the day in April is 13h and 39min.On the first day of April in Steilacoom, sunrise is at 6:47 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:20 pm PDT.
Sunshine
In April, the average sunshine in Steilacoom, Washington, is 7.8h.UV index
In Steilacoom, Washington, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 3 during April leads to these instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the usual temperature for Steilacoom in April?
What is the average humidity in April in Steilacoom?
How many days does it rain in April in Steilacoom?
When it does not snow in Steilacoom?
Does it snow in Steilacoom in April?
What is the average length of the day in April in Steilacoom?
When are sunrise and sunset in April in Steilacoom?
How many hours of sunshine does Steilacoom have in April?
What is the UV index reading in April in Steilacoom?
Average temperature in April
Steilacoom, WA
- Average high temperature in April: 57.2°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in April: 39.4°F
The month with the highest average low temperature is August (52.7°F).
The coldest months (with the lowest average low temperature) are February and December (34.3°F).
Average pressure in April
Steilacoom, WA
- Average pressure in April: 30.05"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 (30.01"Hg).
Average wind speed in April
Steilacoom, WA
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in April
Steilacoom, WA
- Average humidity in April: 79%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (68%).
Average rainfall in April
Steilacoom, WA
- Average rainfall in April: 2.44"
The wettest month (with the highest rainfall) is December (4.69").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in April
Steilacoom, WA
- Average rainfall days in April: 17.9 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (5 days).
Average snowfall in April
Steilacoom, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Steilacoom, WA
- Average snowfall days in April: 0.2 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
Steilacoom, 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 36min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in April
Steilacoom, WA
- Average sunshine days in April: 9.9 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (9 days).
Average UV index in April
Steilacoom, 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, February, November and December (UV index 2).
Average cloud cover in April
Steilacoom, WA
- Average cloud cover in April: 52
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Steilacoom, WA
- Average visibility in April: 5mi
The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (5mi).
Steilacoom, Washington, USA
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