May weather forecastZimmerman, AL
May
Weather in May
May, the last month of the spring in Zimmerman, is also a moderately hot month, with an average temperature ranging between min 62.2°F (16.8°C) and max 83.8°F (28.8°C).Temperature
The onset of May introduces a subtle rise in the average high-temperature, nudging from 76.1°F (24.5°C) in April to a still moderately hot 83.8°F (28.8°C). Despite a noticeable differential from daytime highs, Zimmerman notes an average nighttime low-temperature of 62.2°F (16.8°C) in May.Heat index
In May, the average heat index is calculated to be a tropical 91.4°F (33°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In May, the average relative humidity in Zimmerman is 72%.Rainfall
In Zimmerman, during May, the rain falls for 13.8 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Zimmerman, during the entire year, the rain falls for 167.4 days and collects up to 36.93" (938mm) of precipitation.Snowfall
March through October are months without snowfall.Daylight
In May, the average length of the day is 13h and 51min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:31 pm. On the last day of May, sunrise is at 5:42 am and sunset at 7:51 pm CDT.
Sunshine
In Zimmerman, the average sunshine in May is 10.1h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 6 during May leads to these instructions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Zimmerman, AL
- Average high temperature in May: 83.8°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (53.8°F).
- Average low temperature in May: 62.2°F
The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in May
Zimmerman, AL
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in May
Zimmerman, AL
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Zimmerman, AL
- Average humidity in May: 72%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Zimmerman, AL
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is April (3.94").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Zimmerman, AL
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in May
Zimmerman, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.39").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in May
Zimmerman, AL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.1 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
Zimmerman, AL
- Average daylight in May: 13h and 48min
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 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in May
Zimmerman, AL
- Average sunshine days in May: 15.6 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in May
Zimmerman, AL
- 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
Zimmerman, AL
- Average cloud cover in May: 33
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are September and October (Cloud cover 29).
Average visibility in May
Zimmerman, AL
- 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).





