May weather forecast
Lancaster, OH

Weather in May

May, the last month of the spring, in Lancaster, is an agreeable month, with average temperature fluctuating between 72.1°F (22.3°C) and 53.4°F (11.9°C).

Temperature

In Lancaster, the average high-temperature increases, from a comfortable 61.5°F (16.4°C) in April, to a pleasant 72.1°F (22.3°C). The average low-temperature,, is 53.4°F (11.9°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

The month with the most rainfall in Lancaster is May when the rain falls for 17.6 days and typically aggregates up to 2.32" (59mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Lancaster, the average length of the day in May is 14.4h.

Sunshine

In May, the average sunshine in Lancaster, Ohio, is 9h.

UV index

In Lancaster, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Lancaster?

In May, the average relative humidity is 79%.

What is the rainiest month in Lancaster?

The month with the most rainfall is May when the rain falls for 17.6 days and typically aggregates up to 2.32" (59mm) of precipitation.

How many days does it rain in May in Lancaster?

In Lancaster, in May, during 17.6 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow in Lancaster?

In Lancaster snow does not fall in May through September.

Does it snow in Lancaster in May?

In May, in Lancaster, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Lancaster have in May?

The average length of the day in May in Lancaster is 14.4h.

How long on average sun shines in May in Lancaster?

In Lancaster, Ohio, the average sunshine in May is 9h.

How high is the UV index in May in Lancaster?

The average daily maximum UV index in May in Lancaster is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in May
Lancaster, OH

Average temperature in May - Lancaster, OH
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in May: 53.4°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure in May
Lancaster, OH

Average pressure in May - Lancaster, OH
  • Average pressure in May: 29.99"

Months with the highest atmospheric pressure are January and November (30.14").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in May
Lancaster, OH

Average wind speed in May - Lancaster, OH
  • Average wind speed in May: 6.9mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in May
Lancaster, OH

Average humidity in May - Lancaster, OH
  • Average humidity in May: 79%

Months with the highest relative humidity are January and February (83%).
Months with the lowest relative humidity are April and November (76%).

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Average rainfall in May
Lancaster, OH

Average rainfall in May - Lancaster, OH
  • Average rainfall in May: 2.32"

The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is September (1.22").

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Average rainfall days in May
Lancaster, OH

Average rainfall days in May - Lancaster, OH
  • Average rainfall days in May: 17.6 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall in May
Lancaster, OH

Average snowfall in May - Lancaster, OH
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.24").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Lancaster, OH

Average snowfall days in May - Lancaster, OH
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (12.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Lancaster, OH

Average daylight in May / Average sunshine in May - Lancaster, OH
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 9h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 3.6h).

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Average sunshine days in May
Lancaster, OH

Average sunshine days in May - Lancaster, OH
  • Average sunshine days in May: 11 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in May
Lancaster, OH

Average UV index in May - Lancaster, OH
  • Average UV index in May: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Lancaster, OH

Average cloud cover in May - Lancaster, OH
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in May
Lancaster, OH

Average visibility in May - Lancaster, OH
  • Average visibility in May: 6mi

Months with the highest visibility are February, March, April, May, June, August, October, November and December (6mi).
Months with the lowest visibility are January, July and September (5mi).

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