April weather forecastUkiah, CA
April
Weather in April
April is a comfortable spring month in Ukiah, California, with an average temperature ranging between min 41°F (5°C) and max 63.1°F (17.3°C).Temperature
Observing a minor shift, the average high-temperature during April adjusts from March's 57.6°F (14.2°C) to a still refreshing 63.1°F (17.3°C). In April, the nighttime temperature plummets remarkably from the daily apex to a steady average of 41°F (5°C).Humidity
In Ukiah, the average relative humidity in April is 73%.Rainfall
In Ukiah, during April, the rain falls for 8.6 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, there are 83.3 rainfall days, and 17.72" (450mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
In Ukiah, the average length of the day in April is 13h and 16min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:37 pm. On the last day of April, sunrise is at 6:14 am and sunset at 8:05 pm PDT.
Sunshine
In April, the average sunshine is 9.6h.UV index
The average daily maximum UV index in April is 4. 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: In April, a daily maximum UV index of 4 leads to the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Ukiah, CA
- Average high temperature in April: 63.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in April: 41°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).
Average pressure in April
Ukiah, CA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in April
Ukiah, CA
- Average wind speed in April: 5.5mph
The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in April
Ukiah, CA
- Average humidity in April: 73%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and September (58%).
Average rainfall in April
Ukiah, CA
- Average rainfall in April: 1.02"
The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in April
Ukiah, CA
- Average rainfall days in April: 8.6 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in April
Ukiah, CA
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Ukiah, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in April /
Average sunshine in April
Ukiah, CA
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 9h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in April
Ukiah, CA
- Average sunshine days in April: 19.8 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).
Average UV index in April
Ukiah, CA
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 2).
Average cloud cover in April
Ukiah, CA
- Average cloud cover in April: 35
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in April
Ukiah, CA
- Average visibility in April: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).
