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
Williamston experiences a temperature shift with the start of May, with average high-temperatures moving from a cool 54.1°F (12.3°C) in April to a refreshing 66.6°F (19.2°C). Throughout the month of May, Williamston sees a steady low-temperature average of 48.6°F (9.2°C).Humidity
In Williamston, Michigan, the average relative humidity in May is 80%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 2.99" (76mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Williamston aggregates 0.08" (2mm) of snow. Throughout the year, there are 66.3 snowfall days, and 19.17" (487mm) of snow is accumulated.Daylight
In Williamston, the average length of the day in May is 14h and 39min.On the first day of the month, sunrise is at 6:30 am and sunset at 8:37 pm. On the last day of May, in Williamston, sunrise is at 6:01 am and sunset at 9:08 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Williamston. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the usual temperature for Williamston in May?
What is the average humidity in May in Williamston?
What is the wettest month in Williamston?
How many days does it rain in May in Williamston?
What is the last month it snows in Williamston?
How many hours of daylight does Williamston have in May?
When are sunrise and sunset in May in Williamston?
How long on average sun shines in May in Williamston?
What are the months with the highest UV index in Williamston?
What is the UV index intensity in May in Williamston?
Average temperature in May
Williamston, MI
- Average high temperature in May: 66.6°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in May: 48.6°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in May
Williamston, MI
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Williamston, MI
- Average wind speed in May: 8.4mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in May
Williamston, MI
- Average humidity in May: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Williamston, MI
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is December (1.42").
Average rainfall days in May
Williamston, MI
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in May
Williamston, MI
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Williamston, MI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Williamston, MI
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in May
Williamston, MI
- Average sunshine days in May: 10.7 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in May
Williamston, MI
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Williamston, MI
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Williamston, MI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, October and November (6mi).
The months with the lowest visibility are January, February, August, September and December (5mi).
Williamston, Michigan, USA
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