May weather forecastFairfield, TX

May

Weather in May

The last month of the spring, May, is another warm month in Fairfield, Texas, with an average temperature varying between 64°F (17.8°C) and 82.2°F (27.9°C).

Temperature

The onset of May introduces a subtle rise in the average high-temperature, nudging from a warm 75.4°F (24.1°C) in April to a still moderately hot 82.2°F (27.9°C). Fairfield observes an average low-temperature of 64°F (17.8°C) during May.

Heat index

The heat index value during May is evaluated at a hot 89.6°F (32°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

The most humid month in Fairfield is May, with an average relative humidity of 78%.

Rainfall

The month with the most rainfall in Fairfield is May, when the rain falls for 11.9 days and typically aggregates up to 2.36" (60mm) of precipitation.

Snowfall

April through December are months without snowfall.

Daylight

The average length of the day in May in Fairfield is 13h and 47min.
On the first day of the month, sunrise is at 6:38 am and sunset at 8:05 pm. On the last day of May, sunrise is at 6:20 am and sunset at 8:24 pm CDT.

Sunshine

In May, the average sunshine is 8.8h.

UV index

In Fairfield, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, the maximum UV index of 6 translates into these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In May, in Fairfield, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in May is evaluated at 89.6°F (32°C).

With an average relative humidity of 78%, May is the most humid month in Fairfield, Texas.

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

May is the month with the most rainfall. Rain falls for 11.9 days and accumulates 2.36" (60mm) of precipitation.

In Fairfield, Texas, in May, during 11.9 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

In Fairfield, snow does not fall in April through December.

In May, the average day length is 13h and 47min.

In May, on the first day of the month, sunrise is at 6:38 am and sunset at 8:05 pm. On the last day of the month, in Fairfield, sunrise is at 6:20 am and sunset at 8:24 pm CDT.

In May, the average sunshine duration is 8.8h.

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

75.4°F

82.2°F

89.6°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.4mph

8.3mph

7.4mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

11.7

11.9

10.8

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

15.3

15.9

15.4

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Fairfield, TX

Average high temperature in May: 82.2°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 (55.9°F).

Average low temperature in May: 64°F

The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).

Average pressure in May
Fairfield, 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 (29.92"Hg).

Average wind speed in May
Fairfield, TX

Average wind speed in May: 7.7mph

The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).

Average humidity in May
Fairfield, TX

Average humidity in May: 78%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (63%).

Average rainfall in May
Fairfield, TX

Average rainfall in May: 2.36"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in May
Fairfield, TX

Average rainfall days in May: 11.9 days

The month with the highest number of rainy days is September (13.8 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in May
Fairfield, TX

Average snowfall in May: 0"

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

Average snowfall days in May
Fairfield, TX

Average snowfall days in May: 0 days

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

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

Average daylight in May: 13h and 48min

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 48min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in May
Fairfield, TX

Average sunshine days in May: 15.9 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is September (13.7 days).

Average UV index in May
Fairfield, TX

Average UV index in May: 6

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

Average cloud cover in May
Fairfield, TX

Average cloud cover in May: 39

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in May
Fairfield, 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).