May weather forecast
Houston, MS

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Weather in May

The last month of the spring, May, is a moderately hot month in Houston, Mississippi, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 61.9°F (16.6°C).

Temperature

May's arrival coincides with a subtle temperature rise, moving from April's pleasant 72.9°F (22.7°C) to a moderately hot 81.1°F (27.3°C). During May, Houston's temperature averages to a comfortable 61.9°F (16.6°C) at night.

Heat index

May's average heat index is calculated to be a hot 86°F (30°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In May, the average relative humidity is 76%.

Rainfall

In May, the rain falls for 14.6 days. Throughout May, 2.87" (73mm) of precipitation is accumulated. Throughout the year, there are 156.8 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in May is 13h and 56min.
On the first day of the month, sunrise is at 6:06 am and sunset at 7:39 pm. On the last day of May, in Houston, Mississippi, sunrise is at 5:46 am and sunset at 8:01 pm CDT.

Sunshine

In Houston, the average sunshine in May is 9.7h.

UV index

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in May interprets into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The average high-temperature, in May, in Houston, is 81.1°F (27.3°C), while the average low-temperature is 61.9°F (16.6°C). In May, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in May?

In Houston, the average relative humidity in May is 76%.

How many days does it rain in May?

In May, the rain falls for 14.6 days. Throughout May, 2.87" (73mm) of precipitation is accumulated.

When it does not snow?

In Houston, snow does not fall in April through October.

How many hours of daylight does Houston have in May?

The average day length in May is 13h and 56min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:06 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:01 pm CDT.

How many hours of sunshine does Houston have in May?

In May, the average sunshine duration is 9.7h.

How high is the UV index in May in Houston?

In Houston, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
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
Houston, MS

Average temperature in May - Houston, MS
  • Average high temperature in May: 81.1°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in May: 61.9°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).

Average pressure in May
Houston, MS

Average pressure in May - Houston, MS
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in May
Houston, MS

Average wind speed in May - Houston, MS
  • Average wind speed in May: 6.3mph

The windiest months (with the highest average wind speed) are February and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
Houston, MS

Average humidity in May - Houston, MS
  • Average humidity in May: 76%

The months with the highest relative humidity are February, March and December (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Houston, MS

Average rainfall in May - Houston, MS
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is November (1.5").

Average rainfall days in May
Houston, MS

Average rainfall days in May - Houston, MS
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in May
Houston, MS

Average snowfall in May - Houston, MS
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Houston, MS

Average snowfall days in May - Houston, MS
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Houston, MS

Average daylight in May / Average sunshine in May - Houston, MS
  • Average daylight in May: 13h and 5min

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 May: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

Average sunshine days in May
Houston, MS

Average sunshine days in May - Houston, MS
  • Average sunshine days in May: 14.7 days

The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in May
Houston, MS

Average UV index in May - Houston, MS
  • Average UV index in May: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in May
Houston, MS

Average cloud cover in May - Houston, MS
  • Average cloud cover in May: 35

The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 29).

Average visibility in May
Houston, MS

Average visibility in May - Houston, MS
  • 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).

Houston, Mississippi, USA

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