May weather forecast
Lima, PA

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Weather in May

May, the last month of the spring in Lima, is an agreeable month, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 54.5°F (12.5°C).

Temperature

As Lima enters May, the average high-temperature increases from the a comfortable 61.3°F (16.3°C) of April to an agreeable 71.8°F (22.1°C). During May, Lima experiences a consistent low-temperature average of 54.5°F (12.5°C).

Humidity

In Lima, the average relative humidity in May is 76%.

Rainfall

In Lima, during May, the rain falls for 18.5 days and regularly aggregates up to 3.19" (81mm) of precipitation. In Lima, Pennsylvania, during the entire year, the rain falls for 166.6 days and collects up to 35.59" (904mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Lima aggregates 0.12" (3mm) of snow. In Lima, during the entire year, snow falls for 22 days and aggregates up to 11.81" (300mm) of snow.

Daylight

In May, the average length of the day is 14h and 24min.
On the first day of the month, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:23 pm EDT.

Sunshine

In May, the average sunshine in Lima, Pennsylvania, is 8.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

Lima in May has an average high-temperature of 71.8°F (22.1°C) and an average low-temperature of 54.5°F (12.5°C).

What is the average humidity in May?

In Lima, the average relative humidity in May is 76%.

How many days does it rain in May?

In Lima, during May, the rain falls for 18.5 days and regularly aggregates up to 3.19" (81mm) of precipitation.

What is the last month it snows in Lima?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Lima aggregates 0.12" (3mm) of snow.

How many hours of daylight does Lima have in May?

In Lima, the average day length in May is 14h and 24min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:23 pm EDT.

How long on average sun shines in May?

In Lima, the average sunshine duration in May is 8.4h.

When is the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in May?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Lima, PA

Average temperature in May - Lima, PA
  • Average high temperature in May: 71.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in May: 54.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in May
Lima, PA

Average pressure in May - Lima, PA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Lima, PA

Average wind speed in May - Lima, PA
  • Average wind speed in May: 6.7mph

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in May
Lima, PA

Average humidity in May - Lima, PA
  • Average humidity in May: 76%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in May
Lima, PA

Average rainfall in May - Lima, PA
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").

Average rainfall days in May
Lima, PA

Average rainfall days in May - Lima, PA
  • Average rainfall days in May: 18.5 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in May
Lima, PA

Average snowfall in May - Lima, PA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Lima, PA

Average snowfall days in May - Lima, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Lima, PA

Average daylight in May / Average sunshine in May - Lima, PA
  • 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 24min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Lima, PA

Average sunshine days in May - Lima, PA
  • Average sunshine days in May: 10.1 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (10 days).

Average UV index in May
Lima, PA

Average UV index in May - Lima, PA
  • Average UV index in May: 6

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

Average cloud cover in May
Lima, PA

Average cloud cover in May - Lima, PA
  • Average cloud cover in May: 47

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Lima, PA

Average visibility in May - Lima, PA
  • Average visibility in May: 5mi

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

Lima, Pennsylvania, USA

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