April weather forecastGustine, CA
April
Weather in April
April in Gustine, California, is a pleasant spring month, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 47.8°F (8.8°C).Temperature
The beginning of April marks a minor shift in the average high-temperature, moving from March's enjoyable 65.8°F (18.8°C) to an agreeable 72.1°F (22.3°C). Nighttime temperatures throughout April in Gustine register a significant deviation from the day's highs, averaging at a frosty 47.8°F (8.8°C).Humidity
In Gustine, the average relative humidity in April is 59%.Rainfall
In Gustine, in April, during 4.8 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. In Gustine, during the entire year, the rain falls for 39 days and collects up to 3.35" (85mm) of precipitation.Daylight
The average length of the day in April is 13h and 11min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:27 pm. On the last day of April, sunrise is at 6:09 am and sunset at 7:53 pm PDT.
Sunshine
In Gustine, the average sunshine in April is 10.8h.UV index
In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 in April translates into this advice:
Guard yourself - Avoiding sunburn is suggested. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Gustine, CA
- Average high temperature in April: 72.1°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in April: 47.8°F
The months with the highest average low temperature are July and August (61.9°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure in April
Gustine, CA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Gustine, CA
- Average wind speed in April: 6.5mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in April
Gustine, CA
- Average humidity in April: 59%
The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is July (38%).
Average rainfall in April
Gustine, CA
- Average rainfall in April: 0.24"
The wettest month (with the highest rainfall) is December (0.83").
The driest months (with the least rainfall) are June, August and September (0.04").
Average rainfall days in April
Gustine, CA
- Average rainfall days in April: 4.8 days
The month with the highest number of rainy days is March (6.6 days).
The month with the least rainy days is June (0.7 days).
Average daylight in April /
Average sunshine in April
Gustine, CA
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 10h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in April
Gustine, CA
- Average sunshine days in April: 25.3 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (22.3 days).
Average UV index in April
Gustine, CA
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Gustine, CA
- Average cloud cover in April: 22
The months with the most cloud cover are March and December (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility in April
Gustine, 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).





