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
With the onset of April, Hillsboro observes a minor temperature ascent, with the average high-temperature adjusting from March's cool 52.2°F (11.2°C) to a moderate 58.3°F (14.6°C). In Hillsboro, the average nighttime temperature during April is an icy 39.4°F (4.1°C).Humidity
In April, the average relative humidity is 78%.Rainfall
In April, the rain falls for 18.6 days. Throughout April, 2.64" (67mm) of precipitation is accumulated. Throughout the year, in Hillsboro, there are 173 rainfall days, and 29.49" (749mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In April, the average length of the day is 13h and 34min.On the first day of April in Hillsboro, Oregon, sunrise is at 6:50 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:18 pm PDT.
Sunshine
In Hillsboro, the average sunshine in April is 7h.UV index
In Hillsboro, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the temperature in April in Hillsboro?
What is the average humidity in April in Hillsboro?
How much does it rain in Hillsboro in April?
When it does not snow in Hillsboro?
Does it snow in Hillsboro in April?
How many hours of daylight does Hillsboro have in April?
When is the sunrise / sunset in April in Hillsboro?
How long on average sun shines in April in Hillsboro?
What is the UV index intensity in April in Hillsboro?
Average temperature in April
Hillsboro, OR
- Average high temperature in April: 58.3°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (43.9°F).
- Average low temperature in April: 39.4°F
The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in April
Hillsboro, OR
- Average pressure in April: 30.07"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in April
Hillsboro, OR
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest months (with the lowest average wind speed) are June, August and September (4.3mph).
Average humidity in April
Hillsboro, OR
- Average humidity in April: 78%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is August (64%).
Average rainfall in April
Hillsboro, OR
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is January (4.57").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in April
Hillsboro, OR
- Average rainfall days in April: 18.6 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in April
Hillsboro, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Hillsboro, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.4 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
Hillsboro, OR
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 7h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in April
Hillsboro, OR
- Average sunshine days in April: 9 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (8.5 days).
Average UV index in April
Hillsboro, OR
- 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
Hillsboro, OR
- Average cloud cover in April: 57
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Hillsboro, OR
- Average visibility in April: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January and February (4mi).
Hillsboro, Oregon, USA
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