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
April brings a slight rise in Harvey's average high-temperature, moving from a pleasant 70.7°F (21.5°C) in March to a moderately hot 77°F (25°C). During the month of April, an average low-temperature of 64.2°F (17.9°C) is recorded.Humidity
The average relative humidity in April is 73%.Rainfall
March and April are months with the least rain when the rain falls for 6.7 days and typically aggregates up to 0.43" (11mm) of rain.Snowfall
In Harvey, Louisiana, snow does not fall in February through December.Daylight
In Harvey, the average length of the day in April is 12h and 55min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:19 pm. On the last day of April, sunrise is at 6:17 am and sunset at 7:37 pm CDT.
Sunshine
In April, the average sunshine is 9.9h.UV index
In April, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 6 during April morphs into the following directions:
Guard against overexposure. Protection from sun-induced harm is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Harvey?
What is the average humidity in April?
What is the driest month?
How much does it rain in April?
When it does not snow?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Harvey, LA
- Average high temperature in April: 77°F
The warmest months (with the highest average high temperature) are July and August (89.4°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in April: 64.2°F
The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).
Average pressure in April
Harvey, LA
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in April
Harvey, LA
- Average wind speed in April: 9.8mph
The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in April
Harvey, LA
- Average humidity in April: 73%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Harvey, LA
- Average rainfall in April: 0.43"
The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are March and April (0.43").
Average rainfall days in April
Harvey, LA
- Average rainfall days in April: 6.7 days
The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is November (4.7 days).
Average snowfall days in April
Harvey, LA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in April /
Average sunshine in April
Harvey, LA
- Average daylight in April: 12h and 5min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in April: 9h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in April
Harvey, LA
- Average sunshine days in April: 21.8 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is August (8.9 days).
Average UV index in April
Harvey, LA
- Average UV index in April: 6
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
Harvey, LA
- Average cloud cover in April: 31
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in April
Harvey, LA
- 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).
Harvey, Louisiana, USA
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