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
As April takes hold, the average high-temperature is a moderate 57.4°F (14.1°C), nearly mirroring that of the previous month. The average low-temperature of 35.4°F (1.9°C) in April in Riddle represents a significant drop from the daily high.Humidity
In April, the average relative humidity is 82%.Rainfall
In Riddle, in April, it is raining for 10.6 days, with typically 0.71" (18mm) of accumulated precipitation. In Riddle, during the entire year, the rain falls for 93.9 days and collects up to 7.64" (194mm) of precipitation.Snowfall
In Riddle, snow does not fall in April through October.Daylight
In April, the average length of the day in Riddle, Oregon, is 13h and 26min.On the first day of April, sunrise is at 6:53 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:13 pm PDT.
Sunshine
The average sunshine in April in Riddle is 7.2h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during April translates into the following guidance:
Make use of precautions - Shielding skin and eyes from injury is a requirement. To protect against the Sun's most potent rays, avoid direct exposure around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow in Riddle?
Does it snow in April?
How many hours of daylight does Riddle have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Riddle, 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
Riddle, 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
Riddle, 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
Riddle, 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
Riddle, 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
Riddle, 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
Riddle, 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
Riddle, 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
Riddle, 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
Riddle, 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
Riddle, 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
Riddle, 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
Riddle, 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).
Riddle, Oregon, USA
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