May weather forecastFairfield, PA
May
Weather in May
The last month of the spring, May, is an agreeable month in Fairfield, Pennsylvania, with an average temperature fluctuating between 51.8°F (11°C) and 71.1°F (21.7°C).Temperature
The transition to May introduces an increase in the average high-temperature, shifting from a comfortable 61.2°F (16.2°C) in April to an agreeable 71.1°F (21.7°C). Throughout the month of May, Fairfield sees a steady low-temperature average of 51.8°F (11°C).Humidity
The months with the highest humidity in Fairfield are February, May and October, with an average relative humidity of 80%.Rainfall
The month with the most rainfall is May, when the rain falls for 14.9 days and typically aggregates up to 1.26" (32mm) of precipitation.Snowfall
In Fairfield, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 23min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:04 pm. On the last day of May, sunrise is at 5:43 am and sunset at 8:31 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
The average daily maximum UV index in May in Fairfield is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fairfield, PA
- Average high temperature in May: 71.1°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in May: 51.8°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 (22.6°F).
Average pressure in May
Fairfield, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Fairfield, PA
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Fairfield, PA
- Average humidity in May: 80%
The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is July (75%).
Average rainfall in May
Fairfield, PA
- Average rainfall in May: 1.26"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in May
Fairfield, PA
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in May
Fairfield, PA
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Fairfield, PA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Fairfield, PA
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 24min
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 30min).
Average sunshine days in May
Fairfield, PA
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in May
Fairfield, PA
- Average UV index in May: 5
The months with the highest UV index are 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
Fairfield, PA
- Average cloud cover in May: 47
The months with the most cloud cover are January and February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Fairfield, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, May, August, September and October (5mi).
