May weather forecast
Calliham, TX

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Weather in May

The last month of the spring, May, is a hot month in Calliham, Texas, with an average temperature fluctuating between 69.6°F (20.9°C) and 88.3°F (31.3°C).

Temperature

May brings a slight rise in Calliham's average high-temperature, moving from a moderately hot 82.4°F (28°C) in April to a tropical 88.3°F (31.3°C). In May, Calliham reports a consistent average low-temperature of 69.6°F (20.9°C) during the nights.

Heat index

For May, the heat index is appraised at a very hot 102.2°F (39°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
In terms of the heat index, values are set with light wind and shade conditions in mind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are largely significant for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

March and May, with an average relative humidity of 71%, are the most humid months.

Rainfall

In May, in Calliham, the rain falls for 9.7 days. Throughout May, 1.26" (32mm) of precipitation is accumulated. In Calliham, during the entire year, the rain falls for 96.8 days and collects up to 10" (254mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

In May, the average length of the day is 13h and 35min.
On the first day of May in Calliham, sunrise is at 6:51 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 8:26 pm CDT.

Sunshine

In May, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: In May, the maximum UV index of 7 suggests these recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect 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.
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Frequently asked questions

How hot is May in Calliham?

The high-temperature, in May, in Calliham, is 88.3°F (31.3°C), while the low-temperature averages to 69.6°F (20.9°C). In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 102.2°F (39°C).

What is the most humid month in Calliham?

March and May, with an average relative humidity of 71%, are most humid months in Calliham, Texas.

What is the average humidity in May in Calliham?

The average relative humidity in May in Calliham, Texas, is 71%.

How many days does it rain in May in Calliham?

In Calliham, in May, during 9.7 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

When it does not snow in Calliham?

February through December are months without snowfall in Calliham.

What is the average length of the day in May in Calliham?

The average day length in May in Calliham, Texas, is 13h and 35min.

What time are sunrise and sunset in May in Calliham?

On the first day of May in Calliham, sunrise is at 6:51 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 8:26 pm CDT.

How long on average sun shines in May in Calliham?

In May, the average sunshine duration in Calliham, Texas, is 8.7h.

What is the UV index reading in May in Calliham?

The average daily maximum UV index in May in Calliham, Texas, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Calliham, TX

Average temperature in May - Calliham, TX
  • Average high temperature in May: 88.3°F

The warmest month (with the highest average high temperature) is August (98.2°F).
The month with the lowest average high temperature is January (64.2°F).

  • Average low temperature in May: 69.6°F

The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).

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Average pressure in May
Calliham, TX

Average pressure in May - Calliham, TX
  • Average pressure in May: 29.88"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).

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Average wind speed in May
Calliham, TX

Average wind speed in May - Calliham, TX
  • Average wind speed in May: 10.9mph

The windiest month (with the highest average wind speed) is May (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.8mph).

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Average humidity in May
Calliham, TX

Average humidity in May - Calliham, TX
  • Average humidity in May: 71%

The months with the highest relative humidity are March and May (71%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in May
Calliham, TX

Average rainfall in May - Calliham, TX
  • Average rainfall in May: 1.26"

The wettest month (with the highest rainfall) is September (1.42").
The driest month (with the least rainfall) is February (0.28").

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Average rainfall days in May
Calliham, TX

Average rainfall days in May - Calliham, TX
  • Average rainfall days in May: 9.7 days

The month with the highest number of rainy days is September (13.2 days).
The month with the least rainy days is January (6 days).

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Average snowfall in May
Calliham, TX

Average snowfall in May - Calliham, 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
Calliham, TX

Average snowfall days in May - Calliham, 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 March, April, May, June, July, August, September, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in May
Calliham, TX

Average sunshine days in May - Calliham, TX
  • Average sunshine days in May: 20.3 days

The month with the most sunshine days is January (23 days).
The month with the least sunshine days is September (14.5 days).

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Average UV index in May
Calliham, TX

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

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in May
Calliham, TX

Average cloud cover in May - Calliham, TX
  • Average cloud cover in May: 41

The months with the most cloud cover are March and December (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in May
Calliham, TX

Average visibility in May - Calliham, 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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Calliham, Texas, USA

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