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
Lewiston's weather in May is characterized by a distinct rise in the average high-temperature, escalating from a frosty 48.4°F (9.1°C) in April to a comfortable 64.6°F (18.1°C). During May, an average low-temperature of 43.9°F (6.6°C) is observed in Lewiston.Humidity
May is the least humid month, with an average relative humidity of 70%.Rainfall
May is the month with the most rainfall in Lewiston. Rain falls for 14.4 days and accumulates 2.76" (70mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Lewiston. May is the last month it regularly snows. During 1.1 snowfall days, in May, Lewiston aggregates 0.28" (7mm) of snow. In Lewiston, during the entire year, snow falls for 109.2 days and aggregates up to 47.09" (1196mm) of snow.Daylight
The average length of the day in May in Lewiston is 14h and 52min.On the first day of the month, sunrise is at 6:25 am and sunset at 8:43 pm. On the last day of May, sunrise is at 5:54 am and sunset at 9:15 pm EDT.
Sunshine
In Lewiston, Michigan, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 in May translates into this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the temperature in May in Lewiston?
What is the least humid month in Lewiston?
What is the average humidity in May in Lewiston?
What is the wettest month in Lewiston?
How many days does it rain in May in Lewiston?
What is the last month it snows in Lewiston?
How many hours of daylight does Lewiston have in May?
When are sunrise and sunset in May in Lewiston?
How many hours of sunshine does Lewiston have in May?
What is the UV index reading in May in Lewiston?
Average temperature in May
Lewiston, MI
- Average high temperature in May: 64.6°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in May: 43.9°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure in May
Lewiston, MI
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Lewiston, MI
- Average wind speed in May: 7.2mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in May
Lewiston, MI
- Average humidity in May: 70%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in May
Lewiston, MI
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in May
Lewiston, MI
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is October (17.5 days).
The months with the least rainy days are January and February (5 days).
Average snowfall in May
Lewiston, MI
- Average snowfall in May: 0.28"
The month with the highest snowfall is January (10.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lewiston, MI
- Average snowfall days in May: 1.1 days
The month with the highest number of snowfall days is January (24.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lewiston, MI
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in May
Lewiston, MI
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (5.4 days).
Average UV index in May
Lewiston, MI
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
Lewiston, MI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Lewiston, MI
- Average visibility in May: 6mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Lewiston, Michigan, USA
Weather forecast for your location
2. Allow the app to use your location
