April weather forecastDiamond, OR
April
Weather in April
April in Diamond, Oregon, is a cool spring month, with an average temperature varying between 35.6°F (2°C) and 52.9°F (11.6°C).Temperature
Observing a minor shift, the average high-temperature during April adjusts from March's frosty 45.3°F (7.4°C) to a cool 52.9°F (11.6°C). An average temperature of 35.6°F (2°C) is recorded during the nights in April.Humidity
In April, the average relative humidity is 58%.Rainfall
The months with the most rainfall are April and May, with an average 0.67" (17mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Diamond, in April, snow falls for 1.9 days, with typically accumulated 0.47" (12mm) of snow. Throughout the year, there are 34.8 snowfall days, and 9.69" (246mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 26min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:21 pm. On the last day of April, sunrise is at 5:48 am and sunset at 7:55 pm PDT.
Sunshine
In April, the average sunshine is 10.4h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Diamond, OR
- Average high temperature in April: 52.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (33.3°F).
- Average low temperature in April: 35.6°F
The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is December (22.5°F).
Average pressure in April
Diamond, OR
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in April
Diamond, OR
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Diamond, OR
- Average humidity in April: 58%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in April
Diamond, OR
- Average rainfall in April: 0.67"
The wettest months (with the highest rainfall) are April and May (0.67").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in April
Diamond, OR
- Average rainfall days in April: 9.6 days
The month with the highest number of rainy days is April (9.6 days).
The month with the least rainy days is July (4 days).
Average snowfall in April
Diamond, OR
- Average snowfall in April: 0.47"
The month with the highest snowfall is December (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Diamond, OR
- Average snowfall days in April: 1.9 days
The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Diamond, OR
- Average daylight in April: 13h and 24min
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: 10h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in April
Diamond, OR
- Average sunshine days in April: 18.3 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (17.8 days).
Average UV index in April
Diamond, OR
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Diamond, OR
- Average cloud cover in April: 32
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in April
Diamond, OR
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
