April weather forecastNicasio, CA
April
Weather in April
April in Nicasio, California, is a refreshing spring month, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 64°F (17.8°C).Temperature
Nicasio's weather, upon April's arrival, documents an average high-temperature of an enjoyable 64°F (17.8°C), nearly identical to the prior month. Nicasio experiences an average nighttime temperature of 47.1°F (8.4°C) in the month of April.Humidity
In April, the average relative humidity in Nicasio is 73%.Rainfall
In Nicasio, in April, it is raining for 6.7 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, in Nicasio, there are 68.4 rainfall days, and 7.28" (185mm) of precipitation is accumulated.Daylight
In Nicasio, the average length of the day in April is 13h and 13min.On the first day of April in Nicasio, sunrise is at 6:54 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:01 pm PDT.
Sunshine
In April, the average sunshine is 10.1h.UV index
In April, the average daily maximum UV index in Nicasio is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 5 in April translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Nicasio, CA
- Average high temperature in April: 64°F
The warmest month (with the highest average high temperature) is September (75.4°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in April: 47.1°F
The month with the highest average low temperature is September (55.8°F).
The coldest month (with the lowest average low temperature) is December (43.9°F).
Average pressure in April
Nicasio, 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
Nicasio, CA
- Average wind speed in April: 7.1mph
The windiest month (with the highest average wind speed) is May (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.1mph).
Average humidity in April
Nicasio, CA
- Average humidity in April: 73%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (66%).
Average rainfall in April
Nicasio, CA
- Average rainfall in April: 0.35"
The wettest month (with the highest rainfall) is February (1.65").
The driest months (with the least rainfall) are July, August and September (0.08").
Average rainfall days in April
Nicasio, CA
- Average rainfall days in April: 6.7 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (2 days).
Average daylight in April /
Average sunshine in April
Nicasio, 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 6min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in April
Nicasio, CA
- Average sunshine days in April: 21.7 days
The month with the most sunshine days is October (24.9 days).
The month with the least sunshine days is March (18.5 days).
Average UV index in April
Nicasio, CA
- Average UV index in April: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Nicasio, CA
- Average cloud cover in April: 29
The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 14).
Average visibility in April
Nicasio, 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).
