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
The start of April brings a subtle rise in the average high-temperature, moving from a moderate 59.2°F (15.1°C) in March to an enjoyable 65.1°F (18.4°C). Contrary to the day's heat, an average low-temperature of 42.6°F (5.9°C) is recorded during the nights in April.Humidity
In Asti, the average relative humidity in April is 71%.Rainfall
In Asti, California, during April, the rain falls for 8.8 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Asti, during the entire year, the rain falls for 82.4 days and collects up to 20.75" (527mm) of precipitation.Snowfall
In Asti, snow does not fall in January, March through December.Daylight
The average length of the day in April is 13h and 15min.On the first day of April, sunrise is at 6:55 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:03 pm PDT.
Sunshine
In Asti, the average sunshine in April is 9.8h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 5 in April leads to these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Asti in April?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
How many hours of daylight does Asti have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Asti have in April?
What is the UV index intensity in April?
Average temperature in April
Asti, CA
- Average high temperature in April: 65.1°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (54.9°F).
- Average low temperature in April: 42.6°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).
Average pressure in April
Asti, 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
Asti, CA
- Average wind speed in April: 6.2mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).
Average humidity in April
Asti, CA
- Average humidity in April: 71%
The month with the highest relative humidity is March (77%).
The months with the lowest relative humidity are July and September (57%).
Average rainfall in April
Asti, CA
- Average rainfall in April: 1.1"
The wettest month (with the highest rainfall) is February (4.25").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Asti, CA
- Average rainfall days in April: 8.8 days
The month with the highest number of rainy days is March (14.6 days).
The months with the least rainy days are July and August (1.2 days).
Average snowfall in April
Asti, CA
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.16").
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
Asti, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.2 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
Asti, CA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 9h and 5min
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 24min).
Average sunshine days in April
Asti, CA
- Average sunshine days in April: 19.6 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in April
Asti, CA
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in April
Asti, CA
- Average cloud cover in April: 33
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in April
Asti, CA
- 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).
Asti, California, USA
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