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
April's arrival coincides with a subtle temperature rise, moving from March's cool 52.2°F (11.2°C) to a moderate 58.8°F (14.9°C). During April, the average low-temperature is a wintry 38.5°F (3.6°C).Humidity
In Arnold, the average relative humidity in April is 68%.Rainfall
In Arnold, in April, it is raining for 9.2 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 69 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Arnold, during April, snow falls for 3.3 days and regularly aggregates up to 7.56" (192mm) of snow. In Arnold, during the entire year, snow falls for 31 days and aggregates up to 79.92" (2030mm) of snow.Daylight
In Arnold, the average length of the day in April is 13h and 13min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:25 pm. On the last day of April, sunrise is at 6:04 am and sunset at 7:52 pm PDT.
Sunshine
In April, the average sunshine is 10.1h.UV index
In Arnold, California, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, a regular UV index of 4 translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Arnold, CA
- Average high temperature in April: 58.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (48°F).
- Average low temperature in April: 38.5°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is December (32°F).
Average pressure in April
Arnold, 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 (29.91"Hg).
Average wind speed in April
Arnold, CA
- Average wind speed in April: 5.6mph
The windiest month (with the highest average wind speed) is February (6.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Arnold, CA
- Average humidity in April: 68%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (36%).
Average rainfall in April
Arnold, CA
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is March (5.98").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in April
Arnold, CA
- Average rainfall days in April: 9.2 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (1.6 days).
Average snowfall in April
Arnold, CA
- Average snowfall in April: 7.56"
The month with the highest snowfall is March (21.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Arnold, CA
- Average snowfall days in April: 3.3 days
The month with the highest number of snowfall days is March (7.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Arnold, 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 36min).
- Average sunshine in April: 10h and 1min
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 0min).
Average sunshine days in April
Arnold, CA
- Average sunshine days in April: 17.3 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is March (14.5 days).
Average UV index in April
Arnold, CA
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in April
Arnold, CA
- Average cloud cover in April: 28
The month with the most cloud cover is March (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in April
Arnold, 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).
Arnold, California, USA
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