May weather forecastNapoleon, IN
May
Weather in May
The last month of the spring, May, is a pleasant month in Napoleon, Indiana, with an average temperature varying between 55.2°F (12.9°C) and 72.5°F (22.5°C).Temperature
May brings an increase in the average high-temperature, progressing from a comfortable 63°F (17.2°C) in April to an agreeable 72.5°F (22.5°C). During the month of May, an average temperature of 55.2°F (12.9°C) is noted during the nights.Humidity
In May, the average relative humidity is 81%.Rainfall
In Napoleon, during May, the rain falls for 20.3 days and regularly aggregates up to 3.86" (98mm) of precipitation. In Napoleon, Indiana, during the entire year, the rain falls for 169.3 days and collects up to 36.18" (919mm) of precipitation.Snowfall
In Napoleon, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 20min.On the first day of the month, sunrise is at 6:41 am and sunset at 8:34 pm. On the last day of May, sunrise is at 6:16 am and sunset at 9:01 pm EDT.
Sunshine
The average sunshine in May in Napoleon is 8.8h.UV index
In Napoleon, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Napoleon, IN
- Average high temperature in May: 72.5°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 55.2°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in May
Napoleon, IN
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Napoleon, IN
- Average wind speed in May: 7.1mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in May
Napoleon, IN
- Average humidity in May: 81%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Napoleon, IN
- Average rainfall in May: 3.86"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in May
Napoleon, IN
- Average rainfall days in May: 20.3 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in May
Napoleon, IN
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Napoleon, IN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.1 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
Napoleon, IN
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Napoleon, IN
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in May
Napoleon, IN
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Napoleon, IN
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Napoleon, IN
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
