May weather forecast
Bay City, TX

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Weather in May

The last month of the spring, May, is also a moderately hot month in Bay City, Texas, with an average temperature ranging between min 69.6°F (20.9°C) and max 84.2°F (29°C).

Temperature

The shift into May brings a slight increase in the average high-temperature, moving from a warm 78.4°F (25.8°C) in April to a still moderately hot 84.2°F (29°C). Bay City records an average nighttime low of 69.6°F (20.9°C) in May.

Heat index

In May, the heat index is computed to be a tropical 93.2°F (34°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

In Bay City, the average relative humidity in May is 78%.

Rainfall

In Bay City, in May, it is raining for 13.8 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, there are 167.5 rainfall days, and 29.41" (747mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Bay City, Texas.

Daylight

In Bay City, the average length of the day in May is 13h and 37min.
On the first day of May, sunrise is at 6:41 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:17 pm CDT.

Sunshine

In May, the average sunshine in Bay City is 9.2h.

UV index

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 in May translates into these instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

How hot does it get in Bay City in May?

May temperatures in Bay City vary between a high-temperature of 84.2°F (29°C) and a low-temperature of 69.6°F (20.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in May is computed to be 93.2°F (34°C).

What is the average humidity in May in Bay City?

In May, the average relative humidity is 78%.

How much does it rain in Bay City in May?

In Bay City, in May, during 13.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When it does not snow in Bay City?

In Bay City, snow does not fall in February through December.

How many hours of daylight does Bay City have in May?

The average day length in May is 13h and 37min.

When is the sunrise / sunset in May in Bay City?

On the first day of May, sunrise is at 6:41 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:17 pm CDT.

How long on average sun shines in May in Bay City?

In May, the average sunshine duration in Bay City is 9.2h.

How high is the UV index in May in Bay City?

The average daily maximum UV index in May in Bay City is 6. A UV Index estimate of 6 to 7 represents a high health risk from 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
Bay City, TX

Average temperature in May - Bay City, TX
  • Average high temperature in May: 84.2°F

The warmest month (with the highest average high temperature) is August (92.5°F).
The month with the lowest average high temperature is January (61.9°F).

  • Average low temperature in May: 69.6°F

The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).

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Average pressure in May
Bay City, TX

Average pressure in May - Bay City, TX
  • Average pressure in May: 29.94"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).

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Average wind speed in May
Bay City, TX

Average wind speed in May - Bay City, TX
  • Average wind speed in May: 9.1mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is September (6.5mph).

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Average humidity in May
Bay City, TX

Average humidity in May - Bay City, TX
  • Average humidity in May: 78%

The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in May
Bay City, TX

Average rainfall in May - Bay City, TX
  • Average rainfall in May: 2.64"

The wettest month (with the highest rainfall) is September (3.94").
The driest month (with the least rainfall) is February (1.34").

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Average rainfall days in May
Bay City, TX

Average rainfall days in May - Bay City, TX
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is September (18.7 days).
The month with the least rainy days is January (11.9 days).

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Average snowfall in May
Bay City, TX

Average snowfall in May - Bay City, TX
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Bay City, TX

Average snowfall days in May - Bay City, TX
  • Average snowfall days in May: 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).

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Average daylight in May /
Average sunshine in May
Bay City, TX

Average daylight in May / Average sunshine in May - Bay City, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).

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Average sunshine days in May
Bay City, TX

Average sunshine days in May - Bay City, TX
  • Average sunshine days in May: 14.7 days

The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (9.5 days).

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Average UV index in May
Bay City, TX

Average UV index in May - Bay City, TX
  • Average UV index in May: 6

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

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Average cloud cover in May
Bay City, TX

Average cloud cover in May - Bay City, TX
  • Average cloud cover in May: 40

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in May
Bay City, TX

Average visibility in May - Bay City, 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).

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Bay City, Texas, USA

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