April weather forecastRoss, CA
April
Weather in April
April is an enjoyable spring month in Ross, California, with an average temperature ranging between min 48.6°F (9.2°C) and max 62.8°F (17.1°C).Temperature
The arrival of April is marked by an average high-temperature of an enjoyable 62.8°F (17.1°C), bearing a close resemblance to March. Throughout April, Ross anticipates an average low-temperature of 48.6°F (9.2°C).Humidity
In Ross, the average relative humidity in April is 74%.Rainfall
In April, in Ross, the rain falls for 5.5 days. Throughout April, 0.2" (5mm) of precipitation is accumulated. Throughout the year, in Ross, California, there are 48 rainfall days, and 3.94" (100mm) of precipitation is accumulated.Daylight
In April, the average length of the day is 13h and 13min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:33 pm. On the last day of April, in Ross, sunrise is at 6:14 am and sunset at 8:00 pm PDT.
Sunshine
The average sunshine in April is 10h.UV index
April, June through September, with an average maximum UV index of 5, are months with the highest UV index in Ross. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 5 in April suggests the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Ross, CA
- Average high temperature in April: 62.8°F
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in April: 48.6°F
The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).
Average pressure in April
Ross, 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
Ross, CA
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).
Average humidity in April
Ross, CA
- Average humidity in April: 74%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
Ross, CA
- Average rainfall in April: 0.2"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in April
Ross, CA
- Average rainfall days in April: 5.5 days
The month with the highest number of rainy days is March (8.8 days).
The months with the least rainy days are June and August (1.2 days).
Average daylight in April /
Average sunshine in April
Ross, CA
- Average daylight in April: 13h and 12min
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 36min).
- Average sunshine in April: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in April
Ross, CA
- Average sunshine days in April: 23.3 days
The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).
Average UV index in April
Ross, CA
- Average UV index in April: 5
The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Ross, CA
- Average cloud cover in April: 30
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility in April
Ross, 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).





