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 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
The transition into April in Norwalk notes an average high-temperature of a still agreeable 71.1°F (21.7°C), revealing a mild distinction from the 68°F (20°C) in March. An average low-temperature of 54.1°F (12.3°C) marks the nights in Norwalk throughout April.Humidity
The average relative humidity in April is 60%.Rainfall
In Norwalk, in April, during 4.8 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, there are 49.5 rainfall days, and 7.05" (179mm) of precipitation is accumulated.Daylight
In April, the average length of the day in Norwalk, California, is 13h and 4min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:13 pm. On the last day of April, in Norwalk, sunrise is at 6:03 am and sunset at 7:35 pm PDT.
Sunshine
In Norwalk, the average sunshine in April is 11h.UV index
The average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 5 in April suggests the following recommendations:
Take precautions - Protection against sun damage is advised. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the temperature in April in Norwalk?
What is the average humidity in April in Norwalk?
How much does it rain in Norwalk in April?
What is the average length of the day in April in Norwalk?
When are sunrise and sunset in April in Norwalk?
How many hours of sunshine does Norwalk have in April?
What is the UV index reading in April in Norwalk?
Average temperature in April
Norwalk, CA
- Average high temperature in April: 71.1°F
The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (64.6°F).
- Average low temperature in April: 54.1°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).
Average pressure in April
Norwalk, CA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in April
Norwalk, CA
- Average wind speed in April: 6.1mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.7mph).
Average humidity in April
Norwalk, CA
- Average humidity in April: 60%
The month with the highest relative humidity is June (66%).
The month with the lowest relative humidity is November (51%).
Average rainfall in April
Norwalk, CA
- Average rainfall in April: 0.43"
The wettest month (with the highest rainfall) is December (1.46").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in April
Norwalk, CA
- Average rainfall days in April: 4.8 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.2 days).
Average daylight in April /
Average sunshine in April
Norwalk, CA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 11h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in April
Norwalk, CA
- Average sunshine days in April: 23.8 days
The months with the most sunshine days are January and August (25.6 days).
The month with the least sunshine days is February (21.1 days).
Average UV index in April
Norwalk, CA
- Average UV index in April: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are February, November and December (UV index 4).
Average cloud cover in April
Norwalk, CA
- Average cloud cover in April: 19
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in April
Norwalk, 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).
Norwalk, California, USA
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