May weather forecast
Lake Jackson, TX

Share

Weather in May

The last month of the spring, May, is also a moderately hot month in Lake Jackson, Texas, with an average temperature ranging between min 71.4°F (21.9°C) and max 82.9°F (28.3°C).

Temperature

May brings a slight elevation in the average high-temperature, transitioning from April's warm 76.6°F (24.8°C) to a still moderately hot 82.9°F (28.3°C). Lake Jackson experiences an average low-temperature reading of 71.4°F (21.9°C) throughout May.

Heat index

The heat index value during May is calculated to be a hot 91.4°F (33°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

In Lake Jackson, the average relative humidity in May is 78%.

Rainfall

In Lake Jackson, in May, it is raining for 13.8 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, there are 175.9 rainfall days, and 30.28" (769mm) of precipitation is accumulated.

Snowfall

February through November are months without snowfall.

Daylight

In Lake Jackson, the average length of the day in May is 13h and 37min.
On the first day of May, sunrise is at 6:39 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:15 pm CDT.

Sunshine

In May, the average sunshine is 9.7h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 7 in May suggests the following recommendations:
Deflect overexposure. Sun protection is a necessity. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

How hot is May?

In Lake Jackson, in May, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 71.4°F (21.9°C). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in May is calculated to be 91.4°F (33°C).

What is the average humidity in May?

In May, the average relative humidity is 78%.

How many days does it rain in May?

In Lake Jackson, in May, during 13.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

When it does not snow?

February through November are months without snowfall.

How many hours of daylight does Lake Jackson have in May?

In Lake Jackson, the average day length in May is 13h and 37min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:39 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:15 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 9.7h.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 7, are months with the highest UV index.

How high is the UV index in May?

In May, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Lake Jackson, TX

Average temperature in May - Lake Jackson, TX
  • Average high temperature in May: 82.9°F

The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (61.7°F).

  • Average low temperature in May: 71.4°F

The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (49.1°F).

Average pressure in May
Lake Jackson, TX

Average pressure in May - Lake Jackson, TX
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Lake Jackson, TX

Average wind speed in May - Lake Jackson, TX
  • Average wind speed in May: 9.7mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).

Average humidity in May
Lake Jackson, TX

Average humidity in May - Lake Jackson, TX
  • Average humidity in May: 78%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Lake Jackson, TX

Average rainfall in May - Lake Jackson, TX
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is September (3.98").
The driest month (with the least rainfall) is March (1.34").

Average rainfall days in May
Lake Jackson, TX

Average rainfall days in May - Lake Jackson, TX
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is September (19.4 days).
The month with the least rainy days is November (11.9 days).

Average snowfall in May
Lake Jackson, TX

Average snowfall in May - Lake Jackson, TX
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Lake Jackson, TX

Average snowfall days in May - Lake Jackson, TX
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in May /
Average sunshine in May
Lake Jackson, TX

Average daylight in May / Average sunshine in May - Lake Jackson, TX
  • Average daylight in May: 13h and 4min

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 May: 9h and 4min

The months with the most sunshine are June and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in May
Lake Jackson, TX

Average sunshine days in May - Lake Jackson, TX
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (7.6 days).

Average UV index in May
Lake Jackson, TX

Average UV index in May - Lake Jackson, TX
  • Average UV index in May: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in May
Lake Jackson, TX

Average cloud cover in May - Lake Jackson, TX
  • Average cloud cover in May: 35

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in May
Lake Jackson, TX

Average visibility in May - Lake Jackson, TX
  • Average visibility in May: 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).

Lake Jackson, Texas, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location