April weather forecastIndianola, WA
April
Weather in April
April is a mild spring month in Indianola, Washington, with an average temperature fluctuating between 55.9°F (13.3°C) and 42.4°F (5.8°C).Temperature
April's arrival signals a subtle increase in average high-temperatures, moving from March's fresh 50.5°F (10.3°C) to a moderate 55.9°F (13.3°C). In the month of April, an average of 42.4°F (5.8°C) marks the low-temperature.Humidity
The average relative humidity in April is 78%.Rainfall
In Indianola, in April, it is raining for 10.6 days, with typically 0.63" (16mm) of accumulated precipitation. In Indianola, during the entire year, the rain falls for 106.5 days and collects up to 9.09" (231mm) of precipitation.Snowfall
In Indianola, snow does not fall in April through October.Daylight
In Indianola, the average length of the day in April is 13h and 41min.On the first day of April, sunrise is at 6:46 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:21 pm PDT.
Sunshine
In Indianola, the average sunshine in April is 8.4h.UV index
The average daily maximum UV index in April in Indianola, Washington, is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 4 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Indianola, WA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is August (73.8°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (36.7°F).
Average pressure in April
Indianola, WA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in April
Indianola, WA
- Average wind speed in April: 5.7mph
The windiest months (with the highest average wind speed) are March and November (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in April
Indianola, WA
- Average humidity in April: 78%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Indianola, WA
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is January (1.57").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in April
Indianola, WA
- Average rainfall days in April: 10.6 days
The month with the highest number of rainy days is March (12.2 days).
The month with the least rainy days is August (3.6 days).
Average snowfall in April
Indianola, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Indianola, WA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Indianola, WA
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in April
Indianola, WA
- Average sunshine days in April: 16.7 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is November (15.5 days).
Average UV index in April
Indianola, WA
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Indianola, WA
- Average cloud cover in April: 47
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
Indianola, WA
- 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).
