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 sea temperature 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
The onset of May brings a temperature shift, with the average high-temperature moving from a cool 54.1°F (12.3°C) in April to a refreshing 64°F (17.8°C). During the month of May, Fall River experiences a steady low-temperature average of 50.7°F (10.4°C).Humidity
In May, the average relative humidity in Fall River is 78%.Rainfall
In May, the rain falls for 13.7 days. Throughout May, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 135.4 rainfall days, and 18.31" (465mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Fall River aggregates 0.08" (2mm) of snow. In Fall River, during the entire year, snow falls for 21.2 days and aggregates up to 7.17" (182mm) of snow.Ocean temperature
In Fall River, in May, the average water temperature is 50.9°F (10.5°C).Note: Danger awaits those who swim in 50.9°F (10.5°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.
Daylight
In May, the average length of the day is 14h and 34min.On the first day of the month, sunrise is at 5:40 am and sunset at 7:43 pm. On the last day of May, sunrise is at 5:12 am and sunset at 8:12 pm EDT.
Sunshine
In May, the average sunshine is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Fall River in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the water temperature in May?
How many hours of daylight does Fall River have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Fall River, MA
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in May: 50.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in May
Fall River, MA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Fall River, MA
- Average wind speed in May: 8.8mph
The windiest months (with the highest average wind speed) are January, February and March (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in May
Fall River, MA
- Average humidity in May: 78%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Fall River, MA
- Average rainfall in May: 1.34"
The wettest month (with the highest rainfall) is October (1.97").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in May
Fall River, MA
- Average rainfall days in May: 13.7 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in May
Fall River, MA
- Average snowfall in May: 0.08"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Fall River, MA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in May
Fall River, MA
- Average sea temperature in May: 50.9°F
The best month for swimming (with the highest average sea temperature) is August (69.3°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).
Average daylight in May /
Average sunshine in May
Fall River, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in May
Fall River, MA
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in May
Fall River, 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 and December (UV index 2).
Average cloud cover in May
Fall River, MA
- Average cloud cover in May: 44
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Fall River, 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).
Fall River, Massachusetts, USA
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