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
Tri-City starts April with an average high-temperature of a moderate 57.4°F (14.1°C), a minor shift from March's 52.7°F (11.5°C). Tri-City logs a notable disparity from the daily highs during April, as the nighttime temperature lowers to an average of 35.4°F (1.9°C).Humidity
The average relative humidity in April is 82%.Rainfall
In April, the rain falls for 10.6 days. Throughout April, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 93.9 rainfall days, and 7.64" (194mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Tri-City, Oregon.Daylight
In Tri-City, Oregon, the average length of the day in April is 13h and 26min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:40 pm. On the last day of April, sunrise is at 6:07 am and sunset at 8:13 pm PDT.
Sunshine
The average sunshine in April is 7.2h.UV index
In April, the average daily maximum UV index 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 average person.Note: The daily high UV index of 3 in April translates into this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the average April temperature in Tri-City?
What is the average humidity in April in Tri-City?
How many days does it rain in April in Tri-City?
When it does not snow in Tri-City?
Does it snow in Tri-City in April?
What is the average length of the day in April in Tri-City?
When are sunrise and sunset in April in Tri-City?
How many hours of sunshine does Tri-City have in April?
What is the UV index intensity in April in Tri-City?
Average temperature in April
Tri-City, OR
- Average high temperature in April: 57.4°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 (45.7°F).
- Average low temperature in April: 35.4°F
The month with the highest average low temperature is August (47.7°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).
Average pressure in April
Tri-City, OR
- Average pressure in April: 30.08"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
Tri-City, OR
- Average wind speed in April: 3.8mph
The windiest month (with the highest average wind speed) is January (4.1mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity in April
Tri-City, OR
- Average humidity in April: 82%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in April
Tri-City, OR
- Average rainfall in April: 0.71"
The wettest months (with the highest rainfall) are January, February and December (1.1").
The driest months (with the least rainfall) are July and August (0.16").
Average rainfall days in April
Tri-City, OR
- Average rainfall days in April: 10.6 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (2.4 days).
Average snowfall in April
Tri-City, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Tri-City, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (1.5 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
Tri-City, OR
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in April
Tri-City, OR
- Average sunshine days in April: 17.2 days
The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is March (16.1 days).
Average UV index in April
Tri-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
Tri-City, OR
- Average cloud cover in April: 57
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Tri-City, OR
- Average visibility in April: 4mi
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).
Tri-City, Oregon, USA
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