May weather forecast
Napoleon, AL

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Weather in May

The last month of the spring, May, is another warm month in Napoleon, Alabama, with an average temperature varying between 60.4°F (15.8°C) and 81.1°F (27.3°C).

Temperature

The arrival of May brings a soft temperature shift, with the average high-temperature nudging from a moderately hot 73.4°F (23°C) in April to a still warm 81.1°F (27.3°C). Napoleon's temperature drops to an average low of 60.4°F (15.8°C) during the nights of May.

Heat index

May's average heat index is estimated at a hot 86°F (30°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In May, the average relative humidity in Napoleon is 74%.

Rainfall

In Napoleon, in May, it is raining for 16.3 days, with typically 2.91" (74mm) of accumulated precipitation. In Napoleon, during the entire year, the rain falls for 181.7 days and collects up to 39.06" (992mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In May, the average length of the day is 13h and 54min.
On the first day of the month, sunrise is at 5:52 am and sunset at 7:24 pm. On the last day of May, sunrise is at 5:32 am and sunset at 7:45 pm CDT.

Sunshine

In May, the average sunshine is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 during May translates into the following directions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

What are the temperatures in May?

In May, in Napoleon, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 60.4°F (15.8°C). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in May?

In Napoleon, the average relative humidity in May is 74%.

How much does it rain in Napoleon in May?

In Napoleon, in May, during 16.3 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

When it does not snow?

In Napoleon, snow does not fall in April through November.

How many hours of daylight does Napoleon have in May?

In Napoleon, the average day length in May is 13h and 54min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:52 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 7:45 pm CDT.

How many hours of sunshine does Napoleon have in May?

In Napoleon, the average sunshine duration in May is 10.1h.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

How high is the UV index in May?

In May, the average daily maximum UV index in Napoleon is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Napoleon, AL

Average temperature in May - Napoleon, AL
  • Average high temperature in May: 81.1°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (52°F).

  • Average low temperature in May: 60.4°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

Average pressure in May
Napoleon, AL

Average pressure in May - Napoleon, AL
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in May
Napoleon, AL

Average wind speed in May - Napoleon, AL
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

Average humidity in May
Napoleon, AL

Average humidity in May - Napoleon, AL
  • Average humidity in May: 74%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Napoleon, AL

Average rainfall in May - Napoleon, AL
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is October (1.93").

Average rainfall days in May
Napoleon, AL

Average rainfall days in May - Napoleon, AL
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in May
Napoleon, AL

Average snowfall in May - Napoleon, AL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Napoleon, AL

Average snowfall days in May - Napoleon, AL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Napoleon, AL

Average daylight in May / Average sunshine in May - Napoleon, AL
  • 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 months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).

Average sunshine days in May
Napoleon, AL

Average sunshine days in May - Napoleon, AL
  • Average sunshine days in May: 13.1 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (7.5 days).

Average UV index in May
Napoleon, AL

Average UV index in May - Napoleon, AL
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in May
Napoleon, AL

Average cloud cover in May - Napoleon, AL
  • Average cloud cover in May: 33

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in May
Napoleon, AL

Average visibility in May - Napoleon, AL
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

Napoleon, Alabama, USA

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