April weather forecastPasadena, TX
April
Weather in April
Paying its tribute to spring, April presents a noticeable escalation in warmer temperatures in Pasadena. The prevalence of blue skies and sunshine grows, with over 8.6 hours of sunshine heralding brighter days ahead. Alongside slightly reduced cloud cover, the relaxed wind speed enriches the mildness of the weather. However, rainfall increases to 2.6" (66mm), serving as a reminder of spring's transient nature. May follows with increased warmth, becoming a herald of the approaching summer.Temperature
April introduces a minor temperature shift, with average high-temperatures adjusting from March's pleasant 71.1°F (21.7°C) to a moderately hot 77.7°F (25.4°C). During the April nights, an average temperature of 63°F (17.2°C) is observed.Humidity
In April, the average relative humidity is 75%.Rainfall
In Pasadena, in April, during 14.7 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 190.8 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.Snowfall
February through November are months without snowfall.Daylight
In April, the average length of the day is 12h and 55min.On the first day of the month, sunrise is at 7:09 am and sunset at 7:39 pm. On the last day of April, sunrise is at 6:38 am and sunset at 7:57 pm CDT.
Sunshine
In April, the average sunshine is 8.6h.UV index
In April, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 6 in April leads to these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Pasadena, TX
- Average high temperature in April: 77.7°F
The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (60.6°F).
- Average low temperature in April: 63°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in April
Pasadena, TX
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Pasadena, TX
- Average wind speed in April: 9.2mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest months (with the lowest average wind speed) are August and September (6.5mph).
Average humidity in April
Pasadena, TX
- Average humidity in April: 75%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in April
Pasadena, TX
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is September (5.94").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in April
Pasadena, TX
- Average rainfall days in April: 14.7 days
The months with the highest number of rainy days are August and September (21.3 days).
The month with the least rainy days is January (12.3 days).
Average snowfall in April
Pasadena, TX
- Average snowfall in April: 0"
The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Pasadena, TX
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Pasadena, TX
- Average daylight in April: 12h and 54min
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: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in April
Pasadena, TX
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is January (16.4 days).
The months with the least sunshine days are August and September (6.9 days).
Average UV index in April
Pasadena, TX
- Average UV index in April: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in April
Pasadena, TX
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in April
Pasadena, TX
- 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).





