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
As May arrives, a slight rise in the average high-temperature is observed, moving from a chilly 46.8°F (8.2°C) in April to a fresh 54.3°F (12.4°C). Eastham, in May, logs an average low-temperature of 49.8°F (9.9°C), a subtle step down from daytime readings.Humidity
In Eastham, the average relative humidity in May is 84%.Rainfall
In Eastham, during May, the rain falls for 14.3 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Eastham, during the entire year, the rain falls for 136.1 days and collects up to 17.24" (438mm) of precipitation.Snowfall
In Eastham, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 34min.On the first day of the month, sunrise is at 5:35 am and sunset at 7:38 pm. On the last day of May, sunrise is at 5:07 am and sunset at 8:08 pm EDT.
Sunshine
In Eastham, the average sunshine in May is 8.4h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Eastham have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Eastham have in May?
What is the UV index intensity in May?
Average temperature in May
Eastham, MA
- Average high temperature in May: 54.3°F
The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in May: 49.8°F
The month with the highest average low temperature is August (67.6°F).
The coldest months (with the lowest average low temperature) are January and February (31.6°F).
Average pressure in May
Eastham, MA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Eastham, MA
- Average wind speed in May: 13.2mph
The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest months (with the lowest average wind speed) are July and August (11.6mph).
Average humidity in May
Eastham, MA
- Average humidity in May: 84%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).
Average rainfall in May
Eastham, MA
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is October (2.17").
The driest months (with the least rainfall) are February and November (1.18").
Average rainfall days in May
Eastham, MA
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in May
Eastham, MA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Eastham, MA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.1 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
Eastham, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in May
Eastham, MA
- Average sunshine days in May: 15 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is December (13.1 days).
Average UV index in May
Eastham, MA
- Average UV index in May: 4
The months with the highest UV index are 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
Eastham, MA
- Average cloud cover in May: 45
The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Eastham, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Eastham, Massachusetts, USA
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