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
April brings a slight elevation in the average high-temperature, transitioning from March's chilly 46.6°F (8.1°C) to a cool 52°F (11.1°C). Throughout April, Clear Lake witnesses a nighttime temperature average of 37.8°F (3.2°C).Humidity
In Clear Lake, the average relative humidity in April is 83%.Rainfall
In Clear Lake, during April, the rain falls for 20.8 days and regularly aggregates up to 4.17" (106mm) of precipitation. In Clear Lake, Washington, during the entire year, the rain falls for 203.2 days and collects up to 49.72" (1263mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Clear Lake aggregates 0.24" (6mm) of snow. In Clear Lake, during the entire year, snow falls for 12 days and aggregates up to 12.32" (313mm) of snow.Daylight
In Clear Lake, Washington, the average length of the day in April is 13h and 44min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:40 pm. On the last day of April, sunrise is at 5:49 am and sunset at 8:22 pm PDT.
Sunshine
In April, the average sunshine in Clear Lake is 7.2h.UV index
In Clear Lake, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the usual temperature for Clear Lake in April?
What is the average humidity in April in Clear Lake?
How much does it rain in Clear Lake in April?
What is the last month it snows in Clear Lake?
What is the average length of the day in April in Clear Lake?
What time are sunrise and sunset in April in Clear Lake?
How long on average sun shines in April in Clear Lake?
What is the UV index reading in April in Clear Lake?
Average temperature in April
Clear Lake, WA
- Average high temperature in April: 52°F
The warmest month (with the highest average high temperature) is July (70.9°F).
The month with the lowest average high temperature is December (40.5°F).
- Average low temperature in April: 37.8°F
The month with the highest average low temperature is August (50.5°F).
The coldest months (with the lowest average low temperature) are February and December (32.5°F).
Average pressure in April
Clear Lake, WA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
Clear Lake, WA
- Average wind speed in April: 4.7mph
The windiest month (with the highest average wind speed) is November (5.7mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in April
Clear Lake, WA
- Average humidity in April: 83%
The months with the highest relative humidity are January, February and March (86%).
The month with the lowest relative humidity is July (75%).
Average rainfall in April
Clear Lake, WA
- Average rainfall in April: 4.17"
The wettest month (with the highest rainfall) is November (7.09").
The driest month (with the least rainfall) is July (0.98").
Average rainfall days in April
Clear Lake, WA
- Average rainfall days in April: 20.8 days
The month with the highest number of rainy days is March (22.1 days).
The month with the least rainy days is August (9.4 days).
Average snowfall in April
Clear Lake, WA
- Average snowfall in April: 0.24"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Clear Lake, WA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (4.3 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
Clear Lake, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in April
Clear Lake, WA
- Average sunshine days in April: 7.4 days
The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is March (7.3 days).
Average UV index in April
Clear Lake, 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, March, October, November and December (UV index 2).
Average cloud cover in April
Clear Lake, WA
- Average cloud cover in April: 56
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Clear Lake, 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).
Clear Lake, Washington, USA
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