April weather forecastNewcastle, CA
April
Weather in April
April is a comfortable spring month in Newcastle, California, with an average temperature varying between 65.8°F (18.8°C) and 45.1°F (7.3°C).Temperature
Newcastle's April weather indicates a minor ascent in high-temperatures, adjusting from a refreshing 58.8°F (14.9°C) in March to a comfortable 65.8°F (18.8°C). In April, the temperature in Newcastle drops to an average of 45.1°F (7.3°C) at night.Humidity
In Newcastle, the average relative humidity in April is 68%.Rainfall
In Newcastle, California, in April, during 10.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 84.8 rainfall days, and 28.86" (733mm) of precipitation is accumulated.Snowfall
In Newcastle, snow does not fall in January, April through November.Daylight
The average length of the day in April is 13h and 15min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:28 pm. On the last day of April, in Newcastle, sunrise is at 6:06 am and sunset at 7:56 pm PDT.
Sunshine
In Newcastle, the average sunshine in April is 9.9h.UV index
In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 during April leads to these advisories:
Undertake precautions - It is suggested to shield oneself from sunburn. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Newcastle, CA
- Average high temperature in April: 65.8°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in April: 45.1°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (39.2°F).
Average pressure in April
Newcastle, CA
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Newcastle, CA
- Average wind speed in April: 5.4mph
The windiest months (with the highest average wind speed) are February and March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in April
Newcastle, CA
- Average humidity in April: 68%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (38%).
Average rainfall in April
Newcastle, CA
- Average rainfall in April: 2.2"
The wettest month (with the highest rainfall) is March (5.63").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Newcastle, CA
- Average rainfall days in April: 10.8 days
The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is July (1 days).
Average snowfall in April
Newcastle, CA
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Newcastle, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Newcastle, CA
- Average daylight in April: 13h and 18min
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 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in April
Newcastle, CA
- Average sunshine days in April: 17.6 days
The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in April
Newcastle, 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
Newcastle, CA
- Average cloud cover in April: 30
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in April
Newcastle, 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).
