April weather forecastOregon City, OR
April
Weather in April
April in Oregon City heralds the full arrival of the spring season as temperatures climb, and the city begins to shake off the residual winter chill. Prolonged daylight hours color the city vibrantly, inviting residents and tourists alike to venture outdoors. The interesting facet about April is the dip in rainfall to 3.23" (82mm) falling over about 18.7 days, ushering in a relatively drier spell. April's weather teems with promise, an indication of the forthcoming summer's heat. The presence of a gentle, warming sun is a constant in the city despite occasional cloudy days.Temperature
The shift from March to April sees a slight increase in the average high-temperature, transitioning from a cool 52.2°F (11.2°C) to a refreshing 58.5°F (14.7°C). In Oregon City, the average nighttime temperature during April is a cold 39.4°F (4.1°C).Humidity
In April, the average relative humidity is 78%.Rainfall
In Oregon City, during April, the rain falls for 18.7 days and regularly aggregates up to 3.23" (82mm) of precipitation. Throughout the year, there are 169.9 rainfall days, and 32.76" (832mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in April is 13h and 33min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:39 pm. On the last day of April, sunrise is at 5:58 am and sunset at 8:16 pm PDT.
Sunshine
In Oregon City, the average sunshine in April is 7.8h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Oregon City, OR
- Average high temperature in April: 58.5°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in April: 39.4°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in April
Oregon City, OR
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
Oregon City, OR
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in April
Oregon City, OR
- Average humidity in April: 78%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (64%).
Average rainfall in April
Oregon City, OR
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is December (5.16").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in April
Oregon City, OR
- Average rainfall days in April: 18.7 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is August (4 days).
Average snowfall in April
Oregon City, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Oregon City, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.3 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
Oregon City, OR
- Average daylight in April: 13h and 36min
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 48min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in April
Oregon City, OR
- Average sunshine days in April: 9.7 days
The month with the most sunshine days is July (26.2 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in April
Oregon City, 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
Oregon City, OR
- Average cloud cover in April: 52
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in April
Oregon City, OR
- Average visibility in April: 5mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
