May weather forecast
Sweetwater, TX

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Weather in May

May, the last month of the spring in Sweetwater, is another warm month, with an average temperature ranging between min 64°F (17.8°C) and max 85.8°F (29.9°C).

Temperature

As April gives way to May, the average high-temperature displays a slight ascent, adjusting from 79.7°F (26.5°C) to a still warm 85.8°F (29.9°C). Sweetwater experiences a drastic reduction from day temperatures to an average low of 64°F (17.8°C) in May.

Heat index

The heat index value for May is computed to be a tropical 87.8°F (31°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. 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 primarily vital for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In May, the average relative humidity in Sweetwater is 52%.

Rainfall

In Sweetwater, in May, it is raining for 11.5 days, with typically 1.89" (48mm) of accumulated precipitation. In Sweetwater, during the entire year, the rain falls for 90.7 days and collects up to 14.57" (370mm) of precipitation.

Snowfall

In Sweetwater, snow does not fall in May through September.

Daylight

In Sweetwater, the average length of the day in May is 13h and 50min.
On the first day of May, sunrise is at 6:54 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:43 pm CDT.

Sunshine

The average sunshine in May is 10.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 7 during May leads to these instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is May?

May temperatures vary between a high-temperature of 85.8°F (29.9°C) and a low-temperature of 64°F (17.8°C). In May, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the average humidity in May?

In Sweetwater, the average relative humidity in May is 52%.

How much does it rain in May?

In Sweetwater, in May, during 11.5 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

When it does not snow?

In Sweetwater, snow does not fall in May through September.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Sweetwater have in May?

In May, the average day length is 13h and 50min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:54 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:43 pm CDT.

How long on average sun shines in May?

In Sweetwater, the average sunshine duration in May is 10.4h.

When is the highest UV index?

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

How high is the UV index in May?

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

Average temperature in May - Sweetwater, TX
  • Average high temperature in May: 85.8°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is December (55.9°F).

  • Average low temperature in May: 64°F

The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).

Average pressure in May
Sweetwater, TX

Average pressure in May - Sweetwater, TX
  • Average pressure in May: 29.86"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in May
Sweetwater, TX

Average wind speed in May - Sweetwater, TX
  • Average wind speed in May: 13.9mph

The windiest month (with the highest average wind speed) is April (14.6mph).
The calmest month (with the lowest average wind speed) is September (10.5mph).

Average humidity in May
Sweetwater, TX

Average humidity in May - Sweetwater, TX
  • Average humidity in May: 52%

The month with the highest relative humidity is September (57%).
The month with the lowest relative humidity is August (45%).

Average rainfall in May
Sweetwater, TX

Average rainfall in May - Sweetwater, TX
  • Average rainfall in May: 1.89"

The wettest month (with the highest rainfall) is September (2.17").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in May
Sweetwater, TX

Average rainfall days in May - Sweetwater, TX
  • Average rainfall days in May: 11.5 days

The months with the highest number of rainy days are May and September (11.5 days).
The month with the least rainy days is January (3.5 days).

Average snowfall in May
Sweetwater, TX

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

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Sweetwater, TX

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

The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Sweetwater, 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 6min).

  • Average sunshine in May: 10h and 2min

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 30min).

Average sunshine days in May
Sweetwater, TX

Average sunshine days in May - Sweetwater, TX
  • Average sunshine days in May: 17.2 days

The month with the most sunshine days is January (25.8 days).
The month with the least sunshine days is September (15.6 days).

Average UV index in May
Sweetwater, TX

Average UV index in May - Sweetwater, 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 3).

Average cloud cover in May
Sweetwater, TX

Average cloud cover in May - Sweetwater, TX
  • Average cloud cover in May: 24

The months with the most cloud cover are March, September and December (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in May
Sweetwater, TX

Average visibility in May - Sweetwater, 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).

Sweetwater, Texas, USA

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