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
Noticing a change, the average high-temperature during May moves from April's mild 56.1°F (13.4°C) to an agreeable 68.7°F (20.4°C). Palmer records an average low-temperature of 48.4°F (9.1°C) throughout the month of May.Humidity
In Palmer, the average relative humidity in May is 74%.Rainfall
In May, the rain falls for 15.8 days. Throughout May, 2.52" (64mm) of precipitation is accumulated. In Palmer, during the entire year, the rain falls for 152.1 days and collects up to 29.37" (746mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Palmer, Massachusetts. May is the last month it regularly snows. During 0.1 snowfall days, in May, Palmer aggregates 0.24" (6mm) of snow. In Palmer, during the entire year, snow falls for 33.4 days and aggregates up to 18.43" (468mm) of snow.Daylight
In May, the average length of the day is 14h and 36min.On the first day of the month, sunrise is at 5:43 am and sunset at 7:48 pm. On the last day of May, sunrise is at 5:15 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in May is 8.5h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during May translates into the following guidance:
Take precautions - Protection against sun damage is advised. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Palmer?
What is the average humidity in May?
How many days does it rain in May in Palmer?
What is the last month it snows?
How many hours of daylight does Palmer have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Palmer have in May?
How high is the UV index in May?
Average temperature in May
Palmer, MA
- Average high temperature in May: 68.7°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in May: 48.4°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in May
Palmer, MA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Palmer, MA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Palmer, MA
- Average humidity in May: 74%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
Palmer, MA
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in May
Palmer, MA
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in May
Palmer, MA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Palmer, MA
- Average snowfall days in May: 0.1 days
The months with the highest number of snowfall days are January and February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Palmer, MA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Palmer, MA
- Average sunshine days in May: 13 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in May
Palmer, MA
- 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, March, November and December (UV index 2).
Average cloud cover in May
Palmer, MA
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Palmer, MA
- Average visibility in May: 5mi
The months with the highest visibility are April, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August and September (5mi).
Palmer, Massachusetts, USA
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