Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The commencement of May sees a shift in the average high-temperature, moving from a mild 60.4°F (15.8°C) in April to a pleasant 72°F (22.2°C). During May in Fletcher, the average low-temperature is recorded at a mild 55.4°F (13°C).Humidity
In Fletcher, the average relative humidity in May is 77%.Rainfall
May is the month with the most rainfall. Rain falls for 20.1 days and accumulates 4.57" (116mm) of precipitation.Snowfall
In Fletcher, Illinois, snow does not fall in May through September.Daylight
In Fletcher, the average length of the day in May is 14h and 27min.On the first day of the month, sunrise is at 5:52 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:26 am and sunset at 8:19 pm CDT.
Sunshine
The average sunshine in May in Fletcher is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Be vigilant - Preventing sunburn is recommended. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the temperature in May in Fletcher?
What is the average humidity in May in Fletcher?
What is the rainiest month in Fletcher?
How many days does it rain in May in Fletcher?
When it does not snow in Fletcher?
Does it snow in Fletcher in May?
What is the average length of the day in May in Fletcher?
When are sunrise and sunset in May in Fletcher?
How many hours of sunshine does Fletcher have in May?
What is the UV index reading in May in Fletcher?
Average temperature in May
Fletcher, IL
- Average high temperature in May: 72°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in May: 55.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
Fletcher, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Fletcher, IL
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in May
Fletcher, IL
- Average humidity in May: 77%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Fletcher, IL
- Average rainfall in May: 4.57"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is December (1.93").
Average rainfall days in May
Fletcher, IL
- Average rainfall days in May: 20.1 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in May
Fletcher, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Fletcher, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (12.8 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
Fletcher, IL
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Fletcher, IL
- Average sunshine days in May: 8.4 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in May
Fletcher, IL
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Fletcher, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in May
Fletcher, IL
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Fletcher, Illinois, USA
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