April weather forecastGraham, WA
April
Weather in April
April in Graham, Washington, is a moderate spring month, with an average temperature fluctuating between 38.3°F (3.5°C) and 55.9°F (13.3°C).Temperature
April introduces a marginal temperature uplift, with average high-temperatures adjusting from March's cool 50.4°F (10.2°C) to a refreshing 55.9°F (13.3°C). Throughout the nights in April, Graham experiences an average low-temperature of 38.3°F (3.5°C).Humidity
In April, the average relative humidity is 80%.Rainfall
In Graham, Washington, in April, during 17.6 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, there are 172.9 rainfall days, and 32.28" (820mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Graham aggregates 0.04" (1mm) of snow. In Graham, Washington, during the entire year, snow falls for 10.3 days and aggregates up to 5.94" (151mm) of snow.Daylight
The average length of the day in April is 13h and 38min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:39 pm. On the last day of April, sunrise is at 5:53 am and sunset at 8:19 pm PDT.
Sunshine
In Graham, the average sunshine in April is 7.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In April, a daily UV index of 3 turns into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Graham, WA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in April: 38.3°F
The month with the highest average low temperature is August (51.3°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in April
Graham, WA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in April
Graham, WA
- Average wind speed in April: 4.6mph
The windiest months (with the highest average wind speed) are January and March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in April
Graham, WA
- Average humidity in April: 80%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in April
Graham, WA
- Average rainfall in April: 2.52"
The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in April
Graham, WA
- Average rainfall days in April: 17.6 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in April
Graham, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Graham, WA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (4.1 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
Graham, WA
- Average daylight in April: 13h and 36min
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: 7h and 42min
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 6min).
Average sunshine days in April
Graham, WA
- Average sunshine days in April: 10.1 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is November (9.3 days).
Average UV index in April
Graham, 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, October, November and December (UV index 2).
Average cloud cover in April
Graham, WA
- Average cloud cover in April: 53
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Graham, WA
- Average visibility in April: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January and February (4mi).
