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
April introduces a marginal temperature uplift, with average high-temperatures adjusting from March's fresh 52.9°F (11.6°C) to a mild 58.5°F (14.7°C). During April, an average low-temperature of 38.5°F (3.6°C) is observed.Humidity
In April, the average relative humidity in Jefferson is 82%.Rainfall
In Jefferson, in April, it is raining for 18.3 days, with typically 2.6" (66mm) of accumulated precipitation. In Jefferson, Oregon, during the entire year, the rain falls for 164.2 days and collects up to 26.97" (685mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in April is 13h and 31min.On the first day of April, sunrise is at 6:51 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:16 pm PDT.
Sunshine
In Jefferson, Oregon, the average sunshine in April is 7.2h.UV index
The average daily maximum UV index in April in Jefferson is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What is the temperature in April in Jefferson?
What is the average humidity in April in Jefferson?
How much does it rain in Jefferson in April?
When it does not snow in Jefferson?
Does it snow in Jefferson in April?
What is the average length of the day in April in Jefferson?
What time are sunrise and sunset in April in Jefferson?
How long on average sun shines in April in Jefferson?
How high is the UV index in April in Jefferson?
Average temperature in April
Jefferson, OR
- Average high temperature in April: 58.5°F
The warmest month (with the highest average high temperature) is August (81.9°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in April: 38.5°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).
Average pressure in April
Jefferson, 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
Jefferson, OR
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in April
Jefferson, OR
- Average humidity in April: 82%
The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is August (66%).
Average rainfall in April
Jefferson, OR
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in April
Jefferson, OR
- Average rainfall days in April: 18.3 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in April
Jefferson, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Jefferson, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (1.9 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
Jefferson, OR
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 7h and 1min
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 6min).
Average sunshine days in April
Jefferson, OR
- Average sunshine days in April: 10.1 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (9 days).
Average UV index in April
Jefferson, 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
Jefferson, OR
- Average cloud cover in April: 55
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in April
Jefferson, OR
- Average visibility in April: 5mi
The months with the highest visibility are July, August and September (6mi).
The month with the lowest visibility is February (4mi).
Jefferson, Oregon, USA
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