April weather forecastHavana, TX
April
Weather in April
April in Havana, Texas, is a tropical spring month, with an average temperature fluctuating between 67.8°F (19.9°C) and 89.1°F (31.7°C).Temperature
In Havana, the average high-temperature in April slightly rises, from a warm 82.2°F (27.9°C) in March, to a hot 89.1°F (31.7°C). During the month of April, Havana anticipates a mean low-temperature of 67.8°F (19.9°C).Heat index
April's heat index is evaluated at a very hot 98.6°F (37°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.In reference to the heat index, it's for places in shade and with a slight wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
In Havana, the average relative humidity in April is 62%.Rainfall
In Havana, during April, the rain falls for 6.9 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, there are 89.8 rainfall days, and 9.13" (232mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
In Havana, Texas, the average length of the day in April is 12h and 48min.On the first day of April, sunrise is at 7:24 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 8:05 pm CDT.
Sunshine
The average sunshine in April is 8.4h.UV index
In Havana, the average daily maximum UV index in April is 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the average maximum UV index of 7 translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Havana, TX
- Average high temperature in April: 89.1°F
The warmest month (with the highest average high temperature) is August (99.1°F).
The month with the lowest average high temperature is January (69.6°F).
- Average low temperature in April: 67.8°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (53.2°F).
Average pressure in April
Havana, TX
- Average pressure in April: 29.88"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed in April
Havana, TX
- Average wind speed in April: 12.7mph
The windiest months (with the highest average wind speed) are May and July (13.4mph).
The calmest months (with the lowest average wind speed) are January and December (9.6mph).
Average humidity in April
Havana, TX
- Average humidity in April: 62%
The month with the highest relative humidity is December (67%).
The month with the lowest relative humidity is August (56%).
Average rainfall in April
Havana, TX
- Average rainfall in April: 0.43"
The wettest month (with the highest rainfall) is September (1.69").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in April
Havana, TX
- Average rainfall days in April: 6.9 days
The month with the highest number of rainy days is September (14.2 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in April
Havana, TX
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Havana, TX
- 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
Havana, TX
- Average daylight in April: 12h and 48min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in April
Havana, TX
- Average sunshine days in April: 21.8 days
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is September (13.5 days).
Average UV index in April
Havana, TX
- Average UV index in April: 7
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in April
Havana, TX
- Average cloud cover in April: 33
The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in April
Havana, 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).
