Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
A soft shift in the average high-temperature is noticeable in May, transitioning from a warm 78.1°F (25.6°C) in April to a still moderately hot 84.9°F (29.4°C). An average low-temperature of 63.7°F (17.6°C) marks the nights throughout May.Heat index
Throughout May, the heat index is evaluated at a hot 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.For clarity, heat index numbers account for light winds and areas under shade. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
May is the most humid month, with an average relative humidity of 61%.Rainfall
The month with the most rainfall is May, when the rain falls for 11.9 days and typically aggregates up to 2.36" (60mm) of precipitation.Snowfall
In Fort Griffin, snow does not fall in April through October.Daylight
In Fort Griffin, the average length of the day in May is 13h and 52min.On the first day of May, sunrise is at 6:48 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:40 pm CDT.
Sunshine
In May, the average sunshine is 10.1h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health 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:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in May?
What is the most humid month?
What is the average humidity in May?
What is the rainiest month in Fort Griffin?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Fort Griffin have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Fort Griffin, TX
- Average high temperature in May: 84.9°F
The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is December (56.1°F).
- Average low temperature in May: 63.7°F
The months with the highest average low temperature are July and August (75.2°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in May
Fort Griffin, TX
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Fort Griffin, TX
- Average wind speed in May: 11.7mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is September (8.8mph).
Average humidity in May
Fort Griffin, TX
- Average humidity in May: 61%
The month with the highest relative humidity is May (61%).
The month with the lowest relative humidity is August (48%).
Average rainfall in May
Fort Griffin, TX
- Average rainfall in May: 2.36"
The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are January and February (0.87").
Average rainfall days in May
Fort Griffin, TX
- Average rainfall days in May: 11.9 days
The month with the highest number of rainy days is September (12.1 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in May
Fort Griffin, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Fort Griffin, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.7 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
Fort Griffin, TX
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in May
Fort Griffin, TX
- Average sunshine days in May: 16.6 days
The month with the most sunshine days is January (25 days).
The month with the least sunshine days is September (15.5 days).
Average UV index in May
Fort Griffin, 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 2).
Average cloud cover in May
Fort Griffin, TX
- Average cloud cover in May: 26
The month with the most cloud cover is March (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Fort Griffin, 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).
Fort Griffin, Texas, USA
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