May weather forecast
Grapeland, TX

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Weather in May

The last month of the spring, May, is another warm month in Grapeland, Texas, with an average temperature ranging between max 84.9°F (29.4°C) and min 64°F (17.8°C).

Temperature

The arrival of May brings a soft temperature shift, with the average high-temperature nudging from 77.4°F (25.2°C) in April to a still warm 84.9°F (29.4°C). Grapeland anticipates an average minimum temperature of 64°F (17.8°C) in the month of May.

Heat index

During May, the heat index is calculated to be a sweltering 95°F (35°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and 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 hold particular importance for 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.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

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

Rainfall

In Grapeland, during May, the rain falls for 14.4 days and regularly aggregates up to 3.98" (101mm) of precipitation. In Grapeland, during the entire year, the rain falls for 157.9 days and collects up to 36.06" (916mm) of precipitation.

Snowfall

In Grapeland, snow does not fall in March through December.

Daylight

The average length of the day in May is 13h and 46min.
On the first day of the month, sunrise is at 6:35 am and sunset at 8:01 pm. On the last day of May, sunrise is at 6:17 am and sunset at 8:21 pm CDT.

Sunshine

In Grapeland, the average sunshine in May is 8.4h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index in Grapeland. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 7 in May translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

Is it hot in Grapeland during May?

May temperatures in Grapeland vary between a high-temperature of 84.9°F (29.4°C) and a low-temperature of 64°F (17.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in May is calculated to be 95°F (35°C).

What is the average humidity in May in Grapeland?

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

How much does it rain in Grapeland in May?

In Grapeland, in May, during 14.4 rainfall days, 3.98" (101mm) of precipitation is typically accumulated.

When it does not snow in Grapeland?

March through December are months without snowfall in Grapeland.

How many hours of daylight does Grapeland have in May?

The average day length in May in Grapeland is 13h and 46min.

When are sunrise and sunset in May in Grapeland?

In May, on the first day of the month, sunrise is at 6:35 am and sunset at 8:01 pm. On the last day of the month, in Grapeland, Texas, sunrise is at 6:17 am and sunset at 8:21 pm CDT.

How many hours of sunshine does Grapeland have in May?

The average sunshine duration in May in Grapeland is 8.4h.

When is the highest UV index in Grapeland?

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

What is the UV index intensity in May in Grapeland?

In Grapeland, Texas, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to 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
Grapeland, TX

Average temperature in May - Grapeland, TX
  • Average high temperature in May: 84.9°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (56.3°F).

  • Average low temperature in May: 64°F

The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

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Average pressure in May
Grapeland, TX

Average pressure in May - Grapeland, TX
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Grapeland, TX

Average wind speed in May - Grapeland, TX
  • Average wind speed in May: 6.7mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).

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Average humidity in May
Grapeland, TX

Average humidity in May - Grapeland, TX
  • Average humidity in May: 76%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (67%).

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Average rainfall in May
Grapeland, TX

Average rainfall in May - Grapeland, TX
  • Average rainfall in May: 3.98"

The wettest month (with the highest rainfall) is October (4.29").
The driest month (with the least rainfall) is November (2.05").

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Average rainfall days in May
Grapeland, TX

Average rainfall days in May - Grapeland, TX
  • Average rainfall days in May: 14.4 days

The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is January (11 days).

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Average snowfall in May
Grapeland, TX

Average snowfall in May - Grapeland, TX
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Grapeland, TX

Average snowfall days in May - Grapeland, TX
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Grapeland, TX

Average daylight in May / Average sunshine in May - Grapeland, TX
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in May
Grapeland, TX

Average sunshine days in May - Grapeland, TX
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is October (18 days).
The month with the least sunshine days is February (12.4 days).

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Average UV index in May
Grapeland, TX

Average UV index in May - Grapeland, TX
  • Average UV index in May: 7

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 and December (UV index 3).

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Average cloud cover in May
Grapeland, TX

Average cloud cover in May - Grapeland, TX
  • Average cloud cover in May: 43

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in May
Grapeland, TX

Average visibility in May - Grapeland, TX
  • Average visibility in May: 5mi

The months with the highest visibility are January, August, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July and September (5mi).

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Grapeland, Texas, USA

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