April weather forecastHighland, WA
April
Weather in April
April is a refreshing spring month in Highland, Washington, with an average temperature varying between 43.3°F (6.3°C) and 63.1°F (17.3°C).Temperature
April's arrival sees a rise in the average high-temperature, jumping from March's cool 54.1°F (12.3°C) to a comfortable 63.1°F (17.3°C). The average low-temperature, in April, is a chilly 43.3°F (6.3°C).Humidity
The average relative humidity in April in Highland is 54%.Rainfall
In April, the rain falls for 10.1 days. Throughout April, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 102.8 rainfall days, and 7.32" (186mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In April, the average length of the day is 13h and 35min.On the first day of April, sunrise is at 6:34 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:04 pm PDT.
Sunshine
In Highland, the average sunshine in April is 10.2h.UV index
The average daily maximum UV index in April in Highland is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 4 during April, leads to the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Highland, WA
- Average high temperature in April: 63.1°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (38.3°F).
- Average low temperature in April: 43.3°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).
Average pressure in April
Highland, WA
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in April
Highland, WA
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in April
Highland, WA
- Average humidity in April: 54%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (35%).
Average rainfall in April
Highland, WA
- Average rainfall in April: 0.55"
The wettest months (with the highest rainfall) are March and December (0.94").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in April
Highland, WA
- Average rainfall days in April: 10.1 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in April
Highland, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Highland, WA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is December (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Highland, WA
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 10h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in April
Highland, WA
- Average sunshine days in April: 17.9 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (15.4 days).
Average UV index in April
Highland, WA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Highland, WA
- Average cloud cover in April: 33
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in April
Highland, WA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
