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
South Wellfleet's transition into May brings a slight rise in the average high-temperature, moving from a frosty 46.8°F (8.2°C) in April to a fresh 54.3°F (12.4°C). An average low-temperature of 49.8°F (9.9°C) is witnessed throughout the month of May in South Wellfleet, a mere drop from the daytime peak.Humidity
In South Wellfleet, the average relative humidity in May is 84%.Rainfall
In May, the rain falls for 14.3 days. Throughout May, 1.42" (36mm) of precipitation is accumulated. In South Wellfleet, during the entire year, the rain falls for 136.1 days and collects up to 17.24" (438mm) of precipitation.Snowfall
May through October are months without snowfall in South Wellfleet.Daylight
In South Wellfleet, Massachusetts, the average length of the day in May is 14h and 34min.On the first day of May in South Wellfleet, sunrise is at 5:34 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 8:08 pm EDT.
Sunshine
In May, the average sunshine in South Wellfleet, Massachusetts, is 8.4h.UV index
The average daily maximum UV index in May in South Wellfleet is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In May, a daily UV index of 4 turns into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What is the average May temperature in South Wellfleet?
What is the average humidity in May in South Wellfleet?
How much does it rain in South Wellfleet in May?
When it does not snow in South Wellfleet?
Does it snow in South Wellfleet in May?
What is the average length of the day in May in South Wellfleet?
What time are sunrise and sunset in May in South Wellfleet?
How many hours of sunshine does South Wellfleet have in May?
What is the UV index reading in May in South Wellfleet?
Average temperature in May
South Wellfleet, 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
South Wellfleet, 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
South Wellfleet, 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
South Wellfleet, 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
South Wellfleet, 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
South Wellfleet, 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
South Wellfleet, 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
South Wellfleet, 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
South Wellfleet, 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
South Wellfleet, 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
South Wellfleet, 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
South Wellfleet, 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
South Wellfleet, 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).
South Wellfleet, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location
