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
May sees a rise in the average high-temperature, climbing from a mild 58.6°F (14.8°C) in April to a pleasant 70.3°F (21.3°C). Lewistown observes an average low-temperature of 53.4°F (11.9°C) during May nights.Humidity
In May, the average relative humidity in Lewistown is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 20.1 days and accumulates 4.02" (102mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Lewistown aggregates 0.04" (1mm) of snow. In Lewistown, during the entire year, snow falls for 47.4 days and aggregates up to 15.63" (397mm) of snow.Daylight
In Lewistown, the average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 6:33 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:59 pm EDT.
Sunshine
The average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 5 in May suggests the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lewistown in May?
What is the average humidity in May?
What is the rainiest month?
How many days does it rain in May in Lewistown?
What is the last month it snows in Lewistown?
What is the average length of the day in May in Lewistown?
When are sunrise and sunset in May?
How long on average sun shines in May in Lewistown?
What is the UV index reading in May?
Average temperature in May
Lewistown, OH
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in May: 53.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Lewistown, OH
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Lewistown, OH
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Lewistown, OH
- Average humidity in May: 79%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Lewistown, OH
- Average rainfall in May: 4.02"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in May
Lewistown, OH
- 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 January (8.3 days).
Average snowfall in May
Lewistown, OH
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lewistown, OH
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lewistown, OH
- Average daylight in May: 14h and 2min
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 July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Lewistown, OH
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in May
Lewistown, OH
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Lewistown, OH
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Lewistown, OH
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Lewistown, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location