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 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
Thornton, California, perceives a slight temperature ascent during April, with average high-temperatures adjusting from an enjoyable 63.5°F (17.5°C) in March to an agreeable 69.8°F (21°C). Thornton's April nights bring a significant temperature shift, averaging at a chilly 46.2°F (7.9°C).Humidity
In April, the average relative humidity in Thornton is 68%.Rainfall
In Thornton, in April, it is raining for 7.8 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, in Thornton, there are 63.8 rainfall days, and 12.6" (320mm) of precipitation is accumulated.Snowfall
January through November are months without snowfall.Daylight
The average length of the day in April is 13h and 13min.On the first day of April, sunrise is at 6:49 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:56 pm PDT.
Sunshine
The average sunshine in April in Thornton, California, is 10.2h.UV index
In Thornton, California, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 5 in April leads to these guidelines:
Take precautions - Protection against sunburn is recommended. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What are the temperatures in Thornton in April?
What is the average humidity in April in Thornton?
How much does it rain in Thornton in April?
When it does not snow in Thornton?
How many hours of daylight does Thornton have in April?
When are sunrise and sunset in April in Thornton?
How many hours of sunshine does Thornton have in April?
How high is the UV index in April in Thornton?
Average temperature in April
Thornton, CA
- Average high temperature in April: 69.8°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in April: 46.2°F
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure in April
Thornton, CA
- Average pressure in April: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Thornton, CA
- Average wind speed in April: 5.5mph
The windiest months (with the highest average wind speed) are February and June (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).
Average humidity in April
Thornton, 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 (45%).
Average rainfall in April
Thornton, CA
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is February (2.4").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Thornton, CA
- Average rainfall days in April: 7.8 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is June (0.9 days).
Average snowfall days in April
Thornton, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Thornton, 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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in April
Thornton, CA
- Average sunshine days in April: 21.7 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (17.8 days).
Average UV index in April
Thornton, CA
- Average UV index in April: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Thornton, CA
- Average cloud cover in April: 27
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in April
Thornton, 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).
Thornton, California, USA
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