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
Shifting into April, Sappho records an average high-temperature of a fresh 50.5°F (10.3°C), presenting minor fluctuations compared to the previous month. Sappho usually reports an average low-temperature of 39.7°F (4.3°C) during the month of April.Humidity
In April, the average relative humidity is 82%.Rainfall
In Sappho, during April, the rain falls for 14.3 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, there are 142.6 rainfall days, and 19.61" (498mm) of precipitation is accumulated.Snowfall
Months with snowfall in Sappho, Washington, are January through April, September and December. April is the last month it regularly snows in Sappho. During 0.3 snowfall days, in April, Sappho aggregates 0.04" (1mm) of snow. Throughout the year, there are 5.1 snowfall days, and 2.17" (55mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 42min.On the first day of April, sunrise is at 6:53 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:29 pm PDT.
Sunshine
In April, the average sunshine is 7.5h.UV index
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 exposure to the Sun's UV radiation for the ordinary person.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Sappho?
What is the average humidity in April in Sappho?
How many days does it rain in April in Sappho?
What is the last month it snows in Sappho?
How many hours of daylight does Sappho have in April?
When is the sunrise / sunset in April in Sappho?
How long on average sun shines in April in Sappho?
What is the UV index reading in April in Sappho?
Average temperature in April
Sappho, WA
- Average high temperature in April: 50.5°F
The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (42.4°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is February (36°F).
Average pressure in April
Sappho, WA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is July (30.07"Hg).
The month with the lowest atmospheric pressure is March (29.98"Hg).
Average wind speed in April
Sappho, WA
- Average wind speed in April: 5.9mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in April
Sappho, WA
- Average humidity in April: 82%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are May, July and August (80%).
Average rainfall in April
Sappho, WA
- Average rainfall in April: 1.26"
The wettest month (with the highest rainfall) is January (3.66").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in April
Sappho, WA
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is August (5.1 days).
Average snowfall in April
Sappho, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, October and November (0").
Average snowfall days in April
Sappho, WA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in April /
Average sunshine in April
Sappho, 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 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Sappho, WA
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is July (23 days).
The month with the least sunshine days is November (11.7 days).
Average UV index in April
Sappho, WA
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Sappho, WA
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Sappho, WA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, October, November and December (6mi).
The months with the lowest visibility are January, May, June, July, August and September (5mi).
Sappho, Washington, USA
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